CN107167771A - 一种微波成像系统的直达波抑制方法及系统 - Google Patents
一种微波成像系统的直达波抑制方法及系统 Download PDFInfo
- Publication number
- CN107167771A CN107167771A CN201710295635.2A CN201710295635A CN107167771A CN 107167771 A CN107167771 A CN 107167771A CN 201710295635 A CN201710295635 A CN 201710295635A CN 107167771 A CN107167771 A CN 107167771A
- Authority
- CN
- China
- Prior art keywords
- domain echo
- signal
- frequency domain
- echo signal
- frequency
- 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.)
- Granted
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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
- G01S7/038—Feedthrough nulling circuits
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
-
- 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
-
- 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
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/2806—Employing storage or delay devices which preserve the pulse form of the echo signal, e.g. for comparing and combining echoes received during different periods
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
- G01S7/354—Extracting wanted echo-signals
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4026—Antenna boresight
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
- G01S7/356—Receivers involving particularities of FFT processing
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710295635.2A CN107167771B (zh) | 2017-04-28 | 2017-04-28 | 一种微波成像系统的直达波抑制方法及系统 |
PCT/CN2017/100402 WO2018196248A1 (zh) | 2017-04-28 | 2017-09-04 | 一种微波成像系统的直达波抑制方法及系统 |
US16/608,172 US11199612B2 (en) | 2017-04-28 | 2017-09-04 | Direct wave suppression method and system for microwave imaging system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710295635.2A CN107167771B (zh) | 2017-04-28 | 2017-04-28 | 一种微波成像系统的直达波抑制方法及系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107167771A true CN107167771A (zh) | 2017-09-15 |
CN107167771B CN107167771B (zh) | 2018-10-26 |
Family
ID=59812699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710295635.2A Active CN107167771B (zh) | 2017-04-28 | 2017-04-28 | 一种微波成像系统的直达波抑制方法及系统 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11199612B2 (zh) |
CN (1) | CN107167771B (zh) |
WO (1) | WO2018196248A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112578350A (zh) * | 2020-12-02 | 2021-03-30 | 西安电子科技大学 | 高能微波干扰下的机载sar干扰效应仿真方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111105509B (zh) * | 2019-12-26 | 2022-03-08 | 成都纳雷科技有限公司 | 基于毫米波雷达的etc车辆检测方法、系统及存储介质 |
CN112731305B (zh) * | 2020-12-17 | 2024-05-03 | 国网四川省电力公司信息通信公司 | 基于自适应多普勒域波束对消的直达波抑制方法及系统 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000091844A (ja) * | 1998-09-08 | 2000-03-31 | Nec Corp | 多重無線通信装置 |
JP2008216111A (ja) * | 2007-03-06 | 2008-09-18 | Mitsubishi Electric Corp | 測距装置及び測位装置並びに測距方法及び測位方法 |
CN102033227A (zh) * | 2010-11-30 | 2011-04-27 | 哈尔滨工程大学 | 以gps导航卫星为外辐射源的无源雷达微弱目标检测方法 |
CN102096067A (zh) * | 2010-11-30 | 2011-06-15 | 哈尔滨工程大学 | 基于北斗作为外辐射源的无源雷达直达波干扰抑制方法 |
CN102868651A (zh) * | 2012-10-08 | 2013-01-09 | 中国电子科技集团公司第五十四研究所 | 一种基于频域均衡的新型解调方法 |
CN106556874A (zh) * | 2016-10-31 | 2017-04-05 | 华讯方舟科技有限公司 | 一种近距离微波成像方法及系统 |
CN106556873A (zh) * | 2016-10-31 | 2017-04-05 | 华讯方舟科技有限公司 | 一种基于人体微波成像的安检方法及系统 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5539412A (en) * | 1994-04-29 | 1996-07-23 | Litton Systems, Inc. | Radar system with adaptive clutter suppression |
US7450052B2 (en) * | 1999-05-25 | 2008-11-11 | The Macaleese Companies, Inc. | Object detection method and apparatus |
WO2002023218A2 (en) * | 2000-09-14 | 2002-03-21 | Time Domain Corporation | System and method for detecting an intruder using impulse radio technology |
US6552677B2 (en) * | 2001-02-26 | 2003-04-22 | Time Domain Corporation | Method of envelope detection and image generation |
US6878939B2 (en) * | 2003-01-31 | 2005-04-12 | Millivision Technologies | Offset drift compensating flat fielding method and camera used in millimeter wave imaging |
US6900438B2 (en) * | 2003-01-31 | 2005-05-31 | Millivision Technologies | Baseline compensating method and camera used in millimeter wave imaging |
US7385549B2 (en) * | 2003-08-12 | 2008-06-10 | Trex Enterprises Corp | Millimeter wave portal imaging system |
GB2417554B (en) * | 2004-08-26 | 2007-08-08 | Teraview Ltd | Spectroscopy apparatus and associated technique |
US6967612B1 (en) * | 2004-10-22 | 2005-11-22 | Gorman John D | System and method for standoff detection of human carried explosives |
US7345618B1 (en) * | 2005-04-14 | 2008-03-18 | L-3 Communications Cyterra Corporation | Moving-entity detection |
US7436188B2 (en) * | 2005-08-26 | 2008-10-14 | Step Communications Corporation | System and method for improving time domain processed sensor signals |
US7804441B1 (en) * | 2007-07-13 | 2010-09-28 | The United States Of America As Represented By The Secretary Of The Navy | Detection of concealed object by standing waves |
KR20110008080A (ko) * | 2008-04-03 | 2011-01-25 | 카이 메디컬, 아이엔씨. | 비접촉식 생리학적 모션 센서 및 모션 센서의 사용 방법 |
EP2342581B1 (en) * | 2008-09-30 | 2015-02-25 | Intersoft Electronics NV | Clutter reduction in detection systems |
US9075129B2 (en) * | 2008-12-10 | 2015-07-07 | The United States Of America As Represented By The Secretary Of The Army | Method and system for forming images by comparing subsets of image data |
US20120038666A1 (en) * | 2009-04-23 | 2012-02-16 | Tomtec Imaging Systems Gmbh | Method for capturing and displaying image data of an object |
US9229102B1 (en) * | 2009-12-18 | 2016-01-05 | L-3 Communications Security And Detection Systems, Inc. | Detection of movable objects |
EP2947476B1 (en) * | 2009-12-18 | 2018-08-15 | L-3 Communications Cyterra Corporation | Moving entity detection |
CN102508240B (zh) * | 2011-10-30 | 2013-07-03 | 北京无线电计量测试研究所 | 毫米波主动式三维全息成像的人体安检系统的扫描方法 |
CN102520402B (zh) * | 2011-12-30 | 2014-05-07 | 北京华航无线电测量研究所 | 一种圆柱阵面三维成像系统的多角度快速成像显示方法 |
WO2014120289A1 (en) * | 2012-10-10 | 2014-08-07 | Raytheon Company | Detection of concealed object on a body using radio frequency signatures on frequencies and polarizations |
JP6249325B2 (ja) * | 2012-12-28 | 2017-12-20 | パナソニックIpマネジメント株式会社 | 信号処理装置 |
JP6287674B2 (ja) * | 2014-08-07 | 2018-03-07 | 三菱電機株式会社 | 遅延時間推定装置及び測高装置 |
JP6339893B2 (ja) * | 2014-08-29 | 2018-06-06 | 古野電気株式会社 | クラッタ抑圧装置及びそれを備えたレーダ装置 |
WO2016057781A1 (en) * | 2014-10-08 | 2016-04-14 | The University Of Florida Research Foundation, Inc. | Method and apparatus for non-contact fast vital sign acquisition based on radar signal |
CN106338732B (zh) | 2016-08-23 | 2019-02-26 | 华讯方舟科技有限公司 | 一种毫米波三维全息成像方法及系统 |
CN106556820B (zh) * | 2016-11-04 | 2018-10-30 | 深圳市航天华拓科技有限公司 | 一种直达波去除方法 |
-
2017
- 2017-04-28 CN CN201710295635.2A patent/CN107167771B/zh active Active
- 2017-09-04 US US16/608,172 patent/US11199612B2/en active Active
- 2017-09-04 WO PCT/CN2017/100402 patent/WO2018196248A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000091844A (ja) * | 1998-09-08 | 2000-03-31 | Nec Corp | 多重無線通信装置 |
JP2008216111A (ja) * | 2007-03-06 | 2008-09-18 | Mitsubishi Electric Corp | 測距装置及び測位装置並びに測距方法及び測位方法 |
CN102033227A (zh) * | 2010-11-30 | 2011-04-27 | 哈尔滨工程大学 | 以gps导航卫星为外辐射源的无源雷达微弱目标检测方法 |
CN102096067A (zh) * | 2010-11-30 | 2011-06-15 | 哈尔滨工程大学 | 基于北斗作为外辐射源的无源雷达直达波干扰抑制方法 |
CN102868651A (zh) * | 2012-10-08 | 2013-01-09 | 中国电子科技集团公司第五十四研究所 | 一种基于频域均衡的新型解调方法 |
CN106556874A (zh) * | 2016-10-31 | 2017-04-05 | 华讯方舟科技有限公司 | 一种近距离微波成像方法及系统 |
CN106556873A (zh) * | 2016-10-31 | 2017-04-05 | 华讯方舟科技有限公司 | 一种基于人体微波成像的安检方法及系统 |
Non-Patent Citations (2)
Title |
---|
C. C. QI ET AL.: "A 330 GHz active terahertz imaging system for hidden objects detection", 《TERAHERTZ SCIENCE AND TECHNOLOGY》 * |
刘宇 等: "一种无源雷达频域扩展相消批处理杂波对消算法", 《雷达学报》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112578350A (zh) * | 2020-12-02 | 2021-03-30 | 西安电子科技大学 | 高能微波干扰下的机载sar干扰效应仿真方法 |
CN112578350B (zh) * | 2020-12-02 | 2022-04-19 | 西安电子科技大学 | 高能微波干扰下的机载sar干扰效应仿真方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2018196248A1 (zh) | 2018-11-01 |
CN107167771B (zh) | 2018-10-26 |
US11199612B2 (en) | 2021-12-14 |
US20200142053A1 (en) | 2020-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107132510B (zh) | 一种微波成像系统的幅相校正方法及系统 | |
CN113253213B (zh) | 高频地波雷达电离层回波空间分布特性测量方法及系统 | |
CN107102324B (zh) | 一种近景微波成像方法及系统 | |
CN102830333B (zh) | 基于电磁波天线阵列信号处理的变电站局部放电定位方法 | |
EP3367120B1 (en) | Data processing method and the measurement device | |
CN106443611A (zh) | 一种弱散射目标的rcs测量方法 | |
CN107167771B (zh) | 一种微波成像系统的直达波抑制方法及系统 | |
CN110794399B (zh) | 一种主动式毫米波三维成像安检装置 | |
CN106291502B (zh) | 目标rcs测量中背景提取与抵消的最大概率时域处理方法 | |
Randazzo et al. | A two-step inverse-scattering technique in variable-exponent Lebesgue spaces for through-the-wall microwave imaging: Experimental results | |
CN106680796A (zh) | 基于频率干涉的平面全息阵列目标三维表面重构方法 | |
CN102520408B (zh) | 一种圆柱阵面三维成像系统的三维成像方法 | |
CN104237886B (zh) | 一种高精度合成孔径雷达成像方法 | |
CN113589287A (zh) | 合成孔径雷达稀疏成像方法、装置、电子设备及存储介质 | |
CN116990777B (zh) | 一种太赫兹rcs高精度测量方法、系统、装置和设备 | |
CN106443616A (zh) | 目标rcs测量中背景提取与抵消的最大概率数据域处理方法 | |
Catapano et al. | A qualitative inverse scattering method for through-the-wall imaging | |
CN117420550A (zh) | 基于最大回波能量选取后向投影的穿墙雷达成像方法 | |
CN104902824B (zh) | 超声波诊断装置 | |
CN217444634U (zh) | 基于极化隔离构型的毫米波雷达二维测角装置 | |
CN106443619A (zh) | 目标rcs测量中基于最大概率门限与模型预测联合处理的背景提取方法 | |
Gonzalez-Blanco et al. | Analysis of time filtering techniques for echo reduction in antenna measurements | |
CN210129037U (zh) | 双站毫米波成像装置 | |
Xu et al. | Ultra‐wideband imaging with an improved backward projection algorithm for far‐field applications | |
Garnier et al. | Coherent interferometric imaging for synthetic aperture radar in the presence of noise |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211109 Address after: 518000 Shenzhen, Baoan District, Xixiang, Guangdong Xixiang street, thirty-seventh fields, 430 estate. Patentee after: Shenzhen Zhongtou Huaxun Terahertz Technology Co., Ltd Address before: 518000 East, 2nd floor, building 37, chentian Industrial Zone, Baotian 1st Road, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN VICTOOTH TERAHERTZ TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN THZ SCIENCE AND TECHNOLOGY INNOVATION INSTITUTE |