JPS5880620A - 超音波時間軸圧縮の方法 - Google Patents
超音波時間軸圧縮の方法Info
- Publication number
- JPS5880620A JPS5880620A JP56178589A JP17858981A JPS5880620A JP S5880620 A JPS5880620 A JP S5880620A JP 56178589 A JP56178589 A JP 56178589A JP 17858981 A JP17858981 A JP 17858981A JP S5880620 A JPS5880620 A JP S5880620A
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- time
- signal
- spatial phase
- phase grating
- 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
- 238000000034 method Methods 0.000 title claims description 8
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000003287 optical effect Effects 0.000 abstract description 7
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000004304 visual acuity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000002123 temporal effect Effects 0.000 description 6
- 238000005192 partition Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/11—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56178589A JPS5880620A (ja) | 1981-11-07 | 1981-11-07 | 超音波時間軸圧縮の方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56178589A JPS5880620A (ja) | 1981-11-07 | 1981-11-07 | 超音波時間軸圧縮の方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5880620A true JPS5880620A (ja) | 1983-05-14 |
| JPS6227696B2 JPS6227696B2 (enrdf_load_stackoverflow) | 1987-06-16 |
Family
ID=16051104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56178589A Granted JPS5880620A (ja) | 1981-11-07 | 1981-11-07 | 超音波時間軸圧縮の方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5880620A (enrdf_load_stackoverflow) |
-
1981
- 1981-11-07 JP JP56178589A patent/JPS5880620A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6227696B2 (enrdf_load_stackoverflow) | 1987-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6468680A (en) | Distance measurement by charp echo and distance measuring apparatus thereby | |
| US4174634A (en) | Echographic device for the real-time display of internal discontinuities of a test object | |
| GB1162802A (en) | Transducer | |
| JPS6217195B2 (enrdf_load_stackoverflow) | ||
| KR930015319A (ko) | 표면 음향파 필터 | |
| KR20020043588A (ko) | 펄스압축에 의한 초음파 송수신장치 | |
| US3964013A (en) | Cavitating parametric underwater acoustic source | |
| JPS5880620A (ja) | 超音波時間軸圧縮の方法 | |
| US3879698A (en) | Unipolar acoustic pulse generator apparatus | |
| US2812032A (en) | Doubly resonant filter | |
| US3523275A (en) | System for transmitting and detecting acoustic signals | |
| GB1381912A (en) | Acoustic wave devices | |
| SU724094A3 (ru) | Устройство дл преобразовани оптических изображений | |
| JPS5880578A (ja) | 音響光学的パルス圧縮によるソナ−方式 | |
| US3352376A (en) | Stack of foils used as an acoustic relay | |
| JPS58111918A (ja) | 超音波時間軸圧縮の方法 | |
| GB1074361A (en) | Acoustic propagation line for compressing trains of electric waves | |
| US2912061A (en) | Apparatus for utilization of higher order acoustic waves | |
| JP2015175614A (ja) | パルス圧縮超音波探知装置 | |
| JPS5880619A (ja) | 音響光学的電気信号処理用液体セル | |
| SU735922A1 (ru) | Коррел ционный измеритель скорости потока | |
| JPS6227694B2 (enrdf_load_stackoverflow) | ||
| JPH0154671B2 (enrdf_load_stackoverflow) | ||
| SU1354128A1 (ru) | Акустооптический анализатор спектра СВЧ-радиосигналов | |
| ES336518A1 (es) | Aparato de medicion digital de la distancia entre dos pues-tos en un medio determinado por medio de impulsos ultrasono-ros. |