DE1523146B1 - Dopplerfrequenzdiskriminator - Google Patents

Dopplerfrequenzdiskriminator

Info

Publication number
DE1523146B1
DE1523146B1 DE19641523146D DE1523146DA DE1523146B1 DE 1523146 B1 DE1523146 B1 DE 1523146B1 DE 19641523146 D DE19641523146 D DE 19641523146D DE 1523146D A DE1523146D A DE 1523146DA DE 1523146 B1 DE1523146 B1 DE 1523146B1
Authority
DE
Germany
Prior art keywords
frequency
phase
discriminator
transistor
npn
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.)
Pending
Application number
DE19641523146D
Other languages
German (de)
English (en)
Inventor
Ernest Peter Chatsworth; Rudy Erland Wesley St. Granada Hills; Calif.; O'Brien. Donald Joseph Detroit Mich.; Longerich (V.St.A.)
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.)
Bendix Corp
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Publication of DE1523146B1 publication Critical patent/DE1523146B1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/26—Demodulation of angle-, frequency- or phase- modulated oscillations by means of sloping amplitude/frequency characteristic of tuned or reactive circuit
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
    • 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
    • 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
    • G01S13/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/14—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of semiconductor devices having more than two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE19641523146D 1963-12-13 1964-11-25 Dopplerfrequenzdiskriminator Pending DE1523146B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33034463A 1963-12-13 1963-12-13

Publications (1)

Publication Number Publication Date
DE1523146B1 true DE1523146B1 (de) 1969-10-23

Family

ID=23289347

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19641523146D Pending DE1523146B1 (de) 1963-12-13 1964-11-25 Dopplerfrequenzdiskriminator

Country Status (4)

Country Link
JP (1) JPS5120863B1 (fr)
DE (1) DE1523146B1 (fr)
FR (1) FR1421674A (fr)
GB (1) GB1028060A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1766820B1 (de) * 1968-07-24 1974-02-14 Philips Patentverwaltung Frequenzmessverfahren zur schnellen erkennung der traegerfrequenz eines empfangenen signals im uhf und/oder mikrowellenbereich
JPS5870330U (ja) * 1981-07-07 1983-05-13 金城　述雄 たためる罐
FR2510324A1 (fr) * 1981-07-24 1983-01-28 Radiotechnique Procede de demodulation d'un signal module en frequence, et demodulateur selon ce procede

Also Published As

Publication number Publication date
JPS5120863B1 (fr) 1976-06-28
GB1028060A (en) 1966-05-04
FR1421674A (fr) 1965-12-17

Similar Documents

Publication Publication Date Title
DE2000353C3 (de) Verfahren und Vorrichtung zur automatischen Messung des Rauschabstandes
DE2544406A1 (de) Verfahren bzw. einrichtung zur korrektur von stoerschwankungen in einem radarsystem mit digitaler signalverarbeitung
DE2318588C2 (de) Steuerbare Dämpfungseinrichtung für Hochfrequenzempfänger
DE2825967C2 (de) Lidargerät
DE2916976C2 (de) Speichereinrichtung
DE1523146B1 (de) Dopplerfrequenzdiskriminator
DE2257705A1 (de) Schaltungsanordnung zur entfernungsabhaengigen ansteuerung des videoteils eines pulsradarempfaengers
DE2362312B2 (de) Gepulstes Wirbelstrom-Prüfgerät
DE1523146C (de) Dopplerfrequenzdiskriminator
DE10242777A1 (de) Verfahren zum Bestimmen einer Entfernung und Entfernungsmessgerät
DE1566847B2 (de) Verfahren und Vorrichtung zur Abtastung mehrerer Informationskanäle, insbesondere zur Richtungsbestimmung von Schallwellen oder zur Messung des Dopplereffektes bei der Schallübertragung
DE2620969C2 (de) Digital-Analogwandler bei einem Lagemeßsystem
DE2508974C3 (de) Impuls-Radargerät mit ZF-Torschaltung
DE2015460A1 (fr)
DE2257684C2 (de) Vorrichtung zur Dickenmessung eines Glasbehälters
DE977793C (de) Verfahren zur Peilung impulsfoermiger Signale
DE2159059A1 (de) Verfahren und Schaltungsanordnung zum Empfang von Signaltönen
DE1954136B2 (de) Schaltungsanordnung zur ueberwachung einer periodischen elektrischen messpannung vorgegebener frequenz
DE2347692C2 (de) Demodulator
DE3524021C1 (de) Adaptiver Signaldetektor
DE2426917C3 (de) Störsignalunterdrückung in einem Doppler-Radarsystem
DE977666C (de) Verfahren und Anordnung zur Messung der Frequenz der Traegerfrequenzspannungen von kurzzeitig empfangenen Signalen
DE1762869C3 (de) Verfahren und Schaltungsanordnungen zur digitalen Halbwellen-Demodulation frequenzgetasteter Signale
DE2207289C3 (de) Verfahren und Anordnung zur Feststellung der Kohärenz von aufeinanderfolgenden Impulsen gleicher Trägerfrequenz
DE977751C (de) Verfahren zur Messung der Taegerfrequenz impulsmodulierter Signale und zur Darstellung eines in der Breite eines Impulses liegenden Messergebnisses sowie Anordnungen zur Durchfuehrung des Verfahrens