CN209218129U - The bionical modulation circuit of neuromorphic and communication system - Google Patents
The bionical modulation circuit of neuromorphic and communication system Download PDFInfo
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- CN209218129U CN209218129U CN201920091580.8U CN201920091580U CN209218129U CN 209218129 U CN209218129 U CN 209218129U CN 201920091580 U CN201920091580 U CN 201920091580U CN 209218129 U CN209218129 U CN 209218129U
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- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to field of communication technology, provides a kind of bionical modulation circuit of neuromorphic and communication system, the system comprises: data transmission blocks and data reception module；Target information is converted to binary data by the coding unit of data transmission blocks, the bionical modulation circuit of neuromorphic generates bionical chaotic modulation pulse according to the first analog pulse signal and binary data of the first signal source, and transmission unit sends bionical chaotic modulation pulse；Bionical chaotic modulation pulses switch is target modulation signal by the receiving unit of data reception module, counting unit counts to get object count sequence according to second analog pulse signal of the target modulation signal to second signal source, then determines target information according to object count sequence.The modulation circuit of the utility model can carry out chaos encryption to target information, and the safety of improve data transfer, anti-interference of communication system ability is strong, realizes asynchronous communication, improve the safety and stability of data transmission.
Description
Technical field
The utility model belongs to field of communication technology, is to be related to a kind of bionical modulation circuit of neuromorphic more specifically
And communication system.
Background technique
Pulse ultra-broad band (Impulse-like Radio Ultra Wide Band, IR-UWB) is the one of super-broadband tech
Kind, communicated by the way of directly transmitting short pulse signal, have frequency spectrum share, channel capacity is big, ability of anti-multipath is strong,
The features such as penetration power is strong, thus pulse ultra-broad band using more and more extensive, be mainly used in short distance mininet.
Existing communication system generally requires and completes demodulation work under the premise of synchronization, and the shorter synchronization time the better, but
The pulse width of pulse ultra-broad band transmitting is between 0.1-1ns, and pulse is extremely short and duty ratio is low, so that receiver is looking for pulse position
The synchronization time for needing to grow very much when setting；In addition, pulse ultra-broad band is mainly used in short distance mininet, transmission signal is easy quilt
Capture reduces the safety of data transmission.
Utility model content
In consideration of it, the utility model provides a kind of bionical modulation circuit of neuromorphic and communication system, it is intended to the prior art
The problem that the synchronization time of middle communication system is long, data transmission security is low.
The first aspect of the utility model embodiment provides a kind of bionical modulation circuit of neuromorphic, comprising: pulse is defeated
Enter end, decoding module, charge-discharge modules, sodium channel module and potassium channel module；
The pulse input end is connect with outside source and the charge-discharge modules, for receiving the external signal
The analog pulse signal in source, and analog pulse signal is converted into current impulse to charge to the charge-discharge modules；
The decoding module is connect with the charge-discharge modules, obtains target control for being decoded to target data
Signal is simultaneously sent to the charge-discharge modules；
The charge-discharge modules are used for according to respectively with the sodium channel module and the potassium channel wired in parallel
Target control signal, the analog pulse signal carry out charge and discharge electric forming membrane voltage；
The sodium channel module, for exporting sodium channel current when the membrane voltage is greater than the first predeterminated voltage；
The potassium channel module, for being believed according to the current impulse of the sodium channel current and pulse input end output
It number charges, exports potassium channel current when charging voltage is greater than the second predeterminated voltage；
The charge-discharge modules, the current impulse for being also used to be generated according to the pulse input end, the sodium channel current
Charging and the potassium channel current discharge, and export the bionical chaotic modulation pulse of the target data.
Optionally, the decoding module is N bit decoder；
The charge-discharge modules include: first end, 2NA control terminal, second end and 2NA charge/discharge unit；
The first end of the charge-discharge modules is connect with the pulse input end, and 2NA control terminal is decoded with described N
The output end of device connects, the first end of the charge-discharge modules respectively with the first end of the sodium channel module and the potassium channel
The first end of module connects, and the second end of the charge-discharge modules is logical with the second end of the sodium channel module and the potassium respectively
The second end of road module connects；
The 2 of the charge-discharge modulesNA control terminal and described 2NThe control terminal of a charge/discharge unit connects one to one, institute
State 2NThe first end of a charge/discharge unit is connect with the first end of the charge-discharge modules, and described 2NThe of a charge/discharge unit
Two ends are connect with the second end of the charge-discharge modules and ground terminal.
Optionally, each charge/discharge unit includes: switch element and first capacitor；
The first end of the first capacitor is connect with the first end of the charge/discharge unit, the second end of the first capacitor
It is connect with the first end of the switch element；
The second end of the switch element is connect with the control terminal of the charge/discharge unit, the third end of the switch element
It is connect with the second end of the charge/discharge unit.
Optionally, the sodium channel module includes: first end, second end, the first triode, the second triode, the first electricity
Resistance, second resistance and the power supply for simulating sodium channel balanced voltage；
The first end of the sodium channel module respectively with the first end of the charge-discharge modules and the potassium channel module
First end connection, the second end of the sodium channel module respectively with the second end of the charge-discharge modules and the potassium channel module
Second end connection；
The base stage of first triode and the first end of the sodium channel module and the collector of second triode
Connection, the collector of first triode are connect with the base stage of second triode, the emitter of first triode
By the first resistor respectively with the second end of the sodium channel module, the power supply of the simulation sodium channel balanced voltage the
Two ends are connected with ground terminal；
The collector of second triode is also connect with the first end of the sodium channel module, second triode
Emitter is connect by the second resistance with the first end of the power supply of the simulation sodium channel balanced voltage.
Optionally, the potassium channel module include: first end, second end, 3rd resistor, the 4th resistance, third transistor,
The power supply of second capacitor and simulation potassium channel balanced voltage；
The first end of the potassium channel module respectively with the first end of the charge-discharge modules and the sodium channel module
First end connection, the second end of the potassium channel module respectively with the second end of the charge-discharge modules and the sodium channel module
Second end connection；
The first end of the 3rd resistor respectively with the first end of the potassium channel module and the 4th resistance first
End connection, the second end of the 3rd resistor are connect with the collector of the third transistor；
The base stage of the third transistor first end with the second end of the 4th resistance and second capacitor respectively
Connection, the emitter of the third transistor by the power supply of the simulation potassium channel balanced voltage respectively with the potassium channel mould
The second end of block, the second end of second capacitor are connected with ground terminal.
The second aspect of the utility model embodiment provides a kind of communication system, including data transmission blocks and data connect
Module is received, it further includes such as above-described embodiment that the data transmission blocks, which include: coding unit, the first signal source and transmission unit,
Any bionical modulation circuit of neuromorphic for providing of first aspect；
The coding unit is sent to the bionical modulation electricity of the neuromorphic for target information to be converted to binary data
Road；
The bionical modulation circuit of neuromorphic, for receiving the first analog pulse signal of first signal source, root
Bionical chaotic modulation pulse is generated according to first analog pulse signal and the binary data and is sent to the transmission unit,
So that the bionical chaotic modulation pulse is sent to the data reception module by transmission unit；
The data reception module includes receiving unit, counting unit and second signal source；
The receiving unit, by by the bionical chaotic modulation pulses switch be target modulation signal be sent to it is described based on
Counting unit；
The counting unit, for receiving second analog pulse signal in the second signal source, according to the target tune
Signal processed counts second analog pulse signal, obtains object count sequence, determines institute according to the object count sequence
State target information；The frequency of first analog pulse signal and second analog pulse signal is equal.
Optionally, the transmission unit includes: the first differential circuit and sender unit；
First differential circuit obtains differential modulated pulse for carrying out differential to the bionical chaotic modulation pulse；
The sender unit, for the differential modulated pulse to be sent to the data reception module.
Optionally, the receiving unit includes: signal receiving device and the second differential circuit；
The signal receiving device, for receiving the bionical chaotic modulation pulse；
Second differential circuit, for the bionical chaotic modulation pulses switch to be sent to institute for target modulation signal
State counting unit.
Optionally, first signal source and second signal source include: cipher key register and impulse generator；
The cipher key register, for sending frequency control signal to the impulse generator, frequency control signal is used for
Control the frequency of the analog pulse signal；
The impulse generator, for sending analog pulse signal according to the frequency control signal.
The bionical modulation circuit of neuromorphic and communication system compared with prior art beneficial in the utility model embodiment
Effect is: the bionical modulation circuit strong antijamming capability of neuromorphic, at low cost, low in energy consumption, wherein decoding module is according to target
Data control charge-discharge modules charging makes charge-discharge modules both ends form membrane voltage, and sodium channel module exports sodium according to membrane voltage and leads to
Road electric current, potassium channel module export potassium channel current, and then charge-discharge modules are carried out according to sodium channel current and potassium channel current
Charge and discharge export the bionical chaotic modulation pulse of target data, i.e., have carried out chaos encryption to target data, improve target data
The safety of transmission；In communication system, bionical chaotic modulation pulses switch is target tune by the receiving unit of data reception module
Signal processed, then counting unit counts to get target according to second analog pulse signal of the target modulation signal to second signal source
Then counting sequence determines target information according to object count sequence, realizes asynchronous communication, improve the anti-dry of communications
Ability is disturbed, and then improves the safety and stability of data transmission.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the bionical modulation circuit of neuromorphic provided by the embodiment of the utility model；
Fig. 2 is the circuit diagram of the bionical modulation circuit of neuromorphic provided by the embodiment of the utility model；
Fig. 3 is the circuit diagram of current source provided by the embodiment of the utility model；
Fig. 4 is the circuit diagram of another current source provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of communication system provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of data transmission blocks provided by the embodiment of the utility model；
Fig. 7 is the structural schematic diagram of data reception module provided by the embodiment of the utility model.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the utility model embodiment.However, it will be clear to one skilled in the art that there is no these
The utility model also may be implemented in the other embodiments of detail.In other situations, omit to well-known system,
The detailed description of apparatus, circuit and method, in case unnecessary details interferes the description of the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
Embodiment one
Referring to Fig. 1, a kind of bionical modulation circuit of neuromorphic provided by the embodiment of the utility model, comprising: pulse input
End 10, decoding module 20, charge-discharge modules 30, sodium channel module 40 and potassium channel module 50.
Pulse input end 10 is connect with outside source and charge-discharge modules 30, and decoding module 20 and charge-discharge modules 30 connect
It connects, charge-discharge modules 30 are in parallel with sodium channel module 40, and sodium channel module 40 is in parallel with potassium channel module 50.
Wherein, pulse input end 10 is used to receive the analog pulse signal of the outside source, and analog pulse is believed
Current pulse signal number is converted into charge to the charge-discharge modules；Decoding module 20 is used to carry out target data
Decoding obtains target control signal and is sent to charge-discharge modules 30；Charge-discharge modules 30 are used to be believed according to the target control
Number, the analog pulse signal carry out charging form membrane voltage；Sodium channel module 40 is used to be greater than first in the membrane voltage pre-
If exporting sodium channel current when voltage；Potassium channel module 50 is used for the current pulse signal exported according to the pulse input end 10
It charges with the sodium channel current, the output potassium channel electricity when the charging voltage of the second capacitor is greater than the second predeterminated voltage
Stream；Current impulse that charge-discharge modules 30 are also used to be generated according to the pulse input end, the sodium channel current and described
Potassium channel current charges, and exports the bionical chaotic modulation pulse of the target data.
Illustratively, pulse input end 10 receives the square voltage pulse of outside source, and proportionally output phase is same
The square wave current pulse of frequency and pulsewidth, decoding module 20 decode target data to obtain target control signal, square wave electricity
Stream pulse can provide charging current for charge-discharge modules 30, and charge-discharge modules 30 select internal corresponding according to target control signal
Device charges, such as carries out charging with internal charge/discharge unit all the way according to target control signal and form membrane voltage, so
The output sodium channel current when membrane voltage is greater than the first predeterminated voltage of sodium channel module 40 (presets electricity when membrane voltage is greater than first afterwards
Q1 is opened when pressure, and Q2 is also opened, then branch where V1 is opened, and exports sodium channel current), potassium channel module 50 is according to pulse input
Pulse current and the sodium channel current charging for holding output, export potassium channel current when charging voltage is greater than the second predeterminated voltage,
The pulse current and the sodium channel current that last charge-discharge modules 30 are exported according to the pulse input end charge, and according to
The potassium channel current carries out the bionical chaotic modulation pulse of electric discharge output target data, the i.e. bionical modulation circuit root of neuromorphic
" chaotically coding " is carried out according to time interval of the target data to square-wave pulse, the bionical chaotic modulation pulse of output has neuron
Information realizes the chaos encryption to target data.
The above-mentioned bionical modulation circuit of neuromorphic, decoding module 20 control 30 charge and discharge of charge-discharge modules according to target data
30 both ends of charge-discharge modules are made to form membrane voltage, sodium channel module 40 exports sodium channel current, potassium channel module according to membrane voltage
50 output potassium channel currents, pulse current, sodium channel current and the potassium that then charge-discharge modules 30 are exported according to pulse input end
Channel current carries out charge and discharge, exports the bionical chaotic modulation pulse of target data, i.e., has carried out chaos encryption to target data,
Improve the safety of target data transmission；And the bionical modulation circuit strong antijamming capability of neuromorphic, cost is small, low in energy consumption.
In one embodiment, pulse input end 10 may include pulse input port and current pump.Referring to fig. 2, pulse is defeated
Inbound port is connect with outside source and current pump, and current pump is connect with charge-discharge modules 30.
Optionally, referring to Fig. 3, current pump may include resistance Rx1, resistance Rx2, resistance Ry1, resistance Ry2With transport and placing device U1.
Resistance Rx1First end ground connection, second end connect with the inverting input terminal of transport and placing device U1；Resistance Rx2First end and pulse input
Port connection, second end are connect with the normal phase input end of transport and placing device U1 and charge-discharge modules 30 respectively；The reverse phase of transport and placing device U1 is defeated
Enter end and passes through resistance Ry1It is connect with the output end of transport and placing device U1, the normal phase input end of transport and placing device U1 passes through resistance Ry2With transport and placing device
The output end of U1 connects.
In one embodiment, referring to fig. 4, current pump can also include resistance Rx1, resistance Rx2, resistance Rx3, capacitor Cx, electricity
Hinder Ry1, resistance Ry2, resistance Ry2, capacitor CyWith transport and placing device U2.
Resistance Ry1First end ground connection, second end respectively with the inverting input terminal of transport and placing device U2, resistance Ry2First end and
Capacitor CyFirst end connection；Resistance Ry2Second end respectively with capacitor CySecond end and resistance Ry3First end connection, electricity
Hinder Ry3Second end respectively with the output end of transport and placing device U2 and resistance Rx3First end connection；Resistance Rx1First end and pulse
Input port connection, second end respectively with the normal phase input end of transport and placing device U2, resistance Rx2First end and capacitor CxFirst end
Connection, resistance Rx2Second end respectively with capacitor CxSecond end, resistance Rx3Second end and charge-discharge modules 30 connect.
Analog pulse is converted to and is exported with the electric current of analog pulse identical frequency and pulsewidth to charge-discharge modules by current pump
30, stabilization signal while amplified signal, structure is simple, low in energy consumption.
Optionally, referring to fig. 2, decoding module 20 can be N bit decoder.Specifically, N bit decoder has N item input letter
Number line, 2NKind signal output, so can also have 2NOutput signal line.2 system number (target data) of the position N of input controls phase
Output signal line is answered to export useful signal (such as high level 1), remaining output signal line is zero, for example, target data is 010,
Decoding data is 2, then controls No. 2 output signal line outputs 1, other 7 (2N- 1, N=3) (the invalid letter of output signal line output 0
Number).One charge/discharge unit of every output signal line traffic control of N bit decoder, i.e. output signal line and charge/discharge unit are one by one
It is correspondingly connected with.
The present embodiment without limitation, can be low level decoder, such as 2 decodings to the decoding digit N of decoding module 20
Device is also possible to high bit decoder, such as 8 bit decoders.Wherein, multiple low level decoder combinations can be used in high bit decoder
It forms, such as 5 bit decoders can make two 4 bit decoders and a reverser composition.It should be understood that decoding module 20 can be to translate
Code device, or realize the decoding circuit of correlation function, the present embodiment to the specific structure of decoding module 20 without limitation.
In one embodiment, referring to fig. 2, charge-discharge modules 30 include: first end, 2NA control terminal, second end and 2NIt is a to fill
Discharge cell.
The first end of charge-discharge modules 30 is connect with pulse input end 10, and 2NA control terminal with the N bit decoder
Output end connection, i.e., 2NThe 2 of a control terminal and N bit decoderNOutput signal line connects one to one, charge-discharge modules 30
First end is connect with the first end of the first end of the sodium channel module and the potassium channel module respectively, the charge-discharge modules
Second end connect respectively with the second end of the second end of sodium channel module 40 and the potassium channel module.
The 2 of charge-discharge modules 30NA control terminal and 2NThe control terminal of a charge/discharge unit connects one to one, and described 2NIt is a
The first end of charge/discharge unit is connect with the first end of charge-discharge modules 30, and described 2NThe second end of a charge/discharge unit with
The second end of charge-discharge modules 30 is connected with ground terminal.2NIt is in parallel between a charge/discharge unit.
Optionally, each charge/discharge unit may each comprise: switch element and first capacitor.The of each charge/discharge unit
The capacitance of one capacitor is all different.
The first end of the first capacitor is connect with the first end of the charge/discharge unit, the second end of the first capacitor
It is connect with the first end of the switch element；The second end of the switch element is connect with the control terminal of the charge/discharge unit,
The third end of the switch element is connect with the second end of the charge/discharge unit.
Referring to fig. 2, the first charge/discharge unit includes switch element K1 and first capacitor C1, and the second charge/discharge unit includes opening
Element K2 and first capacitor C2 is closed, until m charge/discharge unit includes switch element Km and first capacitor Cm, wherein m=2N。
Each switch element controls a first capacitor, when the output signal line of N bit decoder exports 1, corresponding switch element
Closure, corresponding first capacitor charge and discharge, remaining charge/discharge unit disconnects, for example, target data is the 2 of 010,3 bit decoders
Output signal line output 1, the switch element K2 closure being connect with the 2nd output signal line, first capacitor C2 charge and discharge, remaining charge and discharge
Electric unit disconnects.
Optionally, such as Fig. 2, charge-discharge modules 30 can also include bleeder resistance Rn.Bleeder resistance Rn and each charge and discharge
Unit is in parallel, discharges charge/discharge unit and provides leakage path.
Above-mentioned charge-discharge modules 30 can control corresponding first capacitor charge and discharge, each first capacitor according to target data
Capacitance be all different, i.e., each target data is also different to " coding " of the time interval of analog pulse signal, realizes
Effective encryption to target data.
In one embodiment, referring to fig. 2, sodium channel module 40 includes: first end, second end, the first triode Q1, second
Triode Q2, first resistor R1, second resistance R2 and the power supply V1 for simulating sodium channel balanced voltage.Wherein simulation sodium channel balance
The power supply V1 of voltage has sodium-ion channel feature.
The first end of sodium channel module 40 is connect with the first end of the first end of charge-discharge modules 30 and potassium channel module 40,
The second end of sodium channel module 40 is connect with the second end of the second end of charge-discharge modules 30 and potassium channel module 40 respectively.First
The base stage of triode Q1 is connect with the collector of the first end of sodium channel module 40 and the second triode Q2, the first triode Q1's
Collector is connect with the base stage of the second triode Q2, the emitter of the first triode Q1 by first resistor R1 respectively with sodium channel
The second end of module 40, the second end for the power supply V1 for simulating sodium channel balanced voltage are connected with ground terminal.
The collector of second triode Q2 is also connect with the first end of sodium channel module 40, the emitter of the second triode Q2
It is connect by second resistance R2 with the first end of the power supply V1 of simulation sodium channel balanced voltage.
In one embodiment, referring to fig. 2, potassium channel module 50 includes: first end, second end, 3rd resistor R3, the 4th electricity
Hinder R4, third transistor Q3, the second capacitor Ck and the power supply V2 for simulating potassium channel balanced voltage.The first end of potassium channel module 50
It is connect respectively with the first end of the first end of charge-discharge modules 30 and sodium channel module 40, the second end difference of potassium channel module 50
It is connect with the second end of the second end of charge-discharge modules 30 and sodium channel module 40.
The first end of 3rd resistor R3 is connect with the first end of the first end of potassium channel module 50 and the 4th resistance R4 respectively,
The second end of 3rd resistor R3 is connect with the collector of third transistor Q3.
The base stage of third transistor Q3 is connect with the first end of the second end of the 4th resistance R4 and the second capacitor Ck respectively, the
The emitter of three triode Q3 is inputted with the second of potassium channel module 50 respectively by the power supply V2 of simulation potassium channel balanced voltage
It holds, the second end of the second capacitor Ck is connected with ground terminal.
In conjunction with the particular circuit configurations of the bionical modulation circuit of neuromorphic in above-described embodiment, to the neural shape of this implementation
The working principle of the bionical modulation circuit of state is illustrated, and details are as follows:
Referring to fig. 2, it process of depolarization: is charged according to analog pulse signal and target control signal to corresponding first capacitor
And membrane voltage is formed at first capacitor both ends, and membrane voltage gradually rises until the cut-in voltage more than the first triode Q1, and first
Triode Q1 conducting, the second triode Q2 are also switched on, and simulate the power supply V1 of sodium channel balanced voltage through second resistance R2 and second
Triode Q2 generates positive sodium channel current output, and membrane voltage quickly increases, and simulates biological neuron cell membrane extracellular sodium ion
It is flowed in rapidly and makes membrane voltage quickly raised process of depolarization.
Process of repolarization: sodium channel current and the analog pulse signal (current impulse) of current pump output also pass through the 4th electricity
It hinders R4 to charge to the second capacitor Ck of potassium channel module 50, when voltage the opening greater than third transistor Q3 at the second both ends capacitor Ck
When opening voltage, third transistor Q3 conducting, the power supply V2 of simulation potassium channel balanced voltage generates negative potassium channel current, the first electricity
Hold according to potassium channel current repid discharge, membrane voltage declines rapidly, and potassium ion is rapid in this process simulation neuronal cell film
It outflows and makes membrane voltage VmemThe process of repolarization quickly reduced.
Hyperpolarization process: when membrane voltage drops to threshold voltage, the first triode Q1 and the second triode Q2 cut-off, mould
The closing process of sodium-ion channel on biological neuron cell membrane is intended.When membrane voltage drops to resting potential, the second capacitor
Ck is discharged by the 4th resistance R4, and the cut-in voltage of third transistor Q3 is still greater than in the second capacitor Ck both end voltage, simulates potassium
The potassium channel current power supply V2 of channel balance voltage negative by 3rd resistor R3 and third transistor Q3 output, membrane voltage continue
It reduces, so that membrane voltage be made to be less than resting potential, simulates the hyperpolarization process of neuron membrane voltage；
The analog current pulse of current pump output continues to the first capacitor charging in charge-discharge modules 30, and opens and " go
The process of polarization process --- process of repolarization --- hyperpolarization process " generates next bionical chaotic modulation pulse.
The first end of the first end of charge-discharge modules, the first end of sodium channel module and potassium channel module, be the same end (because
To be relationship in parallel), in three first ends, the voltage of any end monitoring is membrane voltage, monitoring membrane voltage with
The bionical chaotic modulation pulse of the bionical modulation circuit output target data of the variation waveform of time, i.e. neuromorphic, neuromorphic
The process that bionical modulation circuit exports bionical chaotic modulation pulse has imitated the power scholarship and moral conduct of biological neuron action potential generation
For the time interval of the analog pulse signal of output has the characteristics that chaos distribution, has carried out the encryption of neuromorphic information, real
The bionical modulation to analog pulse signal is showed.
In above-described embodiment, decoding module 20, which controls the charging of charge-discharge modules 30 according to target data, makes charge-discharge modules 30
Both ends form membrane voltage, and sodium channel module 40 exports sodium channel current according to membrane voltage, and potassium channel module 50 exports potassium channel electricity
Stream, pulse current, sodium channel current and the potassium channel current that then charge-discharge modules 30 are generated according to current pump carry out charge and discharge,
The bionical chaotic modulation pulse of target data is exported, i.e., chaos encryption has been carried out to target data, improves target data transmission
Safety；And the bionical modulation circuit strong antijamming capability of neuromorphic, cost is small, low in energy consumption.
Embodiment two
A bionical modulation circuit of neuromorphic provided based on the above embodiment, a kind of communication system present embodiments provided
System.Referring to Fig. 5, the communication system of the present embodiment includes: data transmission blocks 100 and data reception module 200.
Data transmission blocks 100 include: coding unit 110, the first signal source 120 and transmission unit 140, further include strictly according to the facts
The bionical modulation circuit 130 of any neuromorphic of the offer of example one is provided.Coding unit 110, the first signal source 120 with neural shape
The bionical modulation circuit 130 of state connects, and the bionical modulation circuit 130 of neuromorphic is connect with transmission unit 140.
Wherein, target information is converted to binary data and is sent to the bionical modulation circuit of neuromorphic by coding unit 110
130；The bionical modulation circuit 130 of neuromorphic receives the first analog pulse signal of the first signal source 120, according to first mould
Quasi- pulse signal and the binary data generate bionical chaotic modulation pulse and are sent to transmission unit 140, so that transmission unit
The bionical chaotic modulation pulse is sent to data reception module 200 by 140.
Data reception module 200 includes receiving unit 210, counting unit 230 and second signal source 220；Receiving unit 210
It is connect with the reset terminal of counting unit 230, second signal source 220 is connect with the clock end of counting unit 230.
The bionical chaotic modulation pulses switch is that target modulation signal is sent to counting unit 230 by receiving unit 210；
Counting unit 230 receives second analog pulse signal in second signal source 220, according to the target modulation signal to described second
Analog pulse signal counts, and obtains object count sequence, determines the target information according to the object count sequence；Described
The frequency of one analog pulse signal and second analog pulse signal is equal.
Organ of the biological nervous system as cognitive functions such as sensigenous, study, memory and thinkings, information processing
The neural fusion that journey is mainly made of a large amount of neurons and nerve synapse.Action potential pulse train is utilized between neuron
Information, i.e. the time interval encoding nerve information of action potential pulse train are transmitted as signal vehicle, while between neuron
There is no synchronised clocks, so the transmitting of reliable information can be completed by not needing synchronous communication, and action potential sequence when
Between interval have the effect of chaos characteristic, it can be achieved that chaos encryption and be not easy to be decrypted.So the present embodiment imitates neuromorphic
Raw modulation circuit 130 is applied in the data transmission of communication system, it can is realized the encryption to data, also be may be implemented asynchronous
Communication.
Illustratively, target information is converted to binary data and is sent to the bionical modulation of neuromorphic by coding unit 110
Circuit 130；First analog pulse signal is modulated by bionical 130 binary data of modulation circuit of neuromorphic exports bionical mix
Ignorant modulation pulse, transmission unit 140 send the bionical chaotic modulation pulse using pulse ultra-broad band technology, ultra-wide at this time
The time interval sequence of tape pulse signal is equal to the time interval sequence between action potential；Receiving unit 210 receives pulse
And bionical chaotic modulation pulses switch is sent to the clock end of counting unit 230 for target modulation signal, counting unit 230
The second analog pulse signal is counted according to target modulation signal, object count sequence is obtained, between the time of ultra-wideband impulse signal
The time interval sequence between action potential is equal to every sequence, this time intervening sequence coded modulation 2 system of the position N of input
Number, end user compare according to the object count sequence and historical counts sequence and determine the target information.
Historical counts sequence refers to the sequence in advance obtaining multiple known data after counting.User can be by mesh
Mark counting sequence is matched with multiple historical counts sequences, determines the target information according to matching result, i.e., in history meter
Sequence identical with object count sequence is found in Number Sequence, that is, the target information has been determined.
Above-mentioned communication system, the bionical modulation circuit 130 of neuromorphic exports the bionical chaotic modulation pulse of target data, real
Show the encryption to target data, improves the safety of target data transmission；The receiving unit 210 of data reception module 200 will
Bionical chaotic modulation pulses switch is target modulation signal, and then counting unit 230 is according to target modulation signal to second signal
Second analog pulse signal in source 220 counts to get object count sequence, and user determines target information by object count sequence,
Asynchronous communication is realized, the anti-interference ability of communications is improved, and then improves the safety and stability of data transmission.
In one embodiment, referring to Fig. 6, transmission unit 140 includes: the first differential circuit 141 and sender unit
142.First differential circuit 141 is connect with the bionical modulation circuit 130 of neuromorphic, is also connect with sender unit 142.
First differential circuit 141 is used to carry out differential to the bionical chaotic modulation pulse to obtain differential modulated pulse.It can
Choosing, the first differential circuit 141 can be differential circuit, be also possible to the equipment such as differentiator.Sender unit 142 is used for will
The differential modulated pulse is sent to data reception module 200.Optionally, sender unit 142 can be ultra-wideband pulse
Transmitter.
In one embodiment, referring to Fig. 7, receiving unit 210 includes: signal receiving device 211 and the second differential circuit
212.Signal receiving device 211 is connect with the second differential circuit 212, the reset terminal of the second differential circuit 212 and counting unit 230
Connection.Second signal source 220 is connect with the clock end of counting unit 230.
Signal receiving device 211 is for receiving the bionical chaotic modulation pulse, and optionally, signal receiving device 211 can
Think ultra-wideband pulse receiver；Second differential circuit 212 is used to the bionical chaotic modulation pulses switch be target modulation
Signal is sent to counting unit 230, and optionally, the second differential circuit 212 can be differential circuit, is also possible to differentiator etc. and sets
It is standby.
In one embodiment, the first signal source 120 and second signal source 220 include: cipher key register and pulse generation
Device.Cipher key register is used to send frequency control signal to the impulse generator, and frequency control signal is for controlling the mould
The frequency of quasi- pulse signal；Impulse generator is used to send analog pulse signal according to the frequency control signal.
Referring to Fig. 6 and Fig. 7, the first signal source 120 includes cipher key register 121 and impulse generator 122, cipher key register
121 and impulse generator 122 connect, impulse generator 122 connect with the bionical modulation circuit 130 of neuromorphic；Second signal source
220 include cipher key register 221 and impulse generator 222, and cipher key register 221 and impulse generator 222 connect, pulse generation
Device 222 is connect with the clock end of counting unit 230.Different key values controls different frequencies, the frequency of analog pulse signal
Difference, then count results are also just different, referring to table 1.The key of first signal source 120 and second signal source 220 in the present embodiment
The frequency control signal of register is identical, and the frequency of the first analog pulse signal and the second analog pulse signal is equal.It is exemplary
, it is square-wave signal, 3 kinds of key values of cipher key register, 4 kinds of first capacitor values and 2 that table 1, which shows analog pulse signal,
The corresponding obtained historical counts sequence of decoder, as " the sequence dictionary " of target data.
Table 1 " sequence dictionary "
Illustratively, the square-wave pulse of cipher key register control impulse generator output first frequency, target information conversion
The first capacitor charging that the bionical modulation circuit of neuromorphic is controlled for binary data generates dynamic by the bionical modulation of neuromorphic
Make potential pulse sequence (bionical chaotic modulation pulse) output, carries out differential by the first differential circuit 141 and pass through ultra-short pulse
Rush transmitter transmission, this action potential pulse train modulated input binary data (target information), to target information into
Chaos encryption processing is gone.
Ultra-wideband pulse receiver is answered received bionical chaotic modulation pulse (target modulation signal) input counter
Position end, the square-wave pulse in second signal source are input to the clock end of counter, the rising edge flip-flop number of square-wave pulse when
Clock end counts and latches, and when target modulation signal exports a logical signal to the reset terminal of counter, counter is being received clearly
When zero-signal, first its count value is exported to control unit 240, then again resets its count value, the rising edge of square-wave pulse
The clock end of flip-flop number counts.The above process is recycled, ultra-wideband impulse signal will make 240 corresponding record one of control unit
String " count value " sequence, i.e. object count sequence, then object count sequence and multiple historical counts sequences are carried out one by user
One matching, sequence identical with object count sequence is found in historical counts sequence, that is, the target information has been determined.
As shown in Table 1, the object count sequence of target information by cipher key register the key (frequency of analog pulse signal
Rate), 2NKind first capacitor value and decoder truth table codetermine, and recording and storing this corresponding relationship, (historical data counts
Sequence), then object count sequence is matched one by one with multiple historical data counting sequences, completes bionical demodulation work,
Determine target information.
In above-described embodiment, the bionical modulation circuit 130 of neuromorphic exports the bionical chaotic modulation pulse of target data, real
Show the encryption to target data, improves the safety of target data transmission；The receiving unit 210 of data reception module 200 will
Bionical chaotic modulation pulses switch is target modulation signal, and then counting unit 230 is according to target modulation signal to second signal
Second analog pulse signal in source 220 counts to get object count sequence, then determines target information according to object count sequence,
Asynchronous communication is realized, the anti-interference ability of communications is improved, and then improves the safety and stability of data transmission.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of bionical modulation circuit of neuromorphic characterized by comprising pulse input end, decoding module, charge and discharge mould
Block, sodium channel module and potassium channel module；
The pulse input end is connect with outside source and the charge-discharge modules, for receiving the outside source
Analog pulse signal, and analog pulse signal is converted into current impulse to charge to the charge-discharge modules；
The decoding module is connect with the charge-discharge modules, obtains target control signal for being decoded to target data
And it is sent to the charge-discharge modules；
The charge-discharge modules are used for respectively with the sodium channel module and the potassium channel wired in parallel according to the target
Signal, the analog pulse signal are controlled, charge and discharge electric forming membrane voltage is carried out；
The sodium channel module, for exporting sodium channel current when the membrane voltage is greater than the first predeterminated voltage；
The potassium channel module, for according to the sodium channel current and the pulse input end output current pulse signal into
Row charging, exports potassium channel current when charging voltage is greater than the second predeterminated voltage；
The charge-discharge modules, the current impulse for being also used to be generated according to the pulse input end, sodium channel current charging
And the potassium channel current carries out charge and discharge, and exports the bionical chaotic modulation pulse of the target data.
2. the bionical modulation circuit of neuromorphic as described in claim 1, which is characterized in that the decoding module is N decodings
Device；
The charge-discharge modules include: first end, 2NA control terminal, second end and 2NA charge/discharge unit；
The first end of the charge-discharge modules is connect with the pulse input end, and 2NA control terminal is defeated with the N bit decoder
Outlet connection, the first end of the charge-discharge modules respectively with the first end of the sodium channel module and the potassium channel module
First end connection, the second end of the charge-discharge modules respectively with the second end of the sodium channel module and the potassium channel module
Second end connection；
The 2 of the charge-discharge modulesNA control terminal and described 2NThe control terminal of a charge/discharge unit connects one to one, and described 2N
The first end of a charge/discharge unit is connect with the first end of the charge-discharge modules, and described 2NThe second end of a charge/discharge unit
The second end of the described charge-discharge modules is connected with ground terminal.
3. the bionical modulation circuit of neuromorphic as claimed in claim 2, which is characterized in that each charge/discharge unit wraps
It includes: switch element and first capacitor；
The first end of the first capacitor is connect with the first end of the charge/discharge unit, the second end of the first capacitor and institute
State the first end connection of switch element；
The second end of the switch element is connect with the control terminal of the charge/discharge unit, the third end of the switch element and institute
State the second end connection of charge/discharge unit.
4. the bionical modulation circuit of neuromorphic as described in claim 1, which is characterized in that the sodium channel module includes:
One end, second end, the first triode, the second triode, first resistor, second resistance and the electricity for simulating sodium channel balanced voltage
Source；
The first end of the sodium channel module respectively with the first end of the charge-discharge modules and the potassium channel module first
End connection, the second end of the sodium channel module respectively with the second end of the charge-discharge modules and the potassium channel module the
The connection of two ends；
The base stage of first triode is connect with the collector of the first end of the sodium channel module and second triode,
The collector of first triode is connect with the base stage of second triode, and the emitter of first triode passes through institute
State first resistor respectively with the second end of the sodium channel module, it is described simulation sodium channel balanced voltage power supply second end and
Ground terminal connection；
The collector of second triode is also connect with the first end of the sodium channel module, the transmitting of second triode
Pole is connect by the second resistance with the first end of the power supply of the simulation sodium channel balanced voltage.
5. such as the bionical modulation circuit of the described in any item neuromorphics of Claims 1-4, which is characterized in that the potassium channel mould
Block includes: first end, second end, 3rd resistor, the 4th resistance, third transistor, the second capacitor and simulation potassium channel balance electricity
The power supply of pressure；
The first end of the potassium channel module respectively with the first end of the charge-discharge modules and the sodium channel module first
End connection, the second end of the potassium channel module respectively with the second end of the charge-discharge modules and the sodium channel module the
The connection of two ends；
The first end of the 3rd resistor connects with the first end of the potassium channel module and the first end of the 4th resistance respectively
It connects, the second end of the 3rd resistor is connect with the collector of the third transistor；
The base stage of the third transistor is connect with the first end of the second end of the 4th resistance and second capacitor respectively,
The emitter of the third transistor by it is described simulation potassium channel balanced voltage power supply respectively with the potassium channel module
Second end, the second end of second capacitor are connected with ground terminal.
6. a kind of communication system, including data transmission blocks and data reception module, which is characterized in that the data transmission blocks
Include: coding unit, the first signal source and transmission unit, further includes as neuromorphic described in any one of claim 1 to 5 is imitative
Raw modulation circuit；
The coding unit is sent to the bionical modulation circuit of the neuromorphic for target information to be converted to binary data；
The bionical modulation circuit of neuromorphic, for receiving the first analog pulse signal of first signal source, according to institute
It states the first analog pulse signal and the binary data generates bionical chaotic modulation pulse and is sent to the transmission unit, so that
The bionical chaotic modulation pulse is sent to the data reception module by transmission unit；
The data reception module includes receiving unit, counting unit and second signal source；
The receiving unit, for being that target modulation signal is sent to the counting list by the bionical chaotic modulation pulses switch
Member；
The counting unit is believed for receiving second analog pulse signal in the second signal source according to the target modulation
Number to second analog pulse signal count, obtain object count sequence, the mesh determined according to the object count sequence
Mark information；The frequency of first analog pulse signal and second analog pulse signal is equal.
7. communication system as claimed in claim 6, which is characterized in that the transmission unit includes: the first differential circuit and letter
Number sending device；
First differential circuit obtains differential modulated pulse for carrying out differential to the bionical chaotic modulation pulse；
The sender unit, for the differential modulated pulse to be sent to the data reception module.
8. communication system as claimed in claim 6, which is characterized in that the receiving unit includes: signal receiving device and
Two differential circuits；
The signal receiving device, for receiving the bionical chaotic modulation pulse；
Second differential circuit, by by the bionical chaotic modulation pulses switch be target modulation signal be sent to it is described based on
Counting unit.
9. such as the described in any item communication systems of claim 6 to 8, which is characterized in that first signal source and second signal
Source includes: cipher key register and impulse generator；
The cipher key register, for sending frequency control signal to the impulse generator, frequency control signal is for controlling
The frequency of the analog pulse signal；
The impulse generator, for sending analog pulse signal according to the frequency control signal.
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| CN110794673B (en) * | 2019-10-15 | 2021-06-22 | 中国科学院上海微系统与信息技术研究所 | All-digital bionic circuit and system applied to neurons |
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| CN100434931C (en) * | 2004-08-27 | 2008-11-19 | 中国科学院电子学研究所 | Method for using chaos frequency-modulated signal as pulse compression Radar signal source |
| CN105025486B (en) * | 2014-04-28 | 2019-02-26 | 腾讯科技（深圳）有限公司 | Method for connecting network and user equipment |
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