JPS55500512A - - Google Patents
Info
- Publication number
- JPS55500512A JPS55500512A JP50079179A JP50079179A JPS55500512A JP S55500512 A JPS55500512 A JP S55500512A JP 50079179 A JP50079179 A JP 50079179A JP 50079179 A JP50079179 A JP 50079179A JP S55500512 A JPS55500512 A JP S55500512A
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
- G06G7/1928—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals
- G06G7/1935—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals by converting at least one the input signals into a two level signal, e.g. polarity correlators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
- G01F1/708—Measuring the time taken to traverse a fixed distance
- G01F1/712—Measuring the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2280078 | 1978-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55500512A true JPS55500512A (en) | 1980-08-14 |
Family
ID=10185261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50079179A Pending JPS55500512A (en) | 1978-05-25 | 1979-05-24 |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0019618A1 (en) |
| JP (1) | JPS55500512A (en) |
| CA (1) | CA1114511A (en) |
| DE (1) | DE2952812A1 (en) |
| FR (1) | FR2476351A1 (en) |
| GB (1) | GB2039110B (en) |
| IT (1) | IT7922990A0 (en) |
| WO (1) | WO1979001119A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61207973A (en) * | 1985-03-13 | 1986-09-16 | Mitsubishi Electric Corp | Correlation type time difference meter |
| US4729109A (en) * | 1985-05-29 | 1988-03-01 | University Of Illinois | Method and apparatus for measuring the displacements of particle images for multiple exposure velocimetry |
| DE3633769A1 (en) * | 1986-10-03 | 1988-04-14 | Endress Hauser Gmbh Co | DIGITAL CORRELATOR |
| FI87493C (en) * | 1991-12-23 | 1993-01-11 | Kytoelae Instrumenttitehdas | OVER ANCHORING FOR OVER MAINTENANCE AV STROEMNINGSHASTIGHETEN AV GASER OCH / ELLER STORHETER SOM KAN HAERLEDAS FRAON DENNA |
| GB2327761A (en) * | 1997-07-28 | 1999-02-03 | Pcme Limited | Velocity measurement |
| CA2557380C (en) * | 2005-08-27 | 2012-09-25 | Schlumberger Canada Limited | Time-of-flight stochastic correlation measurements |
| US9222817B2 (en) * | 2013-03-15 | 2015-12-29 | Amphenol Thermometrics, Inc. | Systems and methods for hybrid flow sensing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982114A (en) * | 1961-08-28 | 1976-09-21 | Trw Inc. | Signal processing system |
| FR2041579A5 (en) * | 1969-04-30 | 1971-01-29 | Thomson Csf | |
| US3660647A (en) * | 1969-12-24 | 1972-05-02 | Us Navy | Automatic signal delay tracking system |
| GB1398381A (en) * | 1971-06-10 | 1975-06-18 | Kent Instruments Ltd | Correlators |
| DE2133942C3 (en) * | 1971-07-02 | 1973-11-29 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Arrangement for the non-contact measurement of the speed of an object |
| DE2705159A1 (en) * | 1977-02-04 | 1978-08-17 | Licentia Gmbh | Finding correlation function maximum - is by auto-correlator balancing determination of band central frequency using delay circuits |
-
1979
- 1979-05-24 GB GB8002114A patent/GB2039110B/en not_active Expired
- 1979-05-24 JP JP50079179A patent/JPS55500512A/ja active Pending
- 1979-05-24 DE DE792952812A patent/DE2952812A1/en active Pending
- 1979-05-24 WO PCT/GB1979/000076 patent/WO1979001119A1/en unknown
- 1979-05-24 CA CA328,224A patent/CA1114511A/en not_active Expired
- 1979-05-25 IT IT7922990A patent/IT7922990A0/en unknown
-
1980
- 1980-01-03 EP EP79900522A patent/EP0019618A1/en not_active Withdrawn
- 1980-12-05 FR FR8026167A patent/FR2476351A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT7922990A0 (en) | 1979-05-25 |
| DE2952812A1 (en) | 1980-12-11 |
| GB2039110A (en) | 1980-07-30 |
| EP0019618A1 (en) | 1980-12-10 |
| WO1979001119A1 (en) | 1979-12-27 |
| CA1114511A (en) | 1981-12-15 |
| FR2476351A1 (en) | 1981-08-21 |
| GB2039110B (en) | 1982-11-17 |