JPH01102785U - - Google Patents
Info
- Publication number
- JPH01102785U JPH01102785U JP19801287U JP19801287U JPH01102785U JP H01102785 U JPH01102785 U JP H01102785U JP 19801287 U JP19801287 U JP 19801287U JP 19801287 U JP19801287 U JP 19801287U JP H01102785 U JPH01102785 U JP H01102785U
- Authority
- JP
- Japan
- Prior art keywords
- target
- cardioid
- signal processing
- processing circuit
- maximum sensitivity
- 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.)
- Pending
Links
- 230000035945 sensitivity Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19801287U JPH01102785U (enExample) | 1987-12-25 | 1987-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19801287U JPH01102785U (enExample) | 1987-12-25 | 1987-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102785U true JPH01102785U (enExample) | 1989-07-11 |
Family
ID=31488538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19801287U Pending JPH01102785U (enExample) | 1987-12-25 | 1987-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102785U (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012173155A (ja) * | 2011-02-22 | 2012-09-10 | Nec Corp | ソーナー装置及びその指向性合成方法 |
-
1987
- 1987-12-25 JP JP19801287U patent/JPH01102785U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012173155A (ja) * | 2011-02-22 | 2012-09-10 | Nec Corp | ソーナー装置及びその指向性合成方法 |
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