CH507522A - Verfahren zur Unterdrückung unerwünschter Signale bei gepulsten Doppler-Radargeräten, die mit einer Verschiebung der Impulswiederholungsfrequenz arbeiten - Google Patents

Verfahren zur Unterdrückung unerwünschter Signale bei gepulsten Doppler-Radargeräten, die mit einer Verschiebung der Impulswiederholungsfrequenz arbeiten

Info

Publication number
CH507522A
CH507522A CH685070A CH685070A CH507522A CH 507522 A CH507522 A CH 507522A CH 685070 A CH685070 A CH 685070A CH 685070 A CH685070 A CH 685070A CH 507522 A CH507522 A CH 507522A
Authority
CH
Switzerland
Prior art keywords
shift
operate
repetition frequency
pulse repetition
doppler radar
Prior art date
Application number
CH685070A
Other languages
English (en)
Inventor
Jan-Ove Dipl Ing Nordwall
Bengt-Ake Dipl Ing Sevedag
Werner Dipl-Ing Sjostrom Lars
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CH507522A publication Critical patent/CH507522A/de

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
    • G01S13/526—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 the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
    • G01S13/528—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 the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters with elimination of blind speeds

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)
  • Optical Radar Systems And Details Thereof (AREA)
CH685070A 1969-05-09 1970-05-08 Verfahren zur Unterdrückung unerwünschter Signale bei gepulsten Doppler-Radargeräten, die mit einer Verschiebung der Impulswiederholungsfrequenz arbeiten CH507522A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE657869A SE330918B (de) 1969-05-09 1969-05-09

Publications (1)

Publication Number Publication Date
CH507522A true CH507522A (de) 1971-05-15

Family

ID=20269057

Family Applications (1)

Application Number Title Priority Date Filing Date
CH685070A CH507522A (de) 1969-05-09 1970-05-08 Verfahren zur Unterdrückung unerwünschter Signale bei gepulsten Doppler-Radargeräten, die mit einer Verschiebung der Impulswiederholungsfrequenz arbeiten

Country Status (8)

Country Link
JP (1) JPS508637B1 (de)
CH (1) CH507522A (de)
DE (1) DE2022234B2 (de)
FR (1) FR2042527B1 (de)
GB (1) GB1306961A (de)
NL (1) NL174989C (de)
NO (1) NO123045B (de)
SE (1) SE330918B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3110279C2 (de) * 1981-03-17 1984-01-19 Siemens AG, 1000 Berlin und 8000 München Puls-Doppler-Radargerät mit veränderbarer Pulsfolgefrequenz
US6049302A (en) * 1999-05-04 2000-04-11 Boeing North American Pulsed doppler radar system with small intermediate frequency filters

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124761A (en) * 1964-03-10 Circuit
US3155973A (en) * 1956-06-13 1964-11-03 Westinghouse Electric Corp Multiple pulse repetition frequency automatic range tracking pulse doppler radar
FR1392158A (fr) * 1963-05-16 1965-03-12 Lab For Electronics Perfectionnements aux dispositifs de radar à effet doppler-fizeau
FR1527999A (fr) * 1967-04-21 1968-06-07 Csf Perfectionnement aux dispositifs d'élimination d'échos fixes

Also Published As

Publication number Publication date
GB1306961A (en) 1973-02-14
NL7006335A (de) 1970-11-11
NL174989C (nl) 1984-09-03
DE2022234B2 (de) 1972-07-27
FR2042527A1 (de) 1971-02-12
NO123045B (de) 1971-09-20
SE330918B (de) 1970-12-07
DE2022234A1 (de) 1970-11-19
NL174989B (nl) 1984-04-02
JPS508637B1 (de) 1975-04-05
FR2042527B1 (de) 1974-07-12

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Legal Events

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