ES403718A1 - Mejoras en los metodos de modulacion en las antenas no gi- ratorias. - Google Patents

Mejoras en los metodos de modulacion en las antenas no gi- ratorias.

Info

Publication number
ES403718A1
ES403718A1 ES403718A ES403718A ES403718A1 ES 403718 A1 ES403718 A1 ES 403718A1 ES 403718 A ES403718 A ES 403718A ES 403718 A ES403718 A ES 403718A ES 403718 A1 ES403718 A1 ES 403718A1
Authority
ES
Spain
Prior art keywords
phase
carrier signal
signal
distribution cavity
cavity
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
ES403718A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES403718A1 publication Critical patent/ES403718A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/04—Details
    • G01C19/06—Rotors
    • G01C19/08—Rotors electrically driven
    • G01C19/10—Power supply
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/242—Circumferential scanning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
ES403718A 1971-06-11 1972-06-10 Mejoras en los metodos de modulacion en las antenas no gi- ratorias. Expired ES403718A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15213271A 1971-06-11 1971-06-11

Publications (1)

Publication Number Publication Date
ES403718A1 true ES403718A1 (es) 1975-05-01

Family

ID=22541640

Family Applications (1)

Application Number Title Priority Date Filing Date
ES403718A Expired ES403718A1 (es) 1971-06-11 1972-06-10 Mejoras en los metodos de modulacion en las antenas no gi- ratorias.

Country Status (6)

Country Link
JP (1) JPS5148960B1 (https=)
AU (1) AU470470B2 (https=)
ES (1) ES403718A1 (https=)
FR (1) FR2140680B1 (https=)
GB (1) GB1383126A (https=)
IT (1) IT956154B (https=)

Also Published As

Publication number Publication date
FR2140680A1 (https=) 1973-01-19
IT956154B (it) 1973-10-10
AU4291972A (en) 1973-12-06
AU470470B2 (en) 1976-03-18
GB1383126A (en) 1975-02-05
FR2140680B1 (https=) 1977-12-23
JPS5148960B1 (https=) 1976-12-23

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