FR2257157A1 - - Google Patents

Info

Publication number
FR2257157A1
FR2257157A1 FR7500145A FR7500145A FR2257157A1 FR 2257157 A1 FR2257157 A1 FR 2257157A1 FR 7500145 A FR7500145 A FR 7500145A FR 7500145 A FR7500145 A FR 7500145A FR 2257157 A1 FR2257157 A1 FR 2257157A1
Authority
FR
France
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
FR7500145A
Other languages
French (fr)
Other versions
FR2257157B1 (sl
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.)
Commonwealth of Australia
Original Assignee
Commonwealth of Australia
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 Commonwealth of Australia filed Critical Commonwealth of Australia
Publication of FR2257157A1 publication Critical patent/FR2257157A1/fr
Application granted granted Critical
Publication of FR2257157B1 publication Critical patent/FR2257157B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/18—Reflecting surfaces; Equivalent structures comprising plurality of mutually inclined plane surfaces, e.g. corner reflector
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4052—Means for monitoring or calibrating by simulation of echoes
    • G01S7/4082—Means for monitoring or calibrating by simulation of echoes using externally generated reference signals, e.g. via remote reflector or transponder

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7500145A 1974-01-03 1975-01-03 Expired FR2257157B1 (sl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU614774 1974-01-03

Publications (2)

Publication Number Publication Date
FR2257157A1 true FR2257157A1 (sl) 1975-08-01
FR2257157B1 FR2257157B1 (sl) 1981-06-12

Family

ID=3696652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7500145A Expired FR2257157B1 (sl) 1974-01-03 1975-01-03

Country Status (5)

Country Link
AU (1) AU497632B2 (sl)
DE (1) DE2461945A1 (sl)
FR (1) FR2257157B1 (sl)
GB (1) GB1496611A (sl)
NL (1) NL7500052A (sl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733091B1 (fr) * 1983-05-06 1997-05-23 Cmh Sarl Repondeur hyperfrequence electriquement controlable et ses applications a la realisation de leurres electromagnetiques
DE102010001440B4 (de) * 2010-02-01 2014-01-16 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Mess-System zur Messung des Wasserstands eines Gewässers
DE102019130708A1 (de) * 2019-11-14 2021-05-20 Vega Grieshaber Kg Messanordnung sowie Verfahren zum Bestimmen einer Füllhöhe eines Mediums
CN110940358B (zh) * 2019-12-31 2023-07-25 徐州治鼎环境科技有限公司 一种激光雷达和惯导联合标定的装置及标定方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922158A (en) * 1956-05-14 1960-01-19 Boeing Co Radar corner reflector with electrically conductive liquid reflective surface

Also Published As

Publication number Publication date
NL7500052A (nl) 1975-07-07
GB1496611A (en) 1977-12-30
AU7668074A (en) 1976-06-24
DE2461945A1 (de) 1975-07-17
AU497632B2 (en) 1978-12-21
FR2257157B1 (sl) 1981-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse