CN108646243A - A kind of computed tomography scanning imager based on the orderly cloud signal of finite state machine - Google Patents
A kind of computed tomography scanning imager based on the orderly cloud signal of finite state machine Download PDFInfo
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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Abstract
The present invention proposes a kind of computed tomography scanning imager based on the orderly cloud signal of finite state machine, including the orderly cloud signal generator (1) of finite state machine, signal coupler, radiofrequency emitting module (2), switch combination module (3), receiving module and correlation interference imaging module (8)；The orderly cloud signal generator (1) of finite state machine is for generating the first orderly cloud signal；Signal coupler is used to the first orderly cloud signal being converted to the second orderly cloud signal；First orderly cloud signal is converted into radio-frequency transmissions and gone out by radiofrequency emitting module (2) for receiving the first orderly cloud signal；Switch combination module (3) is used for the work schedule of control receiver module, and is eliminated to the clutter of orderly cloud signal；Receiving module is used for orderly cloud signal into line delay and gain process, and treated, and signal is exported to correlation interference imaging module (8)；Correlation interference imaging module (8) is used to complete the tomography to detecting target.
Description
Technical field
The present invention relates to radar remote sensing technology fields, and in particular to a kind of chromatography based on the orderly cloud signal of finite state machine
Scanning imaging instrument.
Background technology
Tomographic scanner is the lossless detection instrument for detecting surface layer lower structure, it penetrates earth's surface using electromagnetic wave
Ability, the electromagnetic wave for being loaded with orderly cloud signal is internally emitted from surface layer, and electromagnetic wave is formed on the interface that dielectric property changes
Scattering, by receiving scatter echo signal, according to parameters such as its time delay, shape and spectral characteristics, solution translates target location, medium
Structure and property, on the basis of data processing, the recovery of application image and reconstruction technique are scanned at imaging target
Reason really and intuitively reproduces target under surface layer to reach.
Existing technology is returned as a result of the coherent detection technology based on shock pulse signal, CW with frequency modulation signal
Wave signal is continuously relevant, therefore is influenced always by various clutters.Clutter is usually very strong, and with change in location, it is difficult to
It eliminates, difficulty is brought to target acquisition.Almost all of existing means are all difficult to break away from above-mentioned influence.
Invention content
It is an object of the invention to solve, the noise jamming that the prior art encounters in superficial Layer Detection is strong, is difficult to eliminate
The problems such as clutter, imaging space resolution limitations, to achieve the above object, the present invention, propose a kind of orderly based on finite state machine
The computed tomography scanning imager of cloud signal, including the orderly cloud signal generator 1 of finite state machine, signal coupler, radio-frequency transmissions mould
Block 2, switch combination module 3, receiving module and correlation interference imaging module 8；
The orderly cloud signal generator 1 of finite state machine is used to generate the first orderly cloud signal,
The signal coupler, for the first orderly cloud signal to be converted to the second orderly cloud signal；Described second orderly
Cloud signal is the copy signal of the first orderly cloud signal；
The radiofrequency emitting module 2 is for receiving the described first orderly cloud signal, and by the described first orderly cloud signal
It is converted into radio frequency and launches；
The switch combination module 3 is used for the work schedule of control receiver module, and by the described second orderly cloud signal
It is exported respectively to receiving module；
The receiving module is used for the described second orderly cloud signal into line delay and gain process, treated signal,
It exports to correlation interference imaging module 8；
The correlation interference imaging module 8 is used to carry out the second orderly cloud signal after delay and gain process
AD transformation, clutter cancellation and correlation interference processing, complete the tomography to detecting target.
As a kind of improvement of described device, the orderly cloud signal generator 1 of finite state machine includes that composition is non-linear
Multichannel iterated integral device, output module 94 and the combinational multiplier 95 of closed loop self-excited circuit；
Then the multichannel iterated integral device exports unduplicated for being integrated respectively to each input signal
Dynamic has sequential signal, and it is from iteration amount signal that the dynamic, which has sequential signal,；The multichannel iterated integral device includes multiple iteration
Integrator；
The output module 94, it is described for being respectively outputted to from iteration amount signal of generating each iterated integral device integral
Combinational multiplier 95；It is additionally operable to the input terminal for feeding back to place iterated integral device from iteration amount signal of each iterated integral device；
The combinational multiplier 95, for all be multiplied two-by-two from iteration amount signal received to be formed mutual iteration amount
Then the mutual iteration amount signal is fed back to the input terminal of specified iterated integral device by signal；
Each iterated integral device includes positive-feedback circuit, for realizing self-oscillation；
The multichannel iterated integral device includes the first iterated integral device 91, secondary iteration integrator 92 and third iterative product
Divide device 93；
The first iterated integral device 91 includes first via adder circuit and first via integrator circuit；
The first via adder circuit include first via first order operational amplifier 111, first resistor, second resistance and
3rd resistor；
The first via integrator circuit includes first via second level operational amplifier 112, the 4th resistance and the first capacitance；
The first iterated integral device 91 exports the first via from iteration amount signal X；
The secondary iteration integrator 92 includes the second road adder circuit and the second road integrator circuit；
Second road adder circuit include the second tunnel first order operational amplifier 121, the 5th resistance, the 6th resistance and
7th resistance；The first via integrator circuit includes the second tunnel second level operational amplifier 122, the 8th resistance and the second electricity
Hold；The secondary iteration integrator 92 exports the second road from iteration amount signal Y；
The third iterated integral device 93 includes third road adder circuit and third road integrator circuit；The third road
Adder circuit includes third road first order operational amplifier 131, the 9th resistance, the tenth resistance and eleventh resistor；
Third road integrator circuit includes third road second level operational amplifier 132, twelfth resistor and third electricity
Hold；The third iterated integral device 93 exports third road from iteration amount signal Z；
The output module 94 includes road first via output feedback unit, the second tunnel output feedback unit and the output of third road
Feedback unit, the first via export feedback unit and the first via are fed back to the of the first iterated integral circuit 91 from iteration amount signal X
One resistance；Second tunnel exports the 5th electricity that the second road is fed back to secondary iteration integrator 92 by feedback unit from iteration amount signal Y
Resistance；Third road is fed back to the 9th resistance of third iterated integral device 93 by third road road output feedback unit from iteration amount signal Z；
The combinational multiplier 95 includes the first multiplier 151, the second multiplier 152 and third multiplier 153；
First multiplier 151 is used for the first via is multiplied from iteration amount signal Z phases with third road from iteration amount signal X
To the first mutual iteration amount signal XZ and feed back to the 6th resistance of the secondary iteration integrator 92；
Second multiplier 152 is used for the first via is multiplied from iteration amount signal X and the second road from iteration amount signal Y phases
To the second mutual iteration amount signal XY and feed back to the tenth resistance of third iterated integral device 93；
The third multiplier 153 is for the second road to be multiplied simultaneously with third road from iteration amount signal Z from iteration amount signal Y
Feedback obtains the mutual iteration amount signal YZ of third and feeds back to the second resistance of the first iterated integral device 91；
The feedback factor A1 of the first via from iteration amount signal X are in the first iterated integral device 91：
A1=RX/R1X (1)
Wherein, RXFor the resistance value of 3rd resistor, R1XFor the resistance value of first resistor；
The feedback factor B1 of the mutual iteration amount YZ of third is：
B1=RX/R2 (2)
Wherein, R2XFor the resistance value of second resistance；
Integration time constant C1 is：
C1=RXT×CXT (3)
Wherein, RXTFor the resistance value of the 4th resistance, CXTFor the capacitance of the first capacitance；
In the secondary iteration integrator 92, the feedback factor A2 of the second road from iteration amount signal Y are：
A2=RY/R1Y (4)
Wherein, RYFor the resistance value of the 7th resistance, R1YFor the resistance value of the 5th resistance；
The feedback factor B2 of second mutual iteration amount XY is：
B2=RY/R2Y (5)
Wherein, R2YFor the resistance value of the 6th resistance；
Integration time constant C2 is：
C2=RYT×CYT (6)
Wherein, RYTFor the resistance value of the 8th resistance, CYTFor the capacitance of the second capacitance；
In the third iterated integral device 93, the feedback factor A3 of third road from iteration amount signal Z are：
A3=RZ/R1Z (7)
Wherein, RZFor the resistance value of eleventh resistor, R1ZFor the resistance value of the 9th resistance；
The feedback factor B3 of first mutual iteration amount XY is：
B3=RZ/R2Z (8)
Wherein, R2ZFor the resistance value of the tenth resistance；
Integration time constant C3 is：
C3=RZT×CZT (9)
Wherein, RZTFor the resistance value of twelfth resistor, CZTFor the capacitance of third capacitance.
As a kind of improvement of described device, the radiofrequency emitting module module 2 includes：Radiofrequency launcher 21 and transmitting
Antenna 22, the radiofrequency launcher 21 receive the described first orderly cloud signal, convert it to radio frequency and amplify, output to transmitting
Antenna 22；The radiofrequency signal received is radiate by the transmitting antenna 22.
As a kind of improvement of described device, the switch combination module 3 includes：First switch 31 and second switch
32；The first switch 31 and second switch 32 carry out switch control to the second orderly cloud signal, the signal after will turn on respectively
It exports to receiving module, and then control receiver module work schedule.
As a kind of improvement of described device, the receiving module includes the first variable function generator 5, and first receives list
Member 4, the second variable function generator 7 and the second receiving unit 6；
First variable function generator 5, the second orderly cloud signal for exporting first switch 31 is into line delay
And gain process, treated signal, output to the first receiving unit 4；
First receiving unit 4 is used to carry out clutter elimination to the signal received, and outputs signal to correlation interference
Imaging module 8；
The described second orderly cloud signal that second variable function generator 7 exports second switch 32 is into line delay
And gain process, treated signal, output to second receiving unit 6；
The signal that second receiving unit 6 will receive carries out clutter elimination, outputs signal to correlation interference
Imaging module 8.
As a kind of improvement of described device, first variable function generator 5 includes：First function generator
51, the first variable delay 52 and the first variable attenuator 53；It is the first function generator 51 and first switch 31, related dry
Relate to the connection of imaging module 8；
After the first function generator 51 connects the reception first switch 31 the second orderly cloud signal for sending and
The clutter cancellation that correlation interference imaging module 8 is sent is as a result, converted, to generate having with certain Function feature
Sequence cloud signal, output to the first variable delay 52；
First variable delay 52 by it is described have the orderly cloud signal of certain Function feature into export after line delay to
First variable attenuator 53；
The time delayed signal is carried out gain-adjusted by first variable attenuator 53, and is exported to described first and connect
Receive unit 4.
As a kind of improvement of described device, first receiving unit 4 includes：First reception antenna 41, first can
Variable-gain difference amplifier 42 and the first amplifilter 43；First variable-gain differential amplifier 42 includes in-phase end and reverse phase
End；In-phase end is connect with the first variable attenuator 53；
First reception antenna 41 is exported for collecting echo-signal to the first variable-gain differential amplifier 42
Reverse side；
First variable-gain differential amplifier 42, for being carried out to the two paths of differential signals of in-phase end and reverse side
Linear operation exports the signal that operation obtains to the first amplifilter 43；
First amplifilter 43 is amplified filtering, output to correlation interference imaging mould to received signal
Block 8.
As a kind of improvement of described device, second variable function generator 7 includes：Second function generator
71, the second variable delay 72 and the second variable attenuator 73；
The second function generator 71 is connect with second switch 32 and correlation interference imaging module 8；
The second function occur 71 second switch 32 is connected after the second orderly cloud signal for sending and correlation interference at
As clutter cancellation that processing module 8 is sent as a result, being converted, to generate the orderly cloud signal with certain Function feature,
It exports to the second variable delay 72；
Second variable delay 72 will have the orderly cloud signal of certain Function feature, into line delay after output to second
Variable attenuator 73；
The time delayed signal is carried out gain-adjusted by second variable attenuator 73, and is exported to the receiving unit 6.
As a kind of improvement of described device, second receiving unit 6 includes：Second reception antenna 61, variable increasing
Beneficial difference amplifier 2 62 and the second amplifilter 63；The variable-gain differential amplifier 2 62 includes in-phase end and reverse phase
End；The in-phase end is connect with the second variable attenuator 73；
Second reception antenna 61 collects echo-signal, and exports anti-to the second variable-gain differential amplifier 62
Xiang Duan；
To reverse side and in the same direction, end two paths of differential signals carries out linear operation to second variable-gain differential amplifier 62,
Operation result is exported to the second amplifilter 63；
The signal of 63 pairs of second amplifilter is amplified filtering, output to correlation interference imaging module 8.
As a kind of improvement of described device, the correlation interference imaging module 8 includes：First ADC81, second
ADC82, clutter cancellation 83, correlation interference processor 84, orientation imaging processor 85, distance are to imaging processor 86 and layer
Analyse imaging processor 87；
First ADC81, the signal for being sent to the first amplifilter 43 carry out analog-to-digital conversion, output number
Signal is to clutter cancellation 83 and correlation interference processor 84；
2nd ADC82 is used to carry out analog-to-digital conversion, output number to the signal that the second amplifilter 63 is sent
Signal is to clutter cancellation 83 and correlation interference processor 84；
The clutter cancellation 83 is used to carry out clutter cancellation processing to the digital signal that the first ADC81 is sent, and will locate
Reason result is exported to first function generator 51, and clutter cancellation result is exported simultaneously to correlation interference processor 84；
It is additionally operable to receive the digital signal that the 2nd ADC82 is sent, clutter cancellation processing is carried out respectively to digital signal, is handled
As a result it exports to second function generator 71, clutter cancellation result is exported simultaneously to correlation interference processor 84；
The signal that the correlation interference processor 84 is sent for the first ADC81, the 2nd ADC82 and clutter cancellation 83 into
The processing of row correlation interference, and correlation interference handling result is respectively sent to orientation imaging processor 85, distance at imaging
Manage device 86 and tomography processor 87；
The orientation imaging processor 85, for carrying out orientation imaging to detection target；
The distance to imaging processor 86, for detection target into row distance to imaging；
The tomography processor 87, for carrying out tomography to detection target.
Advantage of the invention is that：
1, the present invention is based on the tomographic scanners of orderly cloud, and as a result of new signal system, signal bandwidth is not
It is limited, time ambiguity is not present, temporal resolution is high；
2, the signal auto-correlation function used the present invention is based on the tomographic scanner of orderly cloud does not have for impulse function
Secondary lobe；
3, the signal cross-correlation function used the present invention is based on the tomographic scanner of orderly cloud is zero；
4, the present invention is based on the signals that the tomographic scanner of orderly cloud uses, and there is aperiodicity, when phase-detection not to have
There is phase winding；
5, the signal used the present invention is based on the tomographic scanner of orderly cloud never repeats, and privacy degrees are high, theoretical
On can not crack, there is no information security hidden danger；
6, scanning imaging instrument of the invention has clutter recognition characteristic, and clutter can be rapidly offseted in target acquisition, dashes forward
The echo-signal from target is gone out；
7, scanning imaging instrument of the invention has ultra-broadband signal characteristic, can obtain high spatial resolution；
8, scanning imaging instrument of the invention has coherent detection and interference imaging feature, is capable of providing high-resolution and high-quality
The image of internal structure of amount.
Description of the drawings
Fig. 1 is the schematic block diagram of the computed tomography scanning imager based on the orderly cloud signal of finite state machine of the present invention；
Fig. 2 is the structure chart of the computed tomography scanning imager based on the orderly cloud signal of finite state machine in the embodiment of the present invention；
Fig. 3 is that the present invention is based on the orderly clouds of finite state machine of the computed tomography scanning imager of the orderly cloud signal of finite state machine
It produces signal and gives birth to 1 functional block diagram of device；
Fig. 4 is that the present invention is based on the orderly clouds of finite state machine of the computed tomography scanning imager of the orderly cloud signal of finite state machine
Signal generator 1.
Attached drawing identifies
1, the orderly cloud signal generator 2 of finite state machine, radiofrequency emitting module
3, switch combination module 4, the first receiving unit
5, the first variable function generator 6, the second receiving unit
7, it can be changed second function and 8, correlation interference imaging module occur
21, radiofrequency launcher 22, transmitting antenna
31, first switch 32, second switch
41, the first reception antenna 42, variable gain amplifier one
43, the first amplifilter
51, first function generator 52, the first variable delay
53, the first variable attenuator
61, the second reception antenna 62, the second variable gain amplifier
63, the second amplifilter
71, the 72, second variable delay occurs for second function
73, the second variable attenuator
81, the first ADC 82, the 2nd ADC
83, clutter cancellation 84, correlation interference processor
85, orientation imaging processor 86, distance are to imaging processor
87, tomography processor
91, the first iterated integral device 92, secondary iteration integrator
93, third iterated integral device 94, output module
95, combinational multiplier
111, first via first order operational amplifier 112, first via second level operational amplifier
121, the second tunnel first order operational amplifier 122, the second tunnel second level operational amplifier
131, third road first order operational amplifier 132, third road second level operational amplifier
R1X, first resistor resistance value R2X, second resistance resistance value
RX, 3rd resistor resistance value RXT, the 4th resistance resistance value
R1Y, the 5th resistance resistance value R2Y, the 6th resistance resistance value
RY, the 7th resistance resistance value RYT, the 8th resistance resistance value
R1Z, the 9th resistance resistance value R2Z, the tenth resistance resistance value
RZ, eleventh resistor resistance value RZT, twelfth resistor resistance value
CXT, the first capacitance capacitance CYT, the second capacitance capacitance
CZT, the capacitance 151 of third capacitance, the first multiplier
152, the second multiplier 153, third multiplier
Specific implementation mode
The present invention will be described in detail in the following with reference to the drawings and specific embodiments.
The Kind of Nonlinear Dynamical System that the orderly cloud signal of finite state machine is made of multinuclear chaos attractor, multiple stable point
The signal of generation, under initial value and the collective effect of disturbance, system mode is dissipated and is restrained along each balance vertex neighborhood, produces tool
Have never repeat, ultra wide band, aperiodic stationary state signal.Since the signal has infinite state machine, while having again and knowing
Randomness, therefore be named as the orderly cloud signal of finite state machine (Ordered Cloud Signal of Infinitive
State Machine).Referred to as orderly cloud signal (OCSISM), is international pioneering signal form, comes from project team in information
The research of safety and confrontation field, is applied successfully.
Orderly cloud signal has the unique correlation of time domain property nested with frequency domain, therefore can carry out double points of time domain and frequency domain
Solution is realized and is decomposed to detection target chromatography and spatial domain, realizes high resolution observations.
Meanwhile the capacity of decomposition of two dimensions of time and frequency zone is also very advantageous in the interference for offseting clutter, therefore in
The echo signal that clutter floods provides higher detection sensitivity.
In addition, orderly cloud signal removes cross correlation with excellent, can eliminate coherence because having finite state machine
Interference.
Orderly cloud signal has inherent rule in form with presentation in statistical property close to the characteristic of noise
Property, it convenient for control and grasps, while having superior spread spectrum nature, frequency response characteristic and correlation special than pseudo-random signal again
Property, therefore, the research and development of systems technology will exert far reaching influence in electronic information field, and commercial application will promote multiple high
Technology industry important technical is reformed, and huge economic benefit and social benefit are created.
Based on the tomographic scanner of orderly cloud, as a result of new signal system, natural clutter recognition is special
Property so that clutter rapidly offsets in target acquisition, highlight the echo from target, the ultra wide band characteristic having have pole
High spatial resolution can provide the image of internal structure of high-resolution and high quality by coherent detection and interference imaging.Have
Time unique correlation of sequence cloud signal, the Time Continuous correlation being fundamentally different from the prior art provide high-resolution
Chromatography ability so that detection clutter is successively imaged and successively offseted as CT images, can be to each including underground pipe network
Kind land burial object provides high-resolution and chromatographs image, and detection is reliable and stable.
The present invention will be described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the computed tomography scanning imager based on the orderly cloud signal of finite state machine of the present invention, the scanning imagery
Instrument includes the orderly cloud signal generator 1 of finite state machine, signal coupler, radiofrequency emitting module 2, switch combination module 3, reception
Module and correlation interference imaging module 8；
The orderly cloud signal generator 1 of finite state machine is for generating the first orderly cloud signal；
The signal coupler is used to the first orderly cloud signal being converted to the second orderly cloud signal；
The radiofrequency emitting module is connect with the orderly cloud signal generator of finite state machine, and it is orderly to receive finite state machine
The first orderly cloud signal that cloud signal generator is sent, converts it to radio frequency and launches；
The switch combination module occurs with signal coupler and the first variable function generator and the second variable function
Device connects, and controls the work schedule of two variable function generators, realizes that respective clutter eliminates function.
First receiving unit is connect with first function generator and correlation interference imaging module, receives first
The orderly cloud copy signal that variable function generator is sent is eliminated for clutter, and the first receiving unit outputs signal to related dry
Imaging module is related to, is handled for interference imaging；
First variable function generator is connect with switch combination module and the first receiving unit, orderly cloud signal warp
Switch combination module enters first function generator, and first function generator generates the orderly cloud pair of Variable delay and variable gain
This signal, output to the first receiving unit；
Second receiving unit is connect with the second variable function generator and correlation interference imaging module, is received
The orderly cloud copy signal that second variable function device is sent, is eliminated for clutter, and the second receiving unit outputs signal to phase
Interference imaging processing module is closed, is handled for interference imaging；
Second variable function generator is connect with switch combination module and the second receiving unit, orderly cloud signal warp
Switch combination module enters the second variable function generator, and the second variable function generator generates Variable delay and variable gain
Orderly cloud copy signal, output to the second receiving unit；
The correlation interference imaging module is connect with the first receiving unit and the second receiving unit, and first receives list
Member and the second receiving unit output signal to correlation interference imaging module, and correlation interference imaging module is used for two
The signal of receiving unit carries out AD transformation, clutter cancellation, relevant treatment, completes to chromatograph the high-resolution high quality for detecting target
Imaging.
As shown in Fig. 2, a kind of computed tomography scanning imaging based on the orderly cloud signal of finite state machine in the embodiment of the present invention
The structure chart of instrument.The scanning imaging instrument includes the orderly cloud signal generator 1 of finite state machine, signal coupler, radio-frequency transmissions mould
Block 2, switch combination module 3, receiving module and correlation interference imaging module 8；
Wherein, the orderly cloud signal generator 1 of the finite state machine is for generating the first orderly cloud signal；
The signal coupler is used to the first orderly cloud signal being converted to the second orderly cloud signal；
The second orderly cloud signal is sent to the first variable function generator 5 and second by switch combination module 3 can
Varying function generator 7 carries out linear operation with echo-signal, offsets earth's surface and underground clutter.
The radiofrequency emitting module 2 includes：Radiofrequency launcher 21 and transmitting antenna 22.Radiofrequency launcher 21 receives orderly
The orderly cloud signal that the input of cloud signal generator comes, converts it to radio frequency and amplifies, output to transmitting antenna 22；Transmitting antenna
22 radiate the radiofrequency signal that input comes.
The switch combination module 3 includes：First switch 31, second switch 32.First switch 31 and finite state machine
Orderly cloud generator 1 connects, and the copy signal sent to the orderly cloud generator of finite state machine 1 carries out switch control, will turn on
Signal afterwards is exported to first function generator 51；The orderly cloud generator of second switch 32 and finite state machine 1 is connect, to unlimited
The copy signal that the orderly cloud generator of state machine 1 is sent carries out switch control, and the signal after will turn on is exported to second function and sent out
Raw device 71.
First receiving unit 4 includes：First reception antenna 41, the first variable-gain differential amplifier 42, first
Amplifilter 43.First reception antenna 41 collects echo-signal, and exports to the first variable-gain differential amplifier
42, the in-phase end of the first variable-gain differential amplifier 42 is connect with the first variable attenuator 53 in variable function generator 5,
Reverse side is connect with the first reception antenna 41, and linear operation, output result to the first amplification filtering are carried out to two paths of differential signals
Device 43；The signal that first amplifilter 43 carrys out the input of the first variable-gain differential amplifier 42 is amplified filtering, exports
To the first ADC81.
The first function generator 5 includes：First function generator 51, the first variable delay 52, first are variable
Attenuator 53.First function generator 51 is connect with first switch 31, clutter cancellation 83, is received after first switch 31 is connected and is sent out
The orderly cloud copy signal come, the clutter cancellation sent according to clutter cancellation 83 meet certain Function feature as a result, generating
Orderly cloud signal, output to the first variable delay 52；First variable delay 52 receives what first function generator 51 was sent
Orderly cloud signal, exports after being delayed to the first variable attenuator 53；First variable attenuator 53 is by the first variable delay
52 time delayed signals sent carry out gain-adjusted, and export to the in-phase input end of variable gain amplifier 1.
Second receiving unit 6 includes：Second reception antenna 61, the second variable-gain differential amplifier 62, second
Amplifilter 63.Second reception antenna 61 collects echo-signal, and exports to the second variable-gain differential amplifier
62, the second variable attenuator 73 in the in-phase end of the second variable-gain differential amplifier 62 and the second variable function generator 7
Connection, reverse side are connect with the second reception antenna 61, and linear operation, output result to the second amplification are carried out to two paths of differential signals
Filter 63；The signal that second amplifilter 63 carrys out the input of the second variable-gain differential amplifier 62 is amplified filtering,
It exports to the 2nd ADC82.
Second variable function generator 7 includes：71, second variable delay 72, second occurs for second function can
Become attenuator 73.Second function occurs 71 and is connect with second switch 32, clutter cancellation 83, receives after second switch 32 is connected and sends out
The orderly cloud copy signal come, the clutter cancellation sent according to clutter cancellation 83 meet certain Function feature as a result, generating
Orderly cloud signal, output to the second variable delay 72；What the second variable delay 72 reception second function generation 71 was sent has
Sequence cloud signal exports after being delayed to the second variable attenuator 73；Second variable attenuator 73 is by the second variable delay 72
The time delayed signal sent carries out gain-adjusted, and exports to the in-phase input end of the second variable gain amplifier 62.
The correlation interference imaging module 8 includes：First ADC81, the 2nd ADC82, clutter cancellation 83, correlation
Interfere processor 84, orientation imaging processor 85, distance to imaging processor 86, tomography processor 87.Described
One ADC81 is connect with the first amplifilter 43, and analog-to-digital conversion is carried out to the analog signal that the first amplifilter 43 is sent, defeated
Go out digital signal to clutter cancellation 83 and correlation interference processor 84；2nd ADC82 and the second amplifilter 63
Connection carries out analog-to-digital conversion, output digit signals to clutter cancellation 83 to the analog signal that the second amplifilter 63 is sent
With correlation interference processor 84；The clutter cancellation 83 and the first ADC81, the 2nd ADC82, first function generator 51,
71 and the connection of correlation interference processor 84 occur for second function, and clutter cancellation 83 receives the first ADC 81 and the 2nd ADC82 hairs
The digital signal come, carries out clutter cancellation processing, handling result is exported respectively to first respectively to the signal of two receiving units
The second function generator 71 in first function generator 51 and the second variable function generator 7 in variable function generator 5,
For the output signal of control function generator, clutter cancellation result is exported simultaneously to correlation interference processor 84, for three-dimensional
The imaging in direction；The orientation imaging processor 85 is connect with correlation interference processor 84, is received at correlation interference
The associated processing outcomes that reason device 84 is sent carry out orientation imaging to detection target；The distance to imaging processor 86 with
Correlation interference processor 84 connects, and receives the associated processing outcomes that correlation interference processor 84 is sent, to detecting target into line-spacing
Descriscent is imaged；The tomography processor 87 is connect with correlation interference processor 84, is received correlation interference processor 84 and is sent out
The associated processing outcomes come carry out tomography to detection target.
As shown in figure 3, the principle of the orderly cloud signal generator of the finite state machine 1 is multichannel iterated integral device and group
Nonlinear closed loop's self-excited circuit that rideshare musical instruments used in a Buddhist or Taoist mass is constituted.Block diagram gives the schematic diagram of triple channel.
Wherein, each iterated integral device has from the feedback quantity for itself being output to input, constitutes positive-feedback circuit with reality
Existing self-oscillation；Meanwhile also first via feedback quantity is formed from combinational multiplier to self-oscillatory disturbance.
Combinational multiplier module realizes that the multiplication two-by-two of each output quantity forms mutual iteration amount, i.e. X be multiplied to obtain with Y XY, X with
Z, which is multiplied to obtain XZ, Y, to be multiplied to obtain YZ with Z.
For iterated integral device X, feedback quantity is X and YZ；
For iterated integral device Y, feedback quantity is Y and XZ；
For iterated integral device Z, feedback quantity is Z and XY.
As it can be seen that the output in each channel is from the integral of iteration amount and mutual iteration amount sum, and each amount is itself respectively
The integral function measured with other two, therefore form integral nesting, referred to as iteration.
From iteration amount mutually tangled with mutual iteration amount made of integral it is nested so that iterated integral device is not forever in repeating
Dynamic, constitute finite state machine, the certainty of circuit again so that generating signal has an inherent law and knowing property, therefore X,
Y, Z thirds road output is the orderly cloud signal of finite state machine, and is not mutually equal.
As shown in figure 4, the orderly cloud signal generator of finite state machine is accumulated by the first iterated integral device 91, secondary iteration
Device 92, third iterated integral device 93, output module 94 and combinational multiplier 95 is divided to form.
Wherein, the first iterated integral device 91 includes first via adder circuit and first via integrator circuit；By two
Grade operation amplifier circuit composition：First via first order operational amplifier 111 and first resistor, second resistance and 3rd resistor group
At the first via adder circuit；First via second level operational amplifier 112 is constituted with the 4th resistance and the first capacitance
The first via integrator circuit；The first iterated integral device 91 exports first from iteration amount signal X；
The secondary iteration integrator 92 includes the second road adder circuit and the second road integrator circuit；By two-stage calculation
Amplifier circuit forms：Second tunnel first order operational amplifier 121 and the 5th resistance, the 6th resistance and the 7th resistance constitute institute
The second road adder circuit is stated, the second tunnel second level operational amplifier 122 and the 8th resistance and the second capacitance constitute described
Two road integrator circuits；The secondary iteration integrator 92 exports second from iteration amount signal Y；
The third iterated integral device 93 includes third road adder circuit and third road integrator circuit, by two-stage calculation
Amplifier circuit forms：Third road first order operational amplifier 131 is constituted with the 9th resistance, the tenth resistance and eleventh resistor
Third road adder circuit, third road second level operational amplifier 132 and twelfth resistor and third capacitance constitute the
Three road integrator circuits；The third iterated integral device 3 exports third from iteration amount signal Z；
Output quantity is conveyed to combinational multiplier 95 respectively while the output module 94 and feeds back to iterated integral device,
The output module 94 includes that road first via output feedback unit, the second tunnel output feedback unit and third road export feedback
Member；
The first via exports the first electricity that the first via is fed back to the first iterated integral device 1 by feedback unit from iteration amount signal X
Resistance；
Second tunnel exports the 5th electricity that the second road is fed back to secondary iteration integrator 2 by feedback unit from iteration amount signal Y
Resistance；
Third road is fed back to the 9th of third iterated integral device 3 by third road road output feedback unit from iteration amount signal Z
Resistance.
The combinational multiplier 95 includes the first multiplier 151, the second multiplier 152 and third multiplier 153；
First multiplier 151 is used for the first via is multiplied from iteration amount signal Z phases with third road from iteration amount signal X
To the first mutual iteration amount signal XZ and feed back to the 6th resistance of the secondary iteration integrator 92；
Second multiplier 152 is used for the first via is multiplied from iteration amount signal X and the second road from iteration amount signal Y phases
To the second mutual iteration amount signal XY and feed back to the tenth resistance of third iterated integral device 93；
The third multiplier 153 is for the second road to be multiplied simultaneously with third road from iteration amount signal Z from iteration amount signal Y
Feedback obtains the mutual iteration amount signal YZ of third and feeds back to the second resistance of the first iterated integral device 91.
In the first iterated integral device 91, according to the ratio between the resistance value of 3rd resistor and first resistor RX/R1XDetermine
All the way from the feedback factor A1 of iteration amount X, the ratio between resistance value of 3rd resistor and second resistance RX/R2XDetermine the mutual iteration amount YZ of third
Feedback factor B1；The resistance value of 4th resistance and the first capacitance CXTCapacitance product RXT×CXTDetermine the first iterated integral
The integration time constant C1 of device 91；I.e.：
The feedback factor A1 of the first via from iteration amount signal X are in the first iterated integral device 91：
A1=RX/R1X (1)
Wherein, RXFor the resistance value of 3rd resistor, R1XFor the resistance value of first resistor；
The feedback factor B1 of the mutual iteration amount YZ of third is：
B1=RX/R2x (2)
Wherein, R2XFor the resistance value of second resistance；
Integration time constant C1 is：
C1=RXT×CXT (3)
Wherein, RXTFor the resistance value of the 4th resistance, CXTFor the capacitance of the first capacitance.
In the secondary iteration integrator 92, according to the ratio between the 7th resistance and the 5th resistance RY/R1YRatio it is true
The ratio between the resistance value of fixed feedback factor A2 of second road from iteration amount Y, the 7th resistance and the 6th resistance RY/R2YDetermine the first mutual iteration
Measure the feedback factor B2 of XZ；The product R of the resistance value of 8th resistance and the capacitance of the second capacitanceYT×CYT, determine that secondary iteration is accumulated
Divide the integration time constant C2 of device 92；I.e.：
In the secondary iteration integrator 92, the feedback factor A2 of the second road from iteration amount signal Y are：
A2=RY/R1Y (4)
Wherein, RYFor the resistance value of the 7th resistance, R1YFor the resistance value of the 5th resistance；
The feedback factor B2 of second mutual iteration amount XY is：
B2=RY/R2Y (5)
Wherein, R2YFor the resistance value of the 6th resistance；
Integration time constant C2 is：
C2=RYT×CYT (6)
Wherein, RYTFor the resistance value of the 8th resistance, CYTFor the capacitance of the second capacitance；
In the third iterated integral device 93, according to the ratio between eleventh resistor and the resistance value of the 9th resistance RZ/R1ZRatio
Value determines feedback factor A3 of the third road from iteration amount signal Z；The ratio between eleventh resistor and the resistance value of the tenth resistance RZ/R2ZIt determines
The feedback factor B3 of the mutual iteration amount XY of third；The product R of the resistance value and third capacitance value of twelfth resistorZT×CZTValue
Determine the integration time constant C3 of third iterated integral device 93；I.e.：
In the third iterated integral device 93, the feedback factor A3 of third road from iteration amount signal Z are：
A3=RZ/R1Z (7)
Wherein, RZFor the resistance value of eleventh resistor, R1ZFor the resistance value of the 9th resistance；
The feedback factor B3 of first mutual iteration amount XY is：
B3=RZ/R2Z (8)
Wherein, R2ZFor the resistance value of the tenth resistance；
Integration time constant C3 is：
C3=RZT×CZT (9)
Wherein, RZTFor the resistance value of twelfth resistor, CZTFor the capacitance of third capacitance.
The orderly cloud signal of finite state machine can be generated using foregoing circuit.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to embodiment, it will be understood by those of ordinary skill in the art that, to the technical side of the present invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Right in.
Claims (10)
1. a kind of computed tomography scanning imager based on the orderly cloud signal of finite state machine, which is characterized in that the scanning imaging instrument
Including the orderly cloud signal generator (1) of finite state machine, signal coupler, radiofrequency emitting module (2), switch combination module (3),
Receiving module and correlation interference imaging module (8)；
The orderly cloud signal generator (1) of finite state machine is used to generating and exporting the first orderly cloud signal,
The signal coupler, for generating and exporting the second orderly cloud signal；The second orderly cloud signal is first orderly
The copy signal of cloud signal；
The radiofrequency emitting module (2) becomes for receiving the described first orderly cloud signal, and by the described first orderly cloud signal
It shifts to radio frequency and launches；
The switch combination module (3) is used for the work schedule of control receiver module, and to the described second orderly cloud signal
Clutter is eliminated；It exports to receiving module；
The receiving module is used for the described second orderly cloud signal into line delay and gain process, treated signal, output
To correlation interference imaging module (8)；
The correlation interference imaging module (8), for being carried out to the second orderly cloud signal after delay and gain process
AD transformation, clutter cancellation and correlation interference processing, complete the tomography to detecting target.
2. the computed tomography scanning imager according to claim 1 based on the orderly cloud signal of finite state machine, which is characterized in that
The orderly cloud signal generator (1) of finite state machine includes the multichannel iterated integral for constituting nonlinear closed loop's self-excited circuit
Device, output module (94) and combinational multiplier (95)；
Then the multichannel iterated integral device exports unduplicated dynamic for being integrated respectively to each input signal
There is sequential signal, it is from iteration amount signal that the dynamic, which has sequential signal,；The multichannel iterated integral device includes multiple iterated integrals
Device；
The output module (94) is described for being respectively outputted to from iteration amount signal of generating each iterated integral device integral
Combinational multiplier (95)；It is additionally operable to the input for feeding back to place iterated integral device from iteration amount signal of each iterated integral device
End；
The combinational multiplier (95), for all be multiplied two-by-two from iteration amount signal received to be formed mutual iteration amount letter
Number, then the mutual iteration amount signal is fed back to the input terminal of specified iterated integral device；
Each iterated integral device includes positive-feedback circuit, for realizing self-oscillation；
The multichannel iterated integral device includes the first iterated integral device (91), secondary iteration integrator (92) and third iterative product
Divide device (93)；
The first iterated integral device (91) includes first via adder circuit and first via integrator circuit；
The first via adder circuit includes first via first order operational amplifier (111), first resistor, second resistance and
Three resistance；
The first via integrator circuit includes first via second level operational amplifier (112), the 4th resistance and the first capacitance；Institute
It states the first iterated integral device (91) and exports the first via from iteration amount signal (X)；
The secondary iteration integrator (92) includes the second road adder circuit and the second road integrator circuit；
Second road adder circuit includes the second tunnel first order operational amplifier (121), the 5th resistance, the 6th resistance and the
Seven resistance；The first via integrator circuit includes the second tunnel second level operational amplifier (122), the 8th resistance and the second electricity
Hold；The secondary iteration integrator (92) exports the second road from iteration amount signal (Y)；
The third iterated integral device (93) includes third road adder circuit and third road integrator circuit；The third road adds
Adder circuit includes third road first order operational amplifier (131), the 9th resistance, the tenth resistance and eleventh resistor；
Third road integrator circuit includes third road second level operational amplifier (132), twelfth resistor and third capacitance；
The third iterated integral device (93) exports third road from iteration amount signal (Z)；
The output module (94) includes that road first via output feedback unit, the second tunnel output feedback unit and the output of third road are anti-
Unit is presented, the first via is fed back to the first iterated integral circuit (91) by first via output feedback unit from iteration amount signal (X)
First resistor；Second road is fed back to secondary iteration integrator (92) by the second tunnel output feedback unit from iteration amount signal (Y)
5th resistance；Third road is fed back to third iterated integral device (93) by third road road output feedback unit from iteration amount signal (Z)
The 9th resistance；
The combinational multiplier (95) includes the first multiplier (151), the second multiplier (152) and third multiplier (153)；
First multiplier (151) is for the first via to be multiplied with third road from iteration amount signal (Z) from iteration amount signal (X)
It obtains the first mutual iteration amount signal (XZ) and feeds back to the 6th resistance of the secondary iteration integrator (92)；
Second multiplier (152) is for the first via to be multiplied with the second road from iteration amount signal (Y) from iteration amount signal (X)
It obtains the second mutual iteration amount signal (XY) and feeds back to the tenth resistance of third iterated integral device (93)；
The third multiplier (153) is for the second road to be multiplied with third road from iteration amount signal (Z) from iteration amount signal (Y)
And feed back the second resistance for obtaining the mutual iteration amount signal (YZ) of third and feeding back to the first iterated integral device (91)；
The feedback factor A1 of the first via from iteration amount signal (X) is in the first iterated integral device (91)：
A1=RX/R1X (1)
Wherein, RXFor the resistance value of 3rd resistor, R1XFor the resistance value of first resistor；
The feedback factor B1 of the mutual iteration amount (YZ) of third is：
B1=RX/R2 (2)
Wherein, R2XFor the resistance value of second resistance；
Integration time constant C1 is：
C1=RXT×CXT (3)
Wherein, RXTFor the resistance value of the 4th resistance, CXTFor the capacitance of the first capacitance；
In the secondary iteration integrator (92), the feedback factor A2 of the second road from iteration amount signal (Y) is：
A2=RY/R1Y (4)
Wherein, RYFor the resistance value of the 7th resistance, R1YFor the resistance value of the 5th resistance；
The feedback factor B2 of second mutual iteration amount (XY) is：
B2=RY/R2Y (5)
Wherein, R2YFor the resistance value of the 6th resistance；
Integration time constant C2 is：
C2=RYT×CYT (6)
Wherein, RYTFor the resistance value of the 8th resistance, CYTFor the capacitance of the second capacitance；
In the third iterated integral device (93), the feedback factor A3 of third road from iteration amount signal (Z) is：
A3=RZ/R1Z (7)
Wherein, RZFor the resistance value of eleventh resistor, R1ZFor the resistance value of the 9th resistance；
The feedback factor B3 of first mutual iteration amount (XY) is：
B3=RZ/R2Z (8)
Wherein, R2ZFor the resistance value of the tenth resistance；
Integration time constant C3 is：
C3=RZT×CZT (9)
Wherein, RZTFor the resistance value of twelfth resistor, CZTFor the capacitance of third capacitance.
3. the computed tomography scanning imager according to claim 2 based on the orderly cloud signal of finite state machine, which is characterized in that
The radiofrequency emitting module (2) includes：Radiofrequency launcher (21) and transmitting antenna (22), the radiofrequency launcher (21) receive
The first orderly cloud signal, converts it to radio frequency and amplifies, output to transmitting antenna (22)；The transmitting antenna (22) will
The radiofrequency signal received is radiate.
4. the computed tomography scanning imager according to claim 3 based on the orderly cloud signal of finite state machine, which is characterized in that
The switch combination module (3) includes：First switch (31) and second switch (32)；The first switch (31) and second is opened
It closes (32) and switch control is carried out to the second orderly cloud signal, the signal after will turn on respectively is exported to receiving module, and then is controlled
Receiving module work schedule.
5. the computed tomography scanning imager according to claim 4 based on the orderly cloud signal of finite state machine, which is characterized in that
The receiving module include the first variable function generator (5), the first receiving unit (4), the second variable function generator (7) and
Second receiving unit (6)；
First variable function generator (5), for the second orderly cloud signal for exporting first switch (31) into line delay
And gain process, treated signal, output to the first receiving unit (4)；
First receiving unit (4) is used to carry out clutter elimination to the signal that receives, and output signal to correlation interference at
As processing module (8)；
The described second orderly cloud signal that second variable function generator (7) exports second switch (32) is into line delay
And gain process, treated signal, output to second receiving unit (6)；
The signal that second receiving unit (6) will receive, carry out clutter elimination, output signal to correlation interference at
As processing module (8).
6. the computed tomography scanning imager according to claim 5 based on the orderly cloud signal of finite state machine, which is characterized in that
First variable function generator (5) includes：First function generator (51), the first variable delay (52) and first can
Become attenuator (53)；The first function generator (51) connects with first switch (31), correlation interference imaging module (8)
It connects；
After the first function generator (51) connects the reception first switch (31) the second orderly cloud signal for sending and
The clutter cancellation that correlation interference imaging module (8) is sent is as a result, converted, to generate with certain Function feature
Orderly cloud signal, output to the first variable delay (52)；
First variable delay (52) described will have the orderly cloud signal of certain Function feature into output after line delay to the
One variable attenuator (53)；
The time delayed signal is carried out gain-adjusted by first variable attenuator (53), and is exported to described first and received
Unit (4).
7. the computed tomography scanning imager according to claim 6 based on the orderly cloud signal of finite state machine, which is characterized in that
First receiving unit (4) includes：First reception antenna (41), the first variable-gain differential amplifier (42) and first are put
Big filter (43)；First variable-gain differential amplifier (42) includes in-phase end and reverse side；In-phase end can be changed with first to decline
Subtract device (53) connection；
First reception antenna (41) is exported for collecting echo-signal to the first variable-gain differential amplifier (42)
Reverse side；
First variable-gain differential amplifier (42), for the two paths of differential signals of in-phase end and reverse side into line
Property operation, the signal that operation obtains is exported to the first amplifilter (43)；
First amplifilter (43) is amplified filtering, output to correlation interference imaging module to received signal
(8)。
8. the computed tomography scanning imager according to claim 7 based on the orderly cloud signal of finite state machine, which is characterized in that
Second variable function generator (7) includes：Second function generator (71), the second variable delay (72) and second can
Become attenuator (73)；
The second function generator (71) connect with second switch (32) and correlation interference imaging module (8)；
The second function occur the second orderly cloud signal sent after (71) connect second switch (32) and correlation interference at
As the clutter cancellation that processing module (8) is sent is as a result, converted, to generate the orderly cloud letter with certain Function feature
Number, output to the second variable delay (72)；
Second variable delay (72) will have the orderly cloud signal of certain Function feature, into line delay after output to second can
Become attenuator (73)；
The time delayed signal is carried out gain-adjusted by second variable attenuator (73), and is exported to the receiving unit (6).
9. the computed tomography scanning imager according to claim 8 based on the orderly cloud signal of finite state machine, which is characterized in that
Second receiving unit (6) includes：Second reception antenna (61), variable-gain differential amplifier two (62) and the second amplification
Filter (63)；The variable-gain differential amplifier two (62) includes in-phase end and reverse side；The in-phase end and second can
Become attenuator (73) to connect；
Second reception antenna (61) collects echo-signal, and exports anti-to the second variable-gain differential amplifier (62)
Xiang Duan；
To reverse side and in the same direction, end two paths of differential signals carries out linear operation, fortune to second variable-gain differential amplifier (62)
Result is calculated to export to the second amplifilter (63)；
Second amplifilter (63) to signal be amplified filtering, output to correlation interference imaging module (8).
10. the computed tomography scanning imager according to claim 9 based on the orderly cloud signal of finite state machine, feature exist
In the correlation interference imaging module (8) includes：First ADC (81), the 2nd ADC (82), clutter cancellation (83),
Correlation interference processor (84), orientation imaging processor (85), distance are to imaging processor (86) and tomography processor
(87)；
First ADC (81), the signal for being sent to the first amplifilter (43) carry out analog-to-digital conversion, output number
Signal is to clutter cancellation (83) and correlation interference processor (84)；
2nd ADC (82) is used to carry out analog-to-digital conversion, output number to the signal that the second amplifilter (63) is sent
Signal is to clutter cancellation (83) and correlation interference processor (84)；
The clutter cancellation (83) is used to carry out clutter cancellation processing to the digital signal that the first ADC (81) is sent, and will locate
Reason result is exported to first function generator (51), and clutter cancellation result is exported simultaneously to correlation interference processor (84)；
It is additionally operable to receive the digital signal that the 2nd ADC (82) is sent, clutter cancellation processing, processing knot is carried out respectively to digital signal
Fruit exports to second function generator (71), and clutter cancellation result is exported simultaneously to correlation interference processor (84)；
The letter that the correlation interference processor (84) sends for the first ADC (81), the 2nd ADC (82) and clutter cancellation (83)
Number carry out correlation interference processing, and by correlation interference handling result be respectively sent to orientation imaging processor (85), distance to
Imaging processor (86) and tomography processor (87)；
The orientation imaging processor (85), for carrying out orientation imaging to detection target；
The distance to imaging processor (86), for detection target into row distance to imaging；
The tomography processor (87), for carrying out tomography to detection target.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081359A (en) * | 2011-02-11 | 2011-06-01 | 江西理工大学 | DSP Builder-based time-varying delay hyperchaos digital circuit design method and circuit |
| CN102313885A (en) * | 2010-06-30 | 2012-01-11 | 中国科学院电子学研究所 | Multi-dimensional microwave imaging system and method |
| CN102662191A (en) * | 2012-06-05 | 2012-09-12 | 上海通振建设工程有限公司 | Underground pipeline tomography system for underground space |
| JP2014016181A (en) * | 2012-07-06 | 2014-01-30 | Canon Inc | Optical coherence tomographic imaging apparatus |
| CN104536052A (en) * | 2014-12-22 | 2015-04-22 | 武汉市工程科学技术研究院 | Pseudorandom spectrum-spread electromagnetic wave tomographic imaging instrument and method for achieving imaging |
| CN107300720A (en) * | 2017-06-20 | 2017-10-27 | 太原理工大学 | Underground non-metal line detector and method based on polarization chaotic radar |
-
2018
- 2018-07-13 CN CN201810767386.7A patent/CN108646243B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313885A (en) * | 2010-06-30 | 2012-01-11 | 中国科学院电子学研究所 | Multi-dimensional microwave imaging system and method |
| CN102081359A (en) * | 2011-02-11 | 2011-06-01 | 江西理工大学 | DSP Builder-based time-varying delay hyperchaos digital circuit design method and circuit |
| CN102662191A (en) * | 2012-06-05 | 2012-09-12 | 上海通振建设工程有限公司 | Underground pipeline tomography system for underground space |
| JP2014016181A (en) * | 2012-07-06 | 2014-01-30 | Canon Inc | Optical coherence tomographic imaging apparatus |
| CN104536052A (en) * | 2014-12-22 | 2015-04-22 | 武汉市工程科学技术研究院 | Pseudorandom spectrum-spread electromagnetic wave tomographic imaging instrument and method for achieving imaging |
| CN107300720A (en) * | 2017-06-20 | 2017-10-27 | 太原理工大学 | Underground non-metal line detector and method based on polarization chaotic radar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116339899A (en) * | 2023-05-29 | 2023-06-27 | 内江师范学院 | Desktop icon management method and device based on artificial intelligence |
| CN116339899B (en) * | 2023-05-29 | 2023-08-01 | 内江师范学院 | Desktop icon management method and device based on artificial intelligence |
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