AU3745068A - Improvements in or relating to doppler-frequency discriminator circuit - Google Patents

Improvements in or relating to doppler-frequency discriminator circuit

Info

Publication number
AU3745068A
AU3745068A AU37450/68A AU3745068A AU3745068A AU 3745068 A AU3745068 A AU 3745068A AU 37450/68 A AU37450/68 A AU 37450/68A AU 3745068 A AU3745068 A AU 3745068A AU 3745068 A AU3745068 A AU 3745068A
Authority
AU
Australia
Prior art keywords
doppler
relating
frequency discriminator
discriminator circuit
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.)
Expired
Application number
AU37450/68A
Other languages
English (en)
Inventor
D. McLEOD FRANCIS JR
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.)
Mennen Greatbatch Electronics Inc
Original Assignee
Mennen Greatbatch Electronics Inc
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
Priority to GB4681367A priority Critical patent/GB1142777A/en
Priority to FR125477A priority patent/FR1541590A/fr
Priority to CH1620367A priority patent/CH460878A/de
Priority to NL6715957A priority patent/NL6715957A/xx
Priority to DE19671591296 priority patent/DE1591296B1/de
Priority to BE707090D priority patent/BE707090A/xx
Application filed by Mennen Greatbatch Electronics Inc filed Critical Mennen Greatbatch Electronics Inc
Priority to AU37450/68A priority patent/AU3745068A/en
Publication of AU3745068A publication Critical patent/AU3745068A/en
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
    • G01S13/58—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measuring Volume Flow (AREA)
AU37450/68A 1967-10-23 1968-05-08 Improvements in or relating to doppler-frequency discriminator circuit Expired AU3745068A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB4681367A GB1142777A (en) 1967-11-23 1967-10-13 Doppler-frequency discriminator circuit
FR125477A FR1541590A (fr) 1967-10-23 1967-10-23 Dispositif discriminateur de fréquence de doppler
CH1620367A CH460878A (de) 1967-11-23 1967-11-20 Dopplerfrequenz-Diskriminatorschaltung
NL6715957A NL6715957A (de) 1967-11-23 1967-11-23
DE19671591296 DE1591296B1 (de) 1967-11-23 1967-11-24 Dopplerfrequenz diskriminatorschaltung zur gewinnung eines dem betrag und der richtung der relativgeschwindigkeit eines reflektierenden objekts entsprechenden gleichspannungssignals
BE707090D BE707090A (de) 1967-11-23 1967-11-27
AU37450/68A AU3745068A (en) 1967-11-23 1968-05-08 Improvements in or relating to doppler-frequency discriminator circuit

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL6715957A NL6715957A (de) 1967-11-23 1967-11-23
DEM0076346 1967-11-24
BE707090 1967-11-27
AU37450/68A AU3745068A (en) 1967-11-23 1968-05-08 Improvements in or relating to doppler-frequency discriminator circuit

Publications (1)

Publication Number Publication Date
AU3745068A true AU3745068A (en) 1969-11-13

Family

ID=27423084

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37450/68A Expired AU3745068A (en) 1967-10-23 1968-05-08 Improvements in or relating to doppler-frequency discriminator circuit

Country Status (6)

Country Link
AU (1) AU3745068A (de)
BE (1) BE707090A (de)
CH (1) CH460878A (de)
DE (1) DE1591296B1 (de)
GB (1) GB1142777A (de)
NL (1) NL6715957A (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695404A (en) * 1950-02-28 1954-11-23 Eastern Ind Inc Speed detector
FR1171146A (fr) * 1956-04-13 1959-01-22 Apparecchiature Radioelettrich Dispositif accessoire pour détecteur d'obstacle permettant de déterminer la vitesse relative d'un véhicule

Also Published As

Publication number Publication date
GB1142777A (en) 1969-02-12
NL6715957A (de) 1969-05-28
BE707090A (de) 1968-04-01
DE1591296B1 (de) 1971-12-02
CH460878A (de) 1968-08-15

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