FR1554437A - - Google Patents

Info

Publication number
FR1554437A
FR1554437A FR1554437DA FR1554437A FR 1554437 A FR1554437 A FR 1554437A FR 1554437D A FR1554437D A FR 1554437DA FR 1554437 A FR1554437 A FR 1554437A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1554437A publication Critical patent/FR1554437A/fr
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/04Recursive filters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating 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
    • G01S13/526Discriminating 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
FR1554437D 1968-02-15 1968-02-20 Expired FR1554437A (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB747468A GB1214371A (en) 1968-02-15 1968-02-15 Digital canonical filter
NL6802332A NL6802332A (fr) 1968-02-15 1968-02-19
BE710966 1968-02-19
DER0048039 1968-02-19
FR140436 1968-02-20

Publications (1)

Publication Number Publication Date
FR1554437A true FR1554437A (fr) 1969-01-17

Family

ID=27507687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1554437D Expired FR1554437A (fr) 1968-02-15 1968-02-20

Country Status (5)

Country Link
BE (1) BE710966A (fr)
DE (1) DE1616410A1 (fr)
FR (1) FR1554437A (fr)
GB (1) GB1214371A (fr)
NL (1) NL6802332A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418579A2 (fr) * 1977-03-09 1979-09-21 Onera (Off Nat Aerospatiale) Filtre numerique recursif a coefficients en combinaison reduite de puissances de deux

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2255754B1 (fr) * 1973-12-11 1978-03-17 Ibm France
GB2151426B (en) * 1983-12-09 1988-09-21 Plessey Co Plc Clutter filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418579A2 (fr) * 1977-03-09 1979-09-21 Onera (Off Nat Aerospatiale) Filtre numerique recursif a coefficients en combinaison reduite de puissances de deux

Also Published As

Publication number Publication date
BE710966A (fr) 1968-07-01
GB1214371A (en) 1970-12-02
NL6802332A (fr) 1969-08-21
DE1616410A1 (de) 1971-04-15

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