DE2833050C2 - Impuls-Dopplerradar-Filteranordnung - Google Patents

Impuls-Dopplerradar-Filteranordnung

Info

Publication number
DE2833050C2
DE2833050C2 DE2833050A DE2833050A DE2833050C2 DE 2833050 C2 DE2833050 C2 DE 2833050C2 DE 2833050 A DE2833050 A DE 2833050A DE 2833050 A DE2833050 A DE 2833050A DE 2833050 C2 DE2833050 C2 DE 2833050C2
Authority
DE
Germany
Prior art keywords
filter
dfl
frequency
clutter
signal
Prior art date
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
DE2833050A
Other languages
German (de)
English (en)
Other versions
DE2833050A1 (de
Inventor
Bernt Ingvar Alingsaas Hägerlöf
Bengt Göran Hjalmar Göteborg Isaksson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE2833050A1 publication Critical patent/DE2833050A1/de
Application granted granted Critical
Publication of DE2833050C2 publication Critical patent/DE2833050C2/de
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
    • 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)
DE2833050A 1977-08-12 1978-07-27 Impuls-Dopplerradar-Filteranordnung Expired DE2833050C2 (de)

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
DE2833050A1 DE2833050A1 (de) 1979-03-01
DE2833050C2 true DE2833050C2 (de) 1986-08-07

Family

ID=20331986

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2833050A Expired DE2833050C2 (de) 1977-08-12 1978-07-27 Impuls-Dopplerradar-Filteranordnung

Country Status (10)

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

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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
DK147428B (da) 1984-07-30
FI65863B (fi) 1984-03-30
NL7808152A (nl) 1979-02-14
IT7826665A0 (it) 1978-08-10
NO145964B (no) 1982-03-22
FI65863C (fi) 1984-07-10
NL187872C (nl) 1992-02-03
NO145964C (no) 1982-06-30
DE2833050A1 (de) 1979-03-01
GB2002617A (en) 1979-02-21
SE7709119L (sv) 1979-02-13
DK356178A (da) 1979-02-13
NL187872B (nl) 1991-09-02
SE409148B (sv) 1979-07-30
CH632850A5 (de) 1982-10-29
FR2400212B1 (da) 1984-12-28
NO782748L (no) 1979-02-13
FR2400212A1 (fr) 1979-03-09
IT1098359B (it) 1985-09-07
DK147428C (da) 1985-02-11
GB2002617B (en) 1982-02-10
FI782352A (fi) 1979-02-13

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G01S 13/50

D2 Grant after examination
8364 No opposition during term of opposition