FR2281685A1 - DEVICE FOR AUTOMATIC CORRECTION OF THE DEPOLARIZATION EFFECT OF AN ELECTROMAGNETIC WAVE - Google Patents

DEVICE FOR AUTOMATIC CORRECTION OF THE DEPOLARIZATION EFFECT OF AN ELECTROMAGNETIC WAVE

Info

Publication number
FR2281685A1
FR2281685A1 FR7524890A FR7524890A FR2281685A1 FR 2281685 A1 FR2281685 A1 FR 2281685A1 FR 7524890 A FR7524890 A FR 7524890A FR 7524890 A FR7524890 A FR 7524890A FR 2281685 A1 FR2281685 A1 FR 2281685A1
Authority
FR
France
Prior art keywords
electromagnetic wave
automatic correction
depolarization effect
depolarization
effect
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.)
Granted
Application number
FR7524890A
Other languages
French (fr)
Other versions
FR2281685B1 (en
Inventor
Enzo Cavalieri D Oro
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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2281685A1 publication Critical patent/FR2281685A1/en
Application granted granted Critical
Publication of FR2281685B1 publication Critical patent/FR2281685B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/002—Reducing depolarization effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Radio Relay Systems (AREA)
  • Noise Elimination (AREA)
FR7524890A 1974-08-09 1975-08-08 DEVICE FOR AUTOMATIC CORRECTION OF THE DEPOLARIZATION EFFECT OF AN ELECTROMAGNETIC WAVE Granted FR2281685A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2616674A IT1021103B (en) 1974-08-09 1974-08-09 DEVICE FOR THE AUTOMATIC CORRECTION OF THE EFFECT OF DEPOLARIZATION OF ELECTROMAGNETIC WAVES

Publications (2)

Publication Number Publication Date
FR2281685A1 true FR2281685A1 (en) 1976-03-05
FR2281685B1 FR2281685B1 (en) 1978-09-01

Family

ID=11218814

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524890A Granted FR2281685A1 (en) 1974-08-09 1975-08-08 DEVICE FOR AUTOMATIC CORRECTION OF THE DEPOLARIZATION EFFECT OF AN ELECTROMAGNETIC WAVE

Country Status (7)

Country Link
JP (1) JPS5138811A (en)
BR (1) BR7505000A (en)
CA (1) CA1069589A (en)
DE (1) DE2535536A1 (en)
FR (1) FR2281685A1 (en)
GB (1) GB1504899A (en)
IT (1) IT1021103B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301976A1 (en) * 1975-02-20 1976-09-17 Licentia Gmbh ADJUSTMENT SYSTEM FOR THE RESTORATION OF ORTHO
EP0348940A2 (en) * 1988-06-29 1990-01-03 Nec Corporation Uplink cross-polarization interference canceller using correlation calculator and stepwise tracking controller

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283795A (en) * 1979-10-03 1981-08-11 Bell Telephone Laboratories, Incorporated Adaptive cross-polarization interference cancellation arrangements
JP2666702B2 (en) * 1993-10-29 1997-10-22 日本電気株式会社 Cross polarization compensator

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ARTICLE : "RESTORING THE ORTHOGONALITY OF TWO POLARIZATIONS IN RADIO COMMUNICATION SYSTEMS" PREMIERE PARTIE AUTEUR : CHU) *
PAGES 3063 A 3069 *
REVUE US "THE BELL SYSTEM TECHNICAL JOURNAL" VOL. 50, NO 9, NOVEMBRE 1971 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301976A1 (en) * 1975-02-20 1976-09-17 Licentia Gmbh ADJUSTMENT SYSTEM FOR THE RESTORATION OF ORTHO
EP0348940A2 (en) * 1988-06-29 1990-01-03 Nec Corporation Uplink cross-polarization interference canceller using correlation calculator and stepwise tracking controller
EP0348940A3 (en) * 1988-06-29 1991-03-27 Nec Corporation Uplink cross-polarization interference canceller using correlation calculator and stepwise tracking controller

Also Published As

Publication number Publication date
GB1504899A (en) 1978-03-22
CA1069589A (en) 1980-01-08
FR2281685B1 (en) 1978-09-01
JPS5138811A (en) 1976-03-31
DE2535536A1 (en) 1976-02-26
IT1021103B (en) 1978-01-30
BR7505000A (en) 1976-08-03

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Legal Events

Date Code Title Description
ST Notification of lapse