JPH0337938B2 - - Google Patents
Info
- Publication number
- JPH0337938B2 JPH0337938B2 JP16658682A JP16658682A JPH0337938B2 JP H0337938 B2 JPH0337938 B2 JP H0337938B2 JP 16658682 A JP16658682 A JP 16658682A JP 16658682 A JP16658682 A JP 16658682A JP H0337938 B2 JPH0337938 B2 JP H0337938B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- circuit
- signal
- doppler
- echo signal
- 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
- 238000001228 spectrum Methods 0.000 claims description 57
- 238000012937 correction Methods 0.000 claims description 28
- 238000001514 detection method Methods 0.000 description 21
- 230000017531 blood circulation Effects 0.000 description 19
- 238000002604 ultrasonography Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 10
- 239000000523 sample Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000002238 attenuated effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16658682A JPS5957641A (ja) | 1982-09-27 | 1982-09-27 | 超音波パルスドプラ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16658682A JPS5957641A (ja) | 1982-09-27 | 1982-09-27 | 超音波パルスドプラ装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24904489A Division JPH02119852A (ja) | 1989-09-27 | 1989-09-27 | 超音波パルスドプラ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5957641A JPS5957641A (ja) | 1984-04-03 |
| JPH0337938B2 true JPH0337938B2 (en]) | 1991-06-07 |
Family
ID=15834019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16658682A Granted JPS5957641A (ja) | 1982-09-27 | 1982-09-27 | 超音波パルスドプラ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5957641A (en]) |
-
1982
- 1982-09-27 JP JP16658682A patent/JPS5957641A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5957641A (ja) | 1984-04-03 |
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