JPS60237380A - ロランｃ信号の位相追尾装置 - Google Patents

ロランｃ信号の位相追尾装置

Info

Publication number
JPS60237380A
JPS60237380A JP59094330A JP9433084A JPS60237380A JP S60237380 A JPS60237380 A JP S60237380A JP 59094330 A JP59094330 A JP 59094330A JP 9433084 A JP9433084 A JP 9433084A JP S60237380 A JPS60237380 A JP S60237380A
Authority
JP
Japan
Prior art keywords
signal
loran
phase
comparison
ratio
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
JP59094330A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0324992B2 (enExample
Inventor
Hiroshige Fukuhara
福原　裕成
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP59094330A priority Critical patent/JPS60237380A/ja
Priority to US06/733,052 priority patent/US4774518A/en
Publication of JPS60237380A publication Critical patent/JPS60237380A/ja
Publication of JPH0324992B2 publication Critical patent/JPH0324992B2/ja
Granted 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
    • 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
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/24—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
    • G01S1/245—Details of receivers cooperating therewith, e.g. determining positive zero crossing of third cycle in LORAN-C
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
JP59094330A 1984-05-11 1984-05-11 ロランｃ信号の位相追尾装置 Granted JPS60237380A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59094330A JPS60237380A (ja) 1984-05-11 1984-05-11 ロランｃ信号の位相追尾装置
US06/733,052 US4774518A (en) 1984-05-11 1985-05-09 Loran-C signal phase tracking apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59094330A JPS60237380A (ja) 1984-05-11 1984-05-11 ロランｃ信号の位相追尾装置

Publications (2)

Publication Number Publication Date
JPS60237380A true JPS60237380A (ja) 1985-11-26
JPH0324992B2 JPH0324992B2 (enExample) 1991-04-04

Family

ID=14107267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59094330A Granted JPS60237380A (ja) 1984-05-11 1984-05-11 ロランｃ信号の位相追尾装置

Country Status (2)

Country Link
US (1) US4774518A (enExample)
JP (1) JPS60237380A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163004A (en) * 1991-01-11 1992-11-10 Cartesian Devices Position tracking system
US5621417A (en) * 1995-06-07 1997-04-15 General Electric Company Method and mechanism for reduction of within-train reported data
US5729230A (en) * 1996-01-17 1998-03-17 Hughes Aircraft Company Delta-Sigma Δ-Σ modulator having a dynamically tunable continuous time Gm-C architecture
US6313785B1 (en) 2000-04-28 2001-11-06 Lockheed Martin Corporation Dual detection processing for detecting signals with high acceleration uncertainty
WO2002085663A1 (fr) * 2001-04-20 2002-10-31 Seiko Epson Corporation Controleur de direction d'un objet de commande
US7453933B2 (en) * 2001-05-04 2008-11-18 Lucent Technologies Inc. Method of estimating a signal-to-interference+noise ratio (SINR) using data samples
CN102571120B (zh) * 2011-11-23 2014-06-04 周隽 低信噪比条件下的罗兰c信号定时解调方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275917A (en) * 1975-12-22 1977-06-25 Toshiba Corp Phase control circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921076A (en) * 1973-03-08 1975-11-18 Int Navigation Corp Method of and apparatus for locating predetermined portions of a radio-frequency pulse, particularly adapted for leading edge location of loran and similar navigational pulses
US3868690A (en) * 1973-04-13 1975-02-25 Epsco Inc Loran receiver envelope-cycle discrepancy compensation
US3868691A (en) * 1973-04-13 1975-02-25 Epsco Inc Loran receiver automated master search

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275917A (en) * 1975-12-22 1977-06-25 Toshiba Corp Phase control circuit

Also Published As

Publication number Publication date
JPH0324992B2 (enExample) 1991-04-04
US4774518A (en) 1988-09-27

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