BR8400509A - Processo para demodulacao de sinais de portadora manipulados por deslocamento de fase e aparelho para realizar este processo - Google Patents

Processo para demodulacao de sinais de portadora manipulados por deslocamento de fase e aparelho para realizar este processo

Info

Publication number
BR8400509A
BR8400509A BR8400509A BR8400509A BR8400509A BR 8400509 A BR8400509 A BR 8400509A BR 8400509 A BR8400509 A BR 8400509A BR 8400509 A BR8400509 A BR 8400509A BR 8400509 A BR8400509 A BR 8400509A
Authority
BR
Brazil
Prior art keywords
appliance
handled
perform
phase shift
demodulating carrier
Prior art date
Application number
BR8400509A
Other languages
English (en)
Inventor
Theodore Hughes York
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BR8400509A publication Critical patent/BR8400509A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2335—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal
    • H04L27/2337—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal using digital techniques to measure the time between zero-crossings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BR8400509A 1983-02-09 1984-02-07 Processo para demodulacao de sinais de portadora manipulados por deslocamento de fase e aparelho para realizar este processo BR8400509A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/465,232 US4516079A (en) 1983-02-09 1983-02-09 Coherent phase shift keyed demodulator for power line communication systems

Publications (1)

Publication Number Publication Date
BR8400509A true BR8400509A (pt) 1984-09-11

Family

ID=23846968

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8400509A BR8400509A (pt) 1983-02-09 1984-02-07 Processo para demodulacao de sinais de portadora manipulados por deslocamento de fase e aparelho para realizar este processo

Country Status (9)

Country Link
US (1) US4516079A (pt)
EP (1) EP0119008B1 (pt)
JP (1) JPS59156052A (pt)
AR (1) AR240601A1 (pt)
AU (1) AU568326B2 (pt)
BR (1) BR8400509A (pt)
CA (1) CA1214227A (pt)
DE (1) DE3479375D1 (pt)
ZA (1) ZA84505B (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4514697A (en) * 1983-02-09 1985-04-30 Westinghouse Electric Corp. Coherent phase shift keyed demodulator with improved sampling apparatus and method
US4516079A (en) * 1983-02-09 1985-05-07 Westinghouse Electric Corp. Coherent phase shift keyed demodulator for power line communication systems
US4563650A (en) * 1984-01-13 1986-01-07 Westinghouse Electric Corp. Power line communication receiver with dual threshold signal interrogation capability
JPS6170816A (ja) * 1984-09-13 1986-04-11 Futaba Corp 符号再生装置
US4780887A (en) * 1986-08-21 1988-10-25 Nec Corporation Carrier recovery circuitry immune to interburst frequency variations
NO163120C (no) * 1987-05-19 1990-04-04 Sintef Fremgangsmaate ved demodulasjon i digitale kommunikasjonssystemer med flerbane-propagasjon.
FR2615675B1 (fr) * 1987-05-21 1989-06-30 Alcatel Espace Procede de demodulation de signaux modules numeriquement et dispositif de mise en oeuvre d'un tel procede
CA2045338C (en) * 1990-06-26 1995-07-04 Shousei Yoshida Clock recovery circuit with open-loop phase estimator and wideband phase tracking loop
US5297172A (en) * 1991-04-11 1994-03-22 Comsat Corporation Method and apparatus for clock recovery for digitally implemented modem
EP0748480A1 (en) * 1992-06-30 1996-12-18 Electronic Innovators, Inc. Distributed intelligence engineering casualty and damage control management system using an ac power line carrier-current lan
US5376894A (en) * 1992-12-31 1994-12-27 Pacific Communication Sciences, Inc. Phase estimation and synchronization using a PSK demodulator
US5818821A (en) * 1994-12-30 1998-10-06 Intelogis, Inc. Universal lan power line carrier repeater system and method
US6961431B2 (en) * 2001-02-28 2005-11-01 Lockheed Martin Corp. Analog privacy scrambler and scrambling method
US6940396B2 (en) 2003-05-06 2005-09-06 Distribution Control Systems, Inc. Concurrent phase communication in TWACS
US7609784B1 (en) 2004-04-26 2009-10-27 Dgi Creations, Llc Signal decoding method and apparatus with dynamic noise threshold
US7242729B1 (en) 2004-04-26 2007-07-10 Dgi Creations, Llc Signal decoding method and apparatus
CN101834633A (zh) * 2009-03-09 2010-09-15 江苏林洋电子股份有限公司 基于三态脉冲位移相位调制的电力线载波表及通信方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739277A (en) * 1969-06-02 1973-06-12 Hallicrafters Co Digital data transmission system utilizing phase shift keying
US3745250A (en) * 1971-10-19 1973-07-10 C Gerst Method and apparatus for binary data
US3826990A (en) * 1972-01-28 1974-07-30 Org Europ De Rech Spatiales Anti phase-ambiguity for phase-shift keying binary transmission systems
US3815029A (en) * 1973-01-29 1974-06-04 Us Air Force Burst phase shift keyed receiver
CA1115789A (en) * 1977-05-12 1982-01-05 Richard P. Scott Phase shift keyed systems
FR2394218A1 (fr) * 1977-06-10 1979-01-05 Ibm France Recepteur de donnees transmises par modulation binaire par saut de phase entrelacee
US4164036A (en) * 1977-12-07 1979-08-07 Honeywell Inc. Quadrature correlation phase reversal pulse detector
GB1553654A (en) * 1978-02-17 1979-09-26 Marconi Co Ltd Marconi co ltd
US4190802A (en) * 1978-08-17 1980-02-26 Motorola, Inc. Digital demodulator for phase shift keyed signals
US4246653A (en) * 1979-01-08 1981-01-20 Northrop Corporation In-phase quadrature demodulator for CPSK signals
US4246654A (en) * 1979-01-09 1981-01-20 Northrop Corporation Digital coherent phase demodulator
JPS55132164A (en) * 1979-03-30 1980-10-14 Nec Corp Carrier regenerating circuit for psk demodulator
US4311964A (en) * 1979-09-21 1982-01-19 Westinghouse Electric Corp. Coherent phase shift keyed demodulator for power line communication systems
US4298986A (en) * 1979-12-26 1981-11-03 General Electric Company Receiver for phase-shift modulated carrier signals
US4320345A (en) * 1980-04-28 1982-03-16 Sangamo Weston, Inc. Adaptive differential PSK demodulator
US4336500A (en) * 1980-07-14 1982-06-22 Motorola, Inc. MSK Demodulator frequency acquistion apparatus and method
US4516079A (en) * 1983-02-09 1985-05-07 Westinghouse Electric Corp. Coherent phase shift keyed demodulator for power line communication systems

Also Published As

Publication number Publication date
AU568326B2 (en) 1987-12-24
EP0119008A3 (en) 1986-10-15
DE3479375D1 (en) 1989-09-14
EP0119008B1 (en) 1989-08-09
AR240601A1 (es) 1990-05-31
EP0119008A2 (en) 1984-09-19
JPS59156052A (ja) 1984-09-05
ZA84505B (en) 1984-09-26
AU2380784A (en) 1984-08-16
JPH0475698B2 (pt) 1992-12-01
CA1214227A (en) 1986-11-18
US4516079A (en) 1985-05-07

Similar Documents

Publication Publication Date Title
BR8400509A (pt) Processo para demodulacao de sinais de portadora manipulados por deslocamento de fase e aparelho para realizar este processo
BR8305811A (pt) Processo de hidroformilacao
BR8300999A (pt) Processo de coqueificacao retardada
BR8302315A (pt) Processo de hidrocraqueamento
BR8305484A (pt) Processo para a producao de um poliester
BR8404460A (pt) Processo para revestir um substrato
PT80933B (pt) Processo de hidrotratamento de fase unica
BR8700463A (pt) Processo para recuperacao de galio
BR8706275A (pt) Aparelhagem e processo para a transferencia de componentes em tiras de um transportador para um elemento de tambor,rolo de transferencia
BR8504092A (pt) Processo e aparelho acusto-optico para modulacao de fase
BR8404867A (pt) Processo para a preparacao de n-glicidilaminas
BR7901001A (pt) Processo de dissociacao de hidrocarbonetos
BR7902665A (pt) Processo de recuperacao de petroleo
BR8404461A (pt) Processo para modificacao de polimeros
BR7705813A (pt) Processo para a separacao de enzimas
BR8601967A (pt) Processo para controlar aparelho de transmissao
BR8000193A (pt) Processo de purificacao do gipso quimico
BR8406650A (pt) Processo para oxicloracao de etileno
BR8405634A (pt) Metodo para conducao de processo quimico em fase liquida
BR8004580A (pt) Processo de copolimerizacao em bloco
BR8407063A (pt) Processo para a preparacao de uretanas
BR8502718A (pt) Processo para preparacao de 3-cloro-2-fluor-5-(trifluorometil)piridina
BR8005478A (pt) Processo para remover dicromatos de solucoes ricas em cloratos
BR8504444A (pt) Processo de preparacao de poliester
BR8406951A (pt) Processo para a preparacao de cianoidrinas

Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 07/02/99