ATE183039T1 - Verfahren zur schmallbandigen frequenz- oder phasenmodulation sender und empfänger zur ausführung des verfahrens - Google Patents

Verfahren zur schmallbandigen frequenz- oder phasenmodulation sender und empfänger zur ausführung des verfahrens

Info

Publication number
ATE183039T1
ATE183039T1 AT94120923T AT94120923T ATE183039T1 AT E183039 T1 ATE183039 T1 AT E183039T1 AT 94120923 T AT94120923 T AT 94120923T AT 94120923 T AT94120923 T AT 94120923T AT E183039 T1 ATE183039 T1 AT E183039T1
Authority
AT
Austria
Prior art keywords
receiver
signal
narrow band
executing
phase modulation
Prior art date
Application number
AT94120923T
Other languages
English (en)
Inventor
Abdullah A Al-Eidan
Original Assignee
Al Eidan Abdullah A
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 Al Eidan Abdullah A filed Critical Al Eidan Abdullah A
Application granted granted Critical
Publication of ATE183039T1 publication Critical patent/ATE183039T1/de

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
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Superheterodyne Receivers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT94120923T 1994-12-30 1994-12-30 Verfahren zur schmallbandigen frequenz- oder phasenmodulation sender und empfänger zur ausführung des verfahrens ATE183039T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94120923A EP0720315B1 (de) 1994-12-30 1994-12-30 Verfahren zur schmallbandigen Frequenz- oder Phasenmodulation Sender und Empfänger zur Ausführung des Verfahrens

Publications (1)

Publication Number Publication Date
ATE183039T1 true ATE183039T1 (de) 1999-08-15

Family

ID=8216578

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94120923T ATE183039T1 (de) 1994-12-30 1994-12-30 Verfahren zur schmallbandigen frequenz- oder phasenmodulation sender und empfänger zur ausführung des verfahrens

Country Status (5)

Country Link
US (1) US6205184B1 (de)
EP (1) EP0720315B1 (de)
AT (1) ATE183039T1 (de)
DE (1) DE69419926T2 (de)
ES (1) ES2136695T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7027505B2 (en) 2001-05-04 2006-04-11 Al-Eidan Abdullah A System and method for bandwidth compression of frequency and phase modulated signals and suppression of the upper and lower sidebands from the transmission medium
US6917787B2 (en) * 2001-10-06 2005-07-12 Devaney, Ii Patrick Owen System and method for superheterodyne frequency multiplication signal expansion to achieve a reduced bandwidth frequency or phase modulation communication channel
US7272368B2 (en) * 2001-10-06 2007-09-18 Patrick Owen Devaney System and method for reduced deviation time domain FM/PM discriminator to achieve a reduced bandwidth frequency or phase modulation communications channels
US10491261B1 (en) 2014-11-06 2019-11-26 Abdullah A. Al-Eidan Multi carrier frequency modulation spread spectrum communication system
CN116232823B (zh) * 2023-01-30 2025-06-24 杭州天智融通科技有限公司 基于多级盲数字接收机联合的幅相调制信号识别方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2230231A (en) * 1936-10-24 1941-02-04 Rca Corp Phase and frequency modulation
US3866122A (en) * 1973-01-02 1975-02-11 Itt FM communication system
US4103239A (en) * 1974-10-01 1978-07-25 U.S. Philips Corporation Compressor for both speech and carrier signals
US4117405A (en) * 1976-11-02 1978-09-26 Louis Martinez Narrow-band radio communication system
JPS583611B2 (ja) * 1978-01-27 1983-01-22 パイオニア株式会社 Ｆｍ受信装置
US4208630A (en) * 1978-10-19 1980-06-17 Altran Electronics, Inc. Narrow band paging or control radio system
JPS58104578A (ja) * 1981-12-16 1983-06-22 Sony Corp テレビジヨン受像機の音声回路
US4581749A (en) * 1984-07-02 1986-04-08 Motorola, Inc. Data frequency modulator with deviation control
DE3506791A1 (de) * 1985-02-22 1986-08-28 Biotronik Meß- und Therapiegeräte GmbH & Co Ingenieurbüro Berlin, 1000 Berlin Herzschrittmacher mit physiologischer steuerung
US4906942A (en) * 1987-12-17 1990-03-06 Mitsubishi Denki Kabushiki Kaisha Frequency demodulator with reversal phenomenon compensation
US4928177A (en) * 1988-04-11 1990-05-22 Cooper Industries, Inc. Two-way data broadcast networks
US4991226A (en) * 1989-06-13 1991-02-05 Bongiorno James W FM detector with deviation manipulation
FI89846C (fi) * 1991-11-29 1993-11-25 Nokia Mobile Phones Ltd En deviationsbegraensare foer en fraon en radiotelefon utsaend signal
US5337024A (en) * 1993-06-22 1994-08-09 Rockwell International Corporation Phase locked loop frequency modulator using fractional division

Also Published As

Publication number Publication date
EP0720315A1 (de) 1996-07-03
ES2136695T3 (es) 1999-12-01
DE69419926D1 (de) 1999-09-09
US6205184B1 (en) 2001-03-20
EP0720315B1 (de) 1999-08-04
DE69419926T2 (de) 2000-03-09

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee