JPS5315640B2 - - Google Patents

Info

Publication number
JPS5315640B2
JPS5315640B2 JP2719973A JP2719973A JPS5315640B2 JP S5315640 B2 JPS5315640 B2 JP S5315640B2 JP 2719973 A JP2719973 A JP 2719973A JP 2719973 A JP2719973 A JP 2719973A JP S5315640 B2 JPS5315640 B2 JP S5315640B2
Authority
JP
Japan
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
Application number
JP2719973A
Other versions
JPS492493A (ja
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 filed Critical
Publication of JPS492493A publication Critical patent/JPS492493A/ja
Publication of JPS5315640B2 publication Critical patent/JPS5315640B2/ja
Expired 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
    • 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

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)
  • Control Of Amplification And Gain Control (AREA)
JP2719973A 1972-03-10 1973-03-09 Expired JPS5315640B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23383472A 1972-03-10 1972-03-10

Publications (2)

Publication Number Publication Date
JPS492493A JPS492493A (ja) 1974-01-10
JPS5315640B2 true JPS5315640B2 (ja) 1978-05-26

Family

ID=22878871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2719973A Expired JPS5315640B2 (ja) 1972-03-10 1973-03-09

Country Status (2)

Country Link
US (1) US3786506A (ja)
JP (1) JPS5315640B2 (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058809A (en) * 1972-06-26 1977-11-15 Control Data Corporation MTI system and method
US3944942A (en) * 1972-06-26 1976-03-16 Control Data Corporation Automatic gain control circuit and method
US4263560A (en) * 1974-06-06 1981-04-21 The United States Of America As Represented By The Secretary Of The Navy Log-exponential AGC circuit
FR2409521A1 (fr) * 1977-11-22 1979-06-15 Thomson Csf Dispositif d'elimination des echos fixes, plus particulierement associe a un systeme radar et systeme radar le comprenant
FR2581198B1 (fr) * 1977-12-16 1987-08-07 Thomson Csf Dispositif d'elimination des echos fixes d'un radar et radar comportant un tel dispositif.
GB1546061A (en) * 1978-01-03 1979-05-16 Lapy V Automatic shipboard collision avoidance system
US4233604A (en) * 1978-11-27 1980-11-11 Thomson-Csf Receiver with fixed-echo suppressor
US4571590A (en) * 1983-07-13 1986-02-18 Westinghouse Electric Corp. System for adaptively adjusting radar receiver attenuation
US4710772A (en) * 1985-12-05 1987-12-01 Raytheon Company Log magnitude pulse interference detection for a radar system
US4680588A (en) * 1985-12-05 1987-07-14 Raytheon Company Radar system with incremental automatic gain control
FR2712750B1 (fr) * 1993-11-19 1995-12-22 Thomson Csf Dispositif de commande automatique de gain dans une chaîne de réception radiofréquence.
US6532358B1 (en) 2000-08-03 2003-03-11 Tektronix, Inc. Overload distortion protection for a wideband receiver
US7325174B2 (en) * 2003-12-26 2008-01-29 Electronics And Telecommunications Research Institute Pre-processing apparatus using nonuniform quantization of channel reliability value and LDPC decoding system using the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3162814A (en) * 1960-02-12 1964-12-22 Marvin D Aasen Frequency base agc
US3267463A (en) * 1964-05-14 1966-08-16 Irwin D Olin Compensator for variation in radar target reflectivity due to range changes
US3599208A (en) * 1969-04-25 1971-08-10 Us Navy Radar system

Also Published As

Publication number Publication date
US3786506A (en) 1974-01-15
JPS492493A (ja) 1974-01-10

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