CN209400695U - The chromacoder and Terahertz radar of Terahertz radar - Google Patents
The chromacoder and Terahertz radar of Terahertz radar Download PDFInfo
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- CN209400695U CN209400695U CN201821526350.1U CN201821526350U CN209400695U CN 209400695 U CN209400695 U CN 209400695U CN 201821526350 U CN201821526350 U CN 201821526350U CN 209400695 U CN209400695 U CN 209400695U
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Abstract
The utility model relates to a kind of chromacoder of Terahertz radar and Terahertz radars, wherein, the chromacoder of Terahertz radar includes optical signal conversion unit and microwave signal converting unit, and optical signal conversion unit includes the light reference signal source being sequentially connected in series, microwave signal generation module, the first optical modulation module, the first smooth filter module, the first optical true time delay module and the first photoelectric conversion module；Microwave signal converting unit includes the second photoelectric conversion module being sequentially connected in series, the second optical modulation module, the second optical true time delay module, the second smooth filter module and analog-to-digital conversion module.The chromacoder of above-mentioned Terahertz radar, by the way that microwave technology and photon technology are combined together, ultra-wideband microwave signal processing problems are converted into light above threshold narrow band light subprocessing problem, break the bottleneck that conventional electronics technology is difficult to break through, effectively improves the function and performance of radar.
Description
Technical field
The utility model relates to Radar Technology fields, a kind of chromacoder more particularly to Terahertz radar and
Terahertz radar including the device.
Background technique
Radar is a kind of electronic equipment using electromagnetic wave detection target, it can carry out target by transmitting electromagnetic wave
Its echo is irradiated and received, target is obtained to information such as the distance of electromagnetic emission point, range rate, orientation, height with this.
The frequency range of radar has been extended to millimeter wave at present, and with shortening for wavelength, the detection accuracy of radar can be risen with it.In radar
Continuous development during, Terahertz radar is increasingly becoming the following high-precision, anti-stealthy because of the characteristics of its wavelength is short, frequency richness
One of developing direction of radar, it is military with it is civilian on have broad application prospects.
In the prior art, Terahertz radar is generally constituted by way of solidstate electronics, that is, passes through microwave up-conversion
Mode and many times frequency multiplication mode realize Terahertz frequency range radar signal transmitting, still, electronic system is difficult to generate
It is limited with ultra-wideband radar signal and electronic device that instant bandwidth is more than 2GHz or more is handled by frequency range, is deposited in Terahertz frequency range
The problems such as big, system sensitivity is low, poor to the detectability of Weak target is lost in poor signal quality, cable transmission.Therefore, Gu
The 'bottleneck' restrictions of state electronics Terahertz radar ability it is further promotion and development.
Utility model content
Based on this, it is necessary in view of the above-mentioned problems, provide one kind be able to solve ultra-wideband microwave signal processing problems and
It is able to ascend the chromacoder of the Terahertz radar of the performance of radar and the Terahertz radar including the device.
A kind of chromacoder of Terahertz radar, including optical signal conversion unit and microwave signal converting unit,
Optical signal conversion unit includes the light reference signal source being sequentially connected in series, microwave signal generation module, the first optics tune
Molding block, the first smooth filter module, the first optical true time delay module and the first photoelectric conversion module；
Microwave signal converting unit includes the second photoelectric conversion module being sequentially connected in series, the second optical modulation module, second
Optical true time delay module, the second smooth filter module and analog-to-digital conversion module；
Light reference signal source is for generating light reference signal；
The optical signal that module is used to for light reference signal being transformed to default frequency range occurs for microwave signal；
First optical modulation module is for being modulated the optical signal of default frequency range；
First smooth filter module is used to carry out noise reduction process to modulated optical signal；
First optical true time delay module is used to carry out delay process to the optical signal after noise reduction process；
First photoelectric conversion module is used to the optical signal after delay process being converted to microwave signal, so that signal transmitting and receiving fills
Set transmission microwave signal；
Second photoelectric conversion module is used to being converted to the microwave signal after reflection that signal receiving/transmission device receives into light letter
Number；
Second optical modulation module is used to demodulate the optical signal after conversion；
Second optical true time delay module is used to carry out delay process to the optical signal after demodulation；
Second smooth filter module is used to carry out noise reduction process to the optical signal after delay process；
Analog-to-digital conversion module is used to the optical signal after noise reduction process being converted to digital signal, so that signal processing apparatus pair
Digital signal is handled.
The chromacoder of above-mentioned Terahertz radar passes through optical signal conversion unit for the light reference signal of wideband first
The microwave signal that can be sent by signal receiving/transmission device is converted to, then will be received by microwave signal converting unit again
Microwave signal is converted to optical signal and is then reconverted into digital signal, allow signal processing apparatus to the digital signal at
It manages and knows the information carried in signal.The chromacoder of above-mentioned Terahertz radar, by by microwave technology and photon skill
Art is combined together, and ultra-wideband microwave signal processing problems are converted to light above threshold narrow band light subprocessing problem, have broken routine
Electronics technologies are difficult to the bottleneck broken through, and effectively improve the function and performance of radar.
In one of the embodiments, light reference signal source also respectively with the second optical modulation module and analog-to-digital conversion module
Electrical connection, for providing light reference signal.
Light reference signal source is optical oscillato in one of the embodiments,；The light benchmark letter that optical oscillato generates
Number frequency be 100GHz-500GHz.
The first optical modulation module and the second optical modulation module respectively include phase-modulation in one of the embodiments,
Device, light intensity modulator, one of frequency modulator and light pulse modulator or a variety of.
The first optical true time delay module and the second optical true time delay module respectively include fiber delay time in one of the embodiments,
Any one of device, fiber grating delayer and optical waveguide delayer.
The first photoelectric conversion module includes uniline carrier high speed photodetector in one of the embodiments,.
Analog-to-digital conversion module is light submodule converter in one of the embodiments,；Light submodule converter
Sampling clock shake is less than 100fs.
A kind of Terahertz radar, including signal receiving/transmission device, signal processing apparatus, and such as any of the above-described embodiment institute
The chromacoder stated；
Wherein, signal receiving/transmission device respectively with the first photoelectric conversion module of chromacoder and the second photoelectric conversion mould
Block is electrically connected, for transmitting and receiving microwave signal；Signal processing apparatus respectively with the light reference signal source of chromacoder
It is electrically connected with analog-to-digital conversion module, obtains target object for handling digital signal, and according to the processing result of digital signal
Status information.
The status information of target object includes the distance of target object range transmission point, mesh in one of the embodiments,
Mark one or more information in range rate, orientation and the height of object.
Signal processing apparatus is also electrically connected with computer equipment in one of the embodiments, and computer equipment is for auxiliary
Signal processing apparatus is helped to carry out processing to digital signal and/or the status information of target object is uploaded on internet.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Terahertz radar in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
In one embodiment, as shown in Figure 1, the application provides firstly a kind of chromacoder of Terahertz radar
100, which includes optical signal conversion unit 110 and microwave signal converting unit 120.Wherein, optical signal conversion unit 110 is wrapped
Include light reference signal source 111, microwave signal occur module 112, the first optical modulation module 113, the first smooth filter module 114,
First optical true time delay module 115 and the first photoelectric conversion module 116；Microwave signal converting unit 120 includes the second photoelectric conversion
Module 121, the second optical modulation module 122, the second optical true time delay module 123, the second smooth filter module 124 and analog-to-digital conversion
Module 125.
In the present embodiment, optical signal conversion unit 110 is used to generate optical signal and converts optical signal into microwave signal,
Microwave signal after conversion can be launched in space by external signal receiving/transmission device, when the microwave signal is by space
After the reflection of some object, the microwave signal after reflection can be received by signal receiving/transmission device again, and the microwave signal received can
To be converted to optical signal by microwave signal converting unit 120, it is then reconverted into digital signal, then, microwave signal conversion
Unit 120 can send this digital signal on external signal processing apparatus, and signal processing apparatus is receiving the number
After word signal, the signal of the signal received and transmitting can be compared and be analyzed, to know testee distance letter
The information such as number distance of R-T unit, the range rate of object, orientation and height, to realize radar function.
Specifically, in optical signal conversion unit 110, the input terminal connection signal processing unit of light reference signal source 111,
Output end connects the first optical modulation module 113, and main function is the light reference signal for generating a Terahertz frequency range, the light
By being connected to the microwave signal of another input terminal of the first optical modulation module 113 transformation of module 112 can occur for reference signal
For the optical signal of a default frequency range, this default frequency range can the microwave letter according to caused by microwave signal generation module 112
It number is selected, then, the optical signal that the first optical module 113 can preset frequency range to this is modulated, so that the optical signal
Specific effective information is carried, further, the output end of the first optical module 113 can connect the first smooth filter module
The output end of 114 input terminals, the first smooth filter module 114 can connect 115 input terminal of the first optical true time delay module, wherein the
One smooth filter module 114 can carry out noise reduction process to modulated optical signal, and the first optical true time delay module 115 can be to noise reduction
Treated, and optical signal carries out delay process, and the optical signal after noise reduction and delay process can effectively promote the survey of radar
Precision is measured, such as can effectively differentiate two apart from close object, finally, the output of the first optical true time delay module 115
End can connect the input terminal of the first photoelectric conversion module 116, and the first photoelectric conversion module 116 can will be at noise reduction and delay
Optical signal after reason is converted to microwave signal, so that the microwave signal be made to be emitted to space by the transmitting terminal of signal receiving/transmission device
In.
Specifically, the input terminal connection signal of second photoelectric conversion module 121 is received in microwave signal converting unit 120
The receiving end of transmitting apparatus, for receiving the reflected microwave signal from space, then, the second photoelectric conversion module 121 can
The microwave signal received is converted to optical signal, the output end of the second photoelectric conversion module 121 can connect the second optics
The input terminal of modulation module 122, the second optical modulation module 122 can demodulate the optical signal after conversion, further
, the output end of the second optical modulation module 122 can connect the input terminal of the second optical true time delay module 123, and the second light really prolongs
When module 123 output end can connect the input terminal of the second smooth filter module 124, wherein the second optical true time delay module 123 can
To carry out delay process to the optical signal after demodulation, the second smooth filter module 124 can be carried out the optical signal after delay process
Noise reduction process, the offset and tremble that optical signal by delay process can generate in effective thermal compensation signal because being affected by atmospheric effects
It is dynamic, and the optical signal Jing Guo noise reduction process then can effectively filter the signal except default frequency range, to make to obtain high quality
Optical signal, finally, the output end of the second smooth filter module 124 can connect the output end of analog-to-digital conversion module 125, modulus turns
Mold changing block 125 can by delay and noise reduction process after optical signal be converted to digital signal, thus allow the digital signal by
Signal processing apparatus receives and processing.
The chromacoder of above-mentioned Terahertz radar passes through optical signal conversion unit for the light reference signal of wideband first
The microwave signal that can be sent by signal receiving/transmission device is converted to, then will be received by microwave signal converting unit again
Microwave signal is converted to optical signal and is then reconverted into digital signal, allow signal processing apparatus to the digital signal at
It manages and knows the information carried in signal.The chromacoder of above-mentioned Terahertz radar, by by microwave technology and photon skill
Art is combined together, and ultra-wideband microwave signal processing problems are converted to light above threshold narrow band light subprocessing problem, have broken routine
Electronics technologies are difficult to the bottleneck broken through, and effectively improve the function and performance of radar.
In one embodiment, as shown in Figure 1, light reference signal source 111 also respectively with the second optical modulation module 122 and
Analog-to-digital conversion module 125 is electrically connected, and for providing light base for the demodulating process of optical signal and the analog-digital conversion process of optical signal
Calibration signal.Specifically, it is required to use light reference signal during the modulated process of optical signal and demodulation as benchmark, so that
The modulation and demodulation process of optical signal can be carried out accurately；And in the analog-digital conversion process of optical signal, it is also desirable to use
Basis to light reference signal as time calibration, in the present embodiment, the lower analog-to-digital conversion carried out of light auxiliary have higher
Resolution ratio can effectively promote the performance of radar.
In one embodiment, light reference signal source can be optical oscillato, it is preferred that light reference signal source specifically may be used
To select optical frequency com.Specifically, optical frequency com can produce a series of uniform intervals and there is relevant stable phase angle to close
The light pulse of system uses optical frequency com as light reference signal source, can easily adjust frequency difference, makes phase noise not with load
Frequency increases and increases, and very big bandwidth may be implemented, and has apparent advantage in high band compared to electrical part.In addition, optics
The frequency for the light reference signal that oscillator generates can be between 100GHz-500GHz, it is preferred that the light that optical oscillato generates
The frequency of reference signal can be 100GHz-300GHz, and in this frequency range, optical signal processing technology is more mature, radar
It can be also more stable.
In one embodiment, the first optical modulation module and the second optical modulation module may include phase-modulation respectively
Device, light intensity modulator, one of frequency modulator and light pulse modulator or a variety of.In the present embodiment, the first optics tune
Include in molding block and the second optical modulation module more the most commonly used is phase-modulators and light intensity modulator, wherein phase
Modulator is the optical modulator for changing the phase of light according to certain rules, and light intensity modulator changes light intensity according to certain rules
Optical modulator.It, can will be some specifically, optical signal is after the modulation of the optical modulators such as phase-modulator and light intensity modulator
It carries on the Signal averaging to light reference signal of specific information, to make certain parameters such as amplitude, frequency, the phase in optical signal
Position, polarization state and duration change according to certain rules.In the present embodiment, the first optical modulation module is used for light
The modulation of signal, the second optical modulation module be used for optical signal demodulation, modulation and demodulation process opposite each other, need using
Same modulating rule and same smooth reference signal.
In one embodiment, the first optical true time delay module and the second optical true time delay module may include fiber delay time respectively
Any one of device, fiber grating delayer and optical waveguide delayer.Specifically, the principle of light delay is: the frequency of electric signal
It is extremely low for optical frequency, it can load it on optical signal, then this optical signal for being loaded with electric signal is prolonged
When, then electric signal is extracted with optical detector, the electric signal before the electric signal extracted and modulation is in addition in phase
Have outside certain delay, other features are identical, by this method, effectively can mutually tie electric signal with optical signal
It closes, radar is made to obtain superior performance.Preferably, the first optical true time delay module and the second optical true time delay module are specifically as follows
Fiber delay time device, fiber delay time device can obtain several discrete time delay values by selecting different fiber paths, transmit road
Diameter in this kind of technology, can also guarantee delay precision by accurately controlling the length of optical fiber there are many selection.
In one embodiment, the first photoelectric conversion module can be uniline carrier high speed photodetector.Wherein, uniline
Carrier optical detector (UTC-PD) is a kind of high speed photodetector only with electronics as active carrier, main function
It is incident optical signal to be converted to electric signal output, and can effectively inhibit space charge effect.Specifically, uniline current-carrying
Sub-light detector includes a highly doped light absorbing layer and a broad-band gap is low-doped or undoped electronics collecting layer, light
Absorbed layer and electronics collecting layer are spatially kept completely separate, since the band gap width of electronics collecting layer is greater than the energy of incident photon
Amount, thus electronics collecting layer be to incident light it is transparent, then, incident light can will be in the valence band of highly doped light absorbing layer
Electron excitation forms electron-hole pair, for photohole, hole is majority carrier, in its directric relaxation to conduction band
It is interior to respond to form electric current；Light induced electron is minority carrier, by the barrier effect on broad-band gap barrier layer, Zhi Nengxiang
Assemble layer diffusion, that is, forms uniline carrier.The response time of uniline carrier optical detector is mainly by electronics in absorbed layer
Diffusion time and collecting layer in drift time determine that thus uniline carrier optical detector can generate high bandwidth and full
It is a kind of efficient photoelectric converter with output electric current.
In one embodiment, analog-to-digital conversion module can be light submodule converter.Wherein, analog-digital converter is one
Kind converts analog signals into the device of digital signal, and traditional analog-digital converter is mainly electric analog-digital converter, and electric modulus turns
Parallel operation is usually in the shake of sampling clock, the transition time of sampling hold circuit, the accuracy of comparator and transistor threshold
Mismatch that there are problems with the threshold value of passive block, also, the frequency of radiofrequency signal is bigger, limitation is brighter
It is aobvious.For these defects, the light submodule converter based on photon time domain broadening supplementary structure can be very good breakthrough or more
Bottleneck, the radiofrequency signal of high speed can be carried out reduction of speed pretreatment by it, and be captured with the rate lower than nyquist sampling rate
Radiofrequency signal, to realize the processing to ultrahigh speed, big broadband signal.Compared to traditional several hundred femtosecond magnitudes of electric analog-digital converter
Sampling clock shake, photon auxiliary analog-digital converter sampling clock shake can reduce an order of magnitude or more, reach
100fs is hereinafter, so as to effectively improve the conversion accuracy of analog-digital converter.
In one embodiment, as described in Figure 1, a kind of Terahertz radar is additionally provided, which includes above-mentioned
Chromacoder 100 described in embodiment, signal receiving/transmission device 200 and signal processing apparatus 300.Wherein, signal transmitting and receiving
Device 200 further includes radiofrequency emitting module 210, Receiver Module 220, RF switch 230 and antenna 240.In this implementation
In example, the radiofrequency emitting module 210 of signal receiving/transmission device 200 and the first photoelectric conversion module 116 of chromacoder 100
Electrical connection, and the microwave signal for after converting optical signal conversion unit 110 is emitted in space by antenna 240；Signal
The Receiver Module 220 of R-T unit 200 can be electrically connected with the second photoelectric conversion module 121 of chromacoder 100,
Believe for receiving from the reflected microwave signal of object in space in a direction, and by the microwave signal transmission to microwave
Number converting unit 120, allows microwave signal converting unit 120 that microwave signal is converted to optical signal and is then reconverted into number
Signal.Further, signal processing apparatus 300 can respectively with the light reference signal source 111 and modulus of chromacoder 100
Conversion module 125 is electrically connected, on the one hand, signal processing apparatus 300 can control light reference signal source 111 and generate light benchmark letter
Number, on the other hand, the light reference signal of generation can also be compared with the digital signal received for signal processing apparatus 300
And analysis, and according to the relevant information of the comparison of digital signal and analysis result acquisition target object.Terahertz in the present embodiment
Hereby the wavelength of radar is very short, much smaller than the wavelength of microwave and millimeter wave, thus can detect the target of very little and very accurate
Positioning.
Above-mentioned Terahertz radar, frequency can be up to 300GHz or more, and bandwidth is up to 10GHz or more, and modulation rate is more
It can be up to 40GHz or more, relative to the radar of current solidstate electronics, frequency can only accomplish 300GHz or so, and bandwidth is only
For 2GHz or so, modulation rate is only in 10GHz or so.It can be seen that provided by the present embodiment too based on Microwave photonics
Hertz radar can effectively promote the function and performance of radar, be the important implementation of the following Terahertz radar.
In one embodiment, the status information of target object may include the distance of target object range transmission point, mesh
Mark the information such as range rate, orientation and the height of object.It is known that radar is a kind of electricity using electromagnetic wave detection target
Sub- equipment, it can find target with the method for radio and measure their spatial position.Specifically, radar can be by certainly
The range rate for the frequency Doppler effect measurement target object range transmission point that relative motion generates between body and target, from
And measure the action speed of object；Radar also can use the sharp azimuth beam of antenna, and by the elevation angle and apart from calculating
The height of target object out；Radar can also accurately be calculated by the time difference between measurement transmitting pulse and echo impulse
Radar is at a distance from target object.
In one embodiment, as shown in Figure 1, signal processing apparatus 300 can also be electrically connected with computer equipment 400.
Specifically, computer equipment 400 can be further processed digital signal with auxiliary signal processing unit 300, can also incite somebody to action
Range rate, orientation and the height of the distance of the target object range transmission point that signal processing apparatus 300 is got, target object
The information such as degree are uploaded on internet.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of chromacoder of Terahertz radar, which is characterized in that the chromacoder packet of the Terahertz radar
Optical signal conversion unit and microwave signal converting unit are included,
The optical signal conversion unit includes the light reference signal source being sequentially connected in series, microwave signal generation module, the first optics tune
Molding block, the first smooth filter module, the first optical true time delay module and the first photoelectric conversion module；
The microwave signal converting unit includes the second photoelectric conversion module being sequentially connected in series, the second optical modulation module, second
Optical true time delay module, the second smooth filter module and analog-to-digital conversion module；
The smooth reference signal source is for generating light reference signal；
The optical signal that module is used to for the smooth reference signal being transformed to default frequency range occurs for the microwave signal；
The first optical modulation module is for being modulated the optical signal of the default frequency range；
The first smooth filter module is used to carry out noise reduction process to modulated optical signal；
The first optical true time delay module is used to carry out delay process to the optical signal after noise reduction process；
First photoelectric conversion module is used to the optical signal after delay process being converted to microwave signal, so that signal transmitting and receiving fills
It sets and sends the microwave signal；
Second photoelectric conversion module is used to be converted to the microwave signal after reflection that the signal receiving/transmission device receives
Optical signal；
The second optical modulation module is used to demodulate the optical signal after conversion；
The second optical true time delay module is used to carry out delay process to the optical signal after demodulation；
The second smooth filter module is used to carry out noise reduction process to the optical signal after delay process；
The analog-to-digital conversion module is used to the optical signal after noise reduction process being converted to digital signal, so that signal processing apparatus pair
The digital signal is handled.
2. the chromacoder of Terahertz radar according to claim 1, which is characterized in that the smooth reference signal source
It is also electrically connected respectively with the second optical modulation module and the analog-to-digital conversion module, for providing light reference signal.
3. the chromacoder of Terahertz radar according to claim 1 or 2, which is characterized in that the smooth benchmark letter
Number source is optical oscillato；The frequency for the smooth reference signal that the optical oscillato generates is 100GHz-500GHz.
4. the chromacoder of Terahertz radar according to claim 1 or 2, which is characterized in that first optics
Modulation module and the second optical modulation module respectively include phase-modulator, light intensity modulator, frequency modulator and Guang Mai
One of pulse modulator is a variety of.
5. the chromacoder of Terahertz radar according to claim 1 or 2, which is characterized in that first light is true
Time delay module and the second optical true time delay module respectively include fiber delay time device, fiber grating delayer and optical waveguide delayer
Any one of.
6. the chromacoder of Terahertz radar according to claim 1 or 2, which is characterized in that first photoelectricity
Conversion module includes uniline carrier high speed photodetector.
7. the chromacoder of Terahertz radar according to claim 1 or 2, which is characterized in that the analog-to-digital conversion
Module is light submodule converter；The sampling clock shake of the smooth submodule converter is less than 100fs.
8. a kind of Terahertz radar, which is characterized in that the Terahertz radar includes signal receiving/transmission device, signal processing apparatus,
And such as the described in any item chromacoders of claim 1-7；
Wherein, the signal receiving/transmission device respectively with first photoelectric conversion module of the chromacoder and described
Two photoelectric conversion modules are electrically connected, for transmitting and receiving microwave signal；
The signal processing apparatus respectively with the smooth reference signal source of the chromacoder and the analog-to-digital conversion mould
Block electrical connection, the processing result for handling the digital signal, and according to the digital signal obtain the state of target object
Information.
9. Terahertz radar according to claim 8, which is characterized in that the status information of the target object includes described
One or more letters in the distance of target object range transmission point, the range rate of the target object, orientation and height
Breath.
10. Terahertz radar according to claim 9, which is characterized in that the signal processing apparatus is also set with computer
Standby electrical connection, the computer equipment is for assisting the signal processing apparatus to be handled the digital signal and/or incited somebody to action
The status information of the target object is uploaded on internet.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116683940A (en) * | 2023-08-02 | 2023-09-01 | 电子科技大学 | Ultra-wideband frequency hopping communication system based on photonic terahertz frequency hopping source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116683940A (en) * | 2023-08-02 | 2023-09-01 | 电子科技大学 | Ultra-wideband frequency hopping communication system based on photonic terahertz frequency hopping source |
| CN116683940B (en) * | 2023-08-02 | 2023-11-28 | 电子科技大学 | Ultra-wideband frequency hopping communication system based on photonic terahertz frequency hopping source |
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