GB1403747A - Mode extracter for antenna tracking systems - Google Patents

Mode extracter for antenna tracking systems

Info

Publication number
GB1403747A
GB1403747A GB3330072A GB3330072A GB1403747A GB 1403747 A GB1403747 A GB 1403747A GB 3330072 A GB3330072 A GB 3330072A GB 3330072 A GB3330072 A GB 3330072A GB 1403747 A GB1403747 A GB 1403747A
Authority
GB
United Kingdom
Prior art keywords
waveguides
mode
signals
pairs
modes
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
GB3330072A
Other languages
English (en)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB1403747A publication Critical patent/GB1403747A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/04—Multimode antennas
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/146—Systems for determining direction or deviation from predetermined direction by comparing linear polarisation components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB3330072A 1971-07-16 1972-07-17 Mode extracter for antenna tracking systems Expired GB1403747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2135611 1971-07-16

Publications (1)

Publication Number Publication Date
GB1403747A true GB1403747A (en) 1975-08-28

Family

ID=5813903

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3330072A Expired GB1403747A (en) 1971-07-16 1972-07-17 Mode extracter for antenna tracking systems

Country Status (7)

Country Link
JP (1) JPS5132559B1 (enExample)
CA (1) CA993531A (enExample)
CH (1) CH538763A (enExample)
DE (1) DE2135611C2 (enExample)
FR (1) FR2146282B3 (enExample)
GB (1) GB1403747A (enExample)
NL (1) NL177269C (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH639769A5 (de) * 1979-10-02 1983-11-30 Fruengel Frank Sichtweitenmessgeraet nach dem prinzip der vorwaertsstreuung und dessen verwendung.
FI75669C (fi) * 1986-02-04 1988-07-11 Vaisala Oy Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet.
DE102013011651A1 (de) * 2013-07-11 2015-01-15 ESA-microwave service GmbH Antennen-Speisesystem im Mikrowellenbereich für Reflektorantennen

Also Published As

Publication number Publication date
DE2135611B1 (de) 1972-11-16
DE2135611C2 (de) 1975-02-06
CH538763A (de) 1973-06-30
JPS5132559B1 (enExample) 1976-09-13
NL7209792A (enExample) 1973-01-18
CA993531A (en) 1976-07-20
FR2146282B3 (enExample) 1975-09-05
NL177269C (nl) 1985-08-16
NL177269B (nl) 1985-03-18
FR2146282A1 (enExample) 1973-03-02

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee