FI782352A - Filteranordning ingaoende i en pulsdopplerradar - Google Patents

Filteranordning ingaoende i en pulsdopplerradar

Info

Publication number
FI782352A
FI782352A FI782352A FI782352A FI782352A FI 782352 A FI782352 A FI 782352A FI 782352 A FI782352 A FI 782352A FI 782352 A FI782352 A FI 782352A FI 782352 A FI782352 A FI 782352A
Authority
FI
Finland
Prior art keywords
pulsdoppler
radar
inspection
pulsdoppler radar
Prior art date
Application number
FI782352A
Other languages
English (en)
Other versions
FI65863B (fi
FI65863C (fi
Inventor
Bernt Ingvar Haegerloef
Bengt Goeran Hjalmar Isaksson
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 FI782352A publication Critical patent/FI782352A/fi
Publication of FI65863B publication Critical patent/FI65863B/fi
Application granted granted Critical
Publication of FI65863C publication Critical patent/FI65863C/fi

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

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)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Surgical Instruments (AREA)
  • Sheet Holders (AREA)
  • Electrotherapy Devices (AREA)
FI782352A 1977-08-12 1978-07-28 Filteranordning ingaoende i en pulsdopplerradar FI65863C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7709119A SE409148B (sv) 1977-08-12 1977-08-12 Filteranordning ingaende i mottagaren hos en pulsdopplerradar
SE7709119 1977-08-12

Publications (3)

Publication Number Publication Date
FI782352A true FI782352A (fi) 1979-02-13
FI65863B FI65863B (fi) 1984-03-30
FI65863C FI65863C (fi) 1984-07-10

Family

ID=20331986

Family Applications (1)

Application Number Title Priority Date Filing Date
FI782352A FI65863C (fi) 1977-08-12 1978-07-28 Filteranordning ingaoende i en pulsdopplerradar

Country Status (10)

Country Link
CH (1) CH632850A5 (fi)
DE (1) DE2833050C2 (fi)
DK (1) DK147428C (fi)
FI (1) FI65863C (fi)
FR (1) FR2400212A1 (fi)
GB (1) GB2002617B (fi)
IT (1) IT1098359B (fi)
NL (1) NL187872C (fi)
NO (1) NO145964C (fi)
SE (1) SE409148B (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632420B1 (fr) * 1987-10-16 1990-10-12 Thomson Csf Procede et dispositif de compensation de la vitesse du fouillis dans un radar doppler coherent a vitesse ambigue variable
DE19654769A1 (de) * 1996-12-30 1998-07-02 Teves Gmbh Alfred Verfahren und Vorrichtung zur Fahrzeugsteuerung bzw. -regelung
US6049302A (en) * 1999-05-04 2000-04-11 Boeing North American Pulsed doppler radar system with small intermediate frequency filters
GB0301614D0 (en) * 2003-01-24 2013-05-08 Qinetiq Ltd Target visibility enhancement system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742500A (en) * 1970-08-24 1973-06-26 Raytheon Co Mti radar
IT950144B (it) * 1971-03-17 1973-06-20 Int Standard Electric Corp Sistema per l eliminazione della velocita degli echi di disturbo adattabile per un sistema digitale ad impulsi indicatore di bersagli mobili
US3962704A (en) * 1974-05-31 1976-06-08 Hughes Aircraft Company Moving target indicator clutter tracker
US4035799A (en) * 1975-11-04 1977-07-12 The United States Of America As Represented By The Secretary Of The Navy Digital mean clutter doppler compensation system

Also Published As

Publication number Publication date
NL7808152A (nl) 1979-02-14
DK147428C (da) 1985-02-11
FR2400212B1 (fi) 1984-12-28
NL187872B (nl) 1991-09-02
DK356178A (da) 1979-02-13
FI65863B (fi) 1984-03-30
FR2400212A1 (fr) 1979-03-09
IT1098359B (it) 1985-09-07
GB2002617B (en) 1982-02-10
DE2833050C2 (de) 1986-08-07
SE409148B (sv) 1979-07-30
IT7826665A0 (it) 1978-08-10
DE2833050A1 (de) 1979-03-01
NO145964B (no) 1982-03-22
NL187872C (nl) 1992-02-03
GB2002617A (en) 1979-02-21
DK147428B (da) 1984-07-30
NO145964C (no) 1982-06-30
CH632850A5 (de) 1982-10-29
FI65863C (fi) 1984-07-10
SE7709119L (sv) 1979-02-13
NO782748L (no) 1979-02-13

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Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: OY L M ERICSSON AB