JPS60149981A - デツカ航法受信機 - Google Patents

デツカ航法受信機

Info

Publication number
JPS60149981A
JPS60149981A JP643784A JP643784A JPS60149981A JP S60149981 A JPS60149981 A JP S60149981A JP 643784 A JP643784 A JP 643784A JP 643784 A JP643784 A JP 643784A JP S60149981 A JPS60149981 A JP S60149981A
Authority
JP
Japan
Prior art keywords
frequency
phase
change
output
signal
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
JP643784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0319508B2 (enrdf_load_stackoverflow
Inventor
Teruhisa Fujino
輝久 藤野
Sadatoshi Narasaki
定利 楢崎
Yushi Nezu
祐志 根津
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.)
Koden Electronics Co Ltd
Original Assignee
Koden Electronics 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 Koden Electronics Co Ltd filed Critical Koden Electronics Co Ltd
Priority to JP643784A priority Critical patent/JPS60149981A/ja
Publication of JPS60149981A publication Critical patent/JPS60149981A/ja
Publication of JPH0319508B2 publication Critical patent/JPH0319508B2/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
    • G01S1/30—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 continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • G01S1/306—Analogous systems in which frequency-related signals (harmonics) are compared in phase, e.g. DECCA systems

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)
JP643784A 1984-01-17 1984-01-17 デツカ航法受信機 Granted JPS60149981A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP643784A JPS60149981A (ja) 1984-01-17 1984-01-17 デツカ航法受信機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP643784A JPS60149981A (ja) 1984-01-17 1984-01-17 デツカ航法受信機

Publications (2)

Publication Number Publication Date
JPS60149981A true JPS60149981A (ja) 1985-08-07
JPH0319508B2 JPH0319508B2 (enrdf_load_stackoverflow) 1991-03-15

Family

ID=11638372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP643784A Granted JPS60149981A (ja) 1984-01-17 1984-01-17 デツカ航法受信機

Country Status (1)

Country Link
JP (1) JPS60149981A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008151578A (ja) * 2006-12-15 2008-07-03 Mitsubishi Electric Corp 相対位置推定システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008151578A (ja) * 2006-12-15 2008-07-03 Mitsubishi Electric Corp 相対位置推定システム

Also Published As

Publication number Publication date
JPH0319508B2 (enrdf_load_stackoverflow) 1991-03-15

Similar Documents

Publication Publication Date Title
GB1575148A (en) Electrical energy meters
JPH0450543Y2 (enrdf_load_stackoverflow)
US4368470A (en) Radio direction finder
US4135243A (en) Single sampler heterodyne method for wideband frequency measurement
US4181432A (en) Velocity measuring system
JPS60149981A (ja) デツカ航法受信機
US3622764A (en) Method of determining the drift of a gyrocompass
US6590377B2 (en) Narrow band frequency detection circuit
GB2056812A (en) Radio direction finder
GB1593286A (en) Direction finding
JPS58103675A (ja) 探知電波到来方位検出装置
SU779905A1 (ru) Устройство дл контрол фазировани системы передающих станций
RU1768979C (ru) Радиоинтерферометрическое устройство дл определени относительных координат космических аппаратов
JPS60147664A (ja) デツカ航法受信機
SU602877A1 (ru) "Стройство измерени разности фаз радиоимпульсных сигналов4
SU769483A1 (ru) Устройство синхронизации временных шкал по сигналам точного времени
JPS6014310B2 (ja) 方位測定装置
JPH0641178Y2 (ja) スケール変換装置
SU1373812A1 (ru) Устройство контрол состо ни горных пород
SU840815A2 (ru) Устройство дл измерени амплитудныхи фАзОВыХ чАСТОТНыХ ХАРАКТЕРиСТиКСиСТЕМ АВТОМАТичЕСКОгО упРАВлЕНи
SU1068845A1 (ru) Устройство дл измерени максимальной и реальной чувствительностей радиоприемника
JPH0377074A (ja) パルス内周波数変調モード検出回路
JPS6366472A (ja) 周波数検出装置
JPS6324450Y2 (enrdf_load_stackoverflow)
JPS631255Y2 (enrdf_load_stackoverflow)