JPH0262186B2 - - Google Patents
Info
- Publication number
- JPH0262186B2 JPH0262186B2 JP4839885A JP4839885A JPH0262186B2 JP H0262186 B2 JPH0262186 B2 JP H0262186B2 JP 4839885 A JP4839885 A JP 4839885A JP 4839885 A JP4839885 A JP 4839885A JP H0262186 B2 JPH0262186 B2 JP H0262186B2
- Authority
- JP
- Japan
- Prior art keywords
- time difference
- correlation function
- correlation
- calculator
- difference meter
- 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.)
- Expired - Lifetime
Links
- 238000005314 correlation function Methods 0.000 claims description 37
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000012935 Averaging Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Software Systems (AREA)
- Data Mining & Analysis (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Computing Systems (AREA)
- Algebra (AREA)
- Computer Hardware Design (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Phase Differences (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60048398A JPS61207973A (ja) | 1985-03-13 | 1985-03-13 | 相関式時間差計 |
EP86103230A EP0194643B1 (en) | 1985-03-13 | 1986-03-11 | Correlation time-difference detector |
DE8686103230T DE3688515T2 (de) | 1985-03-13 | 1986-03-11 | Korrelations-zeitdifferenz-detektor. |
US06/838,719 US4823293A (en) | 1985-03-13 | 1986-03-12 | Correlation time-difference detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60048398A JPS61207973A (ja) | 1985-03-13 | 1985-03-13 | 相関式時間差計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61207973A JPS61207973A (ja) | 1986-09-16 |
JPH0262186B2 true JPH0262186B2 (US07860544-20101228-C00003.png) | 1990-12-25 |
Family
ID=12802193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60048398A Granted JPS61207973A (ja) | 1985-03-13 | 1985-03-13 | 相関式時間差計 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4823293A (US07860544-20101228-C00003.png) |
EP (1) | EP0194643B1 (US07860544-20101228-C00003.png) |
JP (1) | JPS61207973A (US07860544-20101228-C00003.png) |
DE (1) | DE3688515T2 (US07860544-20101228-C00003.png) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5027298A (en) * | 1989-06-29 | 1991-06-25 | Genrad, Inc. | Low-dead-time interval timer |
FR2655439B1 (fr) * | 1989-12-01 | 1992-05-15 | Bertin & Cie | Procede et dispositif de comparaison de deux signaux analogiques variables. |
GB9203911D0 (en) * | 1992-02-24 | 1992-04-08 | Emi Plc Thorn | Alignment corresponding segments of a digital signal and a digital reference signal |
JP3824407B2 (ja) * | 1997-09-29 | 2006-09-20 | 東京エレクトロン株式会社 | プロセスの終点検出方法,終点検出装置及び記録媒体、並びに化学的機械研磨装置 |
ES2143413B1 (es) * | 1998-04-28 | 2000-12-16 | Univ Catalunya Politecnica | Un circuito correlador de 1 bit/2 niveles de alta velocidad con capacidad de autocalibracion de la funcion fringe-wash. |
US6925399B2 (en) * | 2001-03-30 | 2005-08-02 | Verizon Laboratories Inc. | Methods and systems for the estimation of the injection point of foreign signals in a network |
JP4102375B2 (ja) * | 2004-03-25 | 2008-06-18 | 松下電器産業株式会社 | 無線送信装置および無線受信装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818231A (en) * | 1971-07-20 | 1974-06-18 | Westinghouse Electric Corp | N-16 nuclear reactor coolant flow rate measuring system |
US3912915A (en) * | 1973-05-01 | 1975-10-14 | Us Air Force | Doppler data processor with digital computing pulse rate filter |
FR2314538A1 (fr) * | 1975-06-10 | 1977-01-07 | Thomson Csf | Dispositif correlateur et systeme de mesure du retard entre deux signaux comportant un tel dispositif |
DE2952812A1 (en) * | 1978-05-25 | 1980-12-11 | J Jordan | Peak tracking correlator |
EP0026877B1 (de) * | 1979-10-03 | 1983-10-05 | Endress u. Hauser GmbH u.Co. | Verfahren und Anordnung zur Korrelation von zwei Signalen |
US4270180A (en) * | 1979-11-09 | 1981-05-26 | The Bendix Corporation (Electrodynamics Div) | Delay line time compression correlation circuit |
US4644523A (en) * | 1984-03-23 | 1987-02-17 | Sangamo Weston, Inc. | System for improving signal-to-noise ratio in a direct sequence spread spectrum signal receiver |
FR2562259B1 (fr) * | 1984-03-28 | 1987-04-10 | Centre Nat Rech Scient | Procede et dispositif de mesure par correlation, en temps reel, de retards entre des signaux electriques se correspondant |
-
1985
- 1985-03-13 JP JP60048398A patent/JPS61207973A/ja active Granted
-
1986
- 1986-03-11 DE DE8686103230T patent/DE3688515T2/de not_active Expired - Fee Related
- 1986-03-11 EP EP86103230A patent/EP0194643B1/en not_active Expired - Lifetime
- 1986-03-12 US US06/838,719 patent/US4823293A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0194643A3 (en) | 1990-03-21 |
EP0194643B1 (en) | 1993-06-02 |
JPS61207973A (ja) | 1986-09-16 |
US4823293A (en) | 1989-04-18 |
EP0194643A2 (en) | 1986-09-17 |
DE3688515T2 (de) | 1993-09-23 |
DE3688515D1 (de) | 1993-07-08 |
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