FR1111164A - Circuit démodulateur perfectionné - Google Patents

Circuit démodulateur perfectionné

Info

Publication number
FR1111164A
FR1111164A FR1111164DA FR1111164A FR 1111164 A FR1111164 A FR 1111164A FR 1111164D A FR1111164D A FR 1111164DA FR 1111164 A FR1111164 A FR 1111164A
Authority
FR
France
Prior art keywords
advanced
demodulator circuit
demodulator
circuit
advanced demodulator
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.)
Expired
Application number
Other languages
English (en)
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 Aviation Corp
Original Assignee
Bendix Aviation 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 Aviation Corp filed Critical Bendix Aviation Corp
Application granted granted Critical
Publication of FR1111164A publication Critical patent/FR1111164A/fr
Expired legal-status Critical Current

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
    • 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
    • H03D3/08—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 diodes, e.g. Foster-Seeley discriminator
    • H03D3/10—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 diodes, e.g. Foster-Seeley discriminator in which the diodes are simultaneously conducting during the same half period of the signal, e.g. radio detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape

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)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
FR1111164D 1953-09-16 1954-08-24 Circuit démodulateur perfectionné Expired FR1111164A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US380497A US2856522A (en) 1953-09-16 1953-09-16 Phase detector

Publications (1)

Publication Number Publication Date
FR1111164A true FR1111164A (fr) 1956-02-23

Family

ID=23501395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1111164D Expired FR1111164A (fr) 1953-09-16 1954-08-24 Circuit démodulateur perfectionné

Country Status (5)

Country Link
US (1) US2856522A (fr)
DE (1) DE1081513B (fr)
ES (1) ES217192A1 (fr)
FR (1) FR1111164A (fr)
GB (1) GB756120A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214755B (de) * 1964-06-25 1966-04-21 Telefunken Patent Anordnung zur Anzeigeunterdrueckung von Festzielen in einem Impulsradargeraet mit inkohaerenten Impulstraegerwellen
DE1247423B (de) * 1963-09-11 1967-08-17 Raytheon Co Verfahren zur Unterscheidung von Punktzielechos von >>Clutter<< und Radarempfaenger zur Durchfuehrung dieses Verfahrens

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965845A (en) * 1955-02-28 1960-12-20 Rca Corp Marker pulse circuit
US3029391A (en) * 1958-12-01 1962-04-10 Zenith Radio Corp Wave-signal receiver
US3032715A (en) * 1959-01-02 1962-05-01 Collins Radio Co Means for measuring rate of change of frequency
US3139533A (en) * 1960-06-08 1964-06-30 Avco Corp Alternating currents phase and frequency comparator bridge using diode amplification effect

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL52539B (fr) * 1929-11-04
US1998322A (en) * 1933-04-29 1935-04-16 Gen Electric High frequency circuit
US2280545A (en) * 1940-06-18 1942-04-21 Rca Corp Diode phase detector
US2700103A (en) * 1946-05-15 1955-01-18 Selove Walter Balanced-detector circuit
US2510710A (en) * 1947-02-07 1950-06-06 Rca Corp Balanced detector system for radar apparatus
US2494751A (en) * 1947-03-10 1950-01-17 Philco Corp Asymmetrical discriminator
NL139676B (nl) * 1947-04-01 British Motor Corp Ltd Werkwijze en inrichting voor het vormen van een smeltkroes in een elektrische inductie-smeltoven.
US2541259A (en) * 1949-03-26 1951-02-13 Bell Telephone Labor Inc Automatic frequency control system
US2586119A (en) * 1949-05-04 1952-02-19 Philco Corp Frequency modulation detector
BE497113A (fr) * 1949-07-21

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1247423B (de) * 1963-09-11 1967-08-17 Raytheon Co Verfahren zur Unterscheidung von Punktzielechos von >>Clutter<< und Radarempfaenger zur Durchfuehrung dieses Verfahrens
DE1214755B (de) * 1964-06-25 1966-04-21 Telefunken Patent Anordnung zur Anzeigeunterdrueckung von Festzielen in einem Impulsradargeraet mit inkohaerenten Impulstraegerwellen

Also Published As

Publication number Publication date
US2856522A (en) 1958-10-14
ES217192A1 (es) 1955-09-01
GB756120A (en) 1956-08-29
DE1081513B (de) 1960-05-12

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