DK97477A - Radarmodtager - Google Patents
RadarmodtagerInfo
- Publication number
- DK97477A DK97477A DK97477A DK97477A DK97477A DK 97477 A DK97477 A DK 97477A DK 97477 A DK97477 A DK 97477A DK 97477 A DK97477 A DK 97477A DK 97477 A DK97477 A DK 97477A
- Authority
- DK
- Denmark
- Prior art keywords
- radar receiver
- radar
- receiver
- Prior art date
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
- G01S7/28—Details of pulse systems
- G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
-
- 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
- G01S13/20—Systems for measuring distance only using transmission of interrupted, pulse modulated waves whereby multiple time-around echoes are used or eliminated
-
- 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
- G01S13/5242—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 with means for platform motion or scan motion compensation, e.g. airborne MTI
-
- 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
- G01S13/5246—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 post processors for coherent MTI discriminators, e.g. residue cancellers, CFAR after Doppler filters
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)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66513876A | 1976-03-08 | 1976-03-08 | |
US66513876 | 1976-03-08 | ||
US69075476 | 1976-05-27 | ||
US05/690,754 US4095222A (en) | 1976-03-08 | 1976-05-27 | Post-detection stc in a medium prf pulse doppler radar |
Publications (3)
Publication Number | Publication Date |
---|---|
DK97477A true DK97477A (da) | 1977-09-09 |
DK147585B DK147585B (da) | 1984-10-08 |
DK147585C DK147585C (da) | 1985-07-15 |
Family
ID=27099134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK97477A DK147585C (da) | 1976-03-08 | 1977-03-04 | Enkeltkanalimpulsdopplerradarmodtager med sidesloejfedetekteringskredsloeb |
Country Status (5)
Country | Link |
---|---|
US (1) | US4095222A (da) |
BE (1) | BE852118A (da) |
DK (1) | DK147585C (da) |
NL (1) | NL7702215A (da) |
NO (1) | NO146689C (da) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4377811A (en) * | 1981-01-07 | 1983-03-22 | Westinghouse Electric Corp. | Medium PRF pulse doppler radar having simplified ground moving target rejection capabilities |
FR2505052A1 (fr) * | 1981-04-30 | 1982-11-05 | Thomson Csf | Procede et dispositif de reduction de la puissance des signaux de brouillage recus par les lobes secondaires d'une antenne radar |
FR2512210A1 (fr) * | 1981-08-28 | 1983-03-04 | Thomson Csf | Dispositif d'elimination des echos mobiles de ne trace et des echos parasites dans un radar |
US4503432A (en) * | 1981-12-17 | 1985-03-05 | The United States Of America As Represented By The Secretary Of The Army | Adaptive threshold detection utilizing a tapped charge transfer device delay line |
FR2714483B1 (fr) * | 1982-01-22 | 1996-03-29 | Thomson Csf | Procédé et dispositif de réduction de la puissance des signaux de brouillage reçus par les lobes secondaires d'une antenne de radar à fréquence aléatoire. |
FR2629923A1 (fr) * | 1982-05-14 | 1989-10-13 | Dassault Electronique | Procede et dispositif notamment pour l'amelioration de la selectivite angulaire d'un radar aeroporte utilise en detection de sol |
IT1189312B (it) * | 1982-07-08 | 1988-02-04 | Selenia Ind Elettroniche | Dispositivo per la cancellazione post-detezione di falsi echi radar |
FR2746505B1 (fr) * | 1983-02-18 | 1998-06-26 | Labo Cent Telecommunicat | Procede et dispositif d'elimination des lobes secondaires en distance pour radars doppler a compression d'impulsions |
US4490831A (en) * | 1983-03-01 | 1984-12-25 | E Systems, Inc. | Digital pulse detector circuit having selectable false alarm rate |
US4584579A (en) * | 1983-11-01 | 1986-04-22 | The United States Of America As Represented By The Secretary Of The Air Force | Medium PRF pulse doppler radar processor for dense target environments |
US4713664A (en) * | 1985-05-24 | 1987-12-15 | Westinghouse Electric Corp. | Point clutter threshold determination for radar systems |
DE19600779A1 (de) * | 1996-01-11 | 1997-07-17 | Daimler Benz Aerospace Ag | Verfahren zur Erzeugung einer Clutter-Schwelle und Anordnungen zur Durchführung des Verfahrens |
US7259715B1 (en) | 2002-01-08 | 2007-08-21 | Science Applications International Corporation | Method for developing and using an image reconstruction algorithm for multipath scattering |
US6646593B1 (en) * | 2002-01-08 | 2003-11-11 | Science Applications International Corporation | Process for mapping multiple-bounce ghosting artifacts from radar imaging data |
US7903600B2 (en) * | 2007-07-05 | 2011-03-08 | Mediatek Inc. | Control of CDMA signal integration |
JP2011145069A (ja) * | 2010-01-12 | 2011-07-28 | Furuno Electric Co Ltd | 偽像低減装置、レーダ装置、偽像低減方法、および偽像低減プログラム |
GB201006503D0 (en) * | 2010-04-19 | 2010-06-02 | Cambridge Consultants | Radar filter |
US9213088B2 (en) * | 2011-05-17 | 2015-12-15 | Navico Holding As | Radar clutter suppression system |
CN103064074B (zh) * | 2012-12-23 | 2014-06-11 | 西安电子工程研究所 | 一种脉冲多普勒雷达在强杂波背景下的弱目标检测方法 |
BR112016005433B1 (pt) * | 2013-09-13 | 2022-08-16 | Bae Systems Plc | Método para detectar uma condição de propagação anômala em um sistema de radar, e, sistema de radar |
US10802108B2 (en) | 2014-07-31 | 2020-10-13 | Symbol Technologies, Llc | Two pass detection technique for non-echo pulsed ranging |
US9508248B2 (en) | 2014-12-12 | 2016-11-29 | Motorola Solutions, Inc. | Method and system for information management for an incident response |
US10354350B2 (en) | 2016-10-18 | 2019-07-16 | Motorola Solutions, Inc. | Method and system for information management for an incident response |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3094695A (en) * | 1960-03-23 | 1963-06-18 | Sperry Rand Corp | Antenna side lobe suppression system |
NL270887A (da) * | 1960-11-03 | |||
US3659290A (en) * | 1970-08-03 | 1972-04-25 | Sanders Associates Inc | Apparatus for providing sensitivity-time control for radar receivers |
US3765020A (en) * | 1972-04-14 | 1973-10-09 | Raytheon Co | Digitally controlled attenuator |
US3955196A (en) * | 1972-05-10 | 1976-05-04 | Kabushikikaisha Tokyo Keiki | Marine radar transmission and reception system |
US3787848A (en) * | 1972-08-28 | 1974-01-22 | Hughes Aircraft Co | System for discriminating between high and low speed targets |
US3831174A (en) * | 1973-02-05 | 1974-08-20 | Hughes Aircraft Co | Automatic target acquisition in mti radar system |
US3860924A (en) * | 1973-08-31 | 1975-01-14 | Hughes Aircraft Co | Moving target indicator system |
US3943511A (en) * | 1974-05-31 | 1976-03-09 | Hughes Aircraft Company | Spike enable circuit |
US3949398A (en) * | 1974-12-16 | 1976-04-06 | International Telephone And Telegraph Corporation | MTI performance enhancement device with instantaneous automatic gain control |
-
1976
- 1976-05-27 US US05/690,754 patent/US4095222A/en not_active Expired - Lifetime
-
1977
- 1977-03-02 NL NL7702215A patent/NL7702215A/xx not_active Application Discontinuation
- 1977-03-04 BE BE175498A patent/BE852118A/xx not_active IP Right Cessation
- 1977-03-04 DK DK97477A patent/DK147585C/da active
- 1977-03-07 NO NO770784A patent/NO146689C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO146689B (no) | 1982-08-09 |
DK147585C (da) | 1985-07-15 |
NO146689C (no) | 1982-11-17 |
NO770784L (no) | 1977-09-09 |
NL7702215A (nl) | 1977-09-12 |
BE852118A (fr) | 1977-09-05 |
US4095222A (en) | 1978-06-13 |
DK147585B (da) | 1984-10-08 |
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