JPS644636B2 - - Google Patents
Info
- Publication number
- JPS644636B2 JPS644636B2 JP20828981A JP20828981A JPS644636B2 JP S644636 B2 JPS644636 B2 JP S644636B2 JP 20828981 A JP20828981 A JP 20828981A JP 20828981 A JP20828981 A JP 20828981A JP S644636 B2 JPS644636 B2 JP S644636B2
- Authority
- JP
- Japan
- Prior art keywords
- doppler
- signal
- noise
- frequency
- circuit
- 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
- 238000012360 testing method Methods 0.000 claims description 27
- 238000012937 correction Methods 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000012795 verification Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000011109 contamination Methods 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000003672 processing 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
- 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
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
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)
- Traffic Control Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20828981A JPS58109868A (ja) | 1981-12-23 | 1981-12-23 | 超音波ドップラセンサの信号処理装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20828981A JPS58109868A (ja) | 1981-12-23 | 1981-12-23 | 超音波ドップラセンサの信号処理装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58109868A JPS58109868A (ja) | 1983-06-30 |
| JPS644636B2 true JPS644636B2 (en]) | 1989-01-26 |
Family
ID=16553780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20828981A Granted JPS58109868A (ja) | 1981-12-23 | 1981-12-23 | 超音波ドップラセンサの信号処理装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58109868A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129677A (ja) * | 1983-12-19 | 1985-07-10 | Tokyo Electric Power Co Inc:The | ソ−ダ−装置 |
| JP3088174B2 (ja) * | 1992-02-06 | 2000-09-18 | 古野電気株式会社 | 水中探知装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5244025A (en) * | 1975-10-03 | 1977-04-06 | Nat Jutaku Kenzai | Preparation method of lattice beam |
| JPS56100375A (en) * | 1980-01-15 | 1981-08-12 | Matsushita Electric Works Ltd | Ultrasonic wave detector for moving body |
-
1981
- 1981-12-23 JP JP20828981A patent/JPS58109868A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58109868A (ja) | 1983-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1238110A (en) | Method and arrangement for signal transmission in ultrasonic echo sounding systems | |
| US4446735A (en) | Method of testing the weight per unit area of thin material | |
| JPS614986A (ja) | 超音波距離測定装置 | |
| US4715707A (en) | Laser doppler velocimeter with laser backscatter discriminator | |
| KR950001281A (ko) | 초음파센서를 이용한 장애물의 거리 측정장치 및 그 방법 | |
| JPS644636B2 (en]) | ||
| CN111596286A (zh) | 测距方法和装置 | |
| JP2608961B2 (ja) | 音波伝播時間測定方法 | |
| JP2865079B2 (ja) | パルスレーダ受信装置 | |
| JP2001074839A (ja) | 速度測定装置及びその方法 | |
| JPS61138160A (ja) | 超音波探傷装置 | |
| JPH03180794A (ja) | 超音波距離測定方法及び装置 | |
| JP3657063B2 (ja) | 速度測定装置 | |
| KR100192637B1 (ko) | 초음파 센서의 최적 구동 주파수 탐지 장치 및 방법 | |
| JPH04346092A (ja) | 超音波反射強度測定装置 | |
| JPH11271425A (ja) | ソーナー信号処理装置及び処理方法 | |
| JPS5739367A (en) | Video signal normalizing circuit of sonar device | |
| WO1996008700A1 (en) | Method for measuring the vibrations of a test object | |
| JPS6336479Y2 (en]) | ||
| JP3435927B2 (ja) | 超音波車両感知装置 | |
| Ruser et al. | Inverse filter technique for high-precision ultrasonic pulsed wave range Doppler sensors | |
| JPH0247645Y2 (en]) | ||
| SU1089525A1 (ru) | Устройство дл определени места повреждени линии электропередачи | |
| JPS61210953A (ja) | 超音波探傷装置 | |
| JPH09127239A (ja) | レーダ装置 |