CA2020639A1 - Refulateur de sensibilite temporise - Google Patents

Refulateur de sensibilite temporise

Info

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
Application number
CA2020639A
Other languages
English (en)
Other versions
CA2020639C (fr
Inventor
Joao Moreira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsches Zentrum fuer Luft und Raumfahrt eV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deutsches Zentrum fuer Luft und Raumfahrt eV filed Critical Deutsches Zentrum fuer Luft und Raumfahrt eV
Publication of CA2020639A1 publication Critical patent/CA2020639A1/fr
Application granted granted Critical
Publication of CA2020639C publication Critical patent/CA2020639C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
CA002020639A 1989-07-07 1990-07-06 Refulateur de sensibilite temporise Expired - Fee Related CA2020639C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3922429.5 1989-07-07
DE3922429A DE3922429C1 (fr) 1989-07-07 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)

* Cited by examiner, † Cited by third party
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
US5298905A (en) * 1992-06-12 1994-03-29 Motorola, Inc. Visible light detection and ranging apparatus and method
US5221928A (en) * 1992-06-12 1993-06-22 Motorola, Inc. Method and apparatus for accurate, high speed pulse-echo measurement calibration
DE19821188A1 (de) * 1998-05-12 1999-11-18 Itt Mfg Enterprises Inc Verfahren und elektrische Schaltung zur Verarbeitung eines analogen elektrischen Signals
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
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
WO2010149219A1 (fr) 2009-06-26 2010-12-29 Trimble Ab Dispositif de mesure de distance
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
BR112015025273A2 (pt) * 2013-04-25 2017-07-18 Bae Systems Plc método para proporcionar uma atenuação seletiva no receptor de radar, meio de armazenamento legível por computador, e, receptor de radar

Family Cites Families (11)

* Cited by examiner, † Cited by third party
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
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
US4509050A (en) * 1982-08-30 1985-04-02 United Technologies Corporation Automatic adaptive sensitivity time control for a ground mapping radar
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

Also Published As

Publication number Publication date
CA2020639C (fr) 1994-07-26
DE3922429C1 (fr) 1991-01-24
EP0406878A2 (fr) 1991-01-09
US4994811A (en) 1991-02-19
EP0406878B1 (fr) 1995-04-12
DE59008880D1 (de) 1995-05-18
EP0406878A3 (en) 1991-09-11

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed