JPH0456952B2 - - Google Patents
Info
- Publication number
- JPH0456952B2 JPH0456952B2 JP8974384A JP8974384A JPH0456952B2 JP H0456952 B2 JPH0456952 B2 JP H0456952B2 JP 8974384 A JP8974384 A JP 8974384A JP 8974384 A JP8974384 A JP 8974384A JP H0456952 B2 JPH0456952 B2 JP H0456952B2
- Authority
- JP
- Japan
- Prior art keywords
- acousto
- element antenna
- radio wave
- frequency
- optic
- 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
- 238000000034 method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000004065 semiconductor Substances 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
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8974384A JPS60233577A (ja) | 1984-05-04 | 1984-05-04 | 電波探知器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8974384A JPS60233577A (ja) | 1984-05-04 | 1984-05-04 | 電波探知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60233577A JPS60233577A (ja) | 1985-11-20 |
JPH0456952B2 true JPH0456952B2 (ru) | 1992-09-10 |
Family
ID=13979236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8974384A Granted JPS60233577A (ja) | 1984-05-04 | 1984-05-04 | 電波探知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60233577A (ru) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2815505B2 (ja) * | 1992-01-06 | 1998-10-27 | 三菱電機株式会社 | 方探装置 |
JP2812036B2 (ja) * | 1992-02-17 | 1998-10-15 | 三菱電機株式会社 | 1パルス受信方探電波諸元分析装置 |
JP4566894B2 (ja) * | 2005-11-29 | 2010-10-20 | 三菱電機株式会社 | 電波到来方向測定装置 |
-
1984
- 1984-05-04 JP JP8974384A patent/JPS60233577A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60233577A (ja) | 1985-11-20 |
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