CA955334A - Method and apparatus for modulation synthesis - Google Patents

Method and apparatus for modulation synthesis

Info

Publication number
CA955334A
CA955334A CA131,491A CA131491A CA955334A CA 955334 A CA955334 A CA 955334A CA 131491 A CA131491 A CA 131491A CA 955334 A CA955334 A CA 955334A
Authority
CA
Canada
Prior art keywords
modulation synthesis
modulation
synthesis
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
CA131,491A
Other versions
CA131491S (en
Inventor
Donald J. Toman
Lloyd J. Perper
J. Roland Coulter
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.)
Tull Aviation Corp
Original Assignee
Tull 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
Priority claimed from US00196288A external-priority patent/US3808558A/en
Application filed by Tull Aviation Corp filed Critical Tull Aviation Corp
Application granted granted Critical
Publication of CA955334A publication Critical patent/CA955334A/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
    • 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
    • G01S1/02—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 radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics
    • 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
    • G01S1/02—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 radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Amplitude Modulation (AREA)
  • Radar Systems Or Details Thereof (AREA)
CA131,491A 1971-01-07 1971-12-31 Method and apparatus for modulation synthesis Expired CA955334A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10466871A 1971-01-07 1971-01-07
US00196288A US3808558A (en) 1971-11-08 1971-11-08 Method and apparatus for modulation synthesis

Publications (1)

Publication Number Publication Date
CA955334A true CA955334A (en) 1974-09-24

Family

ID=26801812

Family Applications (1)

Application Number Title Priority Date Filing Date
CA131,491A Expired CA955334A (en) 1971-01-07 1971-12-31 Method and apparatus for modulation synthesis

Country Status (8)

Country Link
CA (1) CA955334A (en)
CH (1) CH561481A5 (en)
DE (1) DE2200374A1 (en)
FR (1) FR2123307B1 (en)
GB (1) GB1334201A (en)
IT (1) IT946335B (en)
NL (1) NL7200243A (en)
SE (1) SE373710B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3174523D1 (en) * 1981-11-05 1986-06-05 Hewlett Packard Co Digital amplitude modulating circuitry

Also Published As

Publication number Publication date
SE373710B (en) 1975-02-10
NL7200243A (en) 1972-07-11
CH561481A5 (en) 1975-04-30
FR2123307A1 (en) 1972-09-08
DE2200374A1 (en) 1972-08-03
IT946335B (en) 1973-05-21
GB1334201A (en) 1973-10-17
FR2123307B1 (en) 1976-07-23

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