JPS6255113B2 - - Google Patents
Info
- Publication number
- JPS6255113B2 JPS6255113B2 JP16229280A JP16229280A JPS6255113B2 JP S6255113 B2 JPS6255113 B2 JP S6255113B2 JP 16229280 A JP16229280 A JP 16229280A JP 16229280 A JP16229280 A JP 16229280A JP S6255113 B2 JPS6255113 B2 JP S6255113B2
- Authority
- JP
- Japan
- Prior art keywords
- azimuth
- antenna
- radio wave
- phase difference
- antenna elements
- 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
- 238000005259 measurement Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
- G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16229280A JPS5786066A (en) | 1980-11-18 | 1980-11-18 | Bearing measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16229280A JPS5786066A (en) | 1980-11-18 | 1980-11-18 | Bearing measuring device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5786066A JPS5786066A (en) | 1982-05-28 |
JPS6255113B2 true JPS6255113B2 (pt-PT) | 1987-11-18 |
Family
ID=15751709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16229280A Granted JPS5786066A (en) | 1980-11-18 | 1980-11-18 | Bearing measuring device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5786066A (pt-PT) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0351316U (pt-PT) * | 1989-09-22 | 1991-05-20 |
-
1980
- 1980-11-18 JP JP16229280A patent/JPS5786066A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0351316U (pt-PT) * | 1989-09-22 | 1991-05-20 |
Also Published As
Publication number | Publication date |
---|---|
JPS5786066A (en) | 1982-05-28 |
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