YU71092A - DECAMETER WAVES ANTENNA - Google Patents

DECAMETER WAVES ANTENNA

Info

Publication number
YU71092A
YU71092A YU71092A YU71092A YU71092A YU 71092 A YU71092 A YU 71092A YU 71092 A YU71092 A YU 71092A YU 71092 A YU71092 A YU 71092A YU 71092 A YU71092 A YU 71092A
Authority
YU
Yugoslavia
Prior art keywords
curtain
dipoles
groups
relative
decameter
Prior art date
Application number
YU71092A
Other languages
Serbo-Croatian (sh)
Inventor
F. Ursenbach
F. Raffin
Original Assignee
Thomson-Csf
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 Thomson-Csf filed Critical Thomson-Csf
Publication of YU71092A publication Critical patent/YU71092A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/062—Two dimensional planar arrays using dipole aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/005—Damping of vibrations; Means for reducing wind-induced forces

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
  • Support Of Aerials (AREA)

Abstract

ANTENA ZA DEKAMETARSKE TALASE, koja ima najmanje jedan zastor postavljen vertikalno sa dipolima (d2, d3, d5-d16) rasporedjenim u grupama na različitim nivoima. Pravougaeni oblik zastora sa dipolima kod poznatih antena je napušten u korist jednog oblika koji je više sužen u gornjem delu zastora, zahvaljujući tome što je jedan broj dipola smanjen u gornjem delu (d2-d3) u odnosu na broj u grupama donjeg dela (d5-d8; d9-d12; d13-d16); reflektor (Rb) pridružen zastoru ima odgovarajuću površinu manje širine u gornjem delu u odnosu na donji deo. Performanse su samo malo izmenjene, a konstrukcija je znatno lakša. Primenjuje se naročito kod obrtnih antena.DECAMETER WAVES ANTENNA, which has at least one curtain mounted vertically with dipoles (d2, d3, d5-d16) arranged in groups at different levels. The rectangular shape of the dipole curtain at known antennas has been abandoned in favor of a single shape that is more tapered in the upper part of the curtain, due to the fact that one number of dipoles is reduced in the upper part (d2-d3) relative to the number in the lower part groups (d5- d8; d9-d12; d13-d16); the reflector (Rb) associated with the curtain has a corresponding surface of less width in the upper part relative to the lower part. The performance is only slightly altered, and the construction is much lighter. It is especially applicable for rotary antennas.

YU71092A 1991-07-19 1992-07-17 DECAMETER WAVES ANTENNA YU71092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9109171A FR2679383B1 (en) 1991-07-19 1991-07-19 DECAMETRIC WAVE ANTENNA WITH REDUCED WIND TAP.

Publications (1)

Publication Number Publication Date
YU71092A true YU71092A (en) 1995-10-03

Family

ID=9415331

Family Applications (1)

Application Number Title Priority Date Filing Date
YU71092A YU71092A (en) 1991-07-19 1992-07-17 DECAMETER WAVES ANTENNA

Country Status (7)

Country Link
EP (1) EP0524045B1 (en)
JP (1) JPH05226933A (en)
CN (1) CN1068912A (en)
CZ (1) CZ220492A3 (en)
DE (1) DE69205906T2 (en)
FR (1) FR2679383B1 (en)
YU (1) YU71092A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226732A1 (en) * 1992-08-13 1994-02-17 Abb Patent Gmbh Shortwave curtain transmission antenna
FR2711290B1 (en) * 1993-10-15 1995-12-15 Thomson Csf Broadcasting assembly comprising a rotary antenna with wire dipoles and rotary joint designed for this assembly.
FR2711289B1 (en) * 1993-10-15 1995-12-15 Thomson Csf Broadcasting assembly comprising a rigid dipole rotary antenna and rotary joint designed for this assembly.
CN102544762B (en) * 2012-01-17 2014-03-12 陕西海通天线有限责任公司 Omnidirectional short-wave high-gain antenna array suitable for use over near, middle and far communication distances

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2752387C2 (en) * 1977-11-24 1981-09-24 Brown, Boveri & Cie Ag, 6800 Mannheim Shortwave rotating antenna stand
FR2648279B1 (en) * 1989-06-13 1991-11-29 Thomson Csf ROTARY DIPOLA ANTENNA

Also Published As

Publication number Publication date
JPH05226933A (en) 1993-09-03
CZ220492A3 (en) 1993-02-17
DE69205906T2 (en) 1996-04-04
FR2679383B1 (en) 1993-10-15
FR2679383A1 (en) 1993-01-22
EP0524045B1 (en) 1995-11-08
DE69205906D1 (en) 1995-12-14
CN1068912A (en) 1993-02-10
EP0524045A1 (en) 1993-01-20

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