NO820450L - Mottaker for et navigasjonssystem. - Google Patents

Mottaker for et navigasjonssystem.

Info

Publication number
NO820450L
NO820450L NO820450A NO820450A NO820450L NO 820450 L NO820450 L NO 820450L NO 820450 A NO820450 A NO 820450A NO 820450 A NO820450 A NO 820450A NO 820450 L NO820450 L NO 820450L
Authority
NO
Norway
Prior art keywords
signals
receiver
local oscillator
demodulators
frequency
Prior art date
Application number
NO820450A
Other languages
English (en)
Norwegian (no)
Inventor
Finn Hendil
Henning Haugaard Andersen
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of NO820450L publication Critical patent/NO820450L/no

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)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)
NO820450A 1981-02-18 1982-02-15 Mottaker for et navigasjonssystem. NO820450L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8100786 1981-02-18
NL8101720A NL8101720A (nl) 1981-02-18 1981-04-08 Ontvanger voor navigatiesignalen.

Publications (1)

Publication Number Publication Date
NO820450L true NO820450L (no) 1982-10-11

Family

ID=26645682

Family Applications (1)

Application Number Title Priority Date Filing Date
NO820450A NO820450L (no) 1981-02-18 1982-02-15 Mottaker for et navigasjonssystem.

Country Status (9)

Country Link
AU (1) AU8051082A (it)
DE (1) DE3204591A1 (it)
DK (1) DK65682A (it)
FR (1) FR2500170A1 (it)
GB (1) GB2093310B (it)
IT (1) IT1149652B (it)
NL (1) NL8101720A (it)
NO (1) NO820450L (it)
SE (1) SE8200881L (it)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3602812A (en) * 1969-01-06 1971-08-31 Singer General Precision Measuring the relative phases of sequential signal bursts
US4015262A (en) * 1974-12-30 1977-03-29 Northrop Corporation Digital filters for obtaining quadrature components of a periodic signal

Also Published As

Publication number Publication date
FR2500170A1 (fr) 1982-08-20
DK65682A (da) 1982-08-19
IT8219667A0 (it) 1982-02-15
IT1149652B (it) 1986-12-03
AU8051082A (en) 1982-08-26
SE8200881L (sv) 1982-08-19
DE3204591A1 (de) 1982-10-28
NL8101720A (nl) 1982-09-16
GB2093310B (en) 1984-08-30
GB2093310A (en) 1982-08-25

Similar Documents

Publication Publication Date Title
US2453970A (en) Recognition system for pulse echo radio locators
EP0519015A1 (en) Offset frequency converter for phase/amplitude data measurement receivers
US4800577A (en) GPS receiver
NO154777B (no) Radarsystem.
US4106022A (en) Radio position-determining system
US4546356A (en) Process for the protection of a radar against jamming and radar for putting this process into effect
US4347515A (en) Radar radiometer and its use
US4389648A (en) Doppler radar system
US2528119A (en) Frequency modulation range finder
NO820450L (no) Mottaker for et navigasjonssystem.
JPS5836746B2 (ja) 自動利得制御方法
NO811615L (no) Radiomottager.
US4035802A (en) Method and apparatus for wind measurement
EP0531345A1 (en) RADIO TEST LOOP FOR RADIO TRANSMITTER / RECEIVER.
GB983014A (en) Improvements in or relating to phase comparison radio navigation systems
JPH033192B2 (it)
US3308466A (en) Receivers for an aircraft landing system
CA2096715A1 (en) Arrangement for comparing two temporally separated bursts of signal at two different frequencies
US2725556A (en) Distance and direction indicating equipment
JPH03144390A (ja) ２方位同時送受信レーダ装置
SU985753A1 (ru) Устройство дл измерени диаграммы направленности антенн
JPS6331015Y2 (it)
SU789909A1 (ru) Устройство дл контрол радиома ка
Fisher Digital signal processing of Decca Navigator radionavigation signals
RU171482U1 (ru) Комбинированный пеленгатор