SE330918B - - Google Patents

Info

Publication number
SE330918B
SE330918B SE657869A SE657869A SE330918B SE 330918 B SE330918 B SE 330918B SE 657869 A SE657869 A SE 657869A SE 657869 A SE657869 A SE 657869A SE 330918 B SE330918 B SE 330918B
Authority
SE
Sweden
Application number
SE657869A
Inventor
L Sjoestroem
J Nordwall
B Sevedag
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
Priority to SE657869A priority Critical patent/SE330918B/xx
Priority to NL7006335A priority patent/NL174989C/nl
Priority to DE19702022234 priority patent/DE2022234B2/de
Priority to FR7016870A priority patent/FR2042527B1/fr
Priority to CH685070A priority patent/CH507522A/de
Priority to NO176070A priority patent/NO123045B/no
Priority to GB2246370A priority patent/GB1306961A/en
Priority to JP3870370A priority patent/JPS508637B1/ja
Publication of SE330918B publication Critical patent/SE330918B/xx

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)
SE657869A 1969-05-09 1969-05-09 SE330918B (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE657869A SE330918B (nl) 1969-05-09 1969-05-09
NL7006335A NL174989C (nl) 1969-05-09 1970-04-29 Werkwijze voor het onderdrukken van niet gewenste signalen in een doppler radar, werkende met een pulsherhalingsfrequentieverschuiving.
DE19702022234 DE2022234B2 (de) 1969-05-09 1970-04-30 Verfahren zum unterdruecken von in puls-doppler-radargeraeten umschaltbarer impulswiederholfrequenz bei der umschaltung auftretender signalen
FR7016870A FR2042527B1 (nl) 1969-05-09 1970-05-08
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
NO176070A NO123045B (nl) 1969-05-09 1970-05-08
GB2246370A GB1306961A (en) 1969-05-09 1970-05-08 Circuits and methods for handling radar signals
JP3870370A JPS508637B1 (nl) 1969-05-09 1970-05-08

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE330918B true SE330918B (nl) 1970-12-07

Family

ID=20269057

Family Applications (1)

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

Country Status (8)

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

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
FR2042527A1 (nl) 1971-02-12
NL174989B (nl) 1984-04-02
NL7006335A (nl) 1970-11-11
CH507522A (de) 1971-05-15
NO123045B (nl) 1971-09-20
GB1306961A (en) 1973-02-14
DE2022234A1 (de) 1970-11-19
DE2022234B2 (de) 1972-07-27
NL174989C (nl) 1984-09-03
JPS508637B1 (nl) 1975-04-05
FR2042527B1 (nl) 1974-07-12

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