EP0088755A1 - Signalbearbeitungsschaltung mit ausgleich des dopplerausfalls - Google Patents

Signalbearbeitungsschaltung mit ausgleich des dopplerausfalls

Info

Publication number
EP0088755A1
EP0088755A1 EP81902992A EP81902992A EP0088755A1 EP 0088755 A1 EP0088755 A1 EP 0088755A1 EP 81902992 A EP81902992 A EP 81902992A EP 81902992 A EP81902992 A EP 81902992A EP 0088755 A1 EP0088755 A1 EP 0088755A1
Authority
EP
European Patent Office
Prior art keywords
signal
input
output
dropout
circuit
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.)
Withdrawn
Application number
EP81902992A
Other languages
English (en)
French (fr)
Inventor
Jeffrey J. Riebschlager
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of EP0088755A1 publication Critical patent/EP0088755A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
    • 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
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
    • G01S13/586—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value using, or combined with, frequency tracking means
EP81902992A 1981-09-24 1981-09-24 Signalbearbeitungsschaltung mit ausgleich des dopplerausfalls Withdrawn EP0088755A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1981/001300 WO1983001120A1 (en) 1981-09-24 1981-09-24 Doppler dropout compensating signal conditioning circuit

Publications (1)

Publication Number Publication Date
EP0088755A1 true EP0088755A1 (de) 1983-09-21

Family

ID=22161449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81902992A Withdrawn EP0088755A1 (de) 1981-09-24 1981-09-24 Signalbearbeitungsschaltung mit ausgleich des dopplerausfalls

Country Status (6)

Country Link
EP (1) EP0088755A1 (de)
JP (1) JPS58501519A (de)
BR (1) BR8109043A (de)
IT (1) IT1190998B (de)
WO (1) WO1983001120A1 (de)
ZA (1) ZA824408B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914638A (en) * 1984-02-28 1990-04-03 Applied Design Laboratories, Inc. Doppler effect speedometer
US4713665A (en) * 1984-05-14 1987-12-15 Deere & Company Ground speed sensor
AU575396B2 (en) * 1984-05-14 1988-07-28 Deere & Company Ground speed sensor
US4728954A (en) * 1984-12-20 1988-03-01 Deere & Company Ground velocity sensor with drop-out detection
FR2624976B1 (fr) * 1987-12-18 1990-10-12 Peugeot Dispositif de mesure de la vitesse d'un vehicule
DE69406477T2 (de) * 1993-03-01 1998-03-19 Nippon Telegraph & Telephone Phasenregelkreis mit Abtast- und Halteschaltung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020490A (en) * 1974-11-20 1977-04-26 Decatur Electronics, Inc. Traffic radar and apparatus therefor
US4052722A (en) * 1975-09-15 1977-10-04 Decatur Electronics, Inc. Traffic radar and apparatus therefor
US4021681A (en) * 1976-01-22 1977-05-03 Chrysler Corporation Resonant sensor using a phase locked loop detector
CH609464A5 (de) * 1977-02-16 1979-02-28 Siemens Ag Albis
US4186397A (en) * 1977-09-06 1980-01-29 Board Of Regents For Education Of The State Of Rhode Island Short range precision navigation and tracking system and method therefor
US4185246A (en) * 1978-02-27 1980-01-22 Schlumberger Technology Corporation Circuit for reducing transients by precharging capacitors
US4276548A (en) * 1979-06-04 1981-06-30 Solfan Systems, Inc. Microwave speed meter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8301120A1 *

Also Published As

Publication number Publication date
WO1983001120A1 (en) 1983-03-31
IT8223218A0 (it) 1982-09-13
BR8109043A (pt) 1983-11-08
IT1190998B (it) 1988-02-24
JPS58501519A (ja) 1983-09-08
ZA824408B (en) 1983-04-27

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19830418

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19831114

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB

RIN1 Information on inventor provided before grant (corrected)

Inventor name: RIEBSCHLAGER, JEFFREY J.