DE3485302D1 - Adaptive filtergruppe. - Google Patents
Adaptive filtergruppe.Info
- Publication number
- DE3485302D1 DE3485302D1 DE8484307154T DE3485302T DE3485302D1 DE 3485302 D1 DE3485302 D1 DE 3485302D1 DE 8484307154 T DE8484307154 T DE 8484307154T DE 3485302 T DE3485302 T DE 3485302T DE 3485302 D1 DE3485302 D1 DE 3485302D1
- Authority
- DE
- Germany
- Prior art keywords
- adaptive filter
- filter group
- group
- adaptive
- filter
- 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
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
- G01S13/53—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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Time-Division Multiplex Systems (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/548,607 US4694298A (en) | 1983-11-04 | 1983-11-04 | Adaptive, fault-tolerant narrowband filterbank |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3485302D1 true DE3485302D1 (de) | 1992-01-09 |
Family
ID=24189605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484307154T Expired - Lifetime DE3485302D1 (de) | 1983-11-04 | 1984-10-18 | Adaptive filtergruppe. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4694298A (de) |
EP (1) | EP0141583B1 (de) |
JP (1) | JPS60114780A (de) |
DE (1) | DE3485302D1 (de) |
ES (1) | ES8800443A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4783660A (en) * | 1986-09-29 | 1988-11-08 | Signatron, Inc. | Signal source distortion compensator |
FR2628909B1 (fr) * | 1988-03-18 | 1990-07-13 | Thomson Csf | Procede et dispositifs de translation le long de l'axe des frequences du module de la fonction de transfert d'un filtre |
US5014061A (en) * | 1989-04-24 | 1991-05-07 | Technology Research International | Adaptive multifrequency signal combining system |
US4931800A (en) * | 1989-05-12 | 1990-06-05 | Raytheon Company | Stagger compensated moving target detector |
US5235669A (en) * | 1990-06-29 | 1993-08-10 | At&T Laboratories | Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec |
US5410313A (en) * | 1992-11-17 | 1995-04-25 | Honeywell Inc. | Functional radar warning receiver back-up generator |
KR101612979B1 (ko) * | 2008-10-02 | 2016-04-15 | 엘지전자 주식회사 | 화질 조정 방법 및 그를 이용한 영상 표시 장치. |
US11047955B2 (en) * | 2018-07-06 | 2021-06-29 | Lyft, Inc. | Calibrating a radar antenna |
CN114488224B (zh) * | 2021-12-24 | 2023-04-07 | 西南交通大学 | 一种用于卫星集中式自主导航的自适应滤波方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2616770C3 (de) * | 1976-04-15 | 1978-10-12 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur Simulierung eines Puls-Doppler-Radar-Bewegtzielechosignales |
US4093989A (en) * | 1976-12-03 | 1978-06-06 | Rockland Systems Corporation | Spectrum analyzer using digital filters |
FR2446487A1 (fr) * | 1979-01-09 | 1980-08-08 | Thomson Csf | Dispositif de test automatique des filtres numeriques plus particulierement utilises pour l'elimination des echos fixes |
GB2044034B (en) * | 1979-03-10 | 1983-05-25 | Plessey Co Ltd | Adaptive mti |
US4536764A (en) * | 1982-09-29 | 1985-08-20 | Westinghouse Electric Corp. | Method of counting multiple targets in the post detection processing of a radar |
-
1983
- 1983-11-04 US US06/548,607 patent/US4694298A/en not_active Expired - Lifetime
-
1984
- 1984-10-18 EP EP84307154A patent/EP0141583B1/de not_active Expired - Lifetime
- 1984-10-18 DE DE8484307154T patent/DE3485302D1/de not_active Expired - Lifetime
- 1984-11-02 ES ES537345A patent/ES8800443A1/es not_active Expired
- 1984-11-05 JP JP59231460A patent/JPS60114780A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0141583B1 (de) | 1991-11-27 |
ES537345A0 (es) | 1987-11-01 |
ES8800443A1 (es) | 1987-11-01 |
EP0141583A2 (de) | 1985-05-15 |
US4694298A (en) | 1987-09-15 |
JPS60114780A (ja) | 1985-06-21 |
EP0141583A3 (en) | 1987-01-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |