FR2550030B1 - Procede et dispositif pour la demodulation de la modulation de frequence - Google Patents
Procede et dispositif pour la demodulation de la modulation de frequenceInfo
- Publication number
- FR2550030B1 FR2550030B1 FR8412001A FR8412001A FR2550030B1 FR 2550030 B1 FR2550030 B1 FR 2550030B1 FR 8412001 A FR8412001 A FR 8412001A FR 8412001 A FR8412001 A FR 8412001A FR 2550030 B1 FR2550030 B1 FR 2550030B1
- Authority
- FR
- France
- Prior art keywords
- frequency modulation
- demodulating frequency
- demodulating
- modulation
- frequency
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/005—Analog to digital conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/006—Signal sampling
- H03D2200/0062—Computation of input samples, e.g. successive samples
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stereo-Broadcasting Methods (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/518,806 US4547737A (en) | 1983-07-29 | 1983-07-29 | Demodulator of sampled data FM signals from sets of four successive samples |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2550030A1 FR2550030A1 (fr) | 1985-02-01 |
FR2550030B1 true FR2550030B1 (fr) | 1989-11-24 |
Family
ID=24065582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8412001A Expired FR2550030B1 (fr) | 1983-07-29 | 1984-07-27 | Procede et dispositif pour la demodulation de la modulation de frequence |
Country Status (6)
Country | Link |
---|---|
US (1) | US4547737A (fr) |
JP (1) | JPH0736491B2 (fr) |
DE (1) | DE3427851C2 (fr) |
FR (1) | FR2550030B1 (fr) |
GB (1) | GB2144288B (fr) |
HK (1) | HK60091A (fr) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0192788B1 (fr) * | 1985-02-23 | 1988-07-27 | Deutsche ITT Industries GmbH | Circuit partiel intégré et numérique de démodulation de fréquence |
FR2583938A1 (fr) * | 1985-06-21 | 1986-12-26 | Labo Electronique Physique | Filtre numerique de quadrature et demodulateur de signal numerique module en frequence comprenant un tel filtre |
JPS6311570A (ja) * | 1985-12-16 | 1988-01-19 | 住友金属工業株式会社 | 炭素繊維強化炭素材の製造方法 |
US4747140A (en) * | 1986-12-24 | 1988-05-24 | Rca Corporation | Low distortion filters for separating frequency or phase modulated signals from composite signals |
GB8704871D0 (en) * | 1987-02-27 | 1988-04-27 | British Aerospace | Digital signal demodulation |
JPH01151307A (ja) * | 1987-12-08 | 1989-06-14 | Toshiba Corp | デジタルfm復調装置 |
US5027352A (en) * | 1989-01-05 | 1991-06-25 | Motorola, Inc. | Receiver frequency offset bias circuit for TDM radios |
US4910469A (en) * | 1989-05-02 | 1990-03-20 | Rca Licensing Corporation | Demodulator for sampled data FM signals |
JP2581306B2 (ja) * | 1990-11-24 | 1997-02-12 | 日本電気株式会社 | ディジタル方式直交位相検波回路 |
US5129672A (en) * | 1991-03-11 | 1992-07-14 | Nhk Spring Co., Ltd. | Suspension system for a vehicle |
JPH04336056A (ja) * | 1991-05-10 | 1992-11-24 | Matsushita Electric Ind Co Ltd | 超音波ドプラ映像装置 |
US5206601A (en) * | 1992-04-29 | 1993-04-27 | Elanix Inc. | Order statistic signal processor for estimating values of signal parameters and demodulating amplitude-, phase-, and frequency-modulated signals |
DE4227858A1 (de) * | 1992-08-22 | 1994-02-24 | Sel Alcatel Ag | Empfänger zur Messung der Frequenz von einem oder mehreren simultan empfangenen pulsförmigen Signalen |
JP2862450B2 (ja) * | 1992-12-26 | 1999-03-03 | キヤノン株式会社 | 画像形成装置 |
US5448202A (en) * | 1993-07-14 | 1995-09-05 | Seiko Communications Holding N.V. | Sigma-delta FM demodulator |
US5615411A (en) * | 1994-04-22 | 1997-03-25 | Rockwell International | Method and apparatus for composite signal separation and FM demodulation |
US5430770A (en) * | 1994-04-22 | 1995-07-04 | Rockwell International Corp. | Method and apparatus for composite signal separation and PSK/AM/FM demodulation |
JP2850942B2 (ja) * | 1994-07-13 | 1999-01-27 | 日本電気株式会社 | 復調器 |
DE19727581A1 (de) * | 1997-06-28 | 1999-01-07 | Bosch Gmbh Robert | Digitaler FM-Demodulator |
US6031418A (en) * | 1998-11-19 | 2000-02-29 | Lockheed Martin Corporation | Method and apparatus for demodulating digital frequency modulation (FM) signals |
US6456950B1 (en) * | 1999-05-19 | 2002-09-24 | International Business Machines Corporation | Method and apparatus for estimating and digitizing instantaneous frequency and phase of bandpass signals |
JP2000341348A (ja) * | 1999-05-31 | 2000-12-08 | Matsushita Electric Ind Co Ltd | Fm信号の瞬間周波数を測定する方法と装置 |
DE10059775C2 (de) * | 2000-12-01 | 2003-11-27 | Hahn Schickard Ges | Verfahren und Vorrichtung zur Verarbeitung von analogen Ausgangssignalen von kapazitiven Sensoren |
US7068739B1 (en) * | 2002-03-29 | 2006-06-27 | Cypress Semiconductor Corp. | Method and system for providing a binary demodulator |
ATE306745T1 (de) * | 2003-03-10 | 2005-10-15 | Suisse Electronique Microtech | Elektrische schaltung, verfahren und vorrichtung zur demodulation eines intensitätsmodulierten signals |
JP6235224B2 (ja) * | 2013-03-29 | 2017-11-22 | 株式会社ダイヘン | 周波数情報検出装置 |
KR101817544B1 (ko) * | 2015-12-30 | 2018-01-11 | 어보브반도체 주식회사 | 개선된 반송파 주파수 오프셋 보상을 사용하는 블루투스 수신 방법 및 장치 |
US10491428B2 (en) | 2018-04-27 | 2019-11-26 | Hewlett Packard Enterprise Development Lp | Current supply for an opto-electronic device |
US10484089B1 (en) * | 2018-04-27 | 2019-11-19 | Hewlett Packard Enterprise Development Lp | Driver assisted by charge sharing |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3135917A (en) * | 1961-09-11 | 1964-06-02 | Sanders Associates Inc | Frequency sensitive wave analyzer including frequency sensing phase shifting means |
US3470478A (en) * | 1964-08-21 | 1969-09-30 | Robertshaw Controls Co | Fsk and psk wave receiver |
FR2422287A1 (fr) * | 1978-04-06 | 1979-11-02 | Materiel Telephonique | Procede et dispositif de demodulation d'un signal module en phase differentielle |
US4286223A (en) * | 1978-05-15 | 1981-08-25 | E-Systems, Inc. | Wideband digital frequency discriminator and phase and frequency detector |
US4224575A (en) * | 1978-11-29 | 1980-09-23 | E-Systems, Inc. | Phase/frequency controlled phase shift keyed signal carrier reconstruction circuit |
US4344039A (en) * | 1979-03-13 | 1982-08-10 | Sanyo Electric Co., Ltd. | Demodulating circuit for self-clocking-information |
FR2469824A1 (fr) * | 1979-11-14 | 1981-05-22 | Thomson Csf | Procede de demodulation d'un signal module en frequence et demodulateurs mettant en oeuvre ce procede |
FR2479629B1 (fr) * | 1980-04-01 | 1985-11-08 | Thomson Csf | Procede de demodulation d'un signal module en amplitude, demodulateur mettant en oeuvre ce procede et systeme de television comportant un tel dispositif |
JPS56140705A (en) * | 1980-04-04 | 1981-11-04 | Nippon Telegr & Teleph Corp <Ntt> | Fm demodulator |
US4338579A (en) * | 1980-07-30 | 1982-07-06 | Communications Satelite Corp. | Frequency shift offset quadrature modulation and demodulation |
FR2488755A2 (fr) * | 1980-08-13 | 1982-02-19 | Thomson Csf | Procede de demodulation d'un signal module en frequence et demodulateurs mettant en oeuvre ce procede |
DE3030853A1 (de) * | 1980-08-14 | 1982-03-11 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und schaltungsanordnung zum demodulieren zeitdiskreter frequenzmodulierter signale |
GB2082857A (en) * | 1980-08-27 | 1982-03-10 | Philips Electronic Associated | Determining the frequency of an alternating signal |
US4345211A (en) * | 1980-09-15 | 1982-08-17 | Rockwell International Corporation | Digital phaselock demodulator |
US4368434A (en) * | 1980-09-18 | 1983-01-11 | Codex Corporation | Programmable digital detector for the demodulation of angle modulated electrical signals |
JPS57133362A (en) * | 1981-02-10 | 1982-08-18 | Mitsubishi Electric Corp | Frequency detector |
FR2502423A1 (fr) * | 1981-03-17 | 1982-09-24 | Thomson Brandt | Demodulateur numerique de signaux et systeme de television comportant un tel demodulateur |
FR2508739B1 (fr) * | 1981-06-24 | 1986-01-03 | Labo Electronique Physique | Circuit numerique de demodulation d'un signal module en frequence, application de ce circuit a la realisation d'un etage de demodulation du signal de chrominance d'un recepteur de television, et recepteur de television equipe d'un tel etage |
DE3124963A1 (de) * | 1981-06-25 | 1983-01-20 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Anordnung zur demodulation eines frequenzmodulierten eingangssignals |
DE3137843A1 (de) * | 1981-09-23 | 1983-03-31 | Robert Bosch Gmbh, 7000 Stuttgart | Filter- und demodulationsschaltung |
DE3138464A1 (de) * | 1981-09-26 | 1983-04-14 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur digitalen demodulation frequenzmodulierter signale |
DE3145919A1 (de) * | 1981-11-19 | 1983-05-26 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und anordnung zum demodulieren zeitdiskreter frequenzmodulierter signale |
-
1983
- 1983-07-29 US US06/518,806 patent/US4547737A/en not_active Expired - Lifetime
-
1984
- 1984-07-26 GB GB08419088A patent/GB2144288B/en not_active Expired
- 1984-07-27 JP JP59158549A patent/JPH0736491B2/ja not_active Expired - Lifetime
- 1984-07-27 DE DE3427851A patent/DE3427851C2/de not_active Expired - Lifetime
- 1984-07-27 FR FR8412001A patent/FR2550030B1/fr not_active Expired
-
1991
- 1991-08-01 HK HK600/91A patent/HK60091A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3427851C2 (de) | 1995-12-07 |
FR2550030A1 (fr) | 1985-02-01 |
GB2144288A (en) | 1985-02-27 |
JPS6052103A (ja) | 1985-03-25 |
US4547737A (en) | 1985-10-15 |
HK60091A (en) | 1991-08-09 |
DE3427851A1 (de) | 1985-02-14 |
JPH0736491B2 (ja) | 1995-04-19 |
GB8419088D0 (en) | 1984-08-30 |
GB2144288B (en) | 1986-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2550030B1 (fr) | Procede et dispositif pour la demodulation de la modulation de frequence | |
FR2573589B1 (fr) | Procede et dispositif pour la demodulation de signaux modules a haute frequence, par l'intermediaire de filtres numeriques et de demodulateurs numeriques, ainsi que l'utilisation du procede dans un recepteur telecommande | |
FR2550987B1 (fr) | Procede et dispositif pour decouper des etiquettes de formes variees | |
DE69126071D1 (de) | Verfahren und Einrichtung zur Demodulation von digitalem Modulationssignal | |
EP0144449A4 (fr) | Procede et appareil de modulation de donnees numeriques et de demodulation. | |
PT78815B (fr) | Dispositif et procede de refroidissement de feuilles | |
BE876240A (fr) | Procede et dispositif pour diminuer l'amplitude de composantes d'interference dans un signal a modulation de frequence | |
IL77337A (en) | Apparatus and method for demodulating signals having continuous phase or frequency modulation | |
FR2527874B1 (fr) | Procede et dispositif de maintien de la synchronisation de trame dans un systeme de transmission en modulation d'amplitude en quadrature | |
PT67986A (fr) | Dispositif et procede pour la filtration discontinue de suspensions. | |
FR2596877B1 (fr) | Procede et dispositif de modulation acousto-optique multifrequences | |
GB2151093B (en) | Frequency modulation detection apparatus | |
FR2552282B1 (fr) | Procede et dispositif de demodulation coherente de porteuse a modulation numerique | |
FR2557745B1 (fr) | Demodulateur synchrone pour signaux modules en amplitude | |
FR2552228B1 (fr) | Procede et dispositif pour la transmission de signaux | |
FR2547603B1 (fr) | Dispositif et procede pour raccorder les bords de deux bandes | |
DE3778249D1 (de) | Funkpeilgeraet und -verfahren mit dopplerfrequenzmodulation. | |
EP0231929A3 (en) | Phase shift keying signal demodulation method and apparatus | |
FR2549878B1 (fr) | Dispositif et procede pour l'amenagement de combles | |
FR2725032B1 (fr) | Procede et dispositif de contre-mesure remorque pour aeronef | |
FR2555038B1 (fr) | Procede et dispositif pour le lavage de chaussures | |
FR2544931B1 (fr) | Discriminateur de frequence | |
FR2534087B1 (fr) | Procede et dispositif de demodulation de frequence | |
FR2558479B1 (fr) | Procede et dispositif pour le collage de substrats | |
FR2492188B1 (fr) | Circuit de demodulation de signaux modules en frequence |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |