JPS6363075B2 - - Google Patents
Info
- Publication number
- JPS6363075B2 JPS6363075B2 JP3477983A JP3477983A JPS6363075B2 JP S6363075 B2 JPS6363075 B2 JP S6363075B2 JP 3477983 A JP3477983 A JP 3477983A JP 3477983 A JP3477983 A JP 3477983A JP S6363075 B2 JPS6363075 B2 JP S6363075B2
- Authority
- JP
- Japan
- Prior art keywords
- azimuth
- frequency
- signal
- circuit
- sonar
- 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
- 230000005236 sound signal Effects 0.000 claims description 46
- 238000005070 sampling Methods 0.000 claims description 13
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 230000010354 integration Effects 0.000 description 11
- 208000019300 CLIPPERS Diseases 0.000 description 5
- 230000003321 amplification Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/42—Simultaneous measurement of distance and other co-ordinates
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3477983A JPS59160783A (ja) | 1983-03-03 | 1983-03-03 | ソ−ナ−装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3477983A JPS59160783A (ja) | 1983-03-03 | 1983-03-03 | ソ−ナ−装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59160783A JPS59160783A (ja) | 1984-09-11 |
| JPS6363075B2 true JPS6363075B2 (en]) | 1988-12-06 |
Family
ID=12423769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3477983A Granted JPS59160783A (ja) | 1983-03-03 | 1983-03-03 | ソ−ナ−装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59160783A (en]) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6239783A (ja) * | 1985-08-15 | 1987-02-20 | Sogo Keibi Hoshiyou Kk | 物体検出方式 |
| JP2008008643A (ja) * | 2006-06-27 | 2008-01-17 | Hitachi Ltd | 方位角検出装置 |
| JP7006215B2 (ja) * | 2017-12-12 | 2022-01-24 | 日本電気株式会社 | 信号処理装置、信号処理方法、プログラム |
| JP7302293B2 (ja) | 2019-05-29 | 2023-07-04 | 日本電気株式会社 | 方位推定装置、方位推定方法、及びプログラム |
-
1983
- 1983-03-03 JP JP3477983A patent/JPS59160783A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59160783A (ja) | 1984-09-11 |
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