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NL7808152A - FILTER DEVICE FOR A DOPPLER RADAR SYSTEM. - Google Patents

FILTER DEVICE FOR A DOPPLER RADAR SYSTEM.

Info

Publication number
NL7808152A
NL7808152A NL787808152A NL7808152A NL7808152A NL 7808152 A NL7808152 A NL 7808152A NL 787808152 A NL787808152 A NL 787808152A NL 7808152 A NL7808152 A NL 7808152A NL 7808152 A NL7808152 A NL 7808152A
Authority
NL
Netherlands
Prior art keywords
filter device
radar system
doppler radar
doppler
filter
Prior art date
Application number
NL787808152A
Other languages
Dutch (nl)
Other versions
NL187872B (en
NL187872C (en
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 NL7808152A publication Critical patent/NL7808152A/en
Publication of NL187872B publication Critical patent/NL187872B/en
Application granted granted Critical
Publication of NL187872C publication Critical patent/NL187872C/en

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)
NLAANVRAGE7808152,A 1977-08-12 1978-08-02 FILTER FOR THE RECEIVER OF A PULSE DOPPLER RADAR. NL187872C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7709119A SE409148B (en) 1977-08-12 1977-08-12 FILTER DEVICE INCLUDED IN THE RECEIVER OF A PULSE DOPPER RADAR

Publications (3)

Publication Number Publication Date
NL7808152A true NL7808152A (en) 1979-02-14
NL187872B NL187872B (en) 1991-09-02
NL187872C NL187872C (en) 1992-02-03

Family

ID=20331986

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7808152,A NL187872C (en) 1977-08-12 1978-08-02 FILTER FOR THE RECEIVER OF A PULSE DOPPLER RADAR.

Country Status (10)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632420B1 (en) * 1987-10-16 1990-10-12 Thomson Csf METHOD AND DEVICE FOR COMPENSATING THE SPEED OF CLOUD IN A COHERENT DOPPLER RADAR AT AMBIGUOUS VARIABLE SPEED
DE19654769A1 (en) * 1996-12-30 1998-07-02 Teves Gmbh Alfred Method and device for vehicle control or regulation
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 (en) * 1971-03-17 1973-06-20 Int Standard Electric Corp SYSTEM FOR ELIMINATION OF THE SPEED OF ECHOES OF NOISE ADAPTABLE FOR A DIGITAL PULSE SYSTEM MOBILE TARGET INDICATOR
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 (en) 1984-07-10
FR2400212B1 (en) 1984-12-28
NL187872B (en) 1991-09-02
SE7709119L (en) 1979-02-13
IT7826665A0 (en) 1978-08-10
DK356178A (en) 1979-02-13
NO145964C (en) 1982-06-30
DE2833050C2 (en) 1986-08-07
GB2002617B (en) 1982-02-10
GB2002617A (en) 1979-02-21
FI65863B (en) 1984-03-30
SE409148B (en) 1979-07-30
DK147428C (en) 1985-02-11
NO145964B (en) 1982-03-22
DE2833050A1 (en) 1979-03-01
FI782352A (en) 1979-02-13
NO782748L (en) 1979-02-13
FR2400212A1 (en) 1979-03-09
CH632850A5 (en) 1982-10-29
DK147428B (en) 1984-07-30
IT1098359B (en) 1985-09-07
NL187872C (en) 1992-02-03

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

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