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SE409148B - Filteranordning ingaende i mottagaren hos en pulsdopplerradar - Google Patents

Filteranordning ingaende i mottagaren hos en pulsdopplerradar

Info

Publication number
SE409148B
SE409148B SE7709119A SE7709119A SE409148B SE 409148 B SE409148 B SE 409148B SE 7709119 A SE7709119 A SE 7709119A SE 7709119 A SE7709119 A SE 7709119A SE 409148 B SE409148 B SE 409148B
Authority
SE
Sweden
Prior art keywords
filter
graffiti
radar
frequency
signals
Prior art date
Application number
SE7709119A
Other languages
English (en)
Swedish (sv)
Other versions
SE7709119L (sv
Inventor
B I Hegerlof
B G H 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
Priority to SE7709119A priority Critical patent/SE409148B/sv
Priority to GB7830900A priority patent/GB2002617B/en
Priority to FR7822113A priority patent/FR2400212A1/fr
Priority to DE2833050A priority patent/DE2833050C2/de
Priority to FI782352A priority patent/FI65863C/fi
Priority to NLAANVRAGE7808152,A priority patent/NL187872C/xx
Priority to IT26665/78A priority patent/IT1098359B/it
Priority to DK356178A priority patent/DK147428C/da
Priority to NO782748A priority patent/NO145964C/no
Priority to CH855578A priority patent/CH632850A5/de
Publication of SE7709119L publication Critical patent/SE7709119L/
Publication of SE409148B publication Critical patent/SE409148B/sv

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)
SE7709119A 1977-08-12 1977-08-12 Filteranordning ingaende i mottagaren hos en pulsdopplerradar SE409148B (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE7709119A SE409148B (sv) 1977-08-12 1977-08-12 Filteranordning ingaende i mottagaren hos en pulsdopplerradar
GB7830900A GB2002617B (en) 1977-08-12 1978-07-24 Radar receiver for pulse doppler radar equipment
FR7822113A FR2400212A1 (fr) 1977-08-12 1978-07-26 Filtre pour radar doppler a impulsions
DE2833050A DE2833050C2 (de) 1977-08-12 1978-07-27 Impuls-Dopplerradar-Filteranordnung
FI782352A FI65863C (fi) 1977-08-12 1978-07-28 Filteranordning ingaoende i en pulsdopplerradar
NLAANVRAGE7808152,A NL187872C (nl) 1977-08-12 1978-08-02 Filter voor de ontvanger van een puls-doppler-radar.
IT26665/78A IT1098359B (it) 1977-08-12 1978-08-10 Dispositivo filtrante per radar a impulsi doppler
DK356178A DK147428C (da) 1977-08-12 1978-08-11 Filterindretning til fjernelse af uoenskede ekkosignaler i en impuls-doppler-radarmodtager
NO782748A NO145964C (no) 1977-08-12 1978-08-11 Filteranordning som inngaar i en pulsdopplerradar
CH855578A CH632850A5 (de) 1977-08-12 1978-08-11 Impuls-dopplerradar-filteranordnung.

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE7709119L SE7709119L (sv) 1979-02-13
SE409148B true SE409148B (sv) 1979-07-30

Family

ID=20331986

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7709119A SE409148B (sv) 1977-08-12 1977-08-12 Filteranordning ingaende i mottagaren hos 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
FI65863C (fi) 1984-07-10
FR2400212B1 (fi) 1984-12-28
NL187872B (nl) 1991-09-02
SE7709119L (sv) 1979-02-13
IT7826665A0 (it) 1978-08-10
DK356178A (da) 1979-02-13
NO145964C (no) 1982-06-30
DE2833050C2 (de) 1986-08-07
GB2002617B (en) 1982-02-10
GB2002617A (en) 1979-02-21
FI65863B (fi) 1984-03-30
NL7808152A (nl) 1979-02-14
DK147428C (da) 1985-02-11
NO145964B (no) 1982-03-22
DE2833050A1 (de) 1979-03-01
FI782352A (fi) 1979-02-13
NO782748L (no) 1979-02-13
FR2400212A1 (fr) 1979-03-09
CH632850A5 (de) 1982-10-29
DK147428B (da) 1984-07-30
IT1098359B (it) 1985-09-07
NL187872C (nl) 1992-02-03

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