CN104702541B - A kind of data processing method, control equipment, filter apparatus and filtering system - Google Patents
A kind of data processing method, control equipment, filter apparatus and filtering system Download PDFInfo
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- CN104702541B CN104702541B CN201510125309.8A CN201510125309A CN104702541B CN 104702541 B CN104702541 B CN 104702541B CN 201510125309 A CN201510125309 A CN 201510125309A CN 104702541 B CN104702541 B CN 104702541B
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Abstract
The embodiment of the invention discloses a kind of data processing methods, for solving bandwidth varying signal filtering problem.The method comprise the steps that control equipment receives service signal；Control equipment determines the corresponding bandwidth demand of service signal；It controls equipment and first object frequency and the second target frequency is determined according to bandwidth；It controls equipment and adjusts oscillator frequency, so that the first mixing frequencies and the second mixing frequencies of filter apparatus match respectively at first object frequency and the second target frequency；Filter apparatus is filtered service signal to obtain echo signal according to the first mixing frequencies and the second mixing product.The embodiment of the present invention can adjust oscillator frequency according to the bandwidth demand of service signal to which dynamic changes mixing frequencies, realize that the filtering to different bandwidth signal simplifies circuit without multichannel filtering circuit, improve system performance.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of data processing method, control equipment, filter apparatus and filtering
System.
Background technique
In broadband communications technologies, need to meet different rate requirements according to business demand adjustment carrier frequency bandwidth, than
Under enhanced data rates for GSM evolution TEDS mode, carrier bandwidths have 25KHz, 50KHz, 100KHz, 150KHz.And our uplink receivings
Link hardware filter can only be realized according to maximum carrier bandwidths, in this way under low bandwidth carrier mode, will cause system neighbour
Road anti-interference, blocking performance degradation, Dynamic Range are unable to satisfy requirement.
A kind of existing filtering method for handling bandwidth varying signal is switched using variable connector, and there is different bandwidth on every road
Filter realize filtering to different bandwidth signal.
But by the way of variable connector switching, when there is multichannel carrier bandwidth, filter circuit is excessively complicated, meanwhile,
In narrow band signal filter circuit, narrow band signal is needed using narrow band filter, but since filtering bandwidth is narrower, filter
Performance be more difficult to carry out, therefore, system performance may be reduced using narrow band filter.
Summary of the invention
The embodiment of the invention provides a kind of data processing methods, for solving bandwidth varying signal filtering problem.
In view of this, first aspect present invention provides a kind of data processing method, comprising:
It controls equipment and receives service signal；
The control equipment determines the corresponding bandwidth demand of the service signal；
The control equipment calculates first object frequency and the second target frequency according to the bandwidth demand；
The control equipment adjusts oscillator frequency, so that the first mixing frequencies of filter apparatus and the second mixing frequency
Rate matches respectively at the first object frequency and second target frequency；
The filter apparatus according to first mixing frequencies and second mixing frequencies to the service signal into
Row filtering processing obtains echo signal.
Optionally:
The filter apparatus according to first mixing frequencies and second mixing frequencies to the service signal into
Row filtering processing obtains echo signal and includes:
The filter apparatus is mixed the service signal using first mixing frequencies to obtain the first mixing letter
Number；
The filter apparatus is filtered to obtain the first filtering signal to first mixed frequency signal；
It is mixed that the filter apparatus using second mixing frequencies is mixed to obtain second to first filtering signal
Frequency signal；
The filter apparatus is filtered to obtain echo signal to second mixed frequency signal.
Optionally:
The filter apparatus is mixed the service signal using the first mixing frequencies to obtain the first mixed frequency signal tool
Body are as follows:
First mixing frequencies and the service signal are overlapped to obtain the first mixed frequency signal by the filter apparatus；
Or,
The filter apparatus is subtracted each other the service signal and first mixing frequencies to obtain the first mixed frequency signal.
Optionally:
The filter apparatus is mixed first filtering signal using the second mixing frequencies to obtain the second mixing letter
Number specifically:
The filter apparatus is overlapped second mixing frequencies and first filtering signal to obtain second and be mixed
Signal；
Or,
The filter apparatus is subtracted each other the first filtering signal and second mixing frequencies to obtain the second mixed frequency signal.
Optionally:
The control equipment calculates first object frequency and the second target frequency according to the bandwidth demand specifically:
The control equipment calculates described first according to the centre frequency of the bandwidth demand and the filter apparatus
Target frequency and second target frequency.
Second aspect of the present invention provides a kind of control equipment, comprising:
Receiving module, for receiving service signal；
Determining module, for determining the corresponding bandwidth demand of the received service signal of the receiving module；
Computing module, for according to the determining module determine the bandwidth demand calculate first object frequency and
Second target frequency；
Module is adjusted, for adjusting oscillator frequency, so that the first mixing frequencies of filter apparatus and the second mixing
Frequency matches respectively at the first object frequency and second target frequency.
Optionally:
The computing module is specifically used for being calculated according to the centre frequency of the bandwidth demand and filter apparatus described
First object frequency and second target frequency.
Third aspect present invention provides a kind of control equipment, comprising:
Input unit, for receiving service signal；
Processor, the corresponding bandwidth demand of the service signal received for determining the input unit；According to institute
It states bandwidth demand and calculates first object frequency and the second target frequency；And oscillator frequency is adjusted, so that filter apparatus
The first mixing frequencies and the second mixing frequencies respectively at the first object frequency and the second target frequency phase
Match.
Fourth aspect present invention provides a kind of filter apparatus, comprising:
First frequency mixer, first filter, the second frequency mixer, second filter；
The output end of first frequency mixer is connected with the input terminal of the first filter；
The output end of the first filter is connected with the input terminal of second frequency mixer；
The output end of second frequency mixer is connected with the input terminal of the second filter.
Fifth aspect present invention provides a kind of filtering system, comprising:
Equipment is controlled, for receiving service signal；Determine the corresponding bandwidth demand of the service signal；According to the bandwidth
Demand calculates first object frequency and the second target frequency；Oscillator frequency is adjusted, so that the first of filter apparatus is mixed
Frequent rate and the second mixing frequencies match with the first object frequency and second target frequency.
Filter apparatus, for according to first mixing frequencies and second mixing frequencies to the service signal into
Row filtering processing.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that control equipment can be according to business
The bandwidth demand of signal determines first object frequency and the second target frequency, makes filter apparatus by adjusting oscillator frequency
The first mixing frequencies and the second mixing frequencies match respectively with first object frequency and the second target frequency, filtering is set
It is standby that service signal is filtered using first mixing frequencies and the second mixing frequencies, since control equipment can be according to business
The bandwidth demand of signal changes the mixing frequencies of filter apparatus by adjusting oscillator frequency dynamic, thus can be to bandwidth varying
Signal is filtered two and does not need to simplify filter circuit using multichannel filtering circuit, meanwhile, for narrow band signal filter circuit
In, narrow band filter can not be used, the system performance of narrow band signal filter circuit is improved.
Detailed description of the invention
Fig. 1 is one embodiment flow chart of data processing method in the embodiment of the present invention；
Fig. 2 is another embodiment flow chart of data processing method in the embodiment of the present invention；
Fig. 3 is one embodiment schematic diagram that equipment is controlled in the embodiment of the present invention；
Fig. 4 is one embodiment schematic diagram that equipment is controlled in the embodiment of the present invention；
Fig. 5 is one embodiment schematic diagram of filter apparatus in the embodiment of the present invention；
Fig. 6 is one embodiment schematic diagram of filtering system in the embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of data processing methods, for solving bandwidth varying signal filtering problem.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
Referring to Fig. 1, one embodiment of data processing method includes: in the embodiment of the present invention
101, control equipment receives service signal；
In communication process, when needing to be filtered service signal, control equipment receives service signal.
It should be noted that needing to be filtered service signal can be in wireless communication receiver and emission process
In, in actual application, it is also possible to other situations, specifically herein without limitation.
102, control equipment determines the corresponding bandwidth demand of service signal；
After control equipment receives service signal, control equipment can determine that by various modes service signal is corresponding
Bandwidth demand.
It is somebody's turn to do it should be noted that control equipment determines that the corresponding bandwidth demand of service signal specifically may is that by parsing
Service signal determines the corresponding rate requirement of the service signal, determines the service signal further according to the rate requirement of the service signal
Bandwidth demand, in practical applications, control equipment can also determine the bandwidth demand of service signal by other means, such as
By preset agreement, specifically herein without limitation.
103, control equipment calculates first object frequency and the second target frequency according to bandwidth demand；
After control equipment determines the bandwidth demand of service signal, control equipment can calculate the first mesh according to bandwidth demand
Mark frequency and the second target frequency.
104, control equipment adjusts oscillator frequency, so that the first mixing frequencies of filter apparatus and the second mixing frequency
Rate matches respectively at first object frequency and the second target frequency；
After control equipment calculates first object frequency and the second target frequency according to bandwidth demand, equipment tune is controlled
Whole oscillator frequency so that the first mixing frequencies and the second mixing frequencies of filter apparatus respectively at first object frequency with
And second target frequency match.
105, filter apparatus is filtered service signal according to the first mixing frequencies and the second mixing frequencies
To echo signal.
When controller adjustment oscillator frequency makes the first mixing frequencies and the second mixing frequencies difference of filter apparatus
After first object frequency and the second target frequency match, filter apparatus uses the first mixing frequencies and the second mixing frequency
Rate is filtered service signal to obtain echo signal.
In the embodiment of the present invention control equipment can be determined according to the bandwidth demand of service signal first object frequency and
Second target frequency makes the first mixing frequencies and the second mixing frequencies difference of filter apparatus by adjusting oscillator frequency
Match with first object frequency and the second target frequency, filter apparatus uses first mixing frequencies and the second mixing frequency
Rate is filtered service signal, since control equipment can be dynamic by adjusting oscillator frequency according to the bandwidth demand of service signal
State changes the mixing frequencies of filter apparatus, thus can be filtered to narrow band signal without using narrow band filter, improves and is
System performance, simultaneously because not needing to simplify filter circuit using multichannel filtering circuit.
Filter apparatus is described below, place is filtered to service signal according to the first mixing frequencies and the second mixing frequencies
Reason obtains the detailed process of echo signal, specific:
Referring to Fig. 2, another embodiment of data processing method includes: in the embodiment of the present invention
201, control equipment receives service signal；
In communication process, when needing to be filtered service signal, control equipment receives service signal.
It should be noted that needing to be filtered service signal can be in wireless communication receiver and emission process
In, in actual application, it is also possible to other and needs the case where being filtered to bandwidth varying signal, do not do herein specifically
It limits.
202, control equipment determines the corresponding bandwidth demand of service signal；
After control equipment receives service signal, it can determine that the corresponding bandwidth of the service signal needs by various modes
It asks, specifically can be similar to Fig. 2 the embodiment described, details are not described herein again.
203, control equipment calculates first object frequency and the second target frequency according to bandwidth demand；
After controlling equipment and determining service signal corresponding bandwidth demand, control equipment can be calculated according to the bandwidth demand
First object frequency and the second target frequency out.
It should be noted that control equipment calculates first object frequency according to bandwidth demand and the second target frequency has
Body may is that control equipment calculates first object frequency and second according to the centre frequency of bandwidth demand and filter apparatus
Target frequency, it is to be understood that in practical applications, control equipment can also calculate first object frequency by other means
Rate and the second target frequency, specifically herein without limitation.
204, control equipment adjusts oscillator frequency, so that the first mixing frequencies of filter apparatus and the second mixing frequency
Rate matches respectively at first object frequency and the second target frequency；
After control equipment calculates first object frequency and the second target frequency according to bandwidth demand, equipment tune is controlled
Whole oscillator frequency so that the first mixing frequencies and the second mixing frequencies of filter apparatus respectively at first object frequency with
And second target frequency match.
205, filter apparatus is mixed service signal using the first mixing frequencies to obtain the first mixed frequency signal；
When control equipment adjustment oscillator frequency makes the first mixing frequencies and the second mixing frequencies point of filter apparatus
Not after first object frequency and the second target frequency match, filter apparatus using the first mixing frequencies to service signal into
Row mixing obtains the first mixed frequency signal.
It should be noted that filter apparatus is mixed service signal using the first mixing frequencies to obtain the first mixing letter
Number specifically it may is that filter apparatus obtains the first mixed frequency signal by the way that service signal and the first mixing frequencies to be overlapped, or
Filter apparatus is not limited specifically herein by being subtracted each other service signal and the first mixing frequencies to obtain the first mixed frequency signal
It is fixed.
206, filter apparatus is filtered the first mixed frequency signal to obtain the first filtering signal；
After filter apparatus is mixed to obtain the first mixed frequency signal using the first mixing frequencies to service signal, filtering is set
It is standby that first mixed frequency signal is filtered to obtain the first filtering signal.
207, filter apparatus is mixed the first filtering signal using the second mixing frequencies to obtain the second mixed frequency signal；
After filter apparatus is filtered to obtain the first filtering signal to the first mixed frequency signal, filter apparatus is mixed using second
Frequent rate is mixed the first filtering signal to obtain the second mixed frequency signal.
It should be noted that using the second mixing frequencies to be mixed to obtain second to the first filtering signal mixed for filter apparatus
Frequency signal specifically may is that filter apparatus is mixed by being overlapped to obtain second by the first filtering signal and the second mixing frequencies
Signal or filter apparatus are by being subtracted each other the first filtering signal and the second mixing frequencies to obtain the second mixed frequency signal, specifically
Herein without limitation.
208, filter apparatus is filtered to obtain echo signal to the second mixed frequency signal.
After filter apparatus is to be mixed to obtain the second mixed frequency signal to the first filtering signal with the second mixing frequencies, filter
Wave device is filtered to obtain echo signal to the second mixed frequency signal.
In the embodiment of the present invention: control equipment can be determined according to the bandwidth demand of service signal first object frequency and
Second target frequency makes the first mixing frequencies and the second mixing frequencies difference of filter apparatus by adjusting oscillator frequency
Match with first object frequency and the second target frequency, filter apparatus uses first mixing frequencies and the second mixing frequency
Rate is filtered service signal, since control equipment can be dynamic by adjusting oscillator frequency according to the bandwidth demand of service signal
State changes the mixing frequencies of filter apparatus, thus can be filtered to narrow band signal without using narrow band filter, improves and is
System performance, simultaneously because not needing to simplify filter circuit using multichannel filtering circuit.
Secondly, present embodiments providing a kind of filter apparatus according to the first mixing frequencies and the second mixing frequencies to business
Signal is filtered to obtain the method for echo signal, increases the alternative of scheme.
For ease of understanding, data processing method in the embodiment of the present invention is carried out with a concrete application scene below detailed
Description, specific:
Certain operator provides that the bandwidth of talk business is 50KHz；The modulation that the service signal of talk business is 350MHz is believed
Number, while assuming to use intermediate frequency sound table: 69.1~70.1MHz and ceramic filter: 10.6~10.8MHz in filter apparatus.
Start talk business for A, controls the service signal that the input unit in equipment receives talk business, set by control
Processor in standby is 50KHz by parsing the bandwidth demand for the talk business for determining user A starting, then processor according to
The bandwidth demand of 50KHz calculates first object frequency are as follows: 350MHz-(70.1MHz -25KHz)=279.925MHz；Second
Target frequency are as follows: (70.1MHz -25KHz) -10.6MHz=59.45MHz.
Equipment is controlled by adjusting oscillator frequency, so that the first mixing frequencies of the first frequency mixer in filter apparatus are
The second mixing frequencies of the 279.925MHz to match with first object frequency, the second frequency mixer in filter apparatus are and second
The 59.45MHz that target frequency matches.
First frequency mixer carries out mixing for the first time to service signal using 279.925MHz frequency signal and obtains the first mixing
Signal: 70.075MHz/50KHz, first filter in filter apparatus carry out filtering for the first time to the first mixed frequency signal and obtain the
One filtering signal, later, the second frequency mixer are mixed the first filtering signal using 59.45MHz frequency signal for the second time
To the second mixed frequency signal: 10.625MHz/50KHz, and second of filtering is carried out to the second mixed frequency signal by second filter and is obtained
Echo signal.
When the variation of the bandwidth demand of service signal, the processor for controlling equipment can make by adjusting oscillator frequency
The first mixing frequencies and the second mixing frequencies of filter apparatus meet the filtering demands of service signal in real time, to realize to can
The filtering of variable speed bandwidth signals.
Data processing method in the present invention is described above, control equipment in the present invention is described below,
Referring to Fig. 3, the one embodiment for controlling equipment in the present invention includes
Receiving module 301, for receiving service signal；
Determining module 302, for determining the corresponding bandwidth demand of the received service signal of receiving module 301；
Computing module 303, the bandwidth demand for being determined according to determining module 302 calculate first object frequency and the
Two target frequencies；
Module 304 is adjusted, for adjusting oscillator frequency, so that the first mixing frequencies of filter apparatus and second mixed
Frequent rate matches respectively at the calculated first object frequency of computing module 303 and the second target frequency.
It should be noted that computing module 303 is specifically used for the centre frequency meter according to bandwidth demand and filter apparatus
First object frequency and the second target frequency are calculated, in practical applications, computing module 303 can be also used for other function,
Specifically herein without limitation.
In the embodiment of the present invention: control equipment receiving module 301 can receive service signal, and determining module 302 can be true
Determine the bandwidth demand of service signal, computing module 303 can calculate first object frequency according to the bandwidth demand of service signal
And second target frequency, adjust module 304 by adjusting oscillator frequency make filter apparatus the first mixing frequencies and
Second mixing frequencies match with first object frequency and the second target frequency respectively, and filter apparatus uses the first mixing frequency
Rate and the second mixing frequencies are filtered service signal, since control equipment can pass through according to the bandwidth demand of service signal
Adjust oscillator frequency dynamic change filter apparatus mixing frequencies, thus can without using narrow band filter to narrow band signal into
Row filtering, improves system performance, simultaneously because not needing to simplify filter circuit using multichannel filtering circuit.
Control equipment in the embodiment of the present invention is described from the angle of practical structures below, referring to Fig. 4, of the invention
One embodiment of control equipment includes: in embodiment
Input unit 401, for receiving service signal；
Processor 402, the corresponding bandwidth demand of the service signal received for determining the input unit；According to described
Bandwidth demand calculates first object frequency and the second target frequency；And oscillator frequency is adjusted, so that filter apparatus
First mixing frequencies and the second mixing frequencies match respectively at the first object frequency and second target frequency.
In the embodiment of the present invention: control equipment input unit 401 can receive service signal, and be determined by processor 402
The bandwidth demand of service signal, calculated according to the bandwidth demand of service signal first object frequency and the second target frequency with
And by adjusting oscillator frequency make filter apparatus the first mixing frequencies and the second mixing frequencies respectively with first object
Frequency and the second target frequency match, and filter apparatus believes business using first mixing frequencies and the second mixing frequencies
It number is filtered, is filtered since control equipment can change according to the bandwidth demand of service signal by adjusting oscillator frequency dynamic
The mixing frequencies of equipment, thus narrow band signal can be filtered without using narrow band filter, system performance is improved, simultaneously
Due to not needing to simplify filter circuit using multichannel filtering circuit.
Filter apparatus in the present invention is described below, referring to Fig. 5, one of filter apparatus in the embodiment of the present invention
Embodiment includes:
First frequency mixer 501, first filter 502, the second frequency mixer 503, second filter 504；
Wherein, the output end of the first frequency mixer 501 is connected with the input terminal of first filter 502；
The output end of first filter 502 is connected with the input terminal of the second frequency mixer 503；
The output end of second frequency mixer 503 is connected with the input terminal of second filter 504.
In the embodiment of the present invention: control equipment can be determined according to the bandwidth demand of service signal first object frequency and
Second target frequency, by adjusting oscillator frequency make in filter apparatus the first mixing frequencies of the first frequency mixer 501 and
Second mixing frequencies of the second frequency mixer 503 match with first object frequency and the second target frequency respectively, filter apparatus
Service signal is mixed using first mixing frequencies and the second mixing frequencies, and by first filter 502 and
Two filters 504 are filtered, since control equipment can be dynamic by adjusting oscillator frequency according to the bandwidth demand of service signal
State changes the mixing frequencies of filter apparatus, thus can be filtered to narrow band signal without using narrow band filter, improves and is
System performance, simultaneously because not needing to simplify filter circuit using multichannel filtering circuit.
Filtering system in the embodiment of the present invention is described in detail below, referring to Fig. 6, being filtered in the embodiment of the present invention
One embodiment of system includes:
Equipment 601 is controlled, for receiving service signal；Determine the corresponding bandwidth demand of service signal；According to bandwidth demand
Calculate first object frequency and the second target frequency；Adjust oscillator frequency.
Filter apparatus 602, for being filtered place to service signal according to the first mixing frequencies and the second mixing frequencies
Reason.
In the embodiment of the present invention: control equipment 601 can determine first object frequency according to the bandwidth demand of service signal
And second target frequency, the first mixing frequencies and the second mixing of filter apparatus 602 are made by adjusting oscillator frequency
Frequency matches with first object frequency and the second target frequency respectively, filter apparatus 602 using first mixing frequencies with
And second mixing frequencies service signal is filtered, due to control equipment 601 can be passed through according to the bandwidth demand of service signal
It adjusts oscillator frequency dynamic and changes the mixing frequencies of filter apparatus 602, thus can mend and narrowband is believed using narrow band filter
Number filtering, system performance is improved, simultaneously because not needing to simplify filter circuit using multichannel filtering circuit.
For ease of understanding, below with a concrete application scene to the data between in filtering system in the present invention module
Interactive process is described in detail, specific:
In communication process, when needing to be filtered service signal, control equipment 601 receives service signal.
It should be noted that needing to be filtered service signal can be in wireless communication receiver and emission process
In, in actual application, it is also possible to other situations, specifically herein without limitation.
After control equipment 601 receives service signal, the corresponding band of the service signal can be determined by various modes
Wide demand, specifically can be similar to Fig. 2 the embodiment described, and details are not described herein again.
After the determining service signal of control equipment 601 corresponding bandwidth demand, control equipment 601 can be according to the bandwidth need
It asks and calculates first object frequency and the second target frequency.
It should be noted that control equipment 601 calculates first object frequency and the second target frequency according to bandwidth demand
Rate specifically may is that control equipment 601 calculates first object frequency according to the centre frequency of bandwidth demand and filter apparatus
And second target frequency, it is to be understood that in practical applications, control equipment 601 can also calculate by other means
First object frequency and the second target frequency out, specifically herein without limitation.
After control equipment 601 calculates first object frequency and the second target frequency according to bandwidth demand, control is set
Standby adjustment oscillator frequency, so that the first mixing frequencies and the second mixing frequencies of filter apparatus 602 are respectively at the first mesh
Mark frequency and the second target frequency match.
When control equipment 601 adjusts the first mixing frequencies and the second mixing that oscillator frequency makes filter apparatus 602
For frequency after first object frequency and the second target frequency match, filter apparatus 602 uses the first mixing frequencies pair
Service signal is mixed to obtain the first mixed frequency signal.
It should be noted that using the first mixing frequencies to be mixed to obtain first to service signal mixed for filter apparatus 602
Frequency signal specifically may is that filter apparatus 602 is mixed by being overlapped to obtain first by service signal and the first mixing frequencies
Signal or filter apparatus 602 by being subtracted each other service signal and the first mixing frequencies to obtain the first mixed frequency signal, it is specific this
Place is without limitation.
After filter apparatus 602 is mixed to obtain the first mixed frequency signal using the first mixing frequencies to service signal, filter
Wave device 602 is filtered the first mixed frequency signal to obtain the first filtering signal.
After filter apparatus 602 is filtered to obtain the first filtering signal to the first mixed frequency signal, filter apparatus 602 is used
Second mixing frequencies are mixed the first filtering signal to obtain the second mixed frequency signal.
It should be noted that filter apparatus 602 is mixed the first filtering signal using the second mixing frequencies to obtain
Two mixed frequency signals specifically may is that filter apparatus 602 by the way that the first filtering signal and the second mixing frequencies to be overlapped to obtain
Second mixed frequency signal or filter apparatus 602 are mixed by being subtracted each other to obtain second by the first filtering signal and the second mixing frequencies
Frequency signal, specifically herein without limitation.
When filter apparatus 602 is to be mixed to obtain the second mixed frequency signal to the first filtering signal with the second mixing frequencies
Afterwards, filter apparatus 602 is filtered to obtain echo signal to the second mixed frequency signal.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (5)
1. a kind of data processing method characterized by comprising
It controls equipment and receives service signal；
The control equipment determines the corresponding bandwidth demand of the service signal；
The control equipment calculates first object frequency and the second target frequency according to the bandwidth demand；
The control equipment adjusts oscillator frequency, so that the first mixing frequencies and the second mixing frequencies of filter apparatus point
Do not match in the first object frequency and second target frequency；
The filter apparatus filters the service signal according to first mixing frequencies and second mixing frequencies
Wave handles to obtain echo signal；
The filter apparatus filters the service signal according to first mixing frequencies and second mixing frequencies
Wave handles to obtain echo signal
The filter apparatus is mixed the service signal to obtain the first mixed frequency signal using first mixing frequencies；
The filter apparatus is filtered to obtain the first filtering signal to first mixed frequency signal；
The filter apparatus is mixed first filtering signal using second mixing frequencies to obtain the second mixing letter
Number；
The filter apparatus is filtered to obtain echo signal to second mixed frequency signal.
2. data processing method according to claim 1, which is characterized in that the filter apparatus uses the first mixing frequencies
The service signal is mixed to obtain the first mixed frequency signal specifically:
First mixing frequencies and the service signal are overlapped to obtain the first mixed frequency signal by the filter apparatus；
Or,
The filter apparatus is subtracted each other the service signal and first mixing frequencies to obtain the first mixed frequency signal.
3. data processing method according to claim 2, which is characterized in that the filter apparatus uses the second mixing frequencies
First filtering signal is mixed to obtain the second mixed frequency signal specifically:
Second mixing frequencies and first filtering signal are overlapped to obtain the second mixed frequency signal by the filter apparatus；
Or,
The filter apparatus is subtracted each other the first filtering signal and second mixing frequencies to obtain the second mixed frequency signal.
4. data processing method according to any one of claim 1 to 3, which is characterized in that the control equipment according to
The bandwidth demand calculates first object frequency and the second target frequency specifically:
The control equipment calculates the first object according to the centre frequency of the bandwidth demand and the filter apparatus
Frequency and second target frequency.
5. a kind of filtering system characterized by comprising
Equipment is controlled, for receiving service signal；Determine the corresponding bandwidth demand of the service signal；According to the bandwidth demand
Calculate first object frequency and the second target frequency；Oscillator frequency is adjusted, so that the first mixing frequency of filter apparatus
Rate and the second mixing frequencies match with the first object frequency and second target frequency；
Filter apparatus, for being filtered according to first mixing frequencies and second mixing frequencies to the service signal
Wave processing；
Wherein, the filter apparatus, specifically for being mixed to obtain to the service signal using first mixing frequencies
First mixed frequency signal is filtered to obtain the first filtering signal to first mixed frequency signal；Use second mixing frequencies
First filtering signal is mixed to obtain the second mixed frequency signal；Second mixed frequency signal is filtered to obtain target letter
Number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125309.8A CN104702541B (en) | 2015-03-20 | 2015-03-20 | A kind of data processing method, control equipment, filter apparatus and filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125309.8A CN104702541B (en) | 2015-03-20 | 2015-03-20 | A kind of data processing method, control equipment, filter apparatus and filtering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104702541A CN104702541A (en) | 2015-06-10 |
| CN104702541B true CN104702541B (en) | 2019-03-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831630Y (en) * | 2005-09-16 | 2006-10-25 | 鸿富锦精密工业（深圳）有限公司 | Network appts |
| CN101247134A (en) * | 2008-03-06 | 2008-08-20 | 中兴通讯股份有限公司 | Resonating device and method for electrically regulated filtering unit |
| CN102098063A (en) * | 2010-12-30 | 2011-06-15 | 中兴通讯股份有限公司 | Method and device for processing transmission of different bandwidth signals in wireless communication system |
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| WO2009123372A1 (en) * | 2008-04-04 | 2009-10-08 | Snu Industry Foundation | Clock and data recovery circuit with eliminating data-dependent jitters |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831630Y (en) * | 2005-09-16 | 2006-10-25 | 鸿富锦精密工业（深圳）有限公司 | Network appts |
| CN101247134A (en) * | 2008-03-06 | 2008-08-20 | 中兴通讯股份有限公司 | Resonating device and method for electrically regulated filtering unit |
| CN102098063A (en) * | 2010-12-30 | 2011-06-15 | 中兴通讯股份有限公司 | Method and device for processing transmission of different bandwidth signals in wireless communication system |
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