NL7710898A - Correlatie-ontvanger voor doppler microgolf landingssysteem. - Google Patents

Correlatie-ontvanger voor doppler microgolf landingssysteem.

Info

Publication number
NL7710898A
NL7710898A NL7710898A NL7710898A NL7710898A NL 7710898 A NL7710898 A NL 7710898A NL 7710898 A NL7710898 A NL 7710898A NL 7710898 A NL7710898 A NL 7710898A NL 7710898 A NL7710898 A NL 7710898A
Authority
NL
Netherlands
Prior art keywords
landing system
correlation receiver
microwave landing
doppler microwave
doppler
Prior art date
Application number
NL7710898A
Other languages
English (en)
Original Assignee
Hazeltine 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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of NL7710898A publication Critical patent/NL7710898A/nl

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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
    • G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
NL7710898A 1976-10-04 1977-10-04 Correlatie-ontvanger voor doppler microgolf landingssysteem. NL7710898A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/729,063 US4067014A (en) 1976-10-04 1976-10-04 Correlation receiver for doppler microwave landing system

Publications (1)

Publication Number Publication Date
NL7710898A true NL7710898A (nl) 1978-04-06

Family

ID=24929430

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7710898A NL7710898A (nl) 1976-10-04 1977-10-04 Correlatie-ontvanger voor doppler microgolf landingssysteem.

Country Status (8)

Country Link
US (1) US4067014A (nl)
JP (1) JPS5345997A (nl)
BR (1) BR7706591A (nl)
DD (1) DD133179A5 (nl)
DE (1) DE2744651A1 (nl)
FR (1) FR2366580A1 (nl)
NL (1) NL7710898A (nl)
SE (1) SE7711113L (nl)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333150A (en) * 1980-01-28 1982-06-01 Westinghouse Electric Corp. Signal receiving apparatus and method
US5334984A (en) * 1989-06-02 1994-08-02 Tokyo Keiki Co., Ltd. Method and system for locating direction of transmission source based on wave therefrom
US5694131A (en) * 1996-03-01 1997-12-02 Hughes Electronics Method and apparatus for detecting multipath interference in a radar receiver
US5960350A (en) * 1996-12-05 1999-09-28 Motorola, Inc. Method and system for optimizing a traffic channel in a wireless communications system
CA2229737A1 (en) * 1998-02-18 1999-08-18 Philsar Electronics Inc. Analog to digital converter for radio applications
US6329947B2 (en) * 1999-10-12 2001-12-11 Mark D. Smith System for processing directional signals
US8730031B2 (en) 2005-04-28 2014-05-20 Proteus Digital Health, Inc. Communication system using an implantable device
TWI503101B (zh) 2008-12-15 2015-10-11 Proteus Digital Health Inc 與身體有關的接收器及其方法
US9659423B2 (en) 2008-12-15 2017-05-23 Proteus Digital Health, Inc. Personal authentication apparatus system and method
US9439566B2 (en) 2008-12-15 2016-09-13 Proteus Digital Health, Inc. Re-wearable wireless device
KR101798128B1 (ko) 2010-02-01 2017-11-16 프로테우스 디지털 헬스, 인코포레이티드 데이터 수집 시스템
WO2012125425A2 (en) 2011-03-11 2012-09-20 Proteus Biomedical, Inc. Wearable personal body associated device with various physical configurations
WO2015112603A1 (en) 2014-01-21 2015-07-30 Proteus Digital Health, Inc. Masticable ingestible product and communication system therefor
US9756874B2 (en) 2011-07-11 2017-09-12 Proteus Digital Health, Inc. Masticable ingestible product and communication system therefor
DE102011054093A1 (de) * 2011-09-30 2013-04-04 Technische Universität Braunschweig Messverfahren zur Analyse der Ausbreitung elektromagnetischer Navigationssignale
JP6498177B2 (ja) 2013-03-15 2019-04-10 プロテウス デジタル ヘルス， インコーポレイテッド 本人認証装置システムおよび方法
CA2924815C (en) * 2013-09-20 2017-06-20 Proteus Digital Health, Inc. Methods, devices and systems for receiving and decoding a signal in the presence of noise using slices and warping
WO2015044722A1 (en) 2013-09-24 2015-04-02 Proteus Digital Health, Inc. Method and apparatus for use with received electromagnetic signal at a frequency not known exactly in advance
US10084880B2 (en) 2013-11-04 2018-09-25 Proteus Digital Health, Inc. Social media networking based on physiologic information

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747105A (en) * 1970-09-29 1973-07-17 Bendix Corp Position determining system for helicopters
US3819920A (en) * 1973-01-29 1974-06-25 Singer Co Digital frequency tracker

Also Published As

Publication number Publication date
BR7706591A (pt) 1978-08-22
FR2366580A1 (fr) 1978-04-28
JPS5345997A (en) 1978-04-25
DD133179A5 (de) 1978-12-13
SE7711113L (sv) 1978-04-05
DE2744651A1 (de) 1978-04-13
US4067014A (en) 1978-01-03

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Legal Events

Date Code Title Description
BV The patent application has lapsed