AU7117794A - System and method for modulating a carrier frequency - Google Patents

System and method for modulating a carrier frequency

Info

Publication number
AU7117794A
AU7117794A AU71177/94A AU7117794A AU7117794A AU 7117794 A AU7117794 A AU 7117794A AU 71177/94 A AU71177/94 A AU 71177/94A AU 7117794 A AU7117794 A AU 7117794A AU 7117794 A AU7117794 A AU 7117794A
Authority
AU
Australia
Prior art keywords
modulating
carrier frequency
carrier
frequency
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.)
Abandoned
Application number
AU71177/94A
Inventor
Louis Labreche
Jean-Pierre Lepage
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.)
Canadian Space Agency
Original Assignee
Canadian Space Agency
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 CA002120077A external-priority patent/CA2120077A1/en
Application filed by Canadian Space Agency filed Critical Canadian Space Agency
Publication of AU7117794A publication Critical patent/AU7117794A/en
Abandoned 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
    • G01S1/04—Details
    • G01S1/042—Transmitters
    • G01S1/0428—Signal details
    • 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
    • G01S1/44—Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation
    • G01S1/54—Narrow-beam systems producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon; Overlapping broad beam systems defining a narrow zone and producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon
    • G01S1/56—Timing the pulse-type envelope signals derived by reception of the beam
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Amplitude Modulation (AREA)
AU71177/94A 1993-06-17 1994-06-17 System and method for modulating a carrier frequency Abandoned AU7117794A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CA002120077A CA2120077A1 (en) 1993-06-17 1993-06-17 System and method for modulating a carrier frequency
CA2120077 1993-06-17
US220215 1994-03-30
US08/220,215 US5592131A (en) 1993-06-17 1994-03-30 System and method for modulating a carrier frequency
PCT/CA1994/000348 WO1995000859A1 (en) 1993-06-17 1994-06-17 System and method for modulating a carrier frequency

Publications (1)

Publication Number Publication Date
AU7117794A true AU7117794A (en) 1995-01-17

Family

ID=25677148

Family Applications (1)

Application Number Title Priority Date Filing Date
AU71177/94A Abandoned AU7117794A (en) 1993-06-17 1994-06-17 System and method for modulating a carrier frequency

Country Status (2)

Country Link
AU (1) AU7117794A (en)
WO (1) WO1995000859A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100767763B1 (en) * 2003-09-16 2007-10-17 노키아 코포레이션 A Radio frequency transmitter with hybrid switched mode/linear power amplifier power supply for use in polar transmitter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729683A (en) * 1971-09-03 1973-04-24 Collins Radio Co Vor 9960 hz harmonic generator
FR2656135B1 (en) * 1989-12-15 1994-08-26 Thomson Csf MLS TYPE LANDING ASSISTANCE SYSTEM COMPRISING CENTRALIZED SURVEILLANCE MEANS.
EP0507525B1 (en) * 1991-04-03 1997-06-11 Sony Corporation Radio frequency modulators

Also Published As

Publication number Publication date
WO1995000859A1 (en) 1995-01-05

Similar Documents

Publication Publication Date Title
AU4664396A (en) Communications system and a method therefor
AU8131394A (en) A message transmission system and method for a radiocommunication system
AU6159194A (en) Method and arrangement for communication of information
AU6022994A (en) Labelling system and method
AU5619896A (en) A communication apparatus and a communication system
AU5361496A (en) Inventory management method and apparatus
AU6212496A (en) Apparatus and method for tracking a vehicle
AU5210493A (en) Data transmission method and system
AU7255494A (en) Distributed time synchronization system and method
AU2690495A (en) A system and method for cononary angioplasty
AU675671B2 (en) System and method for knowledge based design
AU3761297A (en) Synchronous modulator and methods for synchronous modulation
AU4392596A (en) A method and circuit for creating a modulated signal in a transceiver
AU2029995A (en) Method of operation of a radio system
AU4691496A (en) Method and system for clearing a frequency band
AU3803993A (en) Method and apparatus for qpr carrier recovery
AU6651994A (en) Method for starting a radio transmitter and a radio transmitter
AU4908996A (en) Method and apparatus for generating plural quadrature modulated carriers
AU674031B2 (en) Method and apparatus for correcting a radio signal strength information signal
AU7421891A (en) Multi-transmission method and multi-transmission system for a vehicle
AU5786194A (en) Modulating method, demodulating method, modulating apparatus, and demodulating apparatus
AU6797894A (en) Method and apparatus for transmitting information
AU1195395A (en) A communications system and associated apparatus
AU6154194A (en) Method of operating an axle-counting system and a device for carrying out the method
AU7117794A (en) System and method for modulating a carrier frequency