JP6472370B2 - 3次元(3d)シーン画像を生成するシステム及び方法 - Google Patents
3次元(3d)シーン画像を生成するシステム及び方法 Download PDFInfo
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- JP6472370B2 JP6472370B2 JP2015236491A JP2015236491A JP6472370B2 JP 6472370 B2 JP6472370 B2 JP 6472370B2 JP 2015236491 A JP2015236491 A JP 2015236491A JP 2015236491 A JP2015236491 A JP 2015236491A JP 6472370 B2 JP6472370 B2 JP 6472370B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
-
- 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
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
- G01S13/904—SAR modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0478—Special codebook structures directed to feedback optimisation
- H04B7/0479—Special codebook structures directed to feedback optimisation for multi-dimensional arrays, e.g. horizontal or vertical pre-distortion matrix index [PMI]
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- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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Description
Claims (11)
- 1組のアンテナを含むMIMOアレイを用いてシーンの3次元(3D)画像を生成する方法であって、
送信アンテナの部分組及び受信アンテナの部分組として前記アンテナの少なくとも1つの部分組を選択するステップと、
前記MIMOアレイが変動する速度で移動している間、前記送信アンテナの部分組を用いて前記シーン内に無線周波数(RF)信号を送信するステップと、
前記受信アンテナの部分組において、前記シーンによって反射される前記RF信号をMIMOデータとして受信するステップと、
前記MIMOデータをアライン及び正則化するステップと、
圧縮センシング(CS)ベースの再構成手順をアラインされた前記MIMOデータに適用して前記シーンの前記3D画像を生成するステップと、
を含む、3次元(3D)シーン画像を生成する方法。 - 前記MIMOデータは、時間において一様にサンプリングされる、請求項1に記載の方法。
- 前記MIMOアレイの向きは固定である、請求項1に記載の方法。
- 前記MIMOアレイは、方位方向及び高度方向においてランダムジッターを受ける、請求項1に記載の方法。
- 全てのデータは全体として、前記圧縮センシング(CS)ベースの再構成手順によって処理される、請求項1に記載の方法。
- 前記圧縮センシング法は、反復再構成法である、請求項1に記載の方法。
- 前記変動する速度は、方位方向及び距離方向のランダムジッターを伴って前記アレイを空間的にかつ一様に分散させる、請求項1に記載の方法。
- 前記MIMOアレイは線形である、請求項1に記載の方法。
- 送信される前記RF信号は直交である、請求項1に記載の方法。
- 前記シーンのスパース性を利用することによって、反復手順を用いて欠落データを埋めることを更に含む、請求項1に記載の方法。
- 1組のアンテナを含むMIMOアレイを用いてシーンの3次元(3D)シーン画像を生成するシステムであって、
前記MIMOアレイが変動する速度で移動している間、前記シーン内へRF信号を受信するように構成される、受信アンテナの部分組と、
前記シーンによって反射される前記RF信号を、MIMOデータとして、受信するように構成される、受信アンテナの他の部分組と、
前記MIMOデータをアライン及び正則化し、圧縮センシング(CS)ベースの再構成手順をアラインされた前記MIMOデータに適用して前記シーンの前記3D画像を生成するように構成されるプロセッサと、
を備える、3次元(3D)シーン画像を生成するシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US14/594,316 | 2015-01-12 | ||
US14/594,316 US9948362B2 (en) | 2015-01-12 | 2015-01-12 | System and method for 3D imaging using a moving multiple-input multiple-output (MIMO) linear antenna array |
Publications (3)
Publication Number | Publication Date |
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JP2016130726A JP2016130726A (ja) | 2016-07-21 |
JP2016130726A5 JP2016130726A5 (ja) | 2018-11-01 |
JP6472370B2 true JP6472370B2 (ja) | 2019-02-20 |
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JP2015236491A Expired - Fee Related JP6472370B2 (ja) | 2015-01-12 | 2015-12-03 | 3次元(3d)シーン画像を生成するシステム及び方法 |
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US (1) | US9948362B2 (ja) |
JP (1) | JP6472370B2 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9864054B2 (en) * | 2014-03-10 | 2018-01-09 | Mitsubishi Electric Research Laboratories, Inc. | System and method for 3D SAR imaging using compressive sensing with multi-platform, multi-baseline and multi-PRF data |
US10690760B2 (en) | 2015-05-05 | 2020-06-23 | Vayyar Imaging Ltd | System and methods for three dimensional modeling of an object using a radio frequency device |
CN109565304B (zh) * | 2016-07-08 | 2023-04-07 | 马格纳电子系统公司 | 用于车辆的2d mimo雷达系统 |
EP3755216A4 (en) * | 2018-02-22 | 2021-04-21 | Vayyar Imaging Ltd. | DETECTION AND MEASUREMENT OF CORRELATED MOTION WITH MIMO RADAR |
IT201800006797A1 (it) * | 2018-06-29 | 2019-12-29 | Radar ad apertura sintetica basato a terra (gbsar) con antenne multiple in trasmissione e ricezione (mimo)e facente uso della tecnica di elaborazione detta compressive sensing (cs). | |
JP7303878B2 (ja) * | 2018-12-12 | 2023-07-05 | 華為技術有限公司 | 信号処理方法、レーダシステム、及び車両 |
US10962639B2 (en) * | 2019-01-11 | 2021-03-30 | Isaac Weissman | Smallsat surveillance constellation using MIMO radar |
US11094114B2 (en) | 2019-02-08 | 2021-08-17 | Ursa Space Systems Inc. | Satellite SAR artifact suppression for enhanced three-dimensional feature extraction, change detection, and visualizations |
CN110146878A (zh) * | 2019-04-16 | 2019-08-20 | 杭州电子科技大学 | 基于乘性正则化的背景介质迭代更新的定量微波成像方法 |
US11360210B2 (en) * | 2019-07-02 | 2022-06-14 | Intel Corporation | Multi-mode multi-input multi-output (MIMO) radar sensors |
CN112578342A (zh) * | 2019-09-30 | 2021-03-30 | 华为技术有限公司 | 一种信号发送方法、信号处理方法及雷达装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05288843A (ja) * | 1992-04-14 | 1993-11-05 | Nec Corp | 干渉型合成開口レーダ装置 |
US6919839B1 (en) * | 2004-11-09 | 2005-07-19 | Harris Corporation | Synthetic aperture radar (SAR) compensating for ionospheric distortion based upon measurement of the group delay, and associated methods |
US7928893B2 (en) | 2006-04-12 | 2011-04-19 | William Marsh Rice University | Apparatus and method for compressive sensing radar imaging |
AU2010200313B2 (en) * | 2009-01-30 | 2015-10-29 | Teledyne Uk Limited | Apparatus and method for assisting vertical takeoff vehicles |
US20110140949A1 (en) * | 2009-12-16 | 2011-06-16 | Electronics And Telecommunications Research Institute | Mimo radar apparatus and wireless communication method using the same |
KR101138292B1 (ko) | 2010-05-18 | 2012-04-24 | 국방과학연구소 | 전방관측 3차원 영상 레이더 장치 및 그를 이용한 3차원 영상 획득방법 |
US20120274499A1 (en) * | 2011-04-29 | 2012-11-01 | Spatial Digital Systems | Radar imaging via spatial spectrum measurement and MIMO waveforms |
US8570210B1 (en) * | 2011-06-21 | 2013-10-29 | Lockheed Martin Corporation | Aircraft MIMO radar |
US9019148B1 (en) * | 2012-04-24 | 2015-04-28 | Sandia Corporation | Remote sensing using MIMO systems |
IL221596A (en) * | 2012-08-23 | 2017-12-31 | Beeri Amir | METHOD AND DEVICE FOR VOLUME VISUALIZATION IN A WIDE RADAR IMAGING SYSTEM |
US9335410B2 (en) * | 2013-02-19 | 2016-05-10 | Mitsubishi Electric Research Laboratories, Inc. | System and method for multiple spotlight synthetic radar imaging using random beam steering |
US20140266868A1 (en) * | 2013-03-15 | 2014-09-18 | Src, Inc. | Methods And Systems For Multiple Input Multiple Output Synthetic Aperture Radar Ground Moving Target Indicator |
US9182483B2 (en) * | 2013-03-15 | 2015-11-10 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for random steerable SAR using compressive sensing |
US9261592B2 (en) * | 2014-01-13 | 2016-02-16 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for through-the-wall imaging using compressive sensing and MIMO antenna arrays |
CN103728618B (zh) * | 2014-01-16 | 2015-12-30 | 中国科学院电子学研究所 | 一种高分辨率、宽测绘带的星载sar体制实现方法 |
CN104267401B (zh) * | 2014-10-21 | 2016-03-02 | 内蒙古工业大学 | 线性阵列天线同时mimo-sar成像系统和方法 |
US9541638B2 (en) * | 2014-11-11 | 2017-01-10 | Nxp B.V. | MIMO radar system |
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- 2015-01-12 US US14/594,316 patent/US9948362B2/en active Active
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US9948362B2 (en) | 2018-04-17 |
US20160204840A1 (en) | 2016-07-14 |
JP2016130726A (ja) | 2016-07-21 |
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