JPS6336474B2 - - Google Patents
Info
- Publication number
- JPS6336474B2 JPS6336474B2 JP56008385A JP838581A JPS6336474B2 JP S6336474 B2 JPS6336474 B2 JP S6336474B2 JP 56008385 A JP56008385 A JP 56008385A JP 838581 A JP838581 A JP 838581A JP S6336474 B2 JPS6336474 B2 JP S6336474B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- wave
- peak
- pulse
- reference level
- 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
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 230000002159 abnormal effect Effects 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 238000000691 measurement method Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 10
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000001960 triggered 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/527—Extracting wanted echo signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measuring Volume Flow (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56008385A JPS57122372A (en) | 1981-01-22 | 1981-01-22 | Method and apparatus for receiving or transmitting ultrasonic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56008385A JPS57122372A (en) | 1981-01-22 | 1981-01-22 | Method and apparatus for receiving or transmitting ultrasonic wave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57122372A JPS57122372A (en) | 1982-07-30 |
| JPS6336474B2 true JPS6336474B2 (enrdf_load_stackoverflow) | 1988-07-20 |
Family
ID=11691742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56008385A Granted JPS57122372A (en) | 1981-01-22 | 1981-01-22 | Method and apparatus for receiving or transmitting ultrasonic wave |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57122372A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5867708B2 (ja) * | 2012-01-10 | 2016-02-24 | 横河電機株式会社 | 超音波流量計 |
| CN107278264A (zh) * | 2016-02-05 | 2017-10-20 | 富士电机株式会社 | 测定装置、测定方法、以及程序 |
| JP7460351B2 (ja) * | 2019-10-24 | 2024-04-02 | アズビル株式会社 | 故障判定装置 |
-
1981
- 1981-01-22 JP JP56008385A patent/JPS57122372A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57122372A (en) | 1982-07-30 |
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