[go: up one dir, main page]

GB2347036B - Method for estimating arrival direction of desired wave - Google Patents

Method for estimating arrival direction of desired wave

Info

Publication number
GB2347036B
GB2347036B GB0000190A GB0000190A GB2347036B GB 2347036 B GB2347036 B GB 2347036B GB 0000190 A GB0000190 A GB 0000190A GB 0000190 A GB0000190 A GB 0000190A GB 2347036 B GB2347036 B GB 2347036B
Authority
GB
United Kingdom
Prior art keywords
arrival direction
desired wave
estimating arrival
estimating
wave
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
GB0000190A
Other versions
GB2347036A (en
GB0000190D0 (en
Inventor
Masashi Hirabe
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of GB0000190D0 publication Critical patent/GB0000190D0/en
Publication of GB2347036A publication Critical patent/GB2347036A/en
Application granted granted Critical
Publication of GB2347036B publication Critical patent/GB2347036B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-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
    • G01S3/74—Multi-channel systems specially adapted for direction-finding, i.e. having a single antenna system capable of giving simultaneous indications of the directions of different signals
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-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
    • G01S3/04—Details
    • G01S3/06—Means 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB0000190A 1999-01-06 2000-01-06 Method for estimating arrival direction of desired wave Expired - Fee Related GB2347036B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP102999 1999-01-06

Publications (3)

Publication Number Publication Date
GB0000190D0 GB0000190D0 (en) 2000-03-01
GB2347036A GB2347036A (en) 2000-08-23
GB2347036B true GB2347036B (en) 2003-09-10

Family

ID=11490150

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0000190A Expired - Fee Related GB2347036B (en) 1999-01-06 2000-01-06 Method for estimating arrival direction of desired wave

Country Status (1)

Country Link
GB (1) GB2347036B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003048800A1 (en) * 2001-12-05 2003-06-12 Institut Für Nachrichtentechnik Und Hochfrequenztechnik Technische Universität Wien Method for investigating the propagation of electromagnetic or acoustic waves
CN109738854B (en) * 2018-12-14 2020-07-10 北京邮电大学 Arrival angle estimation method for arrival direction of antenna array

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0632286A2 (en) * 1993-04-30 1995-01-04 Hughes Aircraft Company Self-calibrating, eigenstructure based method and means of direction finding
JPH11133130A (en) * 1997-10-30 1999-05-21 Koden Electron Co Ltd Radio wave incoming direction detecting apparatus and fm-cw radar
JPH11166965A (en) * 1997-12-03 1999-06-22 Mitsubishi Electric Corp Angle measurement signal processing apparatus and angle measurement signal processing method in the angle measurement signal processing apparatus
EP0932218A2 (en) * 1998-01-22 1999-07-28 Matsushita Electric Industrial Co., Ltd. Adaptive array antenna system and mobile telecommunications system using the same
US6008759A (en) * 1997-12-05 1999-12-28 Alcatel Method of determining the direction of arrival of a radio signal, as well as radio base station and radiocommunications system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0632286A2 (en) * 1993-04-30 1995-01-04 Hughes Aircraft Company Self-calibrating, eigenstructure based method and means of direction finding
JPH11133130A (en) * 1997-10-30 1999-05-21 Koden Electron Co Ltd Radio wave incoming direction detecting apparatus and fm-cw radar
JPH11166965A (en) * 1997-12-03 1999-06-22 Mitsubishi Electric Corp Angle measurement signal processing apparatus and angle measurement signal processing method in the angle measurement signal processing apparatus
US6008759A (en) * 1997-12-05 1999-12-28 Alcatel Method of determining the direction of arrival of a radio signal, as well as radio base station and radiocommunications system
EP0932218A2 (en) * 1998-01-22 1999-07-28 Matsushita Electric Industrial Co., Ltd. Adaptive array antenna system and mobile telecommunications system using the same

Also Published As

Publication number Publication date
GB2347036A (en) 2000-08-23
GB0000190D0 (en) 2000-03-01

Similar Documents

Publication Publication Date Title
GB0010276D0 (en) Method of forming films
AU2002229058A1 (en) Method for estimating signal strengths
EG23819A (en) Method for preparing of l-phenylephrine-hydrochloride
AU7902400A (en) Method for the preparation of 5-carboxyphthalide
AU2037101A (en) Method for immobilisation
PL334333A1 (en) Method of obtaining cyclodextrin
AU1452301A (en) Method of making shaped foam
GB2347036B (en) Method for estimating arrival direction of desired wave
PL341752A1 (en) Method of obtaining aryloamino hydroxyantraquinones
AU9119998A (en) Method of time-to-talk calculation
AU1130901A (en) Method for the preparation of 5-carboxyphthalide
GB9925658D0 (en) A method of reducing delays
GB9924752D0 (en) Method of construction
PL340733A1 (en) Method of obtaining derivatives of 2-aminothiazocarboxamide
PL325802A1 (en) Method of obtaining polyestroles
PL333334A1 (en) Method of obtaining silylethenes
AU1896201A (en) Interception method of earth-ray
AU5163300A (en) Method of processing reservation deposits
GB2353161B (en) Method of processing direction-finding signals
PL340157A1 (en) Method of obtaining derivatives of 2-phenyl-3-aminopyridine
HU9900837D0 (en) Method of building of anti-inundation-work
PL332676A1 (en) Method of obtaining benzidamine hydrochloride
PL333385A1 (en) Method of obtaining bisphenoles
PL335392A1 (en) Method of obtaining 4-hydroxy-beta-ionone
PL333032A1 (en) Method of obtaining nalpha-benzyloxycarbonyl-l-lysine

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040106