JPS5215362A - Carrier frequency control system in doppler system having directional discriminating function - Google Patents
Carrier frequency control system in doppler system having directional discriminating functionInfo
- Publication number
- JPS5215362A JPS5215362A JP50091217A JP9121775A JPS5215362A JP S5215362 A JPS5215362 A JP S5215362A JP 50091217 A JP50091217 A JP 50091217A JP 9121775 A JP9121775 A JP 9121775A JP S5215362 A JPS5215362 A JP S5215362A
- Authority
- JP
- Japan
- Prior art keywords
- carrier frequency
- frequency control
- control system
- doppler
- discriminating function
- 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Measuring Volume Flow (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
PURPOSE:In the carrier frequency control system used with ultrasonic Doppler blood flowmeter, carrier frequency is controlled by comparing components in receive signals which do not receive Doppler shift thru a band filter, and directional separation characteristic whose symmetry does not deform.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50091217A JPS5215362A (en) | 1975-07-25 | 1975-07-25 | Carrier frequency control system in doppler system having directional discriminating function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50091217A JPS5215362A (en) | 1975-07-25 | 1975-07-25 | Carrier frequency control system in doppler system having directional discriminating function |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5215362A true JPS5215362A (en) | 1977-02-04 |
Family
ID=14020245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50091217A Pending JPS5215362A (en) | 1975-07-25 | 1975-07-25 | Carrier frequency control system in doppler system having directional discriminating function |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5215362A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53112216A (en) * | 1977-03-14 | 1978-09-30 | Mitsubishi Keikinzoku Kogyo | Hopper for aluminum electrolytic bath |
-
1975
- 1975-07-25 JP JP50091217A patent/JPS5215362A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53112216A (en) * | 1977-03-14 | 1978-09-30 | Mitsubishi Keikinzoku Kogyo | Hopper for aluminum electrolytic bath |
JPS5933672B2 (en) * | 1977-03-14 | 1984-08-17 | 菱化軽金属工業株式会社 | Hopper device for aluminum electrolyzer |
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