JPS6058569A - 指向性受波ビ−ムの形成装置 - Google Patents
指向性受波ビ−ムの形成装置Info
- Publication number
- JPS6058569A JPS6058569A JP16871883A JP16871883A JPS6058569A JP S6058569 A JPS6058569 A JP S6058569A JP 16871883 A JP16871883 A JP 16871883A JP 16871883 A JP16871883 A JP 16871883A JP S6058569 A JPS6058569 A JP S6058569A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- mixed
- mixing
- phase
- mixed frequency
- 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
- 239000000284 extract Substances 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 241000282461 Canis lupus Species 0.000 description 1
- GXCLVBGFBYZDAG-UHFFFAOYSA-N N-[2-(1H-indol-3-yl)ethyl]-N-methylprop-2-en-1-amine Chemical compound CN(CCC1=CNC2=C1C=CC=C2)CC=C GXCLVBGFBYZDAG-UHFFFAOYSA-N 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16871883A JPS6058569A (ja) | 1983-09-12 | 1983-09-12 | 指向性受波ビ−ムの形成装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16871883A JPS6058569A (ja) | 1983-09-12 | 1983-09-12 | 指向性受波ビ−ムの形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6058569A true JPS6058569A (ja) | 1985-04-04 |
JPH0251155B2 JPH0251155B2 (enrdf_load_stackoverflow) | 1990-11-06 |
Family
ID=15873152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16871883A Granted JPS6058569A (ja) | 1983-09-12 | 1983-09-12 | 指向性受波ビ−ムの形成装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6058569A (enrdf_load_stackoverflow) |
-
1983
- 1983-09-12 JP JP16871883A patent/JPS6058569A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0251155B2 (enrdf_load_stackoverflow) | 1990-11-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3856985A (en) | Ultrasonic diagnostic apparatus | |
CA1129984A (en) | Two-dimensional linear b-scan ultrasound diagnostic apparatus with phase and amplitude tapering | |
US3953825A (en) | Electronically focused imaging system and method | |
US4368643A (en) | Ultrasonic imaging by radial scan beams emanating from a hypothetical point located behind linear transducer array | |
US5417217A (en) | Echo beam former for an ultrasonic diagnostic apparatus | |
US4070642A (en) | Ultrasonic wave transmitting and receiving apparatus | |
JPS61103361A (ja) | 周波数変調信号中の非直線性を補償する装置 | |
EP0394439B1 (en) | Ultrasonic diagnostic apparatus | |
JPS63501657A (ja) | パルス幅伸長機能付き圧縮受信装置 | |
JPS6058569A (ja) | 指向性受波ビ−ムの形成装置 | |
US4119939A (en) | Acoustic imaging method and apparatus | |
US4248091A (en) | Ultrasonic pulse-echo apparatus | |
US3875571A (en) | Long range marine navigation system | |
GB2134741A (en) | Radar apparatus | |
US4309906A (en) | Apparatus for providing an ultrasonic sectional view | |
JPS61173182A (ja) | 広範囲角水中探知装置に用いる指向性ビ−ム形成方法 | |
JPH0123748B2 (enrdf_load_stackoverflow) | ||
JPS63305275A (ja) | 地中埋設物探査装置のフィルタリング方式 | |
SU853567A1 (ru) | Чм-рефлектометр | |
US3289201A (en) | Radar system with phase coherent intermediate frequency signals | |
JPS5812022B2 (ja) | 超音波映像装置 | |
JPS6116031B2 (enrdf_load_stackoverflow) | ||
JPH0118392B2 (enrdf_load_stackoverflow) | ||
JPH0347474B2 (enrdf_load_stackoverflow) | ||
JPS6246280A (ja) | 広範囲角水中探知装置における送信装置 |