CN110471059A - A kind of miniaturization mm-wave imaging radar installations - Google Patents
A kind of miniaturization mm-wave imaging radar installations Download PDFInfo
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- CN110471059A CN110471059A CN201910768519.7A CN201910768519A CN110471059A CN 110471059 A CN110471059 A CN 110471059A CN 201910768519 A CN201910768519 A CN 201910768519A CN 110471059 A CN110471059 A CN 110471059A
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
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- Radar Systems Or Details Thereof (AREA)
Abstract
The invention proposes a kind of miniaturization mm-wave imaging radar installations, and radar installations includes monolithic integrated microwave circuit and antenna radiation unit.Monolithic integrated microwave circuit includes multiplex transmission system and multipath reception system, and antenna radiation unit is made of transmitting antenna radiating element and receiving antenna radiating element；Emission system includes that module occurs for multiplex power amplifier module, multichannel electronic phase shifter module and millimeter-wave signal, and reception system includes multichannel millimeter wave receiving module and multichannel intermediate frequency amplification module；The signal of multiplex power amplifier module output is radiated space by transmitting antenna radiating element, receiving antenna radiating element transfers signals to low-noise amplifier, the signal received is transferred to frequency mixer by low-noise amplifier, and by treated, signal is transferred to multichannel intermediate frequency amplification module to frequency mixer.Mm-wave imaging radar installations proposed by the present invention uses monolithic integrated microwave circuit, simplifies structure, reduces volume.
Description
Technical field
The invention belongs to radio frequency and microwave technical field, in particular to a kind of miniaturization mm-wave imaging radar installations can
Applied to fields such as automobile collision preventing, obstacle detections.
Background technique
Millimeter wave is electromagnetic wave of the locating frequency range in 30GHz~300GHz, the electromagnetic wave phase ratio with other frequency ranges, millimeter wave
Loss of signal in the adverse circumstances such as rain, mist, cloud is smaller.Because of this characteristic of millimeter wave, it is imaged and leads in radar detection
Domain has a wide range of applications, and is obtaining more and more extensive concern and research.
Traditional imaging radar device is made of antenna array and radio-frequency channel, and the mode by mechanical rotable antenna makes radar
Wave beam rotation, and then realize the function of two-dimensional imaging.The device for mechanical rotation speed is slow, and imaging is slow, and volume is larger.And milli
Metric wave imaging radar belongs to short distance imaging radar, needs to have high resolution ratio, and this requires mm-wave imaging radars
Antenna array need to possess the imaging aperture of large area.Therefore, mm-wave imaging radar need to possess many transmission channels and receive logical
Road.
To solve the above-mentioned problems, technical staff proposes several improvement projects: 1) using single transmission channel and being added
Electronic phase shifter realizes the switching of wave beam, and receiving channel is imaged using the antenna array of M row N column.2) logical using single transmitting
Road, receiving channel use the digital beam battle array of M row N column, and receiving channel can receive multiple wave beams simultaneously when work, and carry out at
Picture.Although both the above scheme uses discrete component, multiple receiving channels are constituted using phased array, image taking speed obviously becomes
Fastly, but phased array is in the same time may only generate a wave beam, if requiring height to image quality, beam switchover number can increase
Add, image taking speed can be slack-off；Meanwhile to the more demanding of follow-up signal processing apparatus.
For example, Southeast China University its application entitled " a kind of millimeter wave active near-field imaging device " (application number,
201710110407.3；Authorization Notice No., 106872975 B of CN) in patent document, it is active close to disclose a kind of millimeter wave
Field imaging device passes through control signal generator by computer using one-dimensional transmitting array antenna and one-dimensional receiving array antenna
The control signal of generation, control each high-frequency signal of transmitter and receiver are turned on and off, and realize the transversal scanning of array.The party
Although method can effectively promote millimetre-wave radar imaging covering power, which is met by the Mechanical Moving of antenna
Imaging demand, the system data acquisition time is long, and apparatus structure complicated difficult is with integrated.
For example, a kind of entitled " three-dimensional millimeter wave of the Electronic Engineering Inst., China Engineering Physics Inst in its application
Array receive-transmit system " (application number, 201610000872.7；Authorization Notice No., 105680921 B of CN) in patent document, it is open
A kind of three-dimensional millimeter wave array receive-transmit system, which includes a upward radiating surface and four
A antenna with side radiation direction face, each radiating surface are made of a two-dimentional front ends of millimeter waves array, the two dimension front ends of millimeter waves array by
Several one dimensional linear array composition.Although the array antenna cluster that the system schema uses improves the acquisition speed of data, still
Required channel is more, is equally difficult to integrate, and system complexity is high.
Summary of the invention
It is an object of the invention in view of the deficiency of the prior art, propose a kind of miniaturization mm-wave imaging thunder
Up to device, traditional mm-wave imaging radar arrangement complexity, bulky technical problem are overcome.
A kind of miniaturization mm-wave imaging radar installations, including monolithic integrated microwave circuit and antenna radiation unit, it is described
Monolithic integrated microwave circuit includes emission system and reception system, and the antenna radiation unit is by transmitting antenna radiating element and connects
Receive antenna radiation unit composition；The emission system includes multiplex power amplifier module, multichannel electronic phase shifter module and milli
Metric wave signal generating module, the multiplex power amplifier module and multichannel electronic phase shifter module correspond, in which:
The signal of the multiplex power amplifier module output is radiated space by transmitting antenna radiating element；It is described to connect
Receipts system includes multichannel millimeter wave receiving module and multichannel intermediate frequency amplification module, which includes low noise
Amplifier and frequency mixer；
The receiving antenna radiating element transfers signals to low-noise amplifier, which will receive
Signal is transferred to frequency mixer, and by treated, signal is transferred to multichannel intermediate frequency amplification module, multichannel intermediate frequency amplification module to frequency mixer
Signal is amplified and is transferred to base band.
In the claims, the local oscillation signal that module output occurs for the millimeter-wave signal is transferred to one of frequency mixer
Input terminal is transferred to another input terminal of frequency mixer through the amplified signal of low-noise amplifier.
In the claims, the transmitting antenna radiating element is placed in parallel with receiving antenna radiating element.
In the claims, the transmitting antenna radiating element and receiving antenna radiating element are the series feed groove profile day of micro-strip
Line, operating frequency of antenna 77-81GHz.
Compared with the prior art, the present invention has the following advantages
1, the present invention uses monolithic integrated microwave circuit, including emission system and reception system, constitutes complete millimeter
Wave imaging radar radio-frequency front-end；Compared with prior art, while guaranteeing radio-frequency front-end performance, overcome in the prior art at
As the technical problem that radar structure of radio-frequency front end is complicated, bulky, the structure of imaging radar device is simplified, imaging is reduced
The volume of radar installations.
2, the monolithic integrated microwave circuit emission system in the present invention includes multiplex power amplifier module, multichannel electronic shifting
Module occurs for phase device module and millimeter-wave signal, wherein multichannel electronic phase shifter module can make millimeter-wave signal that module occur
The mobile fixed angle of the signal phase of generation, and then the quick phase shift of signal for giving off transmitting antenna radiating element, overcome
The technical problem slow using the mobile scheme beam scanning of aerial mechanical in the prior art, realizes the quick scanning of wave beam, In
Guarantee to accelerate image taking speed while image quality.
Detailed description of the invention
Fig. 1 is imaging radar device overall structure diagram of the present invention；
Fig. 2 is that imaging radar device single channel emission system of the present invention and single channel receive system structure diagram；
Fig. 3 is imaging radar device antenna radiation unit structural schematic diagram of the present invention；
Fig. 4 is the scrnario testing figure of imaging radar device corner reflector of the present invention；
Fig. 5 is the imaging results figure of imaging radar device corner reflector of the present invention.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail:
Embodiment
Referring to figure 1, figure 2 and figure 3
A kind of miniaturization mm-wave imaging radar installations, including monolithic integrated microwave circuit 1 and antenna radiation unit 2, institute
Stating monolithic integrated microwave circuit includes emission system 1.1 and reception system 1.2, and the antenna radiation unit 2 is by transmitting antenna spoke
It penetrates unit 2.1 and receiving antenna radiating element 2.2 forms；The emission system 1.1 includes multiplex power amplifier module
1.1.1, module 1.1.3, the multiplex power amplifier module occur for multichannel electronic phase shifter module 1.1.2 and millimeter-wave signal
1.1.1 it is corresponded with multichannel electronic phase shifter module 1.1.2, in which:
The signal of the multiplex power amplifier module 1.1.1 output is radiated sky by transmitting antenna radiating element 2.1
Between；The reception system 1.2 includes multichannel millimeter wave receiving module 1.2.1 and multichannel intermediate frequency amplification module 1.2.2, multichannel milli
Metric wave receiving module 1.2.1 includes low-noise amplifier 1.2.1.1 and frequency mixer 1.2.1.2；
The receiving antenna radiating element 2.2 transfers signals to low-noise amplifier 1.2.1.1, the low-noise amplifier
1.2.1.1 the signal received is transferred to frequency mixer 1.2.1.2, frequency mixer 1.2.1.2 will treated that signal is transferred to is more
Signal is amplified and is transferred to base band by road intermediate frequency amplification module 1.2.2, multichannel intermediate frequency amplification module 1.2.2.
Imaging radar equipments overall structure of the present invention, including monolithic integrated microwave circuit 1 and antenna radiation unit 2.At
As in radar installations structure, using four monolithic integrated microwave circuits 1 and cascade processing is carried out altogether.Monolithic integrated microwave circuit 1
System 1.2 is received including 12 tunnels of tunnel emission system 1.1 and 16, wherein emission system 1.1 includes multiplex power amplifier module
1.1.1, module 1.1.3 occurs for multichannel electronic phase shifter module 1.1.2 and millimeter-wave signal, and receiving system 1.2 includes multichannel milli
Metric wave receiving module 1.2.1 and multichannel intermediate frequency amplification module 1.2.2.Antenna radiation unit 2 includes transmitting antenna radiating element 2.1
With receiving antenna radiating element 2.2.
The local oscillation signal that module 1.1.3 output occurs for the millimeter-wave signal be transferred to frequency mixer 1.2.1.2 one is defeated
Enter end, another input terminal of frequency mixer 1.2.1.2 is transferred to through the amplified signal of low-noise amplifier 1.2.1.1.
The transmitting antenna radiating element 2.1 is placed in parallel with receiving antenna radiating element 2.2.Transmitting antenna radiating element
2.1 are placed in parallel with receiving antenna radiating element 2.2 and can make receiving antenna radiating element 2.2 is loss-free to receive transmitting day
The signal that beta radiation unit 2.1 gives off.
The transmitting antenna radiating element 2.1 and receiving antenna radiating element 2.2 are the series feed slot type antenna of micro-strip, antenna work
Working frequency is 77~81GHz.
Referring to fig. 4 and Fig. 5
Fig. 4 is test scene figure of the mm-wave imaging radar installations in microwave dark room.It is to inhale wave material around test darkroom
Material places imaging radar installations in the one end in darkroom, and two corner reflectors are placed on the opposite of device, and the first corner reflector is opposite
It is x-axis to -0.5m in mm-wave imaging radar installations position, y-axis is to 4.5m, and the second corner reflector is relative to mm-wave imaging thunder
It is x-axis to 0m up to setting position, y-axis carries out imaging experiment to corner reflector to 5m, using imaging radar device.
Fig. 5 is the imaging results of mm-wave imaging radar installations, and in figure, x-axis coordinate is object horizontal position, y-axis coordinate
For object upright position, circle includes two dotted imaging results, remaining point target is noise desultory point.It is as the result is shown
First corner reflector coordinate is (- 0.4m, 4.5m), and the second corner reflector coordinate is (0,5m), and two corner reflectors are in figure
Two point targets.Test result and actual scene coincide.
In conclusion mm-wave imaging radar installations proposed by the invention, compared with traditional imaging radar device, knot
Structure is simple, small volume；12 × 16 Receiver aperture, imaging results are realized using 12 transmission channels and 16 receiving channels
It coincide with actual measurement scene.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (4)
1. a kind of miniaturization mm-wave imaging radar installations, including monolithic integrated microwave circuit (1) and antenna radiation unit (2),
The monolithic integrated microwave circuit includes emission system (1.1) and receives system (1.2), and the antenna radiation unit (2) is by sending out
Penetrate antenna radiation unit (2.1) and receiving antenna radiating element (2.2) composition, it is characterised in that: emission system (1.1) packet
It includes multiplex power amplifier module (1.1.1), multichannel electronic phase shifter module (1.1.2) and millimeter-wave signal and module occurs
(1.1.3), the multiplex power amplifier module (1.1.1) and multichannel electronic phase shifter module (1.1.2) correspond, in which:
The signal of multiplex power amplifier module (1.1.1) output is radiated sky by transmitting antenna radiating element (2.1)
Between；The reception system (1.2) includes multichannel millimeter wave receiving module (1.2.1) and multichannel intermediate frequency amplification module (1.2.2), is somebody's turn to do
Multichannel millimeter wave receiving module (1.2.1) includes low-noise amplifier (1.2.1.1) and frequency mixer (1.2.1.2)；
The receiving antenna radiating element (2.2) transfers signals to low-noise amplifier (1.2.1.1), the low-noise amplifier
The signal received is transferred to frequency mixer (1.2.1.2) by (1.2.1.1), and by treated, signal passes frequency mixer (1.2.1.2)
Defeated to arrive multichannel intermediate frequency amplification module (1.2.2), signal is amplified and is transferred to base band by multichannel intermediate frequency amplification module (1.2.2).
2. miniaturization mm-wave imaging radar installations according to claim 1, it is characterised in that: the millimeter-wave signal hair
The local oscillation signal of raw module (1.1.3) output is transferred to an input terminal of frequency mixer (1.2.1.2), through low-noise amplifier
(1.2.1.1) amplified signal is transferred to another input terminal of frequency mixer (1.2.1.2).
3. miniaturization mm-wave imaging radar installations according to claim 1, it is characterised in that: the transmitting antenna radiation
Unit (2.1) is placed in parallel with receiving antenna radiating element (2.2).
4. miniaturization mm-wave imaging radar installations according to claim 1, it is characterised in that: the transmitting antenna radiation
Unit (2.1) and receiving antenna radiating element (2.2) are the series feed slot type antenna of micro-strip, operating frequency of antenna 77-81GHz.
Priority Applications (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485764A (en) * | 2020-11-05 | 2021-03-12 | 中国人民解放军国防科技大学 | Retro-reflector with echo enhancement and phase shift modulation functions |
| CN113219456A (en) * | 2021-05-25 | 2021-08-06 | 北京京东方技术开发有限公司 | Millimeter wave radar system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030117310A1 (en) * | 2001-12-11 | 2003-06-26 | Nec Corporation | Radar system, method of obtaining image, control method based on image data and monitoring method using milliwaves |
| WO2007027827A2 (en) * | 2005-08-30 | 2007-03-08 | Trex Enterprises Corp. | Millimeter wave imaging unit with frequency scanning antenna |
| CN101236246A (en) * | 2007-11-21 | 2008-08-06 | 北京理工大学 | Millimeter wave miniaturized multichannel transmitting-receiving subassembly and its phase compensation process |
| CN104753516A (en) * | 2015-03-25 | 2015-07-01 | 赵冰 | Single-chip microwave integrated circuit, radio frequency front end circuit device and radar sensor device |
| CN107611577A (en) * | 2017-09-06 | 2018-01-19 | 上海通趣科技有限公司 | A kind of micro-strip array antenna based on 77GHz millimetre-wave radars |
| CN207283538U (en) * | 2017-08-18 | 2018-04-27 | 南京誉葆科技有限公司 | A kind of millimeter wave multichannel transmitting-receiving system |
| CN109407092A (en) * | 2018-12-11 | 2019-03-01 | 东南大学 | A kind of imaging radar device and imaging method |
| CN109901115A (en) * | 2019-04-04 | 2019-06-18 | 加特兰微电子科技(上海)有限公司 | The transmitting device and radar system of radar data |
-
2019
- 2019-08-20 CN CN201910768519.7A patent/CN110471059A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030117310A1 (en) * | 2001-12-11 | 2003-06-26 | Nec Corporation | Radar system, method of obtaining image, control method based on image data and monitoring method using milliwaves |
| WO2007027827A2 (en) * | 2005-08-30 | 2007-03-08 | Trex Enterprises Corp. | Millimeter wave imaging unit with frequency scanning antenna |
| CN101236246A (en) * | 2007-11-21 | 2008-08-06 | 北京理工大学 | Millimeter wave miniaturized multichannel transmitting-receiving subassembly and its phase compensation process |
| CN104753516A (en) * | 2015-03-25 | 2015-07-01 | 赵冰 | Single-chip microwave integrated circuit, radio frequency front end circuit device and radar sensor device |
| CN207283538U (en) * | 2017-08-18 | 2018-04-27 | 南京誉葆科技有限公司 | A kind of millimeter wave multichannel transmitting-receiving system |
| CN107611577A (en) * | 2017-09-06 | 2018-01-19 | 上海通趣科技有限公司 | A kind of micro-strip array antenna based on 77GHz millimetre-wave radars |
| CN109407092A (en) * | 2018-12-11 | 2019-03-01 | 东南大学 | A kind of imaging radar device and imaging method |
| CN109901115A (en) * | 2019-04-04 | 2019-06-18 | 加特兰微电子科技(上海)有限公司 | The transmitting device and radar system of radar data |
Non-Patent Citations (2)
| Title |
|---|
| 邱景辉 等: "《被动毫米波近场成像技术与应用》", 31 December 2018, 哈尔滨工业大学出版社 * |
| 陈建忠: "滤波微波器件的研究与设计", 《中国博士学位论文全文数据库 信息科技辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485764A (en) * | 2020-11-05 | 2021-03-12 | 中国人民解放军国防科技大学 | Retro-reflector with echo enhancement and phase shift modulation functions |
| CN113219456A (en) * | 2021-05-25 | 2021-08-06 | 北京京东方技术开发有限公司 | Millimeter wave radar system |
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Application publication date: 20191119 |