CN106227499A - The control method of a kind of data transmission, Apparatus and system - Google Patents
The control method of a kind of data transmission, Apparatus and system Download PDFInfo
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- CN106227499A CN106227499A CN201610581753.5A CN201610581753A CN106227499A CN 106227499 A CN106227499 A CN 106227499A CN 201610581753 A CN201610581753 A CN 201610581753A CN 106227499 A CN106227499 A CN 106227499A
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- sine wave
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
Abstract
The invention provides the control method of a kind of data transmission, Apparatus and system, be reference in order to the mapping table determined according to front leading mark notebook data and the sine wave in first area in analogue signal, determine target data, thus improve the accuracy of the data of transmission.Described method includes: obtains and includes the analogue signal sinusoidal wave one to one with each binary digit in transmission data；By default rule of classification, the sine wave in first area in front leading mark notebook data and analogue signal is grouped, obtains least one set leading specimen array and gather with leading specimen array first area one to one；Gather according to leading specimen array and first area, determine for verifying in described analogue signal in second area the binary digital mapping table corresponding to each sine wave；Utilize mapping table, determine in analogue signal the binary digit corresponding to each sine wave in second area, obtain target data.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the control method of a kind of data transmission, Apparatus and system.
Background technology
The scheme of data transmission, the method generally used is: before the transmission of transmitting terminal data, first according to the conversion preset
Table, changes into one group of sinusoidal wave data being made up of first frequency and second frequency by original binary data, wherein, described pre-
If conversion table include: the mapping relations of frequency and binary data, such as, use first frequency to represent binary data " 0 ",
Second frequency is used to represent binary data " 1 ".Then, the sinusoidal wave data that conversion obtains is assembled into pulse code modulation
The voice data of (Pulse Code Modulation, PCM) form.Finally, sent the pulse being assembled into by voice-grade channel to compile
The voice data of code modulation PCM format.Recipient, by audio sound-recording mode, gets the voice data of PCM format, then will
The voice data of the PCM format got is reduced into the voice data of sine wave, determines in the voice data that reduction obtains
The frequency of each sine wave, and according to the sinusoidal wave frequency determined, determine the binary system that the frequency of this sine wave is corresponding by turn
Data, finally assemble the binary data determined.
The reception of the data transmitted by voice-grade channel depends on broadcasting and the recording of audio frequency apparatus, but, different
Hardware device be different to the adaptation effect of different frequency, particularly when adjacent frequency differs when, docking
The voice data that debit's recording obtains calculates, the sinusoidal wave frequency of the voice data obtained and original binary data
Frequency is inconsistent, thus causes data transmission fails.
Assuming that first frequency is 5kHZ, second frequency is 10kHZ, sender need send original binary data be
01010001, then the sinusoidal wave data obtained according to default translation table for 5K, 10K, 5K, 10K, 5K, 5K, 5K,
10K}, referring specifically to Fig. 1 a.If it is bad that the hardware device of recipient adapts to effect to the audio frequency that frequency is 5kHZ, it is converted to
Sinusoidal wave data may be 3K, 12K, 3K, 12K, 3K, 7K, 6K, 9K}, referring specifically to Fig. 1 b, the number of at this moment recipient's reduction
According to being 01010101, i.e. cannot restoring data, cause data transmission fails.
In sum, owing to different hardware devices is different to the adaptation effect of different frequency, the audio frequency obtained
The sinusoidal wave frequency of data is inconsistent with the frequency of original binary data, therefore by the voice data got
The frequency of middle sine wave is changed by turn, and the binary data being converted to also is different, i.e. cannot reduce initial data,
Cause data transmission fails.
Summary of the invention
Embodiments provide the control method of a kind of data transmission, Apparatus and system, in order to according to leading specimen
The mapping table that data determine with the sine wave in first area in analogue signal is reference, determines target data, thus improves
The accuracy of the data of transmission.
The control method of a kind of data transmission that the embodiment of the present invention provides, the method includes:
Obtain and include the analogue signal sinusoidal wave one to one with each binary digit in transmission data, wherein, institute
Stating transmission data is that transmitting terminal generates, and described transmission data include the leading number of samples of described transmitting terminal and receiving terminal agreement
According to this and need transmission initial data；
By default rule of classification, by first area in described front leading mark notebook data and described analogue signal just
String ripple is grouped, and obtains least one set leading specimen array and includes one to one at least with described leading specimen array
The set of one sinusoidal wave first area, wherein, described first area be in described analogue signal with described front leading mark notebook data
Corresponding region, the sine wave in the set of described first area is sine wave adjacent in described analogue signal；
Gather according to described leading specimen array and described first area, determine for verifying in described analogue signal the
Binary digital mapping table corresponding to each sine wave in two regions, wherein, described second area is described analogue signal
In region in addition to described first area；
Utilize each described leading specimen array and the mapping relations of described first area set in described mapping table, determine
In described analogue signal, binary digit corresponding to each sine wave in second area, obtains target data.
In the embodiment of the present invention, according to front leading mark notebook data and reflecting that the sine wave in first area in analogue signal determines
Firing table is reference, determines target data, thus improves the accuracy of the data of transmission.
It is preferred that in determining described analogue signal in second area binary digit corresponding to each sine wave it
Before, the method also includes:
By default rule of classification, described analogue signal is grouped, in obtaining including at least one second area
Sinusoidal wave second area set, wherein, the sine wave in described second area set is adjacent in described analogue signal
Sinusoidal wave.
It is preferred that utilize the mapping that in described mapping table, each described leading specimen array and described first area are gathered to close
System, determines in described analogue signal the binary digit corresponding to each sine wave in second area, including:
Utilize the mapping relations that in described mapping table, each described leading specimen array is gathered with described first area, according to
Described second area set, obtains the binary system array that each described second area set is corresponding；
By default judgment rule, according to the binary system array that each described second area set is corresponding, determine described
Binary digit corresponding to each sine wave in second area in analogue signal.
It is preferred that before described first area is positioned at described second area, if described default rule of classification is each collection
Close and include three adjacent sine waves, then described analogue signal is grouped, in obtaining including at least one second area
Sinusoidal wave second area set, including:
According in last sine wave, second area in penultimate sine wave, first area in first area
First sine wave, obtains the first subclass；According in last sine wave, second area in first area first just
String ripple, second sine wave, obtain the second subclass；According in second area first sine wave, second sine wave, the 3rd
Individual sine wave, obtains the 3rd subclass；The like, until obtain sinusoidal wave according to third last in second area, second
In region in penultimate sine wave, second area till last sinusoidal wave composition subclass.
It is preferred that by the judgment rule preset, according to the binary system array that each described second area set is corresponding, really
Binary digit corresponding to each sine wave in second area in fixed described analogue signal, including:
The binary system array corresponding according to binary system array corresponding to described first subclass, described second subclass and
The binary system array that described 3rd subclass is corresponding, determines in described analogue signal in second area corresponding to first sine wave
Binary digit；The like, until by the binary system corresponding to each sine wave in second area in described analogue signal
Numeral all determine complete till.
It is preferred that according to binary system array corresponding to described first subclass, binary system that described second subclass is corresponding
Array and binary system array corresponding to described 3rd subclass, determine in described analogue signal first sine in second area
Binary digit corresponding to ripple, including:
If triad the second subclass digital, described is corresponding in the binary system array that described first subclass is corresponding
Binary system array in second binary digit and binary system array corresponding to described 3rd subclass first two enter
System numeral is identical, it is determined that in described analogue signal, in second area, binary digit corresponding to first sine wave is described
The binary system array that in the binary system array that first subclass is corresponding, digital or described second subclass of triad is corresponding
First bit binary number in middle second binary digit or binary system array corresponding to described 3rd subclass；Otherwise, institute
State the binary system array that in the binary system array that the first subclass is corresponding, triad the second subclass digital, described is corresponding
In middle second binary digit and binary system array corresponding to described 3rd subclass in the first bit binary number wantonly two
Individual binary digit is identical, and in the most described analogue signal, in second area, binary digit corresponding to first sine wave is phase
Same binary digit.
It is preferred that number sinusoidal wave in each set in the rule of classification preset according to described front leading mark notebook data is true
Fixed.
It is preferred that described transmission data also include: the rear beacon notebook data that described transmitting terminal is arranged with described receiving terminal.
It is preferred that number sinusoidal wave in each set in the rule of classification preset according to described rear beacon notebook data is true
Fixed.
The control method of a kind of data transmission that the embodiment of the present invention provides, including:
The front leading mark notebook data that the initial data transmitted as required and transmitting terminal are arranged with receiving terminal, obtains transmitting number
According to；
Convert described transmission data, obtain including the most sinusoidal with each binary digit in described transmission data
The analogue signal of ripple.
In the embodiment of the present invention, according to front leading mark notebook data and reflecting that the sine wave in first area in analogue signal determines
Firing table is reference, determines target data, thus improves the accuracy of the data of transmission.
It is preferred that the front leading mark notebook data that the initial data transmitted as required and transmitting terminal are arranged with receiving terminal,
To transmitting data, including:
Before and after the initial data needing transmission, add the front leading mark notebook data of transmitting terminal and receiving terminal agreement respectively,
And the rear beacon notebook data that transmitting terminal is arranged with receiving terminal, obtain transmitting data.
The control device of a kind of data transmission that the embodiment of the present invention provides, including:
Acquisition module, includes the simulation sinusoidal wave one to one with each binary digit in transmission data for obtaining
Signal, wherein, described transmission data are that transmitting terminal generates, and described transmission data include that described transmitting terminal is arranged with receiving terminal
Front leading mark notebook data and need transmission initial data；
Grouping module, for by default rule of classification, by described front leading mark notebook data and described analogue signal
Sine wave in first area is grouped, and obtains least one set leading specimen array and with described leading specimen array one by one
The corresponding first area set including at least one sine wave, wherein, described first area be in described analogue signal with institute
Stating the region that front leading mark notebook data is corresponding, the sine wave in the set of described first area is sine adjacent in described analogue signal
Ripple；
Mapping table module, for gathering according to described leading specimen array and described first area, determines for verifying
Binary digital mapping table corresponding to each sine wave in second area in described analogue signal, wherein, described secondth district
Territory is the region in described analogue signal in addition to described first area；
Determine module, for utilizing each described leading specimen array and the set of described first area in described mapping table
Mapping relations, determine in described analogue signal the binary digit corresponding to each sine wave in second area, obtain number of targets
According to.
In the embodiment of the present invention, according to front leading mark notebook data and reflecting that the sine wave in first area in analogue signal determines
Firing table is reference, determines target data, thus improves the accuracy of the data of transmission.
Determine module it is preferred that described, be additionally operable to:
By default rule of classification, described analogue signal is grouped, in obtaining including at least one second area
Sinusoidal wave second area set, wherein, the sine wave in described second area set is adjacent in described analogue signal
Sinusoidal wave.
It is preferred that utilize the mapping that in described mapping table, each described leading specimen array and described first area are gathered to close
System, determines in described analogue signal the binary digit corresponding to each sine wave in second area, described determines module, specifically
For:
Utilize the mapping relations that in described mapping table, each described leading specimen array is gathered with described first area, according to
Described second area set, obtains the binary system array that each described second area set is corresponding；
By default judgment rule, according to the binary system array that each described second area set is corresponding, determine described
Binary digit corresponding to each sine wave in second area in analogue signal.
It is preferred that before described first area is positioned at described second area, if described default rule of classification is each collection
Close and include three adjacent sine waves, the most described determine module, specifically for:
According in last sine wave, second area in penultimate sine wave, first area in first area
First sine wave, obtains the first subclass；According in last sine wave, second area in first area first just
String ripple, second sine wave, obtain the second subclass；According in second area first sine wave, second sine wave, the 3rd
Individual sine wave, obtains the 3rd subclass；The like, until obtain sinusoidal wave according to third last in second area, second
In region in penultimate sine wave, second area till last sinusoidal wave composition subclass.
It is preferred that by the judgment rule preset, according to the binary system array that each described second area set is corresponding, really
Binary digit corresponding to each sine wave in second area in fixed described analogue signal, described determines module, specifically for:
The binary system array corresponding according to binary system array corresponding to described first subclass, described second subclass and
The binary system array that described 3rd subclass is corresponding, determines in described analogue signal in second area corresponding to first sine wave
Binary digit；The like, until by the binary system corresponding to each sine wave in second area in described analogue signal
Numeral all determine complete till.
It is preferred that according to binary system array corresponding to described first subclass, binary system that described second subclass is corresponding
Array and binary system array corresponding to described 3rd subclass, determine in described analogue signal first sine in second area
Binary digit corresponding to ripple, described determines module, specifically for:
If triad the second subclass digital, described is corresponding in the binary system array that described first subclass is corresponding
Binary system array in second binary digit and binary system array corresponding to described 3rd subclass first two enter
System numeral is identical, it is determined that in described analogue signal, in second area, binary digit corresponding to first sine wave is described
The binary system array that in the binary system array that first subclass is corresponding, digital or described second subclass of triad is corresponding
First bit binary number in middle second binary digit or binary system array corresponding to described 3rd subclass；Otherwise, institute
State the binary system array that in the binary system array that the first subclass is corresponding, triad the second subclass digital, described is corresponding
In middle second binary digit and binary system array corresponding to described 3rd subclass in the first bit binary number wantonly two
Individual binary digit is identical, and in the most described analogue signal, in second area, binary digit corresponding to first sine wave is phase
Same binary digit.
It is preferred that number sinusoidal wave in each set in the rule of classification preset according to described front leading mark notebook data is true
Fixed.
It is preferred that described transmission data also include: the rear beacon notebook data that described transmitting terminal is arranged with described receiving terminal.
It is preferred that number sinusoidal wave in each set in the rule of classification preset according to described rear beacon notebook data is true
Fixed.
The control device of a kind of data transmission that the embodiment of the present invention provides, including:
Add module, before the initial data transmitted as required and described transmitting terminal are arranged with described receiving terminal
Beacon notebook data, obtains transmitting data；
Modular converter, is used for converting described transmission data, obtains including and each binary digit in described transmission data
Analogue signal sinusoidal wave one to one.
In the embodiment of the present invention, according to front leading mark notebook data and reflecting that the sine wave in first area in analogue signal determines
Firing table is reference, determines target data, thus improves the accuracy of the data of transmission.
It is preferred that described interpolation module, specifically for:
Before and after the initial data needing transmission, add the front leading mark of described transmitting terminal and described receiving terminal agreement respectively
Notebook data, and the rear beacon notebook data that described transmitting terminal is arranged with described receiving terminal, obtain transmitting data.
The control system of a kind of data transmission that the embodiment of the present invention provides, including: transmitting terminal and receiving terminal.
In the embodiment of the present invention, according to front leading mark notebook data and reflecting that the sine wave in first area in analogue signal determines
Firing table is reference, determines target data, thus improves the accuracy of the data of transmission.
Accompanying drawing explanation
Fig. 1 a is the structural representation of the analogue signal that transmitting terminal generates in prior art；
Fig. 1 b is the structural representation of the analogue signal that receiving terminal generates in prior art；
The schematic flow sheet of the control method of a kind of data transmission that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the analogue signal that Fig. 3 provides for the embodiment of the present invention；
The schematic flow sheet of the control method of a kind of data transmission that Fig. 4 provides for the embodiment of the present invention
The schematic flow sheet of the control method of a kind of data transmission that Fig. 5 provides for the embodiment of the present invention；
The structural representation of the transmission data that the transmitting terminal that Fig. 6 a provides for the embodiment of the present invention generates；
The structural representation of the analogue signal that the transmitting terminal that Fig. 6 b provides for the embodiment of the present invention generates；
The structural representation of the analogue signal that the receiving terminal that Fig. 7 provides for the embodiment of the present invention receives；
The structural representation of a kind of mapping table that Fig. 8 a provides for the embodiment of the present invention；
The structural representation of the another kind of mapping table that Fig. 8 b provides for the embodiment of the present invention；
The structural representation controlling device of a kind of data transmission that Fig. 9 provides for the embodiment of the present invention；
The structural representation controlling device of a kind of data transmission that Figure 10 provides for the embodiment of the present invention；
The structural representation of the control system of a kind of data transmission that Figure 11 provides for the embodiment of the present invention.
Detailed description of the invention
Embodiments provide the control method of a kind of data transmission, Apparatus and system, in order to by leading specimen
The mapping table that data determine with the sine wave in first area in analogue signal is reference, determines number of targets according to analogue signal
According to, improve the accuracy of the data of transmission.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the present invention is clearly and completely retouched
State, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
See Fig. 2, embodiments provide the control method of a kind of data transmission, including:
S201, acquisition include the analogue signal sinusoidal wave one to one with each binary digit in transmission data, its
In, described transmission data are that transmitting terminal generates, and described transmission data include that described transmitting terminal is leading with what receiving terminal was arranged
Number of samples according to this and needs the initial data transmitted；
S202, by preset rule of classification, by first area in described front leading mark notebook data and described analogue signal
Interior sine wave is grouped, and obtains least one set leading specimen array and wraps one to one with described leading specimen array
Include at least one sine wave first area set, wherein, described first area be in described analogue signal with described front leading mark
The region that notebook data is corresponding, the sine wave in the set of described first area is sine wave adjacent in described analogue signal；
S203, gather according to described leading specimen array and described first area, determine for verifying described simulation letter
Binary digital mapping table corresponding to each sine wave in second area in number, wherein, described second area is described mould
Intend the region in addition to described first area in signal；
S204, the mapping of each described leading specimen array and described first area set in described mapping table is utilized to close
System, determines in described analogue signal the binary digit corresponding to each sine wave in second area, obtains target data.
Wherein, number sinusoidal wave in each set in the rule of classification preset according to described front leading mark notebook data determines
's.
Specifically, described transmission data also include: the rear beacon notebook data that described transmitting terminal is arranged with described receiving terminal.Its
In, number sinusoidal wave in each set in the rule of classification preset according to described rear beacon notebook data determines.
Wherein, during described second area is described analogue signal corresponding with described initial data and described rear beacon notebook data
Region.
Specifically, in determining described analogue signal in second area binary digit corresponding to each sine wave it
Before, the method also includes:
By default rule of classification, described analogue signal is grouped, in obtaining including at least one second area
Sinusoidal wave second area set, wherein, the sine wave in described second area set is adjacent in described analogue signal
Sinusoidal wave.
Specifically, in step S204, utilize each described leading specimen array and described first area in described mapping table
The mapping relations of set, determine in described analogue signal the binary digit corresponding to each sine wave in second area, including:
Utilize the mapping relations that in described mapping table, each described leading specimen array is gathered with described first area, according to
Described second area set, obtains the binary system array that each described second area set is corresponding；
By default judgment rule, according to the binary system array that each described second area set is corresponding, determine described
Binary digit corresponding to each sine wave in second area in analogue signal.
Specifically, before described first area is positioned at described second area, if described default rule of classification is each collection
Close and include three adjacent sine waves, then described analogue signal is grouped, in obtaining including at least one second area
Sinusoidal wave second area set, including:
According in last sine wave, second area in penultimate sine wave, first area in first area
First sine wave, obtains the first subclass；According in last sine wave, second area in first area first just
String ripple, second sine wave, obtain the second subclass；According in second area first sine wave, second sine wave, the 3rd
Individual sine wave, obtains the 3rd subclass；The like, until obtain sinusoidal wave according to third last in second area, second
In region in penultimate sine wave, second area till last sinusoidal wave composition subclass.
Specifically, by default judgment rule, according to the binary system array that each described second area set is corresponding, really
Binary digit corresponding to each sine wave in second area in fixed described analogue signal, including:
The binary system array corresponding according to binary system array corresponding to described first subclass, described second subclass and
The binary system array that described 3rd subclass is corresponding, determines in described analogue signal in second area corresponding to first sine wave
Binary digit；The like, until by the binary system corresponding to each sine wave in second area in described analogue signal
Numeral all determine complete till.
Specifically, described default judgment rule is: if in binary system array corresponding to described first subclass the 3rd
Second binary digit and described 3rd subclass in the binary system array that binary digit, described second subclass are corresponding
In corresponding binary system array, the first bit binary number is identical, it is determined that in described analogue signal, in second area, first just
Binary digit corresponding to string ripple is triad numeral or institute in the binary system array that described first subclass is corresponding
State second binary digit in the binary system array that the second subclass is corresponding or binary number corresponding to described 3rd subclass
First bit binary number in group；Otherwise, triad numeral, institute in the binary system array that described first subclass is corresponding
State second binary digit in the binary system array that the second subclass is corresponding and binary system corresponding to described 3rd subclass
In array, in the first bit binary number, any two binary digits are identical, in the most described analogue signal in second area first
Binary digit corresponding to sine wave is identical binary digit.
Wherein, for ensureing the accuracy of the described target data determined, described analogue signal also includes: with described transmission
What end was arranged is positioned at the sine wave that described initial data rear beacon notebook data below is corresponding.See Fig. 3, the embodiment of the present invention
The structural representation of middle analogue signal, wherein, described first area is 301, and described second area is 302.
Wherein, described front leading mark notebook data, described target data and described rear beacon notebook data are binary data；
Number sinusoidal wave in each set in the rule of classification preset according to described front leading mark notebook data determines.Tool
Body ground, the number of described front leading mark notebook data is according to formula one, according to sinusoidal wave in set each in default rule of classification
Number determine；
Sf=2n+ (n-1) formula one
Wherein, SfNumber for front leading mark notebook data；N is in default rule of classification in each set sinusoidal wave
Number.
Wherein, number sinusoidal wave in each set in the rule of classification preset according to described rear beacon notebook data determines
's.Specifically, the number of described rear beacon notebook data is according to formula two, according in set each in default rule of classification just
The number of string ripple is definitely；
Sb=m-1 formula two
Wherein, SbNumber for rear beacon notebook data；M is in default rule of classification in each set sinusoidal wave
Number.
See Fig. 4, embodiments provide the control method of a kind of data transmission, including:
S401, the initial data transmitted as required and transmitting terminal and the front leading mark notebook data of receiving terminal agreement, obtain
Transmission data；
S402, convert described transmission data, obtain including and each binary digit one_to_one corresponding in described transmission data
Sinusoidal wave analogue signal.
Wherein, step S401, including:
Before and after the initial data needing transmission, add the front leading mark notebook data of transmitting terminal and receiving terminal agreement respectively,
And the rear beacon notebook data that transmitting terminal is arranged with receiving terminal, obtain transmitting data.
Wherein, described initial data, described front leading mark notebook data and described rear beacon notebook data are binary data.
For ease of understanding, further the solution of the present invention will be entered by the flow chart shown in Fig. 5 and embodiment below
Row is explained.
When default rule of classification be each set include three adjacent sinusoidal wave time, front leading mark notebook data includes ten
Bit binary number, rear beacon notebook data includes two bit binary data；See Fig. 6 a, if front leading mark notebook data includes ten
Binary digit, then front leading mark notebook data 601 is 0100011101；After assuming, beacon notebook data 602 is 11, initial data 603
Being 01010001, therefore, the initial data that with the addition of front leading mark notebook data and rear beacon notebook data is
01000111010101000111, the analogue signal that the described initial data that with the addition of rear beacon notebook data is converted to can be joined
Seeing Fig. 6 b, wherein, binary digit " 0 " respective frequencies is the sine wave of 5000 hertz, and binary digit " 1 " respective frequencies is
The sine wave of 10000 hertz.Described transmitting terminal to described receiving terminal send shown in Fig. 6 b by the sine wave of at least two frequency
The analogue signal of composition.Wherein, described transmission mode is for be transmitted above-mentioned analogue signal by voice-grade channel, wherein, also
Can be by putting outward this analogue signal of device plays.
S501, due to receiving terminal different to the adaptability of different frequency from transmitting terminal, described receiving terminal is obtained by recording
Include that the analogue signal sinusoidal wave one to one with each binary digit in transmission data can be found in Fig. 7；
S502, basis and the front leading mark notebook data of transmitting terminal agreement, extract in first area from the analogue signal obtained
Ten sine waves；
S503, according to number sinusoidal wave in each set in the rule of classification preset, by described front leading mark notebook data with
And in described analogue signal, the sine wave in first area is grouped, and obtains least one set leading specimen array and with described
Leading specimen array includes the first area set of at least one sine wave one to one, owing to default rule of classification is every
One set includes three sine waves, and therefore, first area set includes: the first leading sinusoidal wave set, the second leading sine
Ripple set, the 3rd leading sinusoidal wave set, the 4th leading sinusoidal wave set, the 5th leading sinusoidal wave set, the 6th leading sine
Ripple set, the 7th leading sinusoidal wave set, the 8th leading sinusoidal wave set, wherein, first sine wave in first area, second
Individual sine wave, the 3rd the leading sinusoidal wave set of sinusoidal wave composition first；Second sine wave, the 3rd sine in first area
Ripple, the 4th the leading sinusoidal wave set of sinusoidal wave composition second；The like, until obtaining the 8th leading sinusoidal wave set.
S504, basis preset number sinusoidal wave in each set in rule of classification, are carried out by described front leading mark notebook data
Packet, is divided into the leading specimen array corresponding with the set of described first area, wherein, often before group by described front leading mark notebook data
This array of beacon includes three adjacent binary digits.
S505, gather according to described leading specimen array and described first area, determine for verifying described simulation letter
Binary digital mapping table corresponding to each sine wave in second area in number, as shown in Figure 8 a.Wherein, according in Fig. 8 a
Front leading mark notebook data row understand, and eight groups of leading specimen arrays include the triad all of combined situation of numeral.
S506, basis preset number sinusoidal wave in each set in rule of classification, by the secondth district in described analogue signal
Sine wave in territory is grouped, owing to default rule of classification is that each sinusoidal wave set includes three sine waves, therefore, root
According to first sine in last sine wave, second area in penultimate sine wave, first area in first area
Ripple, obtains the first subclass；According to first sine wave in sinusoidal wave, second area last in first area, second
Individual sine wave, obtains the second subclass；According in second area first sine wave, second sine wave, the 3rd sine wave,
Obtain the 3rd subclass；The like, until obtaining the tenth subclass.
S507, utilize each described leading specimen array and reflecting that described first area is gathered in the mapping table described in Fig. 8 a
Penetrate relation, according to described second area set, obtain the binary system array that each described second area set is corresponding；Such as first
The binary system array that subclass is corresponding is " 010 ", and the binary system array that the 3rd subclass is corresponding is " 010 ", due in Fig. 8 a institute
The mapping table shown there is no the binary system array that the second subclass is corresponding, the sine wave in the second subclass is sentenced one by one
Disconnected, show that the binary system array that the second subclass is corresponding is " 101 ".
If triad the second subset digital, described in the binary system array that described first subclass of S508 is corresponding
Close in second binary digit in corresponding binary system array and binary system array corresponding to described 3rd subclass first
Bit binary number is identical, it is determined that binary digit corresponding to first sine wave in second area in described analogue signal
Two enter in the binary system array that described first subclass is corresponding, digital or described second subclass of triad is corresponding
First bit binary number in second binary digit or binary system array corresponding to described 3rd subclass in array processed；No
Then, two that in the binary system array that described first subclass is corresponding, triad the second subclass digital, described is corresponding enter
First bit binary number in second binary digit and binary system array corresponding to described 3rd subclass in array processed
In any two binary digits identical, binary number corresponding to first sine wave in second area in the most described analogue signal
Word is identical binary digit.The like, until by corresponding to each sine wave in second area in described analogue signal
Binary digit all determine complete, i.e. determine target data.
Such as, according to step S507, the binary system array that the first subclass is corresponding is " 010 ", the second subclass pair
The binary system array answered is " 101 ", and the binary system array that the 3rd subclass is corresponding is " 010 "；Corresponding by the first subclass
In in binary system array, triad numeral can determine that described second area, first binary digit is " 0 ", by
First binary number in second binary digit can determine that described second area in the binary system array that two subclass are corresponding
Word is " 0 ", in can determine that described second area by the first bit binary number in the binary system array that the 3rd subclass is corresponding
First binary digit is " 0 ".Thus can determine that, in described second area, first binary digit is " 0 ", namely mesh
First binary digit of mark data is " 0 ".If it is assumed that binary system array corresponding to the first subclass is " 010 ", the second son
The binary system array of set correspondence is " 101 ", and the binary system array that the 3rd subclass is corresponding is " 110 "；By the first subclass
In in corresponding binary system array, triad numeral can determine that described second area, first binary digit is " 0 ",
First two is can determine that in described second area by second binary digit in the binary system array that the second subclass is corresponding
Binary digits is " 0 ", can determine that described second by the first bit binary number in the binary system array that the 3rd subclass is corresponding
In region, first binary digit is " 1 ".Wherein, binary digit is that the situation of " 1 " occurs in that once, and binary digit is
The situation of " 0 " occurs in that twice, and now, in determining described second area, first binary digit is in " 0 ", i.e. target data
First binary digit is " 0 ".
Wherein, after step S501, before step S502, the method also includes:
The analogue signal of acquisition is converted in this analogue signal the set of the frequency of sine wave, the such as mould shown in Fig. 7
The frequency sets that plan signal is converted into is { 3000 hertz, 12000 hertz, 3000 hertz, 7000 hertz, 6000 hertz, 9000 hertz
Hereby, 12000 hertz, 13000 hertz, 3000 hertz, 12000 hertz, 3000 hertz, 12000 hertz, 3000 hertz, 12000 hertz
Hereby, 3000 hertz, 7000 hertz, 6000 hertz, 9000 hertz, 12000 hertz, 13000 hertz }.
Now, in step S503, first area set can also include, the sine wave in the first leading sinusoidal wave set
Sinusoidal wave frequency in frequency, the second leading sinusoidal wave set, the sinusoidal wave frequency in the 3rd leading sinusoidal wave set, the
Sinusoidal wave frequency in four leading sinusoidal wave set, the sinusoidal wave frequency in the 5th leading sinusoidal wave set, the 6th leading
Sinusoidal wave frequency in sinusoidal wave set, the sinusoidal wave frequency in the 7th leading sinusoidal wave set, the 8th leading sine wave
Sinusoidal wave frequency in set.Now, the mapping table in step S505 can be Fig. 8 b.
Now, step S507 utilizes each described leading specimen array and described firstth district in the mapping table described in Fig. 8 b
The mapping relations of territory set, according to described second area set, obtain the binary number that each described second area set is corresponding
Group；The binary system array that such as first subclass { 3000 hertz, 12000 hertz, 3000 hertz } is corresponding is " 010 ", the 3rd son
The binary system array of set { 3000 hertz, 12000 hertz, 3000 hertz } correspondence is " 010 ", due to the second subclass { 12000
Hertz, 3000 hertz, 12000 hertz there is no in the mapping table shown in Fig. 8 b correspondence binary system array, therefore use existing
Sine wave in second subclass is judged by technology, show that the binary system array that the second subclass is corresponding is " 101 ".
Wherein, also can first carry out step S504, then perform step S503.
See Fig. 9, embodiments provide the control device of a kind of data transmission, including:
Acquisition module 901, includes and each binary digit sine wave one to one in transmission data for obtaining
Analogue signal, wherein, described transmission data are that transmitting terminal generates, and described transmission data include described transmitting terminal and receiving terminal
The front leading mark notebook data of agreement and the initial data of needs transmission；
Grouping module 902, for by default rule of classification, by described front leading mark notebook data and described analogue signal
Sine wave in middle first area is grouped, obtain least one set leading specimen array and with described leading specimen array one
One correspondence include at least one sine wave first area set, wherein, described first area be in described analogue signal with
The region that described front leading mark notebook data is corresponding, described first area set in sine wave be in described analogue signal adjacent just
String ripple；
Mapping table module 903, for gathering according to described leading specimen array and described first area, determines for school
Test in described analogue signal the binary digital mapping table corresponding to each sine wave in second area, wherein, described second
Region is the region in described analogue signal in addition to described first area；
Determine module 904, be used for utilizing each described leading specimen array and described first area collection in described mapping table
The mapping relations closed, determine in described analogue signal the binary digit corresponding to each sine wave in second area, obtain mesh
Mark data.
Specifically, described determine module 904, be additionally operable to:
By default rule of classification, described analogue signal is grouped, in obtaining including at least one second area
Sinusoidal wave second area set, wherein, the sine wave in described second area set is adjacent in described analogue signal
Sinusoidal wave.
Specifically, the mapping that in described mapping table, each described leading specimen array and described first area are gathered is utilized to close
System, determines in described analogue signal the binary digit corresponding to each sine wave in second area, described determines module 904,
Specifically for:
Utilize the mapping relations that in described mapping table, each described leading specimen array is gathered with described first area, according to
Described second area set, obtains the binary system array that each described second area set is corresponding；
By default judgment rule, according to the binary system array that each described second area set is corresponding, determine described
Binary digit corresponding to each sine wave in second area in analogue signal.
Specifically, before described first area is positioned at described second area, if described default rule of classification is each collection
Close and include three adjacent sine waves, the most described determine module 904, specifically for:
According in last sine wave, second area in penultimate sine wave, first area in first area
First sine wave, obtains the first subclass；According in last sine wave, second area in first area first just
String ripple, second sine wave, obtain the second subclass；According in second area first sine wave, second sine wave, the 3rd
Individual sine wave, obtains the 3rd subclass；The like, until obtain sinusoidal wave according to third last in second area, second
In region in penultimate sine wave, second area till last sinusoidal wave composition subclass.
Specifically, by default judgment rule, according to the binary system array that each described second area set is corresponding, really
Binary digit corresponding to each sine wave in second area in fixed described analogue signal, described determines module 904, specifically uses
In:
The binary system array corresponding according to binary system array corresponding to described first subclass, described second subclass and
The binary system array that described 3rd subclass is corresponding, determines in described analogue signal in second area corresponding to first sine wave
Binary digit；The like, until by the binary system corresponding to each sine wave in second area in described analogue signal
Numeral all determine complete till.
Specifically, according to binary system array corresponding to described first subclass, binary system that described second subclass is corresponding
Array and binary system array corresponding to described 3rd subclass, determine in described analogue signal first sine in second area
Binary digit corresponding to ripple, described determines module 904, specifically for:
If triad the second subclass digital, described is corresponding in the binary system array that described first subclass is corresponding
Binary system array in second binary digit and binary system array corresponding to described 3rd subclass first two enter
System numeral is identical, it is determined that in described analogue signal, in second area, binary digit corresponding to first sine wave is described
The binary system array that in the binary system array that first subclass is corresponding, digital or described second subclass of triad is corresponding
First bit binary number in middle second binary digit or binary system array corresponding to described 3rd subclass；Otherwise, institute
State the binary system array that in the binary system array that the first subclass is corresponding, triad the second subclass digital, described is corresponding
In middle second binary digit and binary system array corresponding to described 3rd subclass in the first bit binary number wantonly two
Individual binary digit is identical, and in the most described analogue signal, in second area, binary digit corresponding to first sine wave is phase
Same binary digit.
Specifically, number sinusoidal wave in each set in the rule of classification preset according to described front leading mark notebook data is true
Fixed.
Specifically, described transmission data also include: the rear beacon notebook data that described transmitting terminal is arranged with described receiving terminal.
Specifically, number sinusoidal wave in each set in the rule of classification preset according to described rear beacon notebook data is true
Fixed.
See Figure 10, embodiments provide the control device of a kind of data transmission, including:
Add module 1001, arrange with described receiving terminal for the initial data transmitted as required and described transmitting terminal
Front leading mark notebook data, obtain transmit data；
Modular converter 1002, is used for converting described transmission data, obtains including and each binary system in described transmission data
The analogue signal that numeral is sinusoidal wave one to one.
Specifically, described interpolation module 1001, specifically for:
Before and after the initial data needing transmission, add the front leading mark of described transmitting terminal and described receiving terminal agreement respectively
Notebook data, and the rear beacon notebook data that described transmitting terminal is arranged with described receiving terminal, obtain transmitting data.
See Figure 11, embodiments provide the control system of a kind of data transmission, including: transmitting terminal 1101 and
Receiving terminal 1102；Wherein, described receiving terminal 1102 includes acquisition module 901, grouping module 902, mapping table module 903, determines
Module 904, described transmitting terminal 1101 includes adding module 1001, modular converter 1002.
In sum, the control method of a kind of data transmission, Apparatus and system are embodiments provided, in order to basis
The mapping table that front leading mark notebook data determines with the sine wave in first area in analogue signal is reference, determines target data,
Thus improve the accuracy of the data of transmission.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of the present invention can use complete hardware embodiment, complete software implementation or combine software and hardware
Execute the form of example.And, the present invention can use at one or more computers wherein including computer usable program code
The shape of the upper computer program implemented of usable storage medium (including but not limited to disk memory and optical memory etc.)
Formula.
The present invention is with reference to method, equipment (system) and the flow process of computer program according to embodiments of the present invention
Figure and/or block diagram describe.It should be understood that can the most first-class by computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
Instruction arrives the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce
A raw machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for real
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame now.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (23)
1. the control method of a data transmission, it is characterised in that including:
Obtain and include the analogue signal sinusoidal wave one to one with each binary digit in transmission data, wherein, described biography
Transmission of data is that transmitting terminal generates, and described transmission data include the front leading mark notebook data of described transmitting terminal and receiving terminal agreement with
And need the initial data of transmission；
By default rule of classification, by the sine wave in first area in described front leading mark notebook data and described analogue signal
Be grouped, obtain least one set leading specimen array and with described leading specimen array first area collection one to one
Closing, wherein, described first area is region corresponding with described front leading mark notebook data in described analogue signal, described first area
Sine wave in set is sine wave adjacent in described analogue signal；
Gather according to described leading specimen array and described first area, determine for verifying the secondth district in described analogue signal
Binary digital mapping table corresponding to each sine wave in territory, wherein, described second area is to remove in described analogue signal
Region beyond described first area；
Utilize each described leading specimen array and the mapping relations of described first area set in described mapping table, determine described
In analogue signal, binary digit corresponding to each sine wave in second area, obtains target data.
Method the most according to claim 1, it is characterised in that in determining described analogue signal in second area each just
Before binary digit corresponding to string ripple, the method also includes:
By default rule of classification, described analogue signal is grouped, just obtains including at least one second area
The second area set of string ripple, wherein, the sine wave in described second area set is sine adjacent in described analogue signal
Ripple.
Method the most according to claim 2, it is characterised in that utilize each described leading specimen array in described mapping table
The mapping relations gathered with described first area, determine in described analogue signal two in second area corresponding to each sine wave
Binary digits, including:
Utilize the mapping relations that in described mapping table, each described leading specimen array is gathered with described first area, according to described
Second area set, obtains the binary system array that each described second area set is corresponding；
By default judgment rule, according to the binary system array that each described second area set is corresponding, determine described simulation
Binary digit corresponding to each sine wave in second area in signal.
Method the most according to claim 3, it is characterised in that before described first area is positioned at described second area, if
Described default rule of classification is that each set includes three adjacent sine waves, then described analogue signal be grouped,
To the sinusoidal wave second area set included at least one second area, including:
According in last sine wave, second area in penultimate sine wave, first area in first area first
Individual sine wave, obtains the first subclass；According to first sine in last sine wave, second area in first area
Ripple, second sine wave, obtain the second subclass；According in second area first sine wave, second sine wave, the 3rd
Sine wave, obtains the 3rd subclass；The like, until obtaining, secondth district sinusoidal wave according to third last in second area
In territory in penultimate sine wave, second area till last sinusoidal wave composition subclass.
Method the most according to claim 4, it is characterised in that by default judgment rule, according to each described second
The binary system array that regional ensemble is corresponding, determines in described analogue signal the binary system corresponding to each sine wave in second area
Numeral, including:
The binary system array corresponding according to binary system array corresponding to described first subclass, described second subclass and described
The binary system array that 3rd subclass is corresponding, determines in described analogue signal two in second area corresponding to first sine wave
Binary digits；The like, until by the binary digit corresponding to each sine wave in second area in described analogue signal
All determine complete till.
Method the most according to claim 5, it is characterised in that according to binary system array corresponding to described first subclass,
Binary system array that described second subclass is corresponding and binary system array corresponding to described 3rd subclass, determine described simulation
Binary digit corresponding to first sine wave in second area in signal, including:
If in the binary system array that described first subclass is corresponding, triad the second subclass digital, described is corresponding two
First bit in second binary digit and binary system array corresponding to described 3rd subclass in system array
Word is identical, it is determined that in described analogue signal, in second area, binary digit corresponding to first sine wave is described first
In the binary system array that in the binary system array that subclass is corresponding, digital or described second subclass of triad is corresponding
First bit binary number in dibit word or binary system array corresponding to described 3rd subclass；Otherwise, described
In the binary system array that in the binary system array that one subclass is corresponding, triad the second subclass digital, described is corresponding
In dibit word and binary system array corresponding to described 3rd subclass in the first bit binary number any two two
Binary digits is identical, and in the most described analogue signal, in second area, binary digit corresponding to first sine wave is identical
Binary digit.
Method the most according to claim 1, it is characterised in that the rule of classification preset according to described front leading mark notebook data
In number sinusoidal wave in each set determine.
Method the most according to claim 1, it is characterised in that described transmission data also include: described transmitting terminal is with described
The rear beacon notebook data of receiving terminal agreement.
Method the most according to claim 8, it is characterised in that the rule of classification preset according to described rear beacon notebook data
In number sinusoidal wave in each set determine.
10. the control method of a data transmission, it is characterised in that including:
The front leading mark notebook data that the initial data transmitted as required and transmitting terminal are arranged with receiving terminal, obtains transmitting data；
Convert described transmission data, obtain including and the sine wave one to one of each binary digit in described transmission data
Analogue signal.
11. methods according to claim 10, it is characterised in that the initial data transmitted as required and transmitting terminal with
The front leading mark notebook data of receiving terminal agreement, obtains transmitting data, including:
Before and after the initial data needing transmission, add the front leading mark notebook data of transmitting terminal and receiving terminal agreement respectively, and
Transmitting terminal and the rear beacon notebook data of receiving terminal agreement, obtain transmitting data.
The control device of 12. 1 kinds of data transmission, it is characterised in that including:
Acquisition module, includes the simulation letter sinusoidal wave one to one with each binary digit in transmission data for obtaining
Number, wherein, described transmission data are that transmitting terminal generates, and described transmission data include described transmitting terminal and receiving terminal agreement
Front leading mark notebook data and the initial data of needs transmission；
Grouping module, for by default rule of classification, by described front leading mark notebook data and described analogue signal first
Sine wave in region is grouped, obtain least one set leading specimen array and with described leading specimen array one_to_one corresponding
First area set, wherein, described first area is region corresponding with described front leading mark notebook data in described analogue signal,
Sine wave in the set of described first area is sine wave adjacent in described analogue signal；
Mapping table module, for gathering according to described leading specimen array and described first area, determines for verifying described
Binary digital mapping table corresponding to each sine wave in second area in analogue signal, wherein, described second area is
Region in addition to described first area in described analogue signal；
Determine module, for utilizing the mapping that in described mapping table, each described leading specimen array is gathered with described first area
Relation, determines in described analogue signal the binary digit corresponding to each sine wave in second area, obtains target data.
13. devices according to claim 12, it is characterised in that described determine module, are additionally operable to:
By default rule of classification, described analogue signal is grouped, just obtains including at least one second area
The second area set of string ripple, wherein, the sine wave in described second area set is sine adjacent in described analogue signal
Ripple.
14. devices according to claim 13, it is characterised in that utilize each described leading number of samples in described mapping table
The mapping relations of group and the set of described first area, determine in described analogue signal in second area corresponding to each sine wave
Binary digit, described determines module, specifically for:
Utilize the mapping relations that in described mapping table, each described leading specimen array is gathered with described first area, according to described
Second area set, obtains the binary system array that each described second area set is corresponding；
By default judgment rule, according to the binary system array that each described second area set is corresponding, determine described simulation
Binary digit corresponding to each sine wave in second area in signal.
15. device according to claim 14, it is characterised in that before described first area is positioned at described second area,
Include three adjacent sine waves if described default rule of classification is each set, the most described determine module, specifically for:
According in last sine wave, second area in penultimate sine wave, first area in first area first
Individual sine wave, obtains the first subclass；According to first sine in last sine wave, second area in first area
Ripple, second sine wave, obtain the second subclass；According in second area first sine wave, second sine wave, the 3rd
Sine wave, obtains the 3rd subclass；The like, until obtaining, secondth district sinusoidal wave according to third last in second area
In territory in penultimate sine wave, second area till last sinusoidal wave composition subclass.
16. device according to claim 15, it is characterised in that by default judgment rule, according to each described
The binary system array that two regional ensembles are corresponding, determines in described analogue signal in second area that two corresponding to each sine wave enter
System numeral, described determines module, specifically for:
The binary system array corresponding according to binary system array corresponding to described first subclass, described second subclass and described
The binary system array that 3rd subclass is corresponding, determines in described analogue signal two in second area corresponding to first sine wave
Binary digits；The like, until by the binary digit corresponding to each sine wave in second area in described analogue signal
All determine complete till.
17. devices according to claim 16, it is characterised in that according to the binary number that described first subclass is corresponding
Binary system array that group, described second subclass are corresponding and binary system array corresponding to described 3rd subclass, determine described
Binary digit corresponding to first sine wave in second area in analogue signal, described determines module, specifically for:
If in the binary system array that described first subclass is corresponding, triad the second subclass digital, described is corresponding two
First bit in second binary digit and binary system array corresponding to described 3rd subclass in system array
Word is identical, it is determined that in described analogue signal, in second area, binary digit corresponding to first sine wave is described first
In the binary system array that in the binary system array that subclass is corresponding, digital or described second subclass of triad is corresponding
First bit binary number in dibit word or binary system array corresponding to described 3rd subclass；Otherwise, described
In the binary system array that in the binary system array that one subclass is corresponding, triad the second subclass digital, described is corresponding
In dibit word and binary system array corresponding to described 3rd subclass in the first bit binary number any two two
Binary digits is identical, and in the most described analogue signal, in second area, binary digit corresponding to first sine wave is identical
Binary digit.
18. devices according to claim 12, it is characterised in that the packet rule preset according to described front leading mark notebook data
Number sinusoidal wave in each set in then determines.
19. devices according to claim 12, it is characterised in that described transmission data also include: described transmitting terminal and institute
State the rear beacon notebook data of receiving terminal agreement.
20. device according to claim 19, it is characterised in that the packet rule preset according to described rear beacon notebook data
Number sinusoidal wave in each set in then determines.
The control device of 21. 1 kinds of data transmission, it is characterised in that including:
Add module, the front leading mark arranged for the initial data transmitted as required and described transmitting terminal with described receiving terminal
Notebook data, obtains transmitting data；
Modular converter, is used for converting described transmission data, obtains including with each binary digit in described transmission data one by one
Corresponding sinusoidal wave analogue signal.
22. devices according to claim 21, it is characterised in that described interpolation module, specifically for:
Before and after the initial data needing transmission, add the leading number of samples of described transmitting terminal and described receiving terminal agreement respectively
According to, and the rear beacon notebook data that described transmitting terminal is arranged with described receiving terminal, obtain transmitting data.
The control system of 23. 1 kinds of data transmission, it is characterised in that including: transmitting terminal and receiving terminal；Wherein, described reception
Holding the control device transmitted for the data described in any one of claim 12-20, described transmitting terminal is described in claim 21,22
Data transmission control device.
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| US6539063B1 (en) * | 1999-02-18 | 2003-03-25 | Ibiquity Digital Corporation | System and method for recovering symbol timing offset and carrier frequency error in an OFDM digital audio broadcast system |
| CN103414819A (en) * | 2013-07-02 | 2013-11-27 | 长城信息产业股份有限公司 | Data communication method of audio interface of mobile intelligent device |
| CN103856314A (en) * | 2014-02-27 | 2014-06-11 | 深圳市文鼎创数据科技有限公司 | Audio communication self-adaption baud rate method and device and USB key |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6539063B1 (en) * | 1999-02-18 | 2003-03-25 | Ibiquity Digital Corporation | System and method for recovering symbol timing offset and carrier frequency error in an OFDM digital audio broadcast system |
| CN103414819A (en) * | 2013-07-02 | 2013-11-27 | 长城信息产业股份有限公司 | Data communication method of audio interface of mobile intelligent device |
| CN103856314A (en) * | 2014-02-27 | 2014-06-11 | 深圳市文鼎创数据科技有限公司 | Audio communication self-adaption baud rate method and device and USB key |
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