CN106357566A - Coded signal generating method and system - Google Patents
Coded signal generating method and system Download PDFInfo
- Publication number
- CN106357566A CN106357566A CN201610749514.6A CN201610749514A CN106357566A CN 106357566 A CN106357566 A CN 106357566A CN 201610749514 A CN201610749514 A CN 201610749514A CN 106357566 A CN106357566 A CN 106357566A
- Authority
- CN
- China
- Prior art keywords
- encoded signal
- signal
- digitally encoded
- digital
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 60
- 238000006243 chemical reaction Methods 0.000 claims abstract description 47
- 238000004088 simulation Methods 0.000 claims abstract description 29
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 12
- 230000003321 amplification Effects 0.000 claims description 33
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- 238000013139 quantization Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 12
- 230000035939 shock Effects 0.000 description 8
- 230000004044 response Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/028—Arrangements specific to the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
The invention discloses a coded signal generating method and system, and is used for achieving coded signal generation and improving the coded signal quality generated simply and accurately, the system comprises: a control module, a waveform storage module, a digital simulation conversion module and a linear amplifier module; the control module is used for simulating and generating the first digital coded signal; implementing quantization the first digital coded signal according to the significant digit of the digital simulation conversion module, to generate the second digital coding signal; the waveform storage module is used for storing the second digital coded signal; the digital simulation conversion module is used for reading the second digital coded signal when receiving the control instruction in need of coded signal generation, and converting the second digital coded signal into the first simulated coded signal; the linear amplifier module is used for amplifying the voltage linear of the first simulated coded signal to the voltage preset scope, generating the second simulated coded signal, and outputting the second simulated coded signal.
Description
Technical field
The present invention relates to medical ultrasonic technical field is and in particular to a kind of encoded signal production method and system.
Background technology
When Medical ultrasound image technology is to be propagated in human body different tissues using ultrasound wave, the acoustic featuress being presented are poor
Different obtaining the image of organization internal, there are safe noinvasive, Real-time and Dynamic imaging, simple operation and other advantages.Work as ultrasonic signal
When skin surface is propagated to inside of human body, the acoustic impedance of different tissues organ can be different to sound wave generation with attenuation characteristic difference
The reflection of degree and decay, lead to the information such as amplitude, the phase place of echo-signal to change.Medical ultrasound image technology is by echo
The information that signal carries is converted into the pixel with different gray values, and carries out imaging display, to obtain the sound of people's body section
As figure, can achieve the differentiation of organ, lesion tissue information by observing ultrasonogram.In order to obtain clearly image it is ensured that examining
Disconnected accuracy, needs medical ultrasonic imaging system to have high resolving power.
In the prior art, it is possible to use the pulse compression technique of communication, launch the coded pulse signal of long duration
To replace conventional single carrier, short pulse signal, to reach the purpose improving resolving power and penetration power.In the prior art, propose
A kind of encoded signal production method based on tri-state impulse generator, the first needs according to actual waveform carry out coding and produce
Controlling symbols, the then shock response of estimating system, according to this shock response, the controlling symbols producing are corrected；The opposing party
Face carries out balance optimizing it is also desirable to respond according to system shock to any encoded signal inputting because signal voltage is higher；?
Afterwards the symbol after correction and the signal after equilibrium are passed through symbol quantizer, the encoded signal required for producing.But it is based on three
Any encoded signal production method of state pulse generator needs estimating system shock response and the equilibrium of follow-up symbol correction,
Realize that complexity is not readily understood, additionally due to using the method for approximate evaluation, the encoded signal of generation need balance optimizing with preferable
Encoded signal ratioing signal second-rate.
Content of the invention
In view of this, the present invention provides a kind of encoded signal production method and system, to solve coding letter in prior art
Number produce and realize the complicated and poor technical problem of signal quality.
For solving the above problems, the technical scheme that the present invention provides is as follows:
A kind of encoded signal generation system, described system includes:
Control module, waveform memory module, digital-to-analogue conversion module and linear amplification module；
Described control module, generates the first digitally encoded signal for simulation；According to described digital-to-analogue conversion module
Number of significant digit quantifies to described first digitally encoded signal, generates the second digitally encoded signal；
Described waveform memory module, for storing described second digitally encoded signal；
Described digital-to-analogue conversion module, for when receiving the control instruction needing to produce encoded signal, reading institute
State the second digitally encoded signal, described second digitally encoded signal is converted to the first analog code signal；
Described linear amplification module, presets model for the voltage linear of described first analog code signal is amplified to voltage
Enclose, generate the second analog code signal, export described second analog code signal.
Accordingly, described control module includes the first control submodule and the second control submodule；
Described first control submodule, generates the first digitally encoded signal for simulation；According to described digital-to-analogue conversion
The number of significant digit of module quantifies to described first digitally encoded signal, generates the second digitally encoded signal；By described second
Digitally encoded signal is sent to described second control submodule；
Described second control submodule, for being sent to described waveform memory module by described second digitally encoded signal.
Accordingly, described first control submodule, is additionally operable to send waveform storage address to described second control submodule,
Described Waveform storage address is storage address in described waveform memory module for described second digitally encoded signal；
Described second control submodule, is additionally operable to for described Waveform storage address to be sent to described waveform memory module；
Described waveform memory module, specifically for according to the described second digital coding letter of described Waveform storage address storage
Number.
Accordingly, described first control submodule, being additionally operable to send to described second control submodule needs to produce coding
The control instruction of signal, the described control instruction needing to produce encoded signal includes described Waveform storage address；
Described second control submodule, is additionally operable to for the described control instruction needing to produce encoded signal to be sent to described number
Word analog conversion module；
Described digital-to-analogue conversion module specifically for: when receive need produce encoded signal control instruction when, root
Read described second digitally encoded signal according to described Waveform storage address from described waveform memory module, the described second numeral is compiled
Code signal is converted to the first analog code signal.
Accordingly, described first control submodule, is additionally operable to send to described second control submodule and amplifies control parameter；
Described second control submodule, is additionally operable to for described amplification control parameter to be sent to described linear amplification module；
Described linear amplification module, specifically for according to described amplification control parameter by described first analog code signal
Voltage linear is amplified to voltage preset range, generates the second analog code signal, exports described second analog code signal.
Accordingly, described waveform memory module is arranged in described digital-to-analogue conversion module.
Accordingly, described first control submodule is realized by computer, and described second control submodule is by field-programmable
Gate array fpga is realized.
A kind of encoded signal production method, simulation generates the first digitally encoded signal；According to digital-to-analogue conversion module
Number of significant digit quantifies to described first digitally encoded signal, generates the second digitally encoded signal；Store described second numeral
Encoded signal；Methods described includes:
When receiving the control instruction needing to produce encoded signal, read described by described digital-to-analogue conversion module
Second digitally encoded signal, described second digitally encoded signal is converted to the first analog code signal；
The voltage linear of described first analog code signal is amplified to voltage preset range, generates the second analog code letter
Number, export described second analog code signal.
Accordingly, described second digitally encoded signal of described storage, comprising:
Store described second digitally encoded signal according to Waveform storage address；
Described when receive need produce encoded signal control instruction when, by described digital-to-analogue conversion module read
Described second digitally encoded signal, reads described second digitally encoded signal by described digital-to-analogue conversion module, comprising:
The described control instruction needing to produce encoded signal includes described Waveform storage address, compiles when receiving to need to produce
During the control instruction of code signal, described second number is read according to described Waveform storage address by described digital-to-analogue conversion module
Word encoded signal.
Accordingly, the described voltage linear by described first analog code signal is amplified to voltage preset range, generates the
Two analog code signals, comprising:
According to amplifying control parameter, the voltage linear of described first analog code signal is amplified to voltage preset range, raw
Become the second analog code signal.
As can be seen here, the embodiment of the present invention has the advantages that
The embodiment of the present invention first according to actual needs simulation generate preferably arbitrarily encoded signal storing after quantization,
Read the digitally encoded signal of storage when being actually needed and producing encoded signal, by digital-to-analogue conversion module by digital coding
Signal is converted to analog code signal, then through linear amplification module, the analog code signal of low pressure is amplified to symbol without distortions
Close the high pressure simulation encoded signal being actually needed, complete the generation process of any encoded signal, this Principle of Process is easily understood,
Do not need algorithm estimating system shock response etc. of complexity, launched again by the storage of signal make generation signal quality higher,
And realize upper simple and easy to do it is not necessary to carry out to signal equalizing and repeatedly correcting etc. optimizing, mainly by digital-to-analogue conversion mould
Block and linear amplification module can achieve that encoded signal produces, and cost is relatively low.
Brief description
The schematic diagram of the encoded signal generation system embodiment one for providing in the embodiment of the present invention for the Fig. 1；
The principle schematic of the encoded signal generation system embodiment for providing in the embodiment of the present invention for the Fig. 2；
The schematic diagram of the encoded signal generation system embodiment two for providing in the embodiment of the present invention for the Fig. 3；
The flow chart of the encoded signal production method embodiment for providing in the embodiment of the present invention for the Fig. 4.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings and specifically real
Mode of applying is described in further detail to the embodiment of the present invention.
Encoded signal generation system embodiment one shown in Figure 1, providing in the embodiment of the present invention, may include that
Control module 101, waveform memory module 102, digital-to-analogue conversion module 103 and linear amplification module 104.
Wherein, control module 101, can be used for simulation and generate the first digitally encoded signal；According to digital-to-analogue conversion mould
The number of significant digit of block quantifies to the first digitally encoded signal, generates the second digitally encoded signal.
Waveform memory module 102, can be used for storing the second digitally encoded signal.
Digital-to-analogue conversion module 103, can be used for, when receiving the control instruction needing to produce encoded signal, reading
Second digitally encoded signal, the second digitally encoded signal is converted to the first analog code signal.
Linear amplification module 104, can be used for for the voltage linear of the first analog code signal being amplified to the default model of voltage
Enclose, generate the second analog code signal, export the second analog code signal.
Shown in Figure 2, show the operation principle schematic diagram of the encoded signal generation system that the present embodiment provides.
First, control module can generate the first digitally encoded signal, the first digitally encoded signal using matlab simulation
There is the sample frequency that medical ultrasound system is actually needed；Then generated ideal signal (i.e. the first digitally encoded signal) is entered
Row quantifies, and quantifies to need to be carried out according to the number of significant digit being used according to digital-to-analogue conversion module, such as according to digital mould
Intend modular converter number of significant digit be 8, represent decimal integer with 8 bits, can represent -128～127 it
Between integer value, that is, 256 quantized levels, then the first digitally encoded signal can be carried out being up to 256 quantized levels
Quantization；The second digitally encoded signal generating after quantifying is stored in waveform memory module.During storage, control
Module can distribute corresponding Waveform storage address for the second digitally encoded signal, and waveform memory module is according to Waveform storage address
Store the second digitally encoded signal, the second different digitally encoded signals is stored in different Waveform storage addresses.
When needing to produce encoded signal, control module can also send to digital-to-analogue conversion module and include Waveform storage
The control instruction needing generation encoded signal of address, digital-to-analogue conversion module reads second according to Waveform storage address first
Digitally encoded signal, the second digitally encoded signal carries out dac, and (digital-to-analog converter, digital simulation turns
Change) be converted to the first analog code signal, realize the generation of any encoded signal of low pressure；Finally by the first analog code signal
Voltage linear is amplified to the be actually needed voltage of medical science detection, generates the second analog code signal.Process in voltage amplification
In, control module can send to linear amplification module amplifies control parameter, amplifies control parameter and can include the default model of voltage
The parameter such as enclose, so that linear amplification module carries out voltage amplification according to amplifying control parameter.
So, the present embodiment first according to actual needs simulation generate preferably arbitrarily encoded signal depositing after quantization
Storage, reads the digitally encoded signal of storage, by digital-to-analogue conversion module by numeral when being actually needed and producing encoded signal
Encoded signal is converted to analog code signal, then amplifies the analog code signal of low pressure without distortions through linear amplification module
To the high pressure simulation encoded signal corresponding to actual needs, complete the generation process of any encoded signal, simple in this Principle of Process
Understandable it is not necessary to algorithm estimating system shock response of complexity etc., being launched by the storage of signal makes the signal quality of generation again
Higher, and realize upper simple and easy to do it is not necessary to carry out to signal equalizing and repeatedly correcting etc. optimizing, mainly turned by digital simulation
Die change block and linear amplification module can achieve that encoded signal produces, and cost is relatively low.
In some possible implementations of the present invention, control module can include the first control submodule and second
Control submodule；First control submodule can be realized by computer, and the second control submodule can be by fpga (field
Programmable gate array, field programmable gate array) realize；Waveform memory module can be arranged at digital simulation
In modular converter；Digital-to-analogue conversion module can be realized by dac chip, and linear amplification module can be by linear amplifier module
Realize.By fpga with dac chip interactive speed faster, the requirement of real-time of encoded signal generation can be met.
Encoded signal generation system embodiment two shown in Figure 3, providing in the embodiment of the present invention, may include that
Computer 301, fpga302, dac chip 303 and linear amplifier 304.
The operation principle of the encoded signal generation system that the present embodiment provides is:
First control submodule can simulate generation the first digitally encoded signal；Effective according to digital-to-analogue conversion module
Digit quantifies to the first digitally encoded signal, generates the second digitally encoded signal；Second digitally encoded signal is sent to
Second control submodule.I.e. the first control submodule can generate the first number using matlab according to the actual sample frequency of system
Then first digitally encoded signal is quantified as second digitally encoded signal of nbit by word encoded signal, and n is having of dac chip
Above-mentioned second digitally encoded signal can be stored the ram of the second control submodule fpga by effect digit in actual applications
In (random access memory, random access memory).
Then the second digitally encoded signal can be sent to waveform memory module, Waveform storage mould by the second control submodule
Block can be arranged in digital-to-analogue conversion module.In actual applications, waveform memory module can be the ram of dac chip, this
Sample, second after fpga will be able to be quantified by spi (serial peripheral interface, Serial Peripheral Interface (SPI)) counts
Word encoded signal stores in the ram of dac chip.
During storage, the first control submodule can also send waveform storage address to the second control submodule,
Waveform storage address is sent to waveform memory module by the second control submodule；Then waveform memory module can be according to Waveform storage
Address stores the second digitally encoded signal, and Waveform storage address is storage in waveform memory module for second digitally encoded signal
Address, the second different digitally encoded signals can be stored in different Waveform storage addresses.
When needing to produce encoded signal, the first control submodule is additionally operable to send to the second control submodule to be needed to produce
The control instruction of encoded signal, needs the control instruction producing encoded signal to include Waveform storage address；Second control submodule
It is additionally operable to for the control instruction needing to produce encoded signal to be sent to digital-to-analogue conversion module；Then digital-to-analogue conversion module is worked as
When receiving the control instruction needing to produce encoded signal, the second numeral is read from waveform memory module according to Waveform storage address
Encoded signal, the second digitally encoded signal is converted to the first analog code signal.
Finally, the first control submodule can also send to the second control submodule and amplify control parameter；Second controls son
Module is sent to linear amplification module by amplifying control parameter；First simulation is compiled by linear amplification module according to amplifying control parameter
The voltage linear of code signal is amplified to voltage preset range, generates the second analog code signal, exports the second analog code signal,
Complete the generation of any encoded signal.
In the present embodiment, computer is responsible for the control of system and the generation of ideal coding signal, quantization, and fpga will be controlled
Instruction processed is issued to dac chip；Dac chip is responsible for converting digital signals into the recovery that analogue signal completes encoded signal, and
Analog code signal is sent to linear amplifier；Linear amplifier is responsible for the analog code linearly of dac chip output
It is amplified to the high voltage level being actually needed.
So, the present embodiment first according to actual needs simulation generate preferably arbitrarily encoded signal depositing after quantization
Storage, reads the digitally encoded signal of storage, by digital-to-analogue conversion module by numeral when being actually needed and producing encoded signal
Encoded signal is converted to analog code signal, then amplifies the analog code signal of low pressure without distortions through linear amplification module
To the high pressure simulation encoded signal corresponding to actual needs, complete the generation process of any encoded signal, simple in this Principle of Process
Understandable it is not necessary to algorithm estimating system shock response of complexity etc., being launched by the storage of signal makes the signal quality of generation again
Higher, and realize upper simple and easy to do it is not necessary to carry out to signal equalizing and repeatedly correcting etc. optimizing, mainly turned by digital simulation
Die change block and linear amplification module can achieve that encoded signal produces, and cost is relatively low.
Accordingly, also provide a kind of encoded signal production method embodiment in the embodiment of the present invention, following walking can be included
Rapid:
Step 401: simulation generates the first digitally encoded signal；Number of significant digit according to digital-to-analogue conversion module is to first
Digitally encoded signal is quantified, and generates the second digitally encoded signal.
The first digitally encoded signal can be generated using control module simulation in actual applications；According to digital-to-analogue conversion
The number of significant digit of module quantifies to the first digitally encoded signal, generates the second digitally encoded signal.Control module is acceptable
Send waveform storage address to waveform memory module, when needing to produce encoded signal, send bag to digital-to-analogue conversion module
Include the control instruction needing to produce encoded signal, need the control instruction producing encoded signal can include Waveform storage address.
Control module can also send to linear amplification module amplifies control parameter.
Step 402: storage the second digitally encoded signal.
The second digitally encoded signal can be stored using waveform memory module, specifically, can be according to Waveform storage address
Store the second digitally encoded signal.
Step 403: when receiving the control instruction needing to produce encoded signal, read by digital-to-analogue conversion module
Second digitally encoded signal, the second digitally encoded signal is converted to the first analog code signal.
In some possible implementations of the present invention, need the control instruction producing encoded signal can include waveform
Storage address, implementing of this step can be when receiving the control instruction needing to produce encoded signal, by numeral
Analog conversion module reads the second digitally encoded signal according to Waveform storage address.Namely in actual applications can be using numeral
Analog conversion module realizes this step.
Step 404: the voltage linear of the first analog code signal is amplified to voltage preset range, generates the second simulation and compile
Code signal, exports the second analog code signal.
In some possible implementations of the present invention, implementing of this step can be to control ginseng according to amplification
The voltage linear of the first analog code signal is amplified to voltage preset range by number, generates the second analog code signal.Namely
This step can be realized using linear amplification module in practical application.
So, the present embodiment first according to actual needs simulation generate preferably arbitrarily encoded signal depositing after quantization
Storage, reads the digitally encoded signal of storage, by digital-to-analogue conversion module by numeral when being actually needed and producing encoded signal
Encoded signal is converted to analog code signal, then amplifies the analog code signal of low pressure without distortions through linear amplification module
To the high pressure simulation encoded signal corresponding to actual needs, complete the generation process of any encoded signal, simple in this Principle of Process
Understandable it is not necessary to algorithm estimating system shock response of complexity etc., being launched by the storage of signal makes the signal quality of generation again
Higher, and realize upper simple and easy to do it is not necessary to carry out to signal equalizing and repeatedly correcting etc. optimizing, mainly turned by digital simulation
Die change block and linear amplification module can achieve that encoded signal produces, and cost is relatively low.
It should be noted that each embodiment is described by the way of going forward one by one in this specification, each embodiment emphasis is said
Bright is all the difference with other embodiment, between each embodiment identical similar portion mutually referring to.For reality
For applying system disclosed in example or device, because it corresponds to the method disclosed in Example, so fairly simple, the phase of description
Referring to method part illustration in place of pass.
Also, it should be noted herein, such as first and second or the like relational terms are used merely to one
Entity or operation are made a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to contain
Comprising of lid nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
The step of the method in conjunction with the embodiments described herein description or algorithm can directly be held with hardware, processor
The software module of row, or the combination of the two is implementing.Software module can be placed in random access memory (ram), internal memory, read-only deposit
Reservoir (rom), electrically programmable rom, electrically erasable rom, depositor, hard disk, moveable magnetic disc, cd-rom or technology
In known any other form of storage medium in field.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. a kind of encoded signal generation system is it is characterised in that described system includes:
Control module, waveform memory module, digital-to-analogue conversion module and linear amplification module；
Described control module, generates the first digitally encoded signal for simulation；Effective according to described digital-to-analogue conversion module
Digit quantifies to described first digitally encoded signal, generates the second digitally encoded signal；
Described waveform memory module, for storing described second digitally encoded signal；
Described digital-to-analogue conversion module, for when receiving the control instruction needing to produce encoded signal, reading described the
Two digitally encoded signals, described second digitally encoded signal is converted to the first analog code signal；
Described linear amplification module, for the voltage linear of described first analog code signal is amplified to voltage preset range,
Generate the second analog code signal, export described second analog code signal.
2. system according to claim 1 is it is characterised in that described control module includes the first control submodule and
Two control submodules；
Described first control submodule, generates the first digitally encoded signal for simulation；According to described digital-to-analogue conversion module
Number of significant digit described first digitally encoded signal is quantified, generate the second digitally encoded signal；By the described second numeral
Encoded signal is sent to described second control submodule；
Described second control submodule, for being sent to described waveform memory module by described second digitally encoded signal.
3. system according to claim 2 it is characterised in that
Described first control submodule, is additionally operable to send waveform storage address to described second control submodule, described waveform is deposited
Storage address is storage address in described waveform memory module for described second digitally encoded signal；
Described second control submodule, is additionally operable to for described Waveform storage address to be sent to described waveform memory module；
Described waveform memory module, specifically for storing described second digitally encoded signal according to described Waveform storage address.
4. system according to claim 3 it is characterised in that
Described first control submodule, being additionally operable to send to described second control submodule needs the control of generation encoded signal to refer to
Order, the described control instruction needing to produce encoded signal includes described Waveform storage address；
Described second control submodule, is additionally operable to need the control instruction producing encoded signal to be sent to described numeral mould by described
Intend modular converter；
Described digital-to-analogue conversion module specifically for: when receive need produce encoded signal control instruction when, according to institute
State Waveform storage address and read described second digitally encoded signal from described waveform memory module, by described second digital coding letter
Number be converted to the first analog code signal.
5. system according to claim 2 it is characterised in that
Described first control submodule, is additionally operable to send to described second control submodule and amplifies control parameter；
Described second control submodule, is additionally operable to for described amplification control parameter to be sent to described linear amplification module；
Described linear amplification module, specifically for according to described amplification control parameter by the voltage of described first analog code signal
Linear amplification, to voltage preset range, generates the second analog code signal, exports described second analog code signal.
6. the system according to any one of claim 2-4 is it is characterised in that described waveform memory module is arranged at described number
In word analog conversion module.
7. the system according to any one of claim 2-5 is it is characterised in that described first control submodule is real by computer
Existing, described second control submodule is realized by field programmable gate array fpga.
8. a kind of encoded signal production method is it is characterised in that simulation generates the first digitally encoded signal；Turned according to digital simulation
The number of significant digit of die change block quantifies to described first digitally encoded signal, generates the second digitally encoded signal；Storage is described
Second digitally encoded signal；Methods described includes:
When receiving the control instruction needing to produce encoded signal, read described second by described digital-to-analogue conversion module
Digitally encoded signal, described second digitally encoded signal is converted to the first analog code signal；
The voltage linear of described first analog code signal is amplified to voltage preset range, generates the second analog code signal,
Export described second analog code signal.
9. method according to claim 8 is it is characterised in that described second digitally encoded signal of described storage, comprising:
Store described second digitally encoded signal according to Waveform storage address；
Described when receiving the control instruction needing to produce encoded signal, read described by described digital-to-analogue conversion module
Second digitally encoded signal, reads described second digitally encoded signal by described digital-to-analogue conversion module, comprising:
The described control instruction needing to produce encoded signal includes described Waveform storage address, needs to produce coding letter when receiving
Number control instruction when, by described digital-to-analogue conversion module according to described Waveform storage address read described second numeral compile
Code signal.
10. method according to claim 8 is it is characterised in that the described pressure-wire by described first analog code signal
Property be amplified to voltage preset range, generate the second analog code signal, comprising:
According to amplifying control parameter, the voltage linear of described first analog code signal is amplified to voltage preset range, generates the
Two analog code signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610749514.6A CN106357566B (en) | 2016-08-29 | 2016-08-29 | A kind of encoded signal production method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610749514.6A CN106357566B (en) | 2016-08-29 | 2016-08-29 | A kind of encoded signal production method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106357566A true CN106357566A (en) | 2017-01-25 |
| CN106357566B CN106357566B (en) | 2019-07-12 |
Family
ID=57855712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610749514.6A Expired - Fee Related CN106357566B (en) | 2016-08-29 | 2016-08-29 | A kind of encoded signal production method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106357566B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0863607B1 (en) * | 1997-03-03 | 2002-11-06 | Agilent Technologies, Inc. (a Delaware corporation) | Method and apparatus for linearizing an efficient class D/E power amplifier using delta modulation |
| CN101094042A (en) * | 2006-06-19 | 2007-12-26 | 上海国皓电子有限公司 | Wireless digital transmitting set based on AVS source coding |
| CN104135664A (en) * | 2014-07-01 | 2014-11-05 | 宁波摩米创新工场电子科技有限公司 | Method for digital processing of medical image |
-
2016
- 2016-08-29 CN CN201610749514.6A patent/CN106357566B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0863607B1 (en) * | 1997-03-03 | 2002-11-06 | Agilent Technologies, Inc. (a Delaware corporation) | Method and apparatus for linearizing an efficient class D/E power amplifier using delta modulation |
| CN101094042A (en) * | 2006-06-19 | 2007-12-26 | 上海国皓电子有限公司 | Wireless digital transmitting set based on AVS source coding |
| CN104135664A (en) * | 2014-07-01 | 2014-11-05 | 宁波摩米创新工场电子科技有限公司 | Method for digital processing of medical image |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106357566B (en) | 2019-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8547272B2 (en) | Charge sharing analog computation circuitry and applications | |
| CN105163262B (en) | A kind of loudspeaker sound detection method and detecting system | |
| CN100441150C (en) | Ultrasonic diagnostic apparatus | |
| EP0378590A1 (en) | Digital signal processor for providing for timbral change in arbitrary audio signals | |
| CN104247307B (en) | ultrasonic receiver front end | |
| CN105338908A (en) | Ultrasound optimization method and ultrasonic medical device therefor | |
| JP2002045359A (en) | Filter coefficient decision method, ultrasonic photographing system and its method | |
| CN111248909A (en) | Medical imaging system, method and equipment based on bioelectrical impedance tomography | |
| JPS58165443A (en) | Encoded storage device of signal | |
| CN1929300A (en) | Apparatus and method to control audio volume in D class amplifier | |
| CN106357566A (en) | Coded signal generating method and system | |
| CN113599728A (en) | Radiotherapy dose prediction method and device | |
| CN103999360B (en) | Waveform shaping for audio-frequency amplifier | |
| Norris et al. | Real-time compression of myoelectric data utilising adaptive differential pulse code modulation | |
| CN104586426B (en) | Medical image system based on ultrasonic time reversal | |
| Prado et al. | Exploratory modelling of multiple non-stationary time series: Latent process structure and decompositions | |
| Burke et al. | An accurate programmable ECG simulator | |
| CN201361043Y (en) | Beam synthesizing device for ultrasonic imaging system | |
| EP0465639A4 (en) | Time series association learning | |
| US20140236176A1 (en) | Method for mapping sensor signals to output channels for neural activation | |
| Ahmad et al. | A DSK based simplified speech processing module for Cochlear Implant research | |
| CN201046127Y (en) | Ultrasonic diagnostic device | |
| CN112530253B (en) | Human body pulse condition simulator | |
| CN102480295B (en) | Analog-to-digital converter and analog-to-digital conversion method | |
| CN101485577A (en) | Beam-forming device of ultrasound imaging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 110179 No. 177-1 Innovation Road, Hunnan District, Shenyang City, Liaoning Province Applicant after: Shenyang Neusoft Medical Systems Co.,Ltd. Address before: Hunnan New Century Road 110179 Shenyang city of Liaoning Province, No. 16 Applicant before: SHENYANG NEUSOFT MEDICAL SYSTEMS Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 |