JPS5818178A - 方向探知機 - Google Patents
方向探知機Info
- Publication number
- JPS5818178A JPS5818178A JP11514481A JP11514481A JPS5818178A JP S5818178 A JPS5818178 A JP S5818178A JP 11514481 A JP11514481 A JP 11514481A JP 11514481 A JP11514481 A JP 11514481A JP S5818178 A JPS5818178 A JP S5818178A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- azimuth
- circuit
- antenna
- gate
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 230000004044 response Effects 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract 1
- 230000000063 preceeding effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 14
- 238000007599 discharging Methods 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000002747 voluntary effect Effects 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
- G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic
- G01S3/18—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived directly from separate directional 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 |
---|---|---|---|
JP11514481A JPS5818178A (ja) | 1981-07-24 | 1981-07-24 | 方向探知機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11514481A JPS5818178A (ja) | 1981-07-24 | 1981-07-24 | 方向探知機 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1877885A Division JPS60247180A (ja) | 1985-02-04 | 1985-02-04 | 無線方向探知機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5818178A true JPS5818178A (ja) | 1983-02-02 |
JPS6260030B2 JPS6260030B2 (enrdf_load_stackoverflow) | 1987-12-14 |
Family
ID=14655387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11514481A Granted JPS5818178A (ja) | 1981-07-24 | 1981-07-24 | 方向探知機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5818178A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02231589A (ja) * | 1989-03-03 | 1990-09-13 | Koden Electron Co Ltd | 無線方向探知装置 |
-
1981
- 1981-07-24 JP JP11514481A patent/JPS5818178A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02231589A (ja) * | 1989-03-03 | 1990-09-13 | Koden Electron Co Ltd | 無線方向探知装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6260030B2 (enrdf_load_stackoverflow) | 1987-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1800410B1 (en) | Impedance detector | |
JPS59122242A (ja) | 移動受信機の被変調高周波信号の受信を増強する方法および装置 | |
GB2088173A (en) | Apparatus for automatically steering an electrically steerable television antenna | |
US3215854A (en) | Difference amplifier including delay means and two-state device such as tunnel diode | |
JPS5820171B2 (ja) | シユウハスウキリカエジザイノ ト−ンシンゴウケンシユツキ | |
JPS5818178A (ja) | 方向探知機 | |
US6366766B1 (en) | Input protection circuit for a radio frequency | |
GB1565200A (en) | Switching circuit | |
CA1055577A (en) | Radio frequency protection circuit | |
US4225795A (en) | Coincidence circuit for a protective relay circuit | |
JPS6323510B2 (enrdf_load_stackoverflow) | ||
CN214669616U (zh) | 一种检测单元及卫星天线在位检测装置 | |
US3778834A (en) | Direction finder calibration system | |
US2886653A (en) | Amplitude modulated oscillator systems | |
US4041327A (en) | Sense point circuit | |
GB1218366A (en) | Bit detection circuit | |
JP2634259B2 (ja) | 高周波信号方向探知装置 | |
US3435455A (en) | Radio direction finder having inductorless demodulator | |
US2485619A (en) | Direction-responsive receiver | |
JP2545133Y2 (ja) | データ回線試験器 | |
JPS5870622A (ja) | 受信機 | |
JPS60247340A (ja) | 試験回路付移動体電話機 | |
JPS5992369A (ja) | 方向探知装置 | |
US3457513A (en) | Multi-purpose receiver with single detector for demodulating a plurality of types of signals | |
US1649778A (en) | John hays hammond |