CA2020639A1 - Refulateur de sensibilite temporise - Google Patents
Refulateur de sensibilite temporiseInfo
- Publication number
- CA2020639A1 CA2020639A1 CA2020639A CA2020639A CA2020639A1 CA 2020639 A1 CA2020639 A1 CA 2020639A1 CA 2020639 A CA2020639 A CA 2020639A CA 2020639 A CA2020639 A CA 2020639A CA 2020639 A1 CA2020639 A1 CA 2020639A1
- Authority
- CA
- Canada
- Prior art keywords
- time control
- sensitivity time
- control device
- analog
- attenuator
- 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.)
- Granted
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
- G01S7/285—Receivers
- G01S7/34—Gain of receiver varied automatically during pulse-recurrence period, e.g. anti-clutter gain control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3922429A DE3922429C1 (fr) | 1989-07-07 | 1989-07-07 | |
DEP3922429.5 | 1989-07-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2020639A1 true CA2020639A1 (fr) | 1991-01-08 |
CA2020639C CA2020639C (fr) | 1994-07-26 |
Family
ID=6384530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002020639A Expired - Fee Related CA2020639C (fr) | 1989-07-07 | 1990-07-06 | Refulateur de sensibilite temporise |
Country Status (4)
Country | Link |
---|---|
US (1) | US4994811A (fr) |
EP (1) | EP0406878B1 (fr) |
CA (1) | CA2020639C (fr) |
DE (2) | DE3922429C1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5293325A (en) * | 1991-11-22 | 1994-03-08 | Alliedsignal Inc. | Apparatus and method for compensating a radar's sensitivity timing control circuit |
US5221928A (en) * | 1992-06-12 | 1993-06-22 | Motorola, Inc. | Method and apparatus for accurate, high speed pulse-echo measurement calibration |
US5298905A (en) * | 1992-06-12 | 1994-03-29 | Motorola, Inc. | Visible light detection and ranging apparatus and method |
DE19821188A1 (de) | 1998-05-12 | 1999-11-18 | Itt Mfg Enterprises Inc | Verfahren und elektrische Schaltung zur Verarbeitung eines analogen elektrischen Signals |
US6667711B1 (en) | 2001-05-31 | 2003-12-23 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for discerning degradation of electromagnetic radiating tubes |
US6489919B1 (en) | 2001-05-31 | 2002-12-03 | The United States Of America As Represented By The Secretary Of The Navy | Detector of faulty radar transmit tubes |
US8755037B2 (en) | 2009-06-26 | 2014-06-17 | Trimble Ab | Distance measuring device |
US9213088B2 (en) * | 2011-05-17 | 2015-12-15 | Navico Holding As | Radar clutter suppression system |
US9157989B2 (en) | 2012-08-29 | 2015-10-13 | Trimble Ab | Distance measurement methods and apparatus |
EP2796889A1 (fr) * | 2013-04-25 | 2014-10-29 | BAE Systems PLC | Améliorations apportées et associées à la régulation de gain variable dans le temps pour des radars |
WO2014174245A1 (fr) * | 2013-04-25 | 2014-10-30 | Bae Systems Plc | Améliorations apportées ou étant associées à une commande de temps de sensibilité pour des radars |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3231889A (en) * | 1963-08-26 | 1966-01-25 | Honeywell Inc | Pulse type radar altimeter |
US3525095A (en) * | 1968-08-06 | 1970-08-18 | Bendix Corp | Compensation for precipitation attenuation |
US4062011A (en) * | 1972-08-21 | 1977-12-06 | Control Data Corporation | MTI System processor and method |
US3949398A (en) * | 1974-12-16 | 1976-04-06 | International Telephone And Telegraph Corporation | MTI performance enhancement device with instantaneous automatic gain control |
US4194200A (en) * | 1977-05-31 | 1980-03-18 | The United States Of America As Represented By The Secretary Of The Air Force | Combined receiver protector, AGC attenuator and sensitivity time control device |
US4370652A (en) * | 1980-07-02 | 1983-01-25 | Sperry Corporation | Control systems for radar receivers |
GB2098020B (en) * | 1981-05-05 | 1984-10-10 | Hollandse Signaalapparaten Bv | Improvements in or relating to radar systems employing two kinds of pulses |
US4509050A (en) * | 1982-08-30 | 1985-04-02 | United Technologies Corporation | Automatic adaptive sensitivity time control for a ground mapping radar |
US4529983A (en) * | 1982-08-30 | 1985-07-16 | King Radio Corporation | Apparatus and method for the correction of attenuation-induced errors in a weather radar receiver |
JPS6058570A (ja) * | 1983-09-12 | 1985-04-04 | Mitsubishi Electric Corp | 追尾レ−ダのデイジタル信号処理装置 |
US4680588A (en) * | 1985-12-05 | 1987-07-14 | Raytheon Company | Radar system with incremental automatic gain control |
US4728953A (en) * | 1986-10-03 | 1988-03-01 | Motorola, Inc. | Closed loop control of receiver turn-on to increase radar sensitivity |
-
1989
- 1989-07-07 DE DE3922429A patent/DE3922429C1/de not_active Expired - Fee Related
-
1990
- 1990-07-06 EP EP90112923A patent/EP0406878B1/fr not_active Expired - Lifetime
- 1990-07-06 DE DE59008880T patent/DE59008880D1/de not_active Expired - Fee Related
- 1990-07-06 CA CA002020639A patent/CA2020639C/fr not_active Expired - Fee Related
- 1990-07-06 US US07/548,796 patent/US4994811A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59008880D1 (de) | 1995-05-18 |
EP0406878A2 (fr) | 1991-01-09 |
US4994811A (en) | 1991-02-19 |
CA2020639C (fr) | 1994-07-26 |
EP0406878A3 (en) | 1991-09-11 |
EP0406878B1 (fr) | 1995-04-12 |
DE3922429C1 (fr) | 1991-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |