JPS5826281A - 海難防止用受信装置 - Google Patents
海難防止用受信装置Info
- Publication number
- JPS5826281A JPS5826281A JP12433981A JP12433981A JPS5826281A JP S5826281 A JPS5826281 A JP S5826281A JP 12433981 A JP12433981 A JP 12433981A JP 12433981 A JP12433981 A JP 12433981A JP S5826281 A JPS5826281 A JP S5826281A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- circuit
- angle
- receiving antenna
- amplified
- 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
Links
- 230000002265 prevention Effects 0.000 title claims description 5
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000010355 oscillation Effects 0.000 abstract description 6
- 230000003321 amplification Effects 0.000 description 7
- 238000003199 nucleic acid amplification method Methods 0.000 description 7
- 239000013535 sea water Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 239000003973 paint 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
- G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
- G01S3/40—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal adjusting orientation of a single directivity characteristic to produce maximum or minimum signal, e.g. rotatable loop antenna or equivalent goniometer system
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12433981A JPS5826281A (ja) | 1981-08-07 | 1981-08-07 | 海難防止用受信装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12433981A JPS5826281A (ja) | 1981-08-07 | 1981-08-07 | 海難防止用受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5826281A true JPS5826281A (ja) | 1983-02-16 |
JPS63743B2 JPS63743B2 (enrdf_load_stackoverflow) | 1988-01-08 |
Family
ID=14882899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12433981A Granted JPS5826281A (ja) | 1981-08-07 | 1981-08-07 | 海難防止用受信装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5826281A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60260210A (ja) * | 1984-06-06 | 1985-12-23 | Matsushita Electric Ind Co Ltd | 車載受信装置 |
JPS61195374A (ja) * | 1985-02-26 | 1986-08-29 | Mitsubishi Electric Corp | 静止衛星による遭難通信方式 |
-
1981
- 1981-08-07 JP JP12433981A patent/JPS5826281A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60260210A (ja) * | 1984-06-06 | 1985-12-23 | Matsushita Electric Ind Co Ltd | 車載受信装置 |
JPS61195374A (ja) * | 1985-02-26 | 1986-08-29 | Mitsubishi Electric Corp | 静止衛星による遭難通信方式 |
Also Published As
Publication number | Publication date |
---|---|
JPS63743B2 (enrdf_load_stackoverflow) | 1988-01-08 |
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