JPS6252266B2 - - Google Patents
Info
- Publication number
- JPS6252266B2 JPS6252266B2 JP54018731A JP1873179A JPS6252266B2 JP S6252266 B2 JPS6252266 B2 JP S6252266B2 JP 54018731 A JP54018731 A JP 54018731A JP 1873179 A JP1873179 A JP 1873179A JP S6252266 B2 JPS6252266 B2 JP S6252266B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- antenna elements
- terminal
- sideband
- switching
- 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
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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1873179A JPS55110968A (en) | 1979-02-20 | 1979-02-20 | Dsb doppler vor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1873179A JPS55110968A (en) | 1979-02-20 | 1979-02-20 | Dsb doppler vor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55110968A JPS55110968A (en) | 1980-08-27 |
| JPS6252266B2 true JPS6252266B2 (cg-RX-API-DMAC7.html) | 1987-11-04 |
Family
ID=11979807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1873179A Granted JPS55110968A (en) | 1979-02-20 | 1979-02-20 | Dsb doppler vor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55110968A (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01310155A (ja) * | 1988-06-08 | 1989-12-14 | Mitsubishi Electric Corp | Ｅｇｒシステムの異常検出装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4931837A (cg-RX-API-DMAC7.html) * | 1972-07-27 | 1974-03-22 |
-
1979
- 1979-02-20 JP JP1873179A patent/JPS55110968A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01310155A (ja) * | 1988-06-08 | 1989-12-14 | Mitsubishi Electric Corp | Ｅｇｒシステムの異常検出装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55110968A (en) | 1980-08-27 |
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