JPS58111918A - 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
- JPS58111918A JPS58111918A JP21463981A JP21463981A JPS58111918A JP S58111918 A JPS58111918 A JP S58111918A JP 21463981 A JP21463981 A JP 21463981A JP 21463981 A JP21463981 A JP 21463981A JP S58111918 A JPS58111918 A JP S58111918A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- ultrasonic
- time axis
- grating
- waveform
- 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 14
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 240000003864 Ulex europaeus Species 0.000 abstract 1
- 238000005314 correlation function Methods 0.000 abstract 1
- 230000001902 propagating effect Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005311 autocorrelation function Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction 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
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 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)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21463981A JPS58111918A (ja) | 1981-12-25 | 1981-12-25 | 超音波時間軸圧縮の方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21463981A JPS58111918A (ja) | 1981-12-25 | 1981-12-25 | 超音波時間軸圧縮の方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58111918A true JPS58111918A (ja) | 1983-07-04 |
| JPS6227697B2 JPS6227697B2 (enrdf_load_stackoverflow) | 1987-06-16 |
Family
ID=16659074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21463981A Granted JPS58111918A (ja) | 1981-12-25 | 1981-12-25 | 超音波時間軸圧縮の方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58111918A (enrdf_load_stackoverflow) |
-
1981
- 1981-12-25 JP JP21463981A patent/JPS58111918A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6227697B2 (enrdf_load_stackoverflow) | 1987-06-16 |
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