DE69317687D1 - Frequenzbereichpolarimeter - Google Patents

Frequenzbereichpolarimeter

Info

Publication number
DE69317687D1
DE69317687D1 DE69317687T DE69317687T DE69317687D1 DE 69317687 D1 DE69317687 D1 DE 69317687D1 DE 69317687 T DE69317687 T DE 69317687T DE 69317687 T DE69317687 T DE 69317687T DE 69317687 D1 DE69317687 D1 DE 69317687D1
Authority
DE
Germany
Prior art keywords
frequency domain
domain polarimeter
polarimeter
frequency
domain
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 - Fee Related
Application number
DE69317687T
Other languages
English (en)
Other versions
DE69317687T2 (de
Inventor
Donald Frank Shea
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.)
Raytheon Co
Original Assignee
E Systems Inc
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 E Systems Inc filed Critical E Systems Inc
Application granted granted Critical
Publication of DE69317687D1 publication Critical patent/DE69317687D1/de
Publication of DE69317687T2 publication Critical patent/DE69317687T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
    • G01R29/0892—Details related to signal analysis or treatment; presenting results, e.g. displays; measuring specific signal features other than field strength, e.g. polarisation, field modes, phase, envelope, maximum value
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Radio Transmission System (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
DE69317687T 1992-01-29 1993-01-21 Frequenzbereichpolarimeter Expired - Fee Related DE69317687T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/827,414 US5235340A (en) 1992-01-29 1992-01-29 Frequency domain polarimeter

Publications (2)

Publication Number Publication Date
DE69317687D1 true DE69317687D1 (de) 1998-05-07
DE69317687T2 DE69317687T2 (de) 1998-11-12

Family

ID=25249165

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317687T Expired - Fee Related DE69317687T2 (de) 1992-01-29 1993-01-21 Frequenzbereichpolarimeter

Country Status (11)

Country Link
US (2) US5235340A (de)
EP (1) EP0553945B1 (de)
JP (1) JPH05312869A (de)
KR (1) KR0125766B1 (de)
AU (1) AU659267B2 (de)
CA (1) CA2087626C (de)
DE (1) DE69317687T2 (de)
GR (1) GR3026667T3 (de)
IL (1) IL104551A (de)
NO (1) NO302639B1 (de)
TR (1) TR26954A (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235340A (en) * 1992-01-29 1993-08-10 E-Systems, Inc. Frequency domain polarimeter
US5500646A (en) * 1994-07-29 1996-03-19 The United States Of America As Represented By The Department Of Commerce Simultaneous differential polymetric measurements and co-polar correlation coefficient measurement
US6295025B1 (en) * 1998-11-09 2001-09-25 Smith Technologies Development, Llc System for measuring and displaying three-dimensional characteristics of electromagnetic waves
US6911937B1 (en) * 1999-11-12 2005-06-28 Itt Manufacturing Enterprises, Inc. Digital polarimetric system
US6608587B1 (en) * 2001-07-24 2003-08-19 Itt Manufacturing Enterprises, Inc. Digital polarimetric system for generating polarization agile signals
US6556002B1 (en) * 2001-08-08 2003-04-29 Itt Manufacturing Enterprises, Inc. Wideband instantaneous polarization measurement
JP4317372B2 (ja) * 2002-02-27 2009-08-19 パナソニック株式会社 偏波測定装置並びにそれを用いたアンテナ特性測定装置及び電波測定装置
WO2004095235A2 (en) 2003-03-24 2004-11-04 Quorum Systems, Inc. Multi-mode wireless bridge system and method using a single-radio transceiver
US7031672B2 (en) * 2003-03-24 2006-04-18 Quorum Systems, Inc. Direct conversion transmitter system and method with quadrature balancing and low LO feed through
KR100810231B1 (ko) * 2005-09-28 2008-03-06 삼성전자주식회사 무선 통신 시스템에서 다중 안테나를 이용한 신호 송신방법 및 장치
US7623064B2 (en) * 2005-12-06 2009-11-24 Arthur Robert Calderbank Instantaneous radar polarimetry
EP2260593B1 (de) * 2008-02-22 2014-08-06 Ofidium Pty Ltd Verfahren und vorrichtung zum empfang von optischen signalen
US8730098B1 (en) * 2011-01-05 2014-05-20 The United States Of America As Represented By The Secretary Of The Navy Method for radar detection of persons wearing wires
US10436059B2 (en) * 2014-05-12 2019-10-08 Simmonds Precision Products, Inc. Rotating stall detection through ratiometric measure of the sub-synchronous band spectrum
US20180066991A1 (en) * 2015-03-12 2018-03-08 President And Fellows Of Harvard College Polarization-selective scattering antenna arrays based polarimeter
WO2018145042A1 (en) * 2017-02-03 2018-08-09 University Of Notre Dame Du Lac Heart and lung monitoring with coherent signal dispersion
US10280787B2 (en) 2015-11-09 2019-05-07 University Of Notre Dame Du Lac Monitoring rotating machinery using radio frequency probes
US10605841B2 (en) * 2015-11-09 2020-03-31 University Of Notre Dame Du Lac Coherent signal analyzer
CN108603905A (zh) * 2016-02-03 2018-09-28 松下知识产权经营株式会社 电波测定装置
US10623075B2 (en) * 2016-04-02 2020-04-14 University Of Notre Dame Du Lac Linear combinations of transmit signals by a receiver
US11874386B2 (en) 2017-02-01 2024-01-16 Cobham Advanced Electronic Solutions, Inc. RF polarimeters with optical delay lines
CN107843774B (zh) * 2017-11-08 2021-01-05 中国电子科技集团公司电子科学研究院 电磁态势的计算成像方法及电磁态势成像系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991417A (en) * 1955-01-06 1961-07-04 Papp George Wave polarization detecting apparatus
US3836973A (en) * 1972-09-29 1974-09-17 Maxson Electronics Corp Polarimeter apparatus
US3890571A (en) * 1973-10-17 1975-06-17 Communications Satellite Corp Radio frequency polarimeter
FR2478820A1 (fr) * 1980-03-19 1981-09-25 Faure Marc Equipement de mesure de l'affaiblissement differentiel et du dephasage entre deux ondes de polarisations orthogonales
US4313205A (en) * 1980-07-07 1982-01-26 Communications Satellite Corporation Carrier synchronization and symbol synchronization for offset-QPSK burst communications
US4556888A (en) * 1982-07-19 1985-12-03 Cubic Corporation Polarization measurement system and method
US4864641A (en) * 1987-02-16 1989-09-05 Mitsubishi Denki Kabushiki Kaisha Radio data transmission system
US5235340A (en) * 1992-01-29 1993-08-10 E-Systems, Inc. Frequency domain polarimeter

Also Published As

Publication number Publication date
TR26954A (tr) 1994-09-12
CA2087626A1 (en) 1993-07-30
NO302639B1 (no) 1998-03-30
EP0553945B1 (de) 1998-04-01
DE69317687T2 (de) 1998-11-12
NO930296D0 (no) 1993-01-28
EP0553945A1 (de) 1993-08-04
AU3209993A (en) 1993-08-05
GR3026667T3 (en) 1998-07-31
AU659267B2 (en) 1995-05-11
KR930016788A (ko) 1993-08-30
US5420590A (en) 1995-05-30
KR0125766B1 (ko) 1998-04-10
CA2087626C (en) 1999-03-30
NO930296L (no) 1993-07-30
IL104551A (en) 1995-10-31
JPH05312869A (ja) 1993-11-26
US5235340A (en) 1993-08-10

Similar Documents

Publication Publication Date Title
DE69317687D1 (de) Frequenzbereichpolarimeter
DE69311821T2 (de) Atomfrequenzstandard
DE69616022D1 (de) Frequenzsynthetisierer
DE69322091D1 (de) Dehydrierungsverfahren
DE59407500D1 (de) Hochfrequenzempfänger
DE69414032D1 (de) Hochfrequenzverstärker
DE69213148D1 (de) Frequenzkorrelator
DE69424880D1 (de) Hochfrequenz-abtastumsetzer
DE69613709D1 (de) Frequenzsynthetisierer
DE69230581T2 (de) Frequenzsynthetisierer
DE69626856D1 (de) Hochfrequenztransformator
DE69312428D1 (de) Frequenzbereichdetektor
DK144292D0 (da) Forbedret fremgangsmaade
FI922575A (fi) Akustiska vibrationer tillaempande behandlingsapparat foer andningsvaegar
KR960020187U (ko) 저주파 전침기
NO930190D0 (no) Frekvens-vaeskenivaamaaler
KR940004485U (ko) 주파수 발생장치
KR960012789U (ko) 고주파 증폭기
KR940000296U (ko) 착즙기
KR940011608U (ko) 과즙 제조기
KR940012145U (ko) 착즙기
KR930020725U (ko) 착즙기
KR950004986U (ko) 주파수 공용시스템
KR950009433U (ko) 고주파 가열장치
KR950019920U (ko) 고주파 가열장치

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee