FR692659A - Dispositif pour l'obtention de bonnes extinctions en radiogoniométrie - Google Patents

Dispositif pour l'obtention de bonnes extinctions en radiogoniométrie

Info

Publication number
FR692659A
FR692659A FR692659DA FR692659A FR 692659 A FR692659 A FR 692659A FR 692659D A FR692659D A FR 692659DA FR 692659 A FR692659 A FR 692659A
Authority
FR
France
Prior art keywords
extinctions
finding
obtaining good
obtaining
good
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
Other languages
English (en)
French (fr)
Inventor
Ettore Bellini
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 filed Critical
Application granted granted Critical
Publication of FR692659A publication Critical patent/FR692659A/fr
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
    • 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
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial
    • 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
    • G01S3/04—Details
    • G01S3/12—Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR692659D 1929-06-25 1929-06-25 Dispositif pour l'obtention de bonnes extinctions en radiogoniométrie Expired FR692659A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR692659T 1929-06-25

Publications (1)

Publication Number Publication Date
FR692659A true FR692659A (fr) 1930-11-08

Family

ID=9038530

Family Applications (1)

Application Number Title Priority Date Filing Date
FR692659D Expired FR692659A (fr) 1929-06-25 1929-06-25 Dispositif pour l'obtention de bonnes extinctions en radiogoniométrie

Country Status (3)

Country Link
US (1) US1983729A (enrdf_load_stackoverflow)
FR (1) FR692659A (enrdf_load_stackoverflow)
NL (1) NL29745C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
US1983729A (en) 1934-12-11
NL29745C (enrdf_load_stackoverflow)

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