CN109633630A - A kind of E wave band millimeter wave imaging safety check radar system - Google Patents
A kind of E wave band millimeter wave imaging safety check radar system Download PDFInfo
- Publication number
- CN109633630A CN109633630A CN201811288562.5A CN201811288562A CN109633630A CN 109633630 A CN109633630 A CN 109633630A CN 201811288562 A CN201811288562 A CN 201811288562A CN 109633630 A CN109633630 A CN 109633630A
- Authority
- CN
- China
- Prior art keywords
- subsystem
- data acquisition
- module
- millimeter wave
- wave band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G01S13/887—Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
A kind of E wave band millimeter wave imaging safety check radar system, include: multiple data acquisition subsystems are separately positioned on around examining object, are emitted for generating E wave band millimeter wave to examining object, and acquire the reflection echo data of examining object；Comprehensive Signal Processing subsystem is electrically connected data acquisition subsystem, and the data for acquiring to data acquisition subsystem carry out Real-time processing；Display and control subsystem are electrically connected Comprehensive Signal Processing subsystem, carry out target detection identifying processing for the imaging results to Comprehensive Signal Processing subsystem, and be shown to user；Calibrate subsystem, the multichannel calibration of amplitude and phase for array in data acquisition subsystem；Power subsystem is electrically connected data acquisition subsystem, Comprehensive Signal Processing subsystem and display and control subsystem, for providing electric power.The present invention can realize the reliable imaging of high speed in high flow of the people Dense crowd, greatly improve the cost performance of system, so that system has very big advantage in many aspects such as complexity, cost performance, flexibilities.
Description
Technical field
The present invention relates to a kind of E wave band millimeter waves, and safety check radar system is imaged.
Background technique
Mm-wave imaging safety check radar is a kind of detected object scatter echo realization high-resolution perspective imaging of utilization, and sharp
The novel security inspection equipment hidden and carry dangerous material is detected and identified with millimeter-wave image.It is primarily present K-band and E wave band two at present
Kind mm-wave imaging safety check radar.
Traditional active MMW imaging safety check radar mostly uses the sparse MIMO array of multiple two dimensions or switch linear array scanning
Scheme is difficult to obtain balance in terms of system complexity, cost performance, system flexibility.The sparse MIMO array scheme of two dimension
Although system is flexible, data acquisition is fast, superior performance, system complex, cost performance are low；Although and switch arrays sweeping scheme
System is simple, cost performance is high but data acquisition is slow, system is not flexible.
Safety inspection method is imaged in the scope of application of detection scene in E wave band millimeter wave, detects many aspects such as the type of target
With very big advantage.
Summary of the invention
The present invention provides a kind of E wave band millimeter wave imaging safety check radar system, can be real in high flow of the people Dense crowd
The now reliable imaging of high speed, greatly improves the cost performance of system, so that system is more in complexity, cost performance, flexibility etc.
A aspect has very big advantage.
In order to achieve the above object, the present invention provides a kind of E wave band millimeter wave imaging safety check radar system, includes:
Multiple data acquisition subsystems, are separately positioned on around examining object, emit for generating E wave band millimeter wave to be checked
Object, and acquire the reflection echo data of examining object；
Comprehensive Signal Processing subsystem is electrically connected data acquisition subsystem, using universal network interchanger, Optical Interface Board
Card and GPU handle board, and the data for acquiring to data acquisition subsystem carry out real-time Transmission and Real-time processing；
Display and control subsystem are electrically connected Comprehensive Signal Processing subsystem, using general PC PC, for pair
The imaging results of Comprehensive Signal Processing subsystem carry out target detection identifying processing, and are shown to user；
Calibrate subsystem, the multichannel calibration of amplitude and phase for array in data acquisition subsystem；
Power subsystem is electrically connected data acquisition subsystem, Comprehensive Signal Processing subsystem and display and control subsystem,
For providing electric power.
The data acquisition subsystem includes: mechanical scanning module, and the data being arranged in mechanical scanning module
Acquisition module, data acquisition module are electrically connected Comprehensive Signal Processing subsystem, and mechanical scanning module drives data acquisition module
It pumps, realizes the comprehensive data acquisition to examining object.
The mechanical scanning module includes:
Linear motor single axis robot can pump；
Signal acquisition component fixed cross beam, is fixed on linear motor single axis robot, acquires mould for installation data
Block；
Driver is used to drive linear motor single axis robot.
The effective travel of the mechanical scanning module includes: at the uniform velocity area, top acceleration and deceleration area, lower part acceleration and deceleration area and school
Quasi- area, wherein at the uniform velocity area is located at stroke central location, for being imaged, top acceleration and deceleration area and lower part acceleration and deceleration area are located at stroke two
End for motor starting and stops, and calibration region partly overlaps with top acceleration and deceleration area, is used for arrayed multi-channel calibration of amplitude and phase.
The data acquisition module includes:
Antenna receives and dispatches array module, is arranged on signal acquisition component fixed cross beam, has transmitting antenna comprising multiple and connects
The small-sized mimo antenna submatrix for receiving antenna, for emitting E wave band millimeter wave, and receives reflection echo；
Radiofrequency analog block is arranged on signal acquisition component fixed cross beam, is electrically connected antenna and receives and dispatches array module, radio frequency
Analog module includes multiple-input multiple-output universal front end chip, is sent to transmitting antenna for generating E wave band millimeter wave, and to reception day
Line received signal is mixed, is filtered and enhanced processing；
Single small-sized mimo antenna submatrix completes the transmitting and reception of a multiple-input multiple-output universal front end chip E wave band millimeter wave,
Multiple transmission channel time-sharing works in single multiple-input multiple-output universal front end chip, multiple receiving channels work at the same time, different more
Hair universal front end chips of receiving are worked at the same time more using frequency division multiplexing waveform, realize the Quick Acquisition of data；
Data acquisition and procession module, be arranged on signal acquisition component fixed cross beam, be electrically connected radiofrequency analog block and
Comprehensive Signal Processing subsystem, it is pre- that the data for transmitting to radiofrequency analog block carry out residual phase correction, channel compensation etc.
Comprehensive Signal Processing subsystem is sent to after processing.
The antenna transmitting-receiving array module is evenly distributed on multi-block data and obtains on daughter board, the radiofrequency analog block
It is evenly distributed on multi-block data to obtain on daughter board, the data acquisition and procession module is evenly distributed on multi-block data and obtains son
On plate.
The calibration subsystem includes:
Standard calibration body is located at system head central location, the multichannel calibration of amplitude and phase for array in data acquisition subsystem；
Multiple small microwave camera bellows wrap up standard calibration body positioned at the surrounding of calibration body, for constructing ideal calibration environment,
The quantity of the small microwave camera bellows and the quantity of data acquisition subsystem are consistent, and each data acquisition subsystem corresponding one small-sized
Microwave camera bellows.
The present invention replaces RF switch network by using small-sized MIMO array, while obtaining sparse MIMO gusts of two dimension
The advantages of column and switch linear array sweeping scheme, can realize the reliable imaging of high speed, greatly in high flow of the people Dense crowd
Improve the cost performance of system；By using subsystem architecture, using general-purpose chip, board and component, so that system is in complexity
Property, cost performance, many aspects such as flexibility there is very big advantage.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of E wave band millimeter wave imaging safety check radar system provided by the invention.
Fig. 2 and Fig. 3 is the structural schematic diagram of data acquisition subsystem.
Fig. 4 is the structural schematic diagram for calibrating subsystem.
Specific embodiment
Below according to FIG. 1 to FIG. 4, presently preferred embodiments of the present invention is illustrated.
As shown in Figure 1, the present invention provides a kind of E wave band millimeter wave imaging safety check radar system, include:
Multiple data acquisition subsystems 5, are separately positioned on around examining object, for generate E wave band millimeter wave emit to
Object is examined, and acquires the reflection echo data of examining object；
Comprehensive Signal Processing subsystem 1 is electrically connected data acquisition subsystem 5, using universal network interchanger, fiber optic communication
Board and GPU handle board, and the data for acquiring to data acquisition subsystem 5 carry out at real-time Transmission and real time imagery
Reason；
Display and control subsystem 4, are electrically connected Comprehensive Signal Processing subsystem 1, for Comprehensive Signal Processing subsystem
Imaging results carry out target detection identifying processing, and be shown to user；
Calibrate subsystem 2, the multichannel calibration of amplitude and phase for array in data acquisition subsystem 5；
Power subsystem 3 is electrically connected data acquisition subsystem 5, Comprehensive Signal Processing subsystem 1 and display and control subsystem
System 4, for providing electric power.
As shown in Figures 2 and 3, the data acquisition subsystem 5 includes: mechanical scanning module 9, and is arranged in machinery
Data acquisition module on scan module 9, each data acquisition module is electrically connected Comprehensive Signal Processing subsystem 1, mechanical
Scan module 9 drives multiple data acquisition modules to pump, and realizes the comprehensive data acquisition to examining object.
The mechanical scanning module 9 includes:
Linear motor single axis robot 11 can pump；
Signal acquisition component fixed cross beam 10, is fixed on linear motor single axis robot 11, adopts for installation data
Collect module；
Driver 12 is used to drive linear motor single axis robot 11.
As shown in Fig. 2, the effective travel of the mechanical scanning module 9 is divided into four regions: at the uniform velocity area, top add
Deceleration area, lower part acceleration and deceleration area and calibration areas are mainly used for being imaged wherein at the uniform velocity area is located at stroke central location, top plus-minus
Fast area and lower part acceleration and deceleration area are located at stroke both ends, are mainly used for motor starting and stop, calibration region and top acceleration and deceleration area
It partly overlaps, is used for arrayed multi-channel calibration of amplitude and phase.
As shown in Figures 2 and 3, the data acquisition module includes:
Antenna receives and dispatches array module 6, is arranged on signal acquisition component fixed cross beam 10, comprising transmitting antenna and receives day
Line for emitting E wave band millimeter wave, and receives reflection echo；P transmission channel time-sharing work in single front-end chip, Q
Receiving channel works at the same time, and different front-end chips are worked at the same time using frequency division multiplexing waveform, realizes quickly adopting for orientation dimension data
Collection；
Radiofrequency analog block 7 is arranged on signal acquisition component fixed cross beam 10, is electrically connected antenna and receives and dispatches array module 6,
Be sent to transmitting antenna for generating E wave band millimeter wave, and receiving antenna received signal is mixed, filter and amplification at
Reason；
Data acquisition and procession module 8 is arranged on signal acquisition component fixed cross beam 10, is electrically connected radiofrequency analog block
7 and Comprehensive Signal Processing subsystem 1, the data for sending to radiofrequency analog block 7 carry out Dechirp processing, residual phase
Comprehensive Signal Processing subsystem 1 is sent to after the pretreatment such as correction, channel compensation.
As shown in figure 4, the calibration subsystem 2 includes:
Standard calibration body 12, is located at system head central location, multichannel width for array in data acquisition subsystem mutually school
It is quasi-；
Multiple small microwave camera bellows 11 wrap up standard calibration body, for constructing ideal calibration ring positioned at the surrounding of calibration body
The quantity in border, the small microwave camera bellows 11 is consistent with the quantity of data acquisition subsystem 5, and each data acquisition subsystem 5 is corresponding
One small microwave camera bellows 11.
In one embodiment of the invention, using two data acquisition subsystems 5, individual data obtains subsystem 5 and wraps
Module containing mechanical scanning 9, and the data acquisition module being arranged in mechanical scanning module 9, data acquisition module include antenna
Receive and dispatch array module 6, radiofrequency analog block 7 and data acquisition and processing module 8, wherein antenna receives and dispatches array module 6 using micro-
Band aerial array, the mimo antenna submatrix splicing received by 96 2 hairs 4 form, and radiofrequency analog block 7 uses general 2 hair of 77GHz
4 receive radio frequency front end chip, and data acquisition and procession module 8 uses fpga chip, and data acquisition module is evenly distributed in 12
On identical data acquisition plate, it is one-to-one with MIMO submatrix by 8 MIMO submatrixs, 8 pieces that individual data acquires daughter board
77GHz radio frequency front end chip and 1 piece of FPGA for data processing are constituted, and 12 data acquisition daughter boards complete azimuth direction jointly
Data acquisition and processing (DAP).Single general 2 hair 4 receives 2 transmission channel time-sharing works in radio frequency front end chip, emits FMCW
(Frequency Modulated Continuous Wave, CW with frequency modulation) signal, 4 receiving channels work at the same time, and 96
Different front-end chips is worked at the same time using frequency division multiplexing waveform, realizes the Quick Acquisition of orientation dimension data.Two data acquisitions
Subsystem 5 shares the same standard calibration body 12, and individual data obtains the corresponding closed small microwave camera bellows of subsystem 5
11.Entire imaging safety check radar system shares a power subsystem 3, uses general power module.Comprehensive Signal Processing
Subsystem 1 handles board, the network switch and fiber optic communication board using universal network interchanger, fiber optic communication board and GPU
It is transmitted for data, GPU handles three-dimensional imaging of the board for complete machine and handles.Display is with control subsystem 4 using general
People computer PC realizes the detection identification and display of target.
The present invention replaces RF switch network by using small-sized MIMO array, while obtaining sparse MIMO gusts of two dimension
The advantages of column and switch linear array sweeping scheme, can realize the reliable imaging of high speed, greatly in high flow of the people Dense crowd
Improve the cost performance of system；By using subsystem architecture, using general-purpose chip, board and component, so that system is in complexity
Property, cost performance, many aspects such as flexibility there is very big advantage.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a kind of E wave band millimeter wave imaging safety check radar system, characterized by comprising:
Multiple data acquisition subsystems (5), are separately positioned on around examining object, for generate E wave band millimeter wave emit to
Examining object, and acquire the reflection echo data of examining object；
Comprehensive Signal Processing subsystem (1) is electrically connected data acquisition subsystem (5), for data acquisition subsystem (5)
The data of acquisition carry out real-time Transmission and Real-time processing；
Display and control subsystem (4), are electrically connected Comprehensive Signal Processing subsystem (1), for Comprehensive Signal Processing
The imaging results of system carry out target detection identifying processing, and are shown to user；
It calibrates subsystem (2), the multichannel calibration of amplitude and phase for array in data acquisition subsystem (5)；
Power subsystem (3) is electrically connected data acquisition subsystem (5), Comprehensive Signal Processing subsystem (1) and display and control
Subsystem (4), for providing electric power.
2. safety check radar system is imaged in E wave band millimeter wave as described in claim 1, which is characterized in that the data acquisition
Subsystem (5) includes: mechanical scanning module (9), and the data acquisition module being arranged on mechanical scanning module (9), data
Acquisition module is electrically connected Comprehensive Signal Processing subsystem (1), and mechanical scanning module (9) drives data acquisition module to carry out up and down
It moves back and forth, realizes the comprehensive data acquisition to examining object.
3. safety check radar system is imaged in E wave band millimeter wave as claimed in claim 2, which is characterized in that the mechanical scanning
Module (9) includes:
Linear motor single axis robot (11), can pump；
Signal acquisition component fixed cross beam (10) is fixed on linear motor single axis robot (11), for installing number
According to acquisition module；
Driver (12) is used to drive linear motor single axis robot (11).
4. safety check radar system is imaged in E wave band millimeter wave as claimed in claim 3, which is characterized in that the mechanical scanning
The effective travel of module (9) includes: at the uniform velocity area, top acceleration and deceleration area, lower part acceleration and deceleration area and calibration areas, wherein at the uniform velocity area is located at
Stroke central location, for being imaged, top acceleration and deceleration area and lower part acceleration and deceleration area are located at stroke both ends, for motor starting with stop
Only, calibration region partly overlaps with top acceleration and deceleration area, is used for arrayed multi-channel calibration of amplitude and phase.
5. safety check radar system is imaged in E wave band millimeter wave as claimed in claim 3, which is characterized in that the data acquisition
Module includes:
Antenna receives and dispatches array module (6), is arranged on signal acquisition component fixed cross beam (10), has transmitting day comprising multiple
The small-sized mimo antenna submatrix of line and receiving antenna, for emitting E wave band millimeter wave, and receives reflection echo；
Radiofrequency analog block (7) is arranged on signal acquisition component fixed cross beam (10), is electrically connected antenna and receives and dispatches array mould
Block (6), radiofrequency analog block (7) include multiple-input multiple-output universal front end chip, are sent to transmitting day for generating E wave band millimeter wave
Line, and receiving antenna received signal is mixed, is filtered and enhanced processing；
Single small-sized mimo antenna submatrix completes the transmitting and reception of a multiple-input multiple-output universal front end chip E wave band millimeter wave,
Multiple transmission channel time-sharing works in single multiple-input multiple-output universal front end chip, multiple receiving channels work at the same time, different more
Hair universal front end chips of receiving are worked at the same time more using frequency division multiplexing waveform, realize the Quick Acquisition of data；
Data acquisition and procession module (8) is arranged on signal acquisition component fixed cross beam (10), is electrically connected radio frequency analog
Module (7) and Comprehensive Signal Processing subsystem (1), the data for transmitting to radiofrequency analog block (7) carry out residual phase school
Just, Comprehensive Signal Processing subsystem (1) is sent to after the pretreatment such as channel compensation.
6. safety check radar system is imaged in E wave band millimeter wave as claimed in claim 5, which is characterized in that the antenna transmitting-receiving
Array module (6) is evenly distributed on multi-block data and obtains on daughter board, and the radiofrequency analog block (7) is evenly distributed on muti-piece number
According to obtaining on daughter board, the data acquisition and procession module (8) is evenly distributed on multi-block data and obtains on daughter board.
7. safety check radar system is imaged in E wave band millimeter wave as described in claim 1, which is characterized in that the calibration subsystem
System (2) includes:
Standard calibration body (12) is located at system head central location, the multichannel width phase for array in data acquisition subsystem
Calibration；
Multiple small microwave camera bellows (11) wrap up standard calibration body, for constructing ideal calibration ring positioned at the surrounding of calibration body
The quantity in border, the small microwave camera bellows (11) is consistent with the quantity of data acquisition subsystem (5), each data acquisition subsystem
(5) a corresponding small microwave camera bellows (11).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288562.5A CN109633630A (en) | 2018-10-31 | 2018-10-31 | A kind of E wave band millimeter wave imaging safety check radar system |
| PCT/CN2018/119445 WO2020087656A1 (en) | 2018-10-31 | 2018-12-06 | Security check radar system using e-band millimeter wave imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288562.5A CN109633630A (en) | 2018-10-31 | 2018-10-31 | A kind of E wave band millimeter wave imaging safety check radar system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109633630A true CN109633630A (en) | 2019-04-16 |
Family
ID=66066990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811288562.5A Pending CN109633630A (en) | 2018-10-31 | 2018-10-31 | A kind of E wave band millimeter wave imaging safety check radar system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109633630A (en) |
| WO (1) | WO2020087656A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110276435A (en) * | 2019-05-27 | 2019-09-24 | 深圳市赛格车圣科技有限公司 | Population flow detection device and Pedestrian flow detection method based on millimetre-wave radar |
| CN110568512A (en) * | 2019-10-23 | 2019-12-13 | 中国工程物理研究院电子工程研究所 | millimeter wave human body security inspection door |
| CN111025423A (en) * | 2019-12-28 | 2020-04-17 | 北京无线电计量测试研究所 | Calibration system and method of active millimeter wave real-time three-dimensional imaging security inspection system |
| CN112114375A (en) * | 2019-07-08 | 2020-12-22 | 杭州芯影科技有限公司 | Millimeter wave scanning device suitable for security inspection |
| CN112162326A (en) * | 2020-08-18 | 2021-01-01 | 欧必翼太赫兹科技(北京)有限公司 | Holographic imaging security inspection system and security inspection method |
| CN113328265A (en) * | 2021-04-27 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Extensible E-band digital active array |
| CN116840940A (en) * | 2023-06-07 | 2023-10-03 | 珠海微度芯创科技有限责任公司 | Channel calibration method and system based on millimeter wave cylindrical calibration body algorithm system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334540A (en) * | 2015-11-23 | 2016-02-17 | 无锡市雷华科技有限公司 | Active microwave holographic security check instrument system |
| CN205176270U (en) * | 2015-11-23 | 2016-04-20 | 无锡市雷华科技有限公司 | Holographic safety inspection appearance system of active microwave |
| CN105510912A (en) * | 2015-12-25 | 2016-04-20 | 深圳市太赫兹科技创新研究院 | Millimeter wave holographic three-dimensional imaging-based human body security inspection system and method |
| CN108051806A (en) * | 2017-12-04 | 2018-05-18 | 上海无线电设备研究所 | A kind of mm-wave imaging safety check radar system based on general purpose radar front-end chip |
| CN207528844U (en) * | 2017-12-14 | 2018-06-22 | 贵州航天计量测试技术研究所 | A kind of microwave camera bellows space attenuation calibrating installation |
| CN108519623A (en) * | 2018-04-13 | 2018-09-11 | 北博（厦门）智能科技有限公司 | Foreign body detecting system based on millimetre-wave radar |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7385549B2 (en) * | 2003-08-12 | 2008-06-10 | Trex Enterprises Corp | Millimeter wave portal imaging system |
| CN102495396A (en) * | 2011-11-15 | 2012-06-13 | 北京无线电计量测试研究所 | Amplitude and phase consistency calibration method of multiple channels of human body security inspection system |
| CN103630895B (en) * | 2013-12-12 | 2016-03-30 | 北京无线电计量测试研究所 | A kind of formation method for millimeter wave closely 3-D imaging system |
| CN204228955U (en) * | 2014-11-07 | 2015-03-25 | 深圳市一体投资控股集团有限公司 | A kind of mm-wave imaging device |
| CN106154240A (en) * | 2016-06-20 | 2016-11-23 | 西北工业大学 | A kind of polarization scattering matrix Fast measurement system and method |
| CN108152821A (en) * | 2018-01-23 | 2018-06-12 | 成都菲斯洛克电子技术有限公司 | A kind of active MMW imaging safety detecting system and safety detection method |
-
2018
- 2018-10-31 CN CN201811288562.5A patent/CN109633630A/en active Pending
- 2018-12-06 WO PCT/CN2018/119445 patent/WO2020087656A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334540A (en) * | 2015-11-23 | 2016-02-17 | 无锡市雷华科技有限公司 | Active microwave holographic security check instrument system |
| CN205176270U (en) * | 2015-11-23 | 2016-04-20 | 无锡市雷华科技有限公司 | Holographic safety inspection appearance system of active microwave |
| CN105510912A (en) * | 2015-12-25 | 2016-04-20 | 深圳市太赫兹科技创新研究院 | Millimeter wave holographic three-dimensional imaging-based human body security inspection system and method |
| CN108051806A (en) * | 2017-12-04 | 2018-05-18 | 上海无线电设备研究所 | A kind of mm-wave imaging safety check radar system based on general purpose radar front-end chip |
| CN207528844U (en) * | 2017-12-14 | 2018-06-22 | 贵州航天计量测试技术研究所 | A kind of microwave camera bellows space attenuation calibrating installation |
| CN108519623A (en) * | 2018-04-13 | 2018-09-11 | 北博（厦门）智能科技有限公司 | Foreign body detecting system based on millimetre-wave radar |
Non-Patent Citations (2)
| Title |
|---|
| 唐琳等: ""一种数字阵列雷达小视场快速成像方法"", 《上海航天》 * |
| 沈凯等: ""弹载相控阵雷达近场校准系统设计研究"", 《计算机仿真》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110276435A (en) * | 2019-05-27 | 2019-09-24 | 深圳市赛格车圣科技有限公司 | Population flow detection device and Pedestrian flow detection method based on millimetre-wave radar |
| CN112114375A (en) * | 2019-07-08 | 2020-12-22 | 杭州芯影科技有限公司 | Millimeter wave scanning device suitable for security inspection |
| CN110568512A (en) * | 2019-10-23 | 2019-12-13 | 中国工程物理研究院电子工程研究所 | millimeter wave human body security inspection door |
| CN111025423A (en) * | 2019-12-28 | 2020-04-17 | 北京无线电计量测试研究所 | Calibration system and method of active millimeter wave real-time three-dimensional imaging security inspection system |
| CN111025423B (en) * | 2019-12-28 | 2022-07-29 | 北京无线电计量测试研究所 | Calibration system and method of active millimeter wave real-time three-dimensional imaging security inspection system |
| CN112162326A (en) * | 2020-08-18 | 2021-01-01 | 欧必翼太赫兹科技(北京)有限公司 | Holographic imaging security inspection system and security inspection method |
| CN112162326B (en) * | 2020-08-18 | 2021-09-28 | 欧必翼太赫兹科技(北京)有限公司 | Holographic imaging security inspection system and security inspection method |
| CN113328265A (en) * | 2021-04-27 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Extensible E-band digital active array |
| CN116840940A (en) * | 2023-06-07 | 2023-10-03 | 珠海微度芯创科技有限责任公司 | Channel calibration method and system based on millimeter wave cylindrical calibration body algorithm system |
| CN116840940B (en) * | 2023-06-07 | 2024-04-05 | 珠海微度芯创科技有限责任公司 | Channel calibration method and system based on millimeter wave cylindrical calibration body algorithm system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020087656A1 (en) | 2020-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109633630A (en) | A kind of E wave band millimeter wave imaging safety check radar system | |
| Yanik et al. | Development and demonstration of MIMO-SAR mmWave imaging testbeds | |
| US11313963B2 (en) | Millimeter wave holographic three-dimensional imaging detection system and method | |
| CN105932427B (en) | A kind of mm-wave imaging radar one-dimensional array antenna and sequential control method | |
| US12026907B2 (en) | Imaging systems and related methods including radar imaging with moving arrays or moving targets | |
| CN105759269B (en) | The safe examination system and method for 3D hologram imaging | |
| US8797208B2 (en) | Active radar system and method | |
| CN106872975B (en) | A kind of millimeter wave active near-field imaging device | |
| CN108761452A (en) | The multiple-input and multiple-output array millimeter wave three-dimensional image forming apparatus and method of compensated distance | |
| CN108051806A (en) | A kind of mm-wave imaging safety check radar system based on general purpose radar front-end chip | |
| CN110187332B (en) | Low altitude defense radar system and method based on digital beam forming technology | |
| US5982329A (en) | Single channel transceiver with polarization diversity | |
| KR20160018519A (en) | Multi-functional radar assembly | |
| CN101910865A (en) | Method and device for the spatially resolved detection and reconstruction of objects by means of microwaves | |
| CN110275143B (en) | High-integration microwave photon MIMO radar signal transceiving device and method | |
| CN109167168B (en) | MIMO antenna array, MIMO array antenna and security inspection system | |
| CN110794399B (en) | Active millimeter wave three-dimensional imaging security inspection device | |
| CN111175748A (en) | Millimeter wave antenna array | |
| CN108490497A (en) | Safe examination system and method | |
| US10877145B2 (en) | Method and device for tracking objects, in particular moving objects, in the three-dimensional space of imaging radar sensors | |
| CN108181624B (en) | Difference calculation imaging device and method | |
| CN105606630B (en) | Tub nondestructive detection system and method | |
| AU2018313118A1 (en) | Sensor array imaging device | |
| Blunt et al. | Spatially-modulated radar waveforms inspired by fixational eye movement | |
| CA3159279A1 (en) | Automobile radars based on gradient-index lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190416 |
|
| WD01 | Invention patent application deemed withdrawn after publication |