FR700019A - Dispositif pour l'obtention de bonnes extinctions en radiogoniométrie - Google Patents

Dispositif pour l'obtention de bonnes extinctions en radiogoniométrie

Info

Publication number
FR700019A
FR700019A FR700019DA FR700019A FR 700019 A FR700019 A FR 700019A FR 700019D A FR700019D A FR 700019DA FR 700019 A FR700019 A FR 700019A
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 FR700019A publication Critical patent/FR700019A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/04Details
    • G01S3/06Means 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
    • G01S3/065Means 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Support Of Aerials (AREA)
FR700019D 1929-11-15 1929-11-15 Dispositif pour l'obtention de bonnes extinctions en radiogoniométrie Expired FR700019A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR546843X 1929-11-15

Publications (1)

Publication Number Publication Date
FR700019A true FR700019A (fr) 1931-02-23

Family

ID=8933794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700019D Expired FR700019A (fr) 1929-11-15 1929-11-15 Dispositif pour l'obtention de bonnes extinctions en radiogoniométrie

Country Status (3)

Country Link
DE (1) DE546843C (enrdf_load_stackoverflow)
FR (1) FR700019A (enrdf_load_stackoverflow)
NL (1) NL32160C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE546843C (de) 1932-03-17
NL32160C (enrdf_load_stackoverflow)

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