JPH0328939B2 - - Google Patents
Info
- Publication number
- JPH0328939B2 JPH0328939B2 JP18319087A JP18319087A JPH0328939B2 JP H0328939 B2 JPH0328939 B2 JP H0328939B2 JP 18319087 A JP18319087 A JP 18319087A JP 18319087 A JP18319087 A JP 18319087A JP H0328939 B2 JPH0328939 B2 JP H0328939B2
- Authority
- JP
- Japan
- Prior art keywords
- negative feedback
- beamformer
- feedback circuit
- circuit
- continuous wave
- 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
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 239000000523 sample Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 230000001605 fetal effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 210000005259 peripheral blood Anatomy 0.000 description 1
- 239000011886 peripheral blood Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18319087A JPS6427539A (en) | 1987-07-22 | 1987-07-22 | Mti apparatus of phased array type continuous wave doppler system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18319087A JPS6427539A (en) | 1987-07-22 | 1987-07-22 | Mti apparatus of phased array type continuous wave doppler system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6427539A JPS6427539A (en) | 1989-01-30 |
| JPH0328939B2 true JPH0328939B2 (id) | 1991-04-22 |
Family
ID=16131346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18319087A Granted JPS6427539A (en) | 1987-07-22 | 1987-07-22 | Mti apparatus of phased array type continuous wave doppler system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6427539A (id) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0536749Y2 (id) * | 1989-12-26 | 1993-09-17 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011030908A (ja) * | 2009-08-05 | 2011-02-17 | Aloka Co Ltd | 超音波診断装置 |
| CN107783081A (zh) * | 2017-10-19 | 2018-03-09 | 杭州睿达汽车科技有限公司 | 一种针对宽带雷达的sstmv最小方差波束形成方法 |
-
1987
- 1987-07-22 JP JP18319087A patent/JPS6427539A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0536749Y2 (id) * | 1989-12-26 | 1993-09-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6427539A (en) | 1989-01-30 |
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