DE3001499A1 - Verfahren und schaltungsanordnung fuer analyse periodischer wellenformen - Google Patents
Verfahren und schaltungsanordnung fuer analyse periodischer wellenformenInfo
- Publication number
- DE3001499A1 DE3001499A1 DE19803001499 DE3001499A DE3001499A1 DE 3001499 A1 DE3001499 A1 DE 3001499A1 DE 19803001499 DE19803001499 DE 19803001499 DE 3001499 A DE3001499 A DE 3001499A DE 3001499 A1 DE3001499 A1 DE 3001499A1
- Authority
- DE
- Germany
- Prior art keywords
- waveform
- counter
- pulses
- pattern
- periods
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Testing Relating To Insulation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7903358A FR2448722A1 (fr) | 1979-02-09 | 1979-02-09 | Procedes et appareils pour l'analyse de formes d'ondes periodiques |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3001499A1 true DE3001499A1 (de) | 1980-08-28 |
DE3001499C2 DE3001499C2 (US06312121-20011106-C00033.png) | 1992-02-20 |
Family
ID=9221799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19803001499 Granted DE3001499A1 (de) | 1979-02-09 | 1980-01-17 | Verfahren und schaltungsanordnung fuer analyse periodischer wellenformen |
Country Status (5)
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1171334B (it) * | 1981-06-25 | 1987-06-10 | Selenia Ind Elettroniche | Dispositivo per effettuare la stima della frequenza di scansione del segnale di un radar d'inseguimento a scansione conica |
JPS5955523A (ja) * | 1982-09-24 | 1984-03-30 | Advantest Corp | デジタルスペクトルアナライザ用信号発生器 |
DE3239108A1 (de) * | 1982-10-22 | 1984-04-26 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Positionsmessverfahren und einrichtungen zur durchfuehrung des verfahrens |
US4704690A (en) * | 1983-07-25 | 1987-11-03 | Cain Encoder Co. | Angular position detector |
JPS6085373A (ja) * | 1983-10-14 | 1985-05-14 | Nissin Electric Co Ltd | 調波分析器 |
US4730257A (en) * | 1985-01-25 | 1988-03-08 | Szeto Lai Wan M | Apparatus for analyzing signals, to obtain parameters of constituents |
US4901244A (en) * | 1985-01-25 | 1990-02-13 | Szeto Lai Wan M | Apparatus for, and method of, analyzing signals |
US4800507A (en) * | 1986-12-15 | 1989-01-24 | Brown Christopher R | Proving safe operation |
US4928251A (en) * | 1987-04-27 | 1990-05-22 | Hewlett-Packard Company | Method and apparatus for waveform reconstruction for sampled data system |
GB2207770B (en) * | 1987-08-06 | 1991-09-11 | Nat Research And Dev Corp The | Apparatus and methods for spectral analysis of electrical materials,components and devices |
US4827119A (en) * | 1988-01-28 | 1989-05-02 | Eastman Kodak Company | Illuminant discriminator |
FR2634613B1 (fr) * | 1988-07-22 | 1995-07-21 | Thomson Lgt | Procede de mesure d'un palier dans un signal bruite, et appareil de mesure automatique pour la mise en oeuvre de ce procede |
US5043909A (en) * | 1988-12-30 | 1991-08-27 | Hughes Aircraft Company | Method and device for excess modulation detection for signal analysis |
US5037198A (en) * | 1990-07-16 | 1991-08-06 | Eastman Kodak Company | Illuminant discriminator with improved boundary conditions |
US5673196A (en) * | 1995-11-30 | 1997-09-30 | General Electric Company | Vector electricity meters and associated vector electricity metering methods |
US5754440A (en) * | 1996-02-28 | 1998-05-19 | Eaton Corporation | Apparatus for harmonic analysis of waveforms in an AC electrical system |
DE19845744A1 (de) * | 1998-10-05 | 2000-04-20 | Gerhard Schaumburg | Frequenzganganalysator |
DE19938723A1 (de) * | 1999-08-16 | 2001-02-22 | Busch Dieter & Co Prueftech | Verfahren zur Signalanalyse |
GB0027556D0 (en) * | 2000-11-10 | 2000-12-27 | Secretary Trade Ind Brit | Testing of electrical apparatus |
DE10243564B4 (de) * | 2002-09-19 | 2006-11-30 | Siemens Ag | Schaltungsanordnung zur Mittelwertbildung |
US20050195289A1 (en) * | 2003-09-12 | 2005-09-08 | Jacobs William S. | Solid-state area image sensor readout methods for illuminat discrimination and automatic white balance in digital cameras |
US10146281B2 (en) | 2010-08-31 | 2018-12-04 | Delta Electronics Thailand Public Company Limited | Method and apparatus for load identification |
US9531299B2 (en) | 2011-12-28 | 2016-12-27 | Det International Holding Limited | Resonant single stage DC-AC converter with capacitors forming a half-bridge |
US20130314188A1 (en) | 2012-05-04 | 2013-11-28 | Ionel Jitaru | Magnetic Structure for Large Air Gap |
US10553351B2 (en) | 2012-05-04 | 2020-02-04 | Delta Electronics (Thailand) Public Co., Ltd. | Multiple cells magnetic structure for wireless power |
US9196417B2 (en) | 2012-05-04 | 2015-11-24 | Det International Holding Limited | Magnetic configuration for high efficiency power processing |
US9494631B2 (en) * | 2012-05-04 | 2016-11-15 | Det International Holding Limited | Intelligent current analysis for resonant converters |
US9530556B2 (en) | 2012-05-04 | 2016-12-27 | Det International Holding Limited | Multiple resonant cells for wireless power mats |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2713021A1 (de) * | 1976-03-26 | 1977-10-06 | Norland Orp | Mess- und analysegeraet fuer wellenformen |
GB1540160A (en) * | 1977-12-06 | 1979-02-07 | Reyrolle Parsons Ltd | Harmonic waveform analysers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2137172A1 (de) * | 1971-07-21 | 1973-02-01 | Eberhard Dipl Ing Nabel | Harmonische analyse (fourieranalyse) von elektrischen signalen durch mitverwendung einer abtast- sampling- technik |
US3778606A (en) * | 1972-02-23 | 1973-12-11 | Sanders Associates Inc | Continuously updating fourier coefficients every sampling interval |
JPS5142573A (US06312121-20011106-C00033.png) * | 1974-10-09 | 1976-04-10 | Hitachi Ltd |
-
1979
- 1979-02-09 FR FR7903358A patent/FR2448722A1/fr active Granted
-
1980
- 1980-01-17 DE DE19803001499 patent/DE3001499A1/de active Granted
- 1980-01-31 GB GB8003340A patent/GB2043269B/en not_active Expired
- 1980-02-06 US US06/119,070 patent/US4301404A/en not_active Expired - Lifetime
- 1980-02-08 JP JP1468880A patent/JPS55129761A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2713021A1 (de) * | 1976-03-26 | 1977-10-06 | Norland Orp | Mess- und analysegeraet fuer wellenformen |
GB1540160A (en) * | 1977-12-06 | 1979-02-07 | Reyrolle Parsons Ltd | Harmonic waveform analysers |
Non-Patent Citations (1)
Title |
---|
PERLMAN, Barry S., AUERBACH, Victor H.: A Phase-Locking Technique for Estimating the Ensemble Average of Time-Series Data. In: IEEE Trans. on Acoustics, Speech, and Signal Processing 1977, Vol. ASSP-25, Nr. 4, S. 295-299 * |
Also Published As
Publication number | Publication date |
---|---|
FR2448722A1 (fr) | 1980-09-05 |
JPS55129761A (en) | 1980-10-07 |
GB2043269B (en) | 1983-05-05 |
FR2448722B1 (US06312121-20011106-C00033.png) | 1983-01-28 |
DE3001499C2 (US06312121-20011106-C00033.png) | 1992-02-20 |
GB2043269A (en) | 1980-10-01 |
US4301404A (en) | 1981-11-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: SCHLUMBERGER ELECTRONICS (UK) LTD., FARNBOROUGH, H |
|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SOLARTRON GROUP LTD., FARNBOROUGH, HAMPSHIRE, GB |