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/sv
Priority to NLAANVRAGE7808152,A priority patent/NL187872C/xx
Priority to IT26665/78A priority patent/IT1098359B/it
Priority to CH855578A priority patent/CH632850A5/de
Priority to NO782748A priority patent/NO145964C/no
Priority to DK356178A priority patent/DK147428C/da
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)
  • Surgical Instruments (AREA)
  • Sheet Holders (AREA)
  • Electrotherapy Devices (AREA)
  • Ultra Sonic Daignosis Equipment (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
CH855578A CH632850A5 (de) 1977-08-12 1978-08-11 Impuls-dopplerradar-filteranordnung.
NO782748A NO145964C (no) 1977-08-12 1978-08-11 Filteranordning som inngaar i en pulsdopplerradar
DK356178A DK147428C (da) 1977-08-12 1978-08-11 Filterindretning til fjernelse af uoenskede ekkosignaler i en impuls-doppler-radarmodtager

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 (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
DE2212272A1 (de) * 1971-03-17 1972-09-28 Int Standard Electric Corp Impulsdopplerradargeraet
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
FI782352A (fi) 1979-02-13
FI65863C (fi) 1984-07-10
GB2002617B (en) 1982-02-10
NL7808152A (nl) 1979-02-14
FR2400212A1 (fr) 1979-03-09
DK147428C (da) 1985-02-11
DE2833050A1 (de) 1979-03-01
FR2400212B1 (da) 1984-12-28
NO145964B (no) 1982-03-22
SE7709119L (sv) 1979-02-13
NL187872C (nl) 1992-02-03
CH632850A5 (de) 1982-10-29
NO782748L (no) 1979-02-13
FI65863B (fi) 1984-03-30
NO145964C (no) 1982-06-30
DE2833050C2 (de) 1986-08-07
GB2002617A (en) 1979-02-21
DK356178A (da) 1979-02-13
DK147428B (da) 1984-07-30
IT1098359B (it) 1985-09-07
IT7826665A0 (it) 1978-08-10
NL187872B (nl) 1991-09-02

Similar Documents

Publication Publication Date Title
Zrinc et al. Two methods of ambiguity resolution in pulse Doppler weather radars
US3701149A (en) Frequency averaging controlled false alarm rate (cfar) circuit
US6382022B1 (en) Shipboard wave measurement system
CN106646451A (zh) 一种基于雷达信号处理系统的角度跟踪子系统
CN106814356A (zh) 一种基于雷达信号处理系统的距离跟踪子系统
CN109682597A (zh) 一种齿轮箱振动信号处理和分析方法
AU2009264363A1 (en) Method and apparatus for passive determination of target parameters
US3480953A (en) Moving target indicator having staggered pulse repetition frequency
SE409148B (sv) Filteranordning ingaende i mottagaren hos en pulsdopplerradar
CA1320752C (en) Moving target indication unit
US4176338A (en) High resolution acoustic navigation system
CN107255804B (zh) 基于杂波轮廓图的动目标显示滤波器滤波方法
Steinberg et al. Fixed‐system studies of underwater acoustic propagation
CN111983579B (zh) 一种参差脉冲重复时间消除雷达速度模糊的方法
RU2413237C1 (ru) Способ подавления помех
DE3243606C2 (da)
CN106248991A (zh) 一种低信噪比下的adcp解测速模糊方法
CN106291531A (zh) 一种采用高重频步进频与脉冲多普勒体制结合的参差跟踪方法
George et al. Comb filters for pulsed radar use
CN114167412B (zh) 一种利用河流计的河宽提取方法
CA1283200C (en) Correlator circuit and device for ultrasound flow mapping comprising such as circuit
Kay An experimental comparison between a pulse and a frequency-modulation echo-ranging system
EP0178983B1 (fr) Circuit d'élimination d'échos de mobiles lents pour radar Doppler
LIU et al. Measurement Error Analysis of Combined Doppler Sonar Using Adaptive Algorithm
EP0361945A2 (en) Measuring doppler velocity

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7709119-7

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7709119-7

Format of ref document f/p: F