KR100329449B1 - 레이더장치 - Google Patents
레이더장치 Download PDFInfo
- Publication number
- KR100329449B1 KR100329449B1 KR1019960700986A KR19960700986A KR100329449B1 KR 100329449 B1 KR100329449 B1 KR 100329449B1 KR 1019960700986 A KR1019960700986 A KR 1019960700986A KR 19960700986 A KR19960700986 A KR 19960700986A KR 100329449 B1 KR100329449 B1 KR 100329449B1
- Authority
- KR
- South Korea
- Prior art keywords
- threshold
- doppler
- radar
- spectrum
- doppler spectrum
- 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.)
- Expired - Lifetime
Links
- 238000001228 spectrum Methods 0.000 claims abstract description 53
- 238000001514 detection method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- CNKHSLKYRMDDNQ-UHFFFAOYSA-N halofenozide Chemical compound C=1C=CC=CC=1C(=O)N(C(C)(C)C)NC(=O)C1=CC=C(Cl)C=C1 CNKHSLKYRMDDNQ-UHFFFAOYSA-N 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/5244—Adaptive clutter cancellation
-
- 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
-
- 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
- G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave
-
- 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
-
- 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
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
- G01S2013/0254—Active array antenna
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)
- Seeds, Soups, And Other Foods (AREA)
Abstract
Description
Claims (9)
- 고속 타켓들의 검출을 위한 레이더 장치에 있어서,안테나 수단과,M= 2, 3, . . .이고 N= 2, 3, . . .으로서, 안테나 방향마다 적어도 N 전송기 펄스들의 적어도 M 버스트들을 발생하기 위한 전송기 수단과,전송기 펄스마다, 레인지 퀀트(range quant) 마다에 대해 결정된 레이더 에코 신호의 수신을 위한 수신기 수단과,상기 수신기 수단에 연결된 비디오 프로세서로서, 상기 레이더 에코 신호를, 버스트 마다 그리고 레인지 퀀트 마다, N-빈 도플러 스펙트럼으로 처리하기 위한 N-포인트 도플러 필터뱅크와, 적어도 하나의 레인지 퀀트에 대해 적어도 하나의 임계값의 크로싱이 발생할 때 경보를 발생하기 위해 N 임계값들이 각 레인지 퀀트에 대해 제공되는 임계 회로를 포함하며,상기 임계 회로는 M 도플러 스펙트럼을 기초로 레인지 퀀트마다 N 임계 값들의 발생을 위해 임계값 발생기를 포함하는 것을 특징으로 하는 레이더 장치.
- 제 1 항에 있어서,P = 2, . . ., M으로서, 상기 임계값들은 P 연속적인 버스트들로부터 획득된 P 도플러 스펙트럼을 기초로 발생되는 것을 특징으로 하는 레이더 장치.
- 제 2 항에 있어서,상기 임계 발생기는 상기 P 도플러 스펙트럼을 기초로 평균 도플러 스펙트럼을 발생하기 위한 어큐뮬레이터를 포함하는 것을 특징으로 하는 레이더 장치.
- 제 3 항에 있어서,상기 임계 회로는, 미리 정해진 오보율을 얻기 위해서 도플러 주파수마다 결정된 부가적인 임계값 만큼 평균 도플러 스펙트럼을 증가시키기 위한 합산기를 포함하는 것을 특징으로 하는 레이더 장치.
- 제 4 항에 있어서,PRF는 미리 정해진 검출 영역 내의 타겟 영역을 분명하게 결정할 수 있도록 전송기 펄스들에 대해 선택되는 것을 특징으로 하는 레이더 장치.
- 제 5 항에 있어서,적어도 N 전송기 펄스들의 연속적인 버스트들은 다른 레이더 주파수들을 가지는 것을 특징으로 하는 레이더 장치.
- 제 6 항에 있어서,상기 레이더 주파수들이 선택되어서, 버스트로부터 버스트까지, 도플러 주파수가 최대 두개의 도플러 빈들에서 폴드-백 시프트들을 받지 않는 것을 특징으로하는 레이더 장치.
- 제 7 항에 있어서,M 버스트들은 동일한 PRF를 가지는 것을 특징으로 하는 레이더 장치.
- 제 7 항 또는 제 8 항에 있어서,상기 임계 회로에는 도플러 주파수 마다 상기 임계값들과 최종 획득된 도플러 스펙트럼을 비교하기 위한 비교기 회로와, K= 1, 2, . . ., L= 1, 2, . . ., 및 K < L < M으로서, L 연속 도플러 스펙트럼 중에 적어도 K가 적어도 하나의 임계 크로싱을 나타낼 경우에 경보를 발생하기 위한 경보 발생기가 제공되는 것을 특징으로 하는 레이더 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9301552 | 1993-09-08 | ||
NL9301552A NL9301552A (nl) | 1993-09-08 | 1993-09-08 | Radarapparaat. |
PCT/EP1994/002905 WO1995007472A1 (en) | 1993-09-08 | 1994-09-01 | Radar apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960704238A KR960704238A (ko) | 1996-08-31 |
KR100329449B1 true KR100329449B1 (ko) | 2002-08-08 |
Family
ID=19862853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960700986A Expired - Lifetime KR100329449B1 (ko) | 1993-09-08 | 1994-09-01 | 레이더장치 |
Country Status (13)
Country | Link |
---|---|
US (1) | US5708437A (ko) |
EP (1) | EP0717853B1 (ko) |
JP (1) | JP3160292B2 (ko) |
KR (1) | KR100329449B1 (ko) |
CN (1) | CN1063268C (ko) |
AU (1) | AU683689B2 (ko) |
BR (1) | BR9407435A (ko) |
CA (1) | CA2170646C (ko) |
DE (1) | DE69407303T2 (ko) |
NL (1) | NL9301552A (ko) |
TR (1) | TR27816A (ko) |
WO (1) | WO1995007472A1 (ko) |
ZA (1) | ZA945844B (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1309883B1 (en) | 2000-08-16 | 2007-01-31 | Raytheon Company | Video amplifier for a radar receiver |
DE10124865C1 (de) * | 2001-05-22 | 2003-03-27 | Eads Deutschland Gmbh | Verfahren zur Schätzung der Dopplerfrequenzposition des Hauptkeulenclutters bei mehrkanaligen Pulsdopplerradarsystemen |
US6433730B1 (en) * | 2001-06-07 | 2002-08-13 | The United States Of America As Represented By The Secretary Of The Navy | Noise riding threshold control with immunity to signals with high pulse repetition frequencies and high duty cycles |
US6859161B1 (en) | 2003-09-09 | 2005-02-22 | Lockheed Martin Corporation | System for time thresholding |
CN100392426C (zh) * | 2005-10-20 | 2008-06-04 | 武汉大学 | 单通道相控阵接收信号重构及处理方法 |
RU2319980C2 (ru) * | 2006-01-10 | 2008-03-20 | Зао "Вниира-Овд" | Способ и устройство измерения азимута радиолокационных целей |
GB2444989A (en) * | 2006-12-22 | 2008-06-25 | Plextek Ltd | Electronically steered radar system for detecting and monitoring slow moving ground based targets |
RU2536638C1 (ru) * | 2013-07-15 | 2014-12-27 | Андрей Владимирович Симонов | Способ обнаружения хаотической последовательности импульсов |
CN106338728B (zh) * | 2016-10-20 | 2018-08-17 | 加特兰微电子科技(上海)有限公司 | 雷达系统及其控制方法 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
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GB1605245A (en) * | 1973-07-24 | 1986-01-22 | Marconi Co Ltd | Phase-lock loop systems |
US4271412A (en) * | 1979-10-15 | 1981-06-02 | Raytheon Company | Range tracker utilizing spectral analysis |
IT1146164B (it) | 1980-07-16 | 1986-11-12 | Selenia Ind Elettroniche | Dispositivo di filtraggio doppler adattivo alla situazione di clutter ed ecm esterna per impianti radar |
US5225839A (en) * | 1980-12-29 | 1993-07-06 | Okurowski Frank A | All weather tactical strike system (AWTSS) and method of operation |
NL8101111A (nl) * | 1981-03-09 | 1982-10-01 | Hollandse Signaalapparaten Bv | Impulsradarapparaat. |
US4450446A (en) * | 1981-05-29 | 1984-05-22 | Westinghouse Electric Corp. | Method and system for tracking targets in a pulse doppler radar system |
NL8103178A (nl) * | 1981-07-02 | 1983-02-01 | Hollandse Signaalapparaten Bv | Zoekradarapparaat. |
FR2517069A1 (fr) * | 1981-11-24 | 1983-05-27 | Lmt Radio Professionelle | Radar doppler de surveillance terrestre |
US4622555A (en) * | 1982-09-02 | 1986-11-11 | Motorola, Inc. | Coded pulse Doppler radar with clutter-adaptive modulation and method therefore |
NL8300178A (nl) * | 1983-01-18 | 1984-08-16 | Hollandse Signaalapparaten Bv | Pulsradarapparaat. |
US4600925A (en) * | 1983-04-01 | 1986-07-15 | Rockwell International Corporation | Vector phase angle change distribution processor |
US5231402A (en) * | 1985-04-02 | 1993-07-27 | Telefunken Systemtechnik Gmbh | Method for detecting and classifying helicopters |
DE3540717A1 (de) * | 1985-11-16 | 1987-05-21 | Licentia Gmbh | Verfahren zur entfernungsmessung bei einem pulsradar hoher pulsfolgefrequenz |
US4873718A (en) * | 1987-07-16 | 1989-10-10 | Octel Communications Corp. | Feature telephone integration device |
NL8800002A (nl) * | 1988-01-04 | 1988-04-05 | Hollandse Signaalapparaten Bv | Moving target indicatie-eenheid. |
NL8801757A (nl) * | 1988-07-12 | 1990-02-01 | Hollandse Signaalapparaten Bv | Doeldetektor. |
JPH03180792A (ja) * | 1989-12-11 | 1991-08-06 | Fujitsu Ltd | レーダ信号処理方式 |
JP2750191B2 (ja) * | 1990-02-27 | 1998-05-13 | 富士通株式会社 | レーダ信号処理方式 |
US5027122A (en) * | 1990-03-12 | 1991-06-25 | Raytheon Company | Method and apparatus for doppler velocity de-aliasing |
IL96129A0 (en) * | 1990-07-20 | 1991-07-18 | Spectronix Ltd | Method and apparatus for detecting a fire,explosion,or projectile-penetration in a monitored space |
US5077558A (en) * | 1990-12-14 | 1991-12-31 | Allied-Signal Inc. | Airborne wind shear detection weather radar |
US5164731A (en) * | 1991-06-13 | 1992-11-17 | Westinghouse Electric Corp. | Turbulence radar system |
US5157403A (en) * | 1991-10-04 | 1992-10-20 | General Electric Co. | Noise correction in radars for diffuse targets |
NL9102125A (nl) * | 1991-12-19 | 1993-07-16 | Hollandse Signaalapparaten Bv | Radarapparaat voorzien van een coherente cluttermap. |
US5523759A (en) * | 1992-04-14 | 1996-06-04 | Honeywell Inc. | In flight doppler weather radar wind shear detection system |
US5233354A (en) * | 1992-11-13 | 1993-08-03 | The United States Of America As Represented By The Secretary Of The Navy | Radar target discrimination by spectrum analysis |
US5594450A (en) * | 1995-06-07 | 1997-01-14 | Schober; Michael B. | Radar system and method for detecting targets clutter using target intensity and angular position |
-
1993
- 1993-09-08 NL NL9301552A patent/NL9301552A/nl not_active Application Discontinuation
-
1994
- 1994-08-04 ZA ZA945844A patent/ZA945844B/xx unknown
- 1994-09-01 CN CN94193317A patent/CN1063268C/zh not_active Expired - Lifetime
- 1994-09-01 CA CA002170646A patent/CA2170646C/en not_active Expired - Lifetime
- 1994-09-01 DE DE69407303T patent/DE69407303T2/de not_active Expired - Lifetime
- 1994-09-01 EP EP94927532A patent/EP0717853B1/en not_active Expired - Lifetime
- 1994-09-01 BR BR9407435A patent/BR9407435A/pt not_active IP Right Cessation
- 1994-09-01 KR KR1019960700986A patent/KR100329449B1/ko not_active Expired - Lifetime
- 1994-09-01 US US08/605,066 patent/US5708437A/en not_active Expired - Lifetime
- 1994-09-01 AU AU76929/94A patent/AU683689B2/en not_active Expired
- 1994-09-01 JP JP50844195A patent/JP3160292B2/ja not_active Expired - Lifetime
- 1994-09-01 WO PCT/EP1994/002905 patent/WO1995007472A1/en active IP Right Grant
- 1994-09-06 TR TR00886/94A patent/TR27816A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
TR27816A (tr) | 1995-08-29 |
DE69407303T2 (de) | 1998-06-25 |
ZA945844B (en) | 1995-12-13 |
JPH09502271A (ja) | 1997-03-04 |
KR960704238A (ko) | 1996-08-31 |
BR9407435A (pt) | 1996-04-09 |
CA2170646A1 (en) | 1995-03-16 |
EP0717853B1 (en) | 1997-12-10 |
JP3160292B2 (ja) | 2001-04-25 |
CN1130946A (zh) | 1996-09-11 |
EP0717853A1 (en) | 1996-06-26 |
NL9301552A (nl) | 1995-04-03 |
AU683689B2 (en) | 1997-11-20 |
DE69407303D1 (de) | 1998-01-22 |
AU7692994A (en) | 1995-03-27 |
CA2170646C (en) | 2005-06-21 |
WO1995007472A1 (en) | 1995-03-16 |
US5708437A (en) | 1998-01-13 |
CN1063268C (zh) | 2001-03-14 |
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