JPH0249103B2 - - Google Patents
Info
- Publication number
- JPH0249103B2 JPH0249103B2 JP60292106A JP29210685A JPH0249103B2 JP H0249103 B2 JPH0249103 B2 JP H0249103B2 JP 60292106 A JP60292106 A JP 60292106A JP 29210685 A JP29210685 A JP 29210685A JP H0249103 B2 JPH0249103 B2 JP H0249103B2
- Authority
- JP
- Japan
- Prior art keywords
- zero
- average frequency
- section
- crossing
- received 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 - Lifetime
Links
- 238000004364 calculation method Methods 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 19
- 238000002604 ultrasonography Methods 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 8
- 238000001228 spectrum Methods 0.000 description 17
- 230000006870 function Effects 0.000 description 10
- 210000001519 tissue Anatomy 0.000 description 9
- 239000006185 dispersion Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29210685A JPS62152442A (ja) | 1985-12-26 | 1985-12-26 | 超音波診断装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29210685A JPS62152442A (ja) | 1985-12-26 | 1985-12-26 | 超音波診断装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62152442A JPS62152442A (ja) | 1987-07-07 |
| JPH0249103B2 true JPH0249103B2 (fr) | 1990-10-29 |
Family
ID=17777621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29210685A Granted JPS62152442A (ja) | 1985-12-26 | 1985-12-26 | 超音波診断装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62152442A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6734079B2 (ja) | 2016-03-11 | 2020-08-05 | キヤノンメディカルシステムズ株式会社 | 医用診断装置、および医用解析プログラム |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5926073A (ja) * | 1982-04-19 | 1984-02-10 | ゼネラル・エレクトリツク・カンパニイ | 周期的波構造を決定する方法と装置 |
| JPS59122919A (ja) * | 1982-04-19 | 1984-07-16 | ゼネラル・エレクトリック・カンパニイ | 波の周波数領域特性を決定する方法と装置 |
| JPS62109533A (ja) * | 1985-11-08 | 1987-05-20 | 松下電器産業株式会社 | 電気掃除機の集塵袋 |
-
1985
- 1985-12-26 JP JP29210685A patent/JPS62152442A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5926073A (ja) * | 1982-04-19 | 1984-02-10 | ゼネラル・エレクトリツク・カンパニイ | 周期的波構造を決定する方法と装置 |
| JPS59122919A (ja) * | 1982-04-19 | 1984-07-16 | ゼネラル・エレクトリック・カンパニイ | 波の周波数領域特性を決定する方法と装置 |
| JPS62109533A (ja) * | 1985-11-08 | 1987-05-20 | 松下電器産業株式会社 | 電気掃除機の集塵袋 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62152442A (ja) | 1987-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |