JP6324314B2 - パルス圧縮レーダ - Google Patents
パルス圧縮レーダ Download PDFInfo
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- JP6324314B2 JP6324314B2 JP2014536763A JP2014536763A JP6324314B2 JP 6324314 B2 JP6324314 B2 JP 6324314B2 JP 2014536763 A JP2014536763 A JP 2014536763A JP 2014536763 A JP2014536763 A JP 2014536763A JP 6324314 B2 JP6324314 B2 JP 6324314B2
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- transmission signal
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- correction data
- pulse compression
- correction coefficient
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Classifications
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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
- 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
- G01S7/282—Transmitters
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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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
- G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
-
- 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
- G01S7/285—Receivers
-
- 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
- G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Amplifiers (AREA)
Description
13 送信信号記憶部
16 パワーアンプ(送信信号増幅部)
21 リミッタ
22 LNA
23 スイッチ
24 ミキサ
25 ADC
31 帰還信号記憶部
33 理想送信信号記憶部
34 補正係数算出部(補正用データ算出部)
35 揮発性メモリ
36 送信信号補正部
38 不揮発性メモリ
Claims (6)
- 歪みが生じる前の送信信号を記憶する理想送信信号記憶部と、
入力された送信信号を増幅して出力する送信信号増幅部と、
前記送信信号増幅部が出力した送信信号を外部に送信するとともに、当該送信信号の反射信号を受信信号として受信するアンテナと、
前記送信信号増幅部が出力した送信信号を帰還信号として帰還させる信号帰還回路と、
前記帰還信号と、前記理想送信信号記憶部が記憶する送信信号と、に基づいて、増幅により生じる歪みを打ち消すための補正用データを求める補正用データ算出部と、
前記補正用データを記憶可能な不揮発性メモリと、
前記補正用データに基づいて、前記理想送信信号記憶部が出力した送信信号を補正する送信信号補正部と、
前記アンテナが受信した受信信号に基づいて物標に関する情報を求める信号処理部と、を備え
前記アンテナが受信した受信信号を前記信号処理部へ伝達する回路と、前記帰還信号を前記補正用データ算出部まで伝達する回路と、の少なくとも一部同士が共通であることを特徴とするパルス圧縮レーダ。 - 請求項1に記載のパルス圧縮レーダであって、
前記不揮発性メモリは、電源を切る指示を受けた際に、前記補正用データを記憶することを特徴とするパルス圧縮レーダ。 - 請求項1から2までの何れか一項に記載のパルス圧縮レーダであって、
前記不揮発性メモリは、設定されたスケジュールに応じて、前記補正用データを記憶することを特徴とするパルス圧縮レーダ。 - 請求項1から3までの何れか一項に記載のパルス圧縮レーダであって、
前記不揮発性メモリは、送信する送信信号の種類を変更する際に、変更前の時点における前記補正用データを記憶することを特徴とするパルス圧縮レーダ。 - 請求項1から4までの何れか一項に記載のパルス圧縮レーダであって、
前記補正用データは、前記理想送信信号記憶部が記憶する送信信号に対して、前記帰還信号をどれだけ素早く追従させるかを示す追従係数を用いて求められており、
前記補正用データ算出部は、前記理想送信信号記憶部が記憶する送信信号と、前記帰還信号と、を比較し、当該比較結果に基づいて、前記追従係数を決定して前記補正用データを算出することを特徴とするパルス圧縮レーダ。 - 請求項1から5までの何れか一項に記載のパルス圧縮レーダであって、
前記補正用データ算出部は、前記理想送信信号記憶部が記憶する送信信号と、前記帰還信号と、を比較し、当該比較結果に基づいて、前記補正用データを再計算するか否かを決定することを特徴とするパルス圧縮レーダ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012206033 | 2012-09-19 | ||
JP2012206033 | 2012-09-19 | ||
PCT/JP2013/074309 WO2014045928A1 (ja) | 2012-09-19 | 2013-09-10 | パルス圧縮レーダ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2014045928A1 JPWO2014045928A1 (ja) | 2016-08-18 |
JP6324314B2 true JP6324314B2 (ja) | 2018-05-16 |
Family
ID=50341242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014536763A Active JP6324314B2 (ja) | 2012-09-19 | 2013-09-10 | パルス圧縮レーダ |
Country Status (3)
Country | Link |
---|---|
US (1) | US9784819B2 (ja) |
JP (1) | JP6324314B2 (ja) |
WO (1) | WO2014045928A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6630978B2 (ja) * | 2014-03-28 | 2020-01-15 | 日本無線株式会社 | レーダ装置、信号処理装置及び信号処理方法 |
CN104237866B (zh) * | 2014-10-13 | 2016-08-31 | 武汉中原电子集团有限公司 | 一种改进的船载线性调频连续波雷达恒虚警检测方法 |
US10001548B2 (en) * | 2015-01-23 | 2018-06-19 | Navico Holding As | Amplitude envelope correction |
RU2609144C1 (ru) * | 2015-12-29 | 2017-01-30 | Акционерное общество "Научно-исследовательский институт Приборостроения имени В.В. Тихомирова" | Радиолокационная станция |
JP7195704B2 (ja) * | 2016-12-22 | 2022-12-26 | 古河電気工業株式会社 | パルス生成装置、およびその出力調整方法 |
US10921427B2 (en) * | 2018-02-21 | 2021-02-16 | Leolabs, Inc. | Drone-based calibration of a phased array radar |
US11067666B2 (en) * | 2018-05-29 | 2021-07-20 | The Boeing Company | Self-compensating radar system |
RU2716154C1 (ru) * | 2019-09-09 | 2020-03-06 | Акционерное общество научно-внедренческое предприятие "ПРОТЕК" | Устройство компенсации прямого радиолокационного сигнала радиопередатчика в приемнике двухпозиционной радиолокационной системы |
Family Cites Families (13)
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US4123719A (en) * | 1977-04-22 | 1978-10-31 | Westinghouse Electric Corp. | Chirp phase distortion detector in a wideband linearization feedback control loop |
US4600892A (en) * | 1984-06-28 | 1986-07-15 | Hughes Aircraft Company | RF amplifier with frequency spectrum control |
JPH0627807B2 (ja) * | 1986-01-07 | 1994-04-13 | 日本電気株式会社 | レ−ダの送信装置 |
JP2743996B2 (ja) * | 1987-07-22 | 1998-04-28 | 株式会社東芝 | レーダ送受信装置 |
US5568150A (en) * | 1995-07-31 | 1996-10-22 | Northrop Grumman Corporation | Method and apparatus for hybrid analog-digital pulse compression |
US5719579A (en) * | 1996-05-30 | 1998-02-17 | Esco Electronics Corporation | Virtual noise radar waveform for reduced radar detectability |
WO2001008320A1 (fr) * | 1999-07-28 | 2001-02-01 | Fujitsu Limited | Procede et appareil pour compensation de distorsion de dispositif radio |
CA2526133C (en) * | 2003-05-22 | 2012-04-10 | General Atomics | Ultra-wideband radar system using sub-band coded pulses |
US7019686B2 (en) * | 2004-02-27 | 2006-03-28 | Honeywell International Inc. | RF channel calibration for non-linear FM waveforms |
WO2007030485A2 (en) * | 2005-09-06 | 2007-03-15 | President And Fellows Of Harvard College | Nonlinear pulse oscillator methods and apparatus |
JP4865596B2 (ja) | 2007-02-28 | 2012-02-01 | 株式会社日立国際電気 | 無線受信装置 |
ES2350875T3 (es) * | 2008-02-22 | 2011-01-27 | Thales Nederland B.V. | Procedimiento para medir la velocidad radial de un objetivo con un radar doppler. |
JP5369350B2 (ja) * | 2009-08-14 | 2013-12-18 | 東京計器株式会社 | パルス圧縮における送信波形生成方法、送信波形生成プログラム及び送信波形生成方法によって製造されたパルス圧縮装置 |
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2013
- 2013-09-10 WO PCT/JP2013/074309 patent/WO2014045928A1/ja active Application Filing
- 2013-09-10 US US14/429,345 patent/US9784819B2/en active Active
- 2013-09-10 JP JP2014536763A patent/JP6324314B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
WO2014045928A1 (ja) | 2014-03-27 |
US9784819B2 (en) | 2017-10-10 |
US20150234036A1 (en) | 2015-08-20 |
JPWO2014045928A1 (ja) | 2016-08-18 |
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