NO771334L - DEVICE FOR DETECTING AND DETERMINING AN INPUT SIGNAL. - Google Patents
DEVICE FOR DETECTING AND DETERMINING AN INPUT SIGNAL.Info
- Publication number
- NO771334L NO771334L NO771334A NO771334A NO771334L NO 771334 L NO771334 L NO 771334L NO 771334 A NO771334 A NO 771334A NO 771334 A NO771334 A NO 771334A NO 771334 L NO771334 L NO 771334L
- Authority
- NO
- Norway
- Prior art keywords
- detecting
- determining
- input signal
- input
- signal
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/15—Correlation function computation including computation of convolution operations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computational Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Remote Sensing (AREA)
- Algebra (AREA)
- Computing Systems (AREA)
- Radar, Positioning & Navigation (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/678,016 US4038540A (en) | 1976-04-19 | 1976-04-19 | Quadrature correlation pulse detector |
US05/681,103 US4071821A (en) | 1976-04-28 | 1976-04-28 | Quadrature correlation phase determining apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
NO771334L true NO771334L (en) | 1977-10-20 |
NO147931B NO147931B (en) | 1983-03-28 |
NO147931C NO147931C (en) | 1983-07-06 |
Family
ID=27101936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO771334A NO147931C (en) | 1976-04-19 | 1977-04-18 | DEVICE FOR MONITORING AN INPUT SIGNAL. |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2349241A1 (en) |
GB (1) | GB1534657A (en) |
NO (1) | NO147931C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496297A1 (en) * | 1980-12-12 | 1982-06-18 | Thomson Csf | DEVICE FOR CALCULATING THE PSEUDO-VARIANCE OF INSTANTANEOUS PERIODS OF AN ALTERNATIVE SIGNAL |
US5995907A (en) * | 1998-02-05 | 1999-11-30 | Geoquest | Seismic signal processing method and apparatus for generating time slice or horizon maps in response to seismic traces and quadrature traces to determine geologic features |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI53904C (en) * | 1972-03-17 | 1978-08-10 | Nokia Oy Ab | FRAMEWORK FOR DEMODULARIZATION AV EN DIFFERENTIAL FASMODULERAD SIGNAL |
US3778822A (en) * | 1972-04-27 | 1973-12-11 | Gen Electric | Sum-rank normalized detection apparatus |
FR2184513B1 (en) * | 1972-05-19 | 1978-03-03 | Thomson Csf | |
US3925732A (en) * | 1974-01-14 | 1975-12-09 | Furuno Electric Co | Signal detecting device |
-
1977
- 1977-04-14 GB GB15457/77A patent/GB1534657A/en not_active Expired
- 1977-04-18 NO NO771334A patent/NO147931C/en unknown
- 1977-04-18 FR FR7711623A patent/FR2349241A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2349241B1 (en) | 1983-10-14 |
NO147931C (en) | 1983-07-06 |
FR2349241A1 (en) | 1977-11-18 |
NO147931B (en) | 1983-03-28 |
GB1534657A (en) | 1978-12-06 |
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