FR2550675A1 - Circuit discriminateur fm et sa methode de fonctionnement - Google Patents

Circuit discriminateur fm et sa methode de fonctionnement Download PDF

Info

Publication number
FR2550675A1
FR2550675A1 FR8411360A FR8411360A FR2550675A1 FR 2550675 A1 FR2550675 A1 FR 2550675A1 FR 8411360 A FR8411360 A FR 8411360A FR 8411360 A FR8411360 A FR 8411360A FR 2550675 A1 FR2550675 A1 FR 2550675A1
Authority
FR
France
Prior art keywords
signal
discriminator circuit
delay
carrier frequency
autocorrelation
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.)
Pending
Application number
FR8411360A
Other languages
English (en)
French (fr)
Inventor
John James Dougherty
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of FR2550675A1 publication Critical patent/FR2550675A1/fr
Pending legal-status Critical Current

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
    • H03D3/02—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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stereo-Broadcasting Methods (AREA)
FR8411360A 1983-07-25 1984-07-18 Circuit discriminateur fm et sa methode de fonctionnement Pending FR2550675A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51681383A 1983-07-25 1983-07-25

Publications (1)

Publication Number Publication Date
FR2550675A1 true FR2550675A1 (fr) 1985-02-15

Family

ID=24057194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8411360A Pending FR2550675A1 (fr) 1983-07-25 1984-07-18 Circuit discriminateur fm et sa methode de fonctionnement

Country Status (5)

Country Link
JP (1) JPS6068703A (de)
DE (1) DE3425782A1 (de)
FR (1) FR2550675A1 (de)
GB (1) GB2144004A (de)
IT (1) IT1176437B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0770923B2 (ja) * 1985-04-25 1995-07-31 松下電器産業株式会社 同期検波装置
JP2798526B2 (ja) * 1991-06-20 1998-09-17 富士通株式会社 周波数弁別器
FR2738421B1 (fr) * 1995-08-30 1997-10-17 Suisse Electronique Microtech Dispositif demodulateur d'un signal module en frequence
JP3754403B2 (ja) 2002-07-26 2006-03-15 株式会社東芝 電子透かし検出方法及び装置
JP4519678B2 (ja) 2005-02-21 2010-08-04 株式会社東芝 電子透かし検出方法及び装置、電子透かし埋め込み方法及び装置
JP4118279B2 (ja) 2005-03-11 2008-07-16 株式会社東芝 電子透かし検出装置及びその方法
JP4413858B2 (ja) 2005-12-13 2010-02-10 株式会社東芝 乱数検定回路
DE102006001868B4 (de) * 2006-01-13 2012-03-01 Austriamicrosystems Ag Schaltungsanordnung und Verfahren zur Ansteuerung einer elektrischen Last und eine Energieversorgungseinrichtung
US7768216B2 (en) 2006-06-28 2010-08-03 Austriamicrosystems Ag Control circuit and method for controlling light emitting diodes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624523A (en) * 1969-09-19 1971-11-30 Hughes Aircraft Co Digital frequency discriminator
DE2050706A1 (de) * 1970-10-15 1972-04-20 Siemens Ag Schaltungsanordnung zur Demodulation von frequenz modulierten Signalen nach dem Prinzip des Polaritätskorrelators
FR2237357A1 (de) * 1973-07-09 1975-02-07 Singer Co
GB1530151A (en) * 1976-01-12 1978-10-25 Gen Electric Co Ltd Frequency discriminators

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3392337A (en) * 1965-02-09 1968-07-09 Continental Electronics Mfg Wide band frequency discriminator employing a constant delay
GB1368419A (en) * 1973-06-11 1974-09-25 Singer Co Crystal controlled frequency discriminator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624523A (en) * 1969-09-19 1971-11-30 Hughes Aircraft Co Digital frequency discriminator
DE2050706A1 (de) * 1970-10-15 1972-04-20 Siemens Ag Schaltungsanordnung zur Demodulation von frequenz modulierten Signalen nach dem Prinzip des Polaritätskorrelators
FR2237357A1 (de) * 1973-07-09 1975-02-07 Singer Co
GB1530151A (en) * 1976-01-12 1978-10-25 Gen Electric Co Ltd Frequency discriminators

Also Published As

Publication number Publication date
IT1176437B (it) 1987-08-18
IT8421964A0 (it) 1984-07-19
DE3425782A1 (de) 1985-02-14
GB8417549D0 (en) 1984-08-15
GB2144004A (en) 1985-02-20
JPS6068703A (ja) 1985-04-19

Similar Documents

Publication Publication Date Title
EP0036084B1 (de) Verfahren und Vorrichtung zum Steuern der Beginneinstellung des Taktgebers eines Empfängers für synchrone Daten
FR2729023A1 (fr) Procede et numeriseur de signaux a bande de frequence divisee
FR2550675A1 (fr) Circuit discriminateur fm et sa methode de fonctionnement
FR2525054A1 (fr) Emetteur concu pour l'emission de signaux modules en frequence
EP0433198B1 (de) Amplitudenmodulation-Übertragungssystem mit unterdrücktem Träger, das die Polarität des übertragenen Signals erhält
CN109975771B (zh) 基于信号三阶相位差分的宽带数字信道化方法
EP0012884B1 (de) Verfahren und Vorrichtung zur Auffindung einer Pseudo-Zufallsfolge zweier Symbole in einem Datenempfänger, welcher eine Doppelzeitenbandmodulation mit Quadraturträgern verwendet
US3387220A (en) Apparatus and method for synchronously demodulating frequency modulated differentially coherent duobinary signals
US3991377A (en) Differential phase shift keying demodulator
FR2503496A1 (fr) Circuit detecteur de bruit et recepteur de signal pour un recepteur a modulation de frequence
CA1119677A (fr) Dispositif de recuperation de rythme
US10320365B2 (en) Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals
CN110138699A (zh) 一种基于复数域滤波器的基带2fsk信号非相干解调方法
EP3116182A1 (de) Quadratur-demodulator für rfid-empfänger mit sehr hohem durchsatz
FR3093257A1 (fr) Méthode et dispositif de modulation par séquences de zadoff-chu
US11025230B2 (en) Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals
US9941862B2 (en) Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals
US12047049B2 (en) Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals
FR2659510A1 (fr) Dispositif de reception d'un spectre disperse.
CN103281472B (zh) 一种传真ANSam信号的检测装置及其检测方法
CN110168967A (zh) 一种光接收机及延时估计方法
FR2675001A1 (fr) Procede et dispositif de modulation numerique a composantes en phase et en quadrature et installation de transmission en comportant application.
Pandey et al. Orthogonal phase functions for full response noncoherent CPM systems
FR3038798A1 (fr) Recepteur rfid a tres haut debit
Pujara et al. Chirp based multiple access technique using fractional fourier transform