DE2315346C3 - - Google Patents

Info

Publication number
DE2315346C3
DE2315346C3 DE2315346A DE2315346A DE2315346C3 DE 2315346 C3 DE2315346 C3 DE 2315346C3 DE 2315346 A DE2315346 A DE 2315346A DE 2315346 A DE2315346 A DE 2315346A DE 2315346 C3 DE2315346 C3 DE 2315346C3
Authority
DE
Germany
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
DE2315346A
Other languages
German (de)
Other versions
DE2315346A1 (de
DE2315346B2 (de
Inventor
Frederick C. Topanga Calif. Williams (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.)
Raytheon Co
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
Priority to US00073470A priority Critical patent/US3731311A/en
Priority to GB1299173A priority patent/GB1370873A/en
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Priority to DE19732315346 priority patent/DE2315346B2/de
Priority claimed from DE19732315346 external-priority patent/DE2315346B2/de
Priority to FR7311646A priority patent/FR2223905B1/fr
Publication of DE2315346A1 publication Critical patent/DE2315346A1/de
Publication of DE2315346B2 publication Critical patent/DE2315346B2/de
Application granted granted Critical
Publication of DE2315346C3 publication Critical patent/DE2315346C3/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2335—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal
    • H04L27/2337—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal using digital techniques to measure the time between zero-crossings
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE19732315346 1970-09-18 1973-03-28 Vorrichtung zur Korrelations-Decodierung unter Einbeziehung von Amplitudengewichtung phasenmodulierter Signale Granted DE2315346B2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US00073470A US3731311A (en) 1970-09-18 1970-09-18 Polyphase encoding-decoding system
GB1299173A GB1370873A (en) 1970-09-18 1973-03-19 Polyphase encoding-decoding system
DE19732315346 DE2315346B2 (de) 1973-03-28 Vorrichtung zur Korrelations-Decodierung unter Einbeziehung von Amplitudengewichtung phasenmodulierter Signale
FR7311646A FR2223905B1 (OSRAM) 1970-09-18 1973-03-30

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7347070A 1970-09-18 1970-09-18
GB1299173A GB1370873A (en) 1970-09-18 1973-03-19 Polyphase encoding-decoding system
DE19732315346 DE2315346B2 (de) 1973-03-28 Vorrichtung zur Korrelations-Decodierung unter Einbeziehung von Amplitudengewichtung phasenmodulierter Signale
FR7311646A FR2223905B1 (OSRAM) 1970-09-18 1973-03-30

Publications (3)

Publication Number Publication Date
DE2315346A1 DE2315346A1 (de) 1974-10-17
DE2315346B2 DE2315346B2 (de) 1977-11-17
DE2315346C3 true DE2315346C3 (OSRAM) 1978-04-06

Family

ID=

Also Published As

Publication number Publication date
US3731311A (en) 1973-05-01
DE2315346A1 (de) 1974-10-17
FR2223905B1 (OSRAM) 1976-11-05
GB1370873A (en) 1974-10-16
FR2223905A1 (OSRAM) 1974-10-25

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Legal Events

Date Code Title Description
BI Miscellaneous see part 2
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee