NO172957C - Krets samt fremgangsmaate for koherent digital signalblanking, tofasemodulasjon og frekvensdobling - Google Patents

Krets samt fremgangsmaate for koherent digital signalblanking, tofasemodulasjon og frekvensdobling

Info

Publication number
NO172957C
NO172957C NO883811A NO883811A NO172957C NO 172957 C NO172957 C NO 172957C NO 883811 A NO883811 A NO 883811A NO 883811 A NO883811 A NO 883811A NO 172957 C NO172957 C NO 172957C
Authority
NO
Norway
Prior art keywords
procedure
circuit
digital signal
phase modulation
frequency double
Prior art date
Application number
NO883811A
Other languages
English (en)
Other versions
NO883811D0 (no
NO883811L (no
NO172957B (no
Inventor
Steve S Yang
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of NO883811D0 publication Critical patent/NO883811D0/no
Publication of NO883811L publication Critical patent/NO883811L/no
Publication of NO172957B publication Critical patent/NO172957B/no
Publication of NO172957C publication Critical patent/NO172957C/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/06—Code representation, e.g. transition, for a given bit cell depending only on the information in that bit cell
    • H03M5/12—Biphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code
    • 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
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
    • G01S13/284—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses
    • G01S13/288—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses phase modulated
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
NO883811A 1987-08-28 1988-08-26 Krets samt fremgangsmaate for koherent digital signalblanking, tofasemodulasjon og frekvensdobling NO172957C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/090,821 US4843331A (en) 1987-08-28 1987-08-28 Coherent digital signal blanking, biphase modulation and frequency doubling circuit and methodology

Publications (4)

Publication Number Publication Date
NO883811D0 NO883811D0 (no) 1988-08-26
NO883811L NO883811L (no) 1989-03-01
NO172957B NO172957B (no) 1993-06-21
NO172957C true NO172957C (no) 1993-09-29

Family

ID=22224481

Family Applications (1)

Application Number Title Priority Date Filing Date
NO883811A NO172957C (no) 1987-08-28 1988-08-26 Krets samt fremgangsmaate for koherent digital signalblanking, tofasemodulasjon og frekvensdobling

Country Status (5)

Country Link
US (1) US4843331A (no)
EP (1) EP0306760B1 (no)
JP (1) JPS6471366A (no)
DE (1) DE3884538T2 (no)
NO (1) NO172957C (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5268931A (en) * 1989-12-29 1993-12-07 Gte Laboratories Incorporated Data communication system
JP2563156B2 (ja) * 1992-09-22 1996-12-11 インダストリアル テクノロジー リサーチ インスティチュート クロック再生回路
JPH07202649A (ja) * 1993-12-27 1995-08-04 Toshiba Corp 逓倍回路
FR2720852B1 (fr) * 1994-06-01 1996-08-02 Matra Mhs Dispositif de détection de transition engendrant une impulsion de durée variable.
US6664833B1 (en) * 2000-11-20 2003-12-16 Intersil Americas, Inc. Dual-edge function clock generator and method of deriving clocking signals for executing reduced instruction sequences in a re-programmable I/O interface
CN102596814B (zh) * 2010-08-02 2014-05-14 昭和电工株式会社 氧化钛溶胶、其制造方法、超微粒状氧化钛、其制造方法及用途
US8952764B2 (en) 2012-03-09 2015-02-10 Raytheon Company High-frequency, high-speed precision digital bi-phase modulator and method for bi-phase modulation
US20220094263A1 (en) * 2020-09-23 2022-03-24 Intel Corporation Multi-phase switching regulators with hybrid inductors and per phase frequency control

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091763A (en) * 1958-08-15 1963-05-28 Marconi Wireless Telegraph Co Radar systems to reduce clutter
US2969430A (en) * 1959-03-19 1961-01-24 Collins Radio Co Delay line phase-pulse generator
US3786357A (en) * 1971-11-30 1974-01-15 Gen Electric Digital pulse train frequency multiplier
US3761820A (en) * 1972-03-20 1973-09-25 Singer Co Phase shift modulator
US3955155A (en) * 1974-12-23 1976-05-04 Rca Corporation Amplitude modulation system
DE2549953C3 (de) * 1975-11-07 1978-05-11 Wabco Westinghouse Gmbh, 3000 Hannover Schaltungsanordnung zur Gewinnung von Ausgangssignalen in Abhängigkeit von der Ausgangsspannung eines Sensors einer Blockierschutzeinrichtung für Kraftfahrzeuge
US4320525A (en) * 1979-10-29 1982-03-16 Burroughs Corporation Self synchronizing clock derivation circuit for double frequency encoded digital data
JPS60145745A (ja) * 1984-01-09 1985-08-01 Nec Corp バイフェーズ符号クロック抽出回路
US4777447A (en) * 1985-09-12 1988-10-11 Siemens Aktiengesellschaft Method and apparatus for a digital difference frequency mixer
US4669099A (en) * 1985-10-15 1987-05-26 The Singer Company Digital frequency multiplier
US4775805A (en) * 1987-02-12 1988-10-04 Whitefoot Alan D Differential frequency signal generator

Also Published As

Publication number Publication date
US4843331A (en) 1989-06-27
NO883811D0 (no) 1988-08-26
DE3884538T2 (de) 1994-04-28
JPS6471366A (en) 1989-03-16
NO883811L (no) 1989-03-01
EP0306760A1 (en) 1989-03-15
DE3884538D1 (de) 1993-11-04
EP0306760B1 (en) 1993-09-29
NO172957B (no) 1993-06-21
JPH0477495B2 (no) 1992-12-08

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Legal Events

Date Code Title Description
MK1K Patent expired