DE3067345D1 - Apparatus for generating constant-envelope, angle-modulated signals - Google Patents

Apparatus for generating constant-envelope, angle-modulated signals

Info

Publication number
DE3067345D1
DE3067345D1 DE8080302653T DE3067345T DE3067345D1 DE 3067345 D1 DE3067345 D1 DE 3067345D1 DE 8080302653 T DE8080302653 T DE 8080302653T DE 3067345 T DE3067345 T DE 3067345T DE 3067345 D1 DE3067345 D1 DE 3067345D1
Authority
DE
Germany
Prior art keywords
envelope
angle
modulated signals
generating constant
constant
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
Application number
DE8080302653T
Other languages
English (en)
Inventor
Richard Larosa
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine 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 Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of DE3067345D1 publication Critical patent/DE3067345D1/de
Expired legal-status Critical Current

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
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE8080302653T 1979-09-19 1980-08-04 Apparatus for generating constant-envelope, angle-modulated signals Expired DE3067345D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/076,712 US4311971A (en) 1979-09-19 1979-09-19 Apparatus for generating constant-envelope, angle-modulated pulse signals

Publications (1)

Publication Number Publication Date
DE3067345D1 true DE3067345D1 (en) 1984-05-10

Family

ID=22133744

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080302653T Expired DE3067345D1 (en) 1979-09-19 1980-08-04 Apparatus for generating constant-envelope, angle-modulated signals

Country Status (6)

Country Link
US (1) US4311971A (de)
EP (1) EP0026035B1 (de)
JP (1) JPS5654147A (de)
AU (1) AU528175B2 (de)
CA (1) CA1140635A (de)
DE (1) DE3067345D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485358A (en) * 1981-09-28 1984-11-27 E-Systems, Inc. Method and apparatus for pulse angle modulation
DE3466336D1 (en) * 1983-03-25 1987-10-22 Thomson Csf Phase-controlled angular modulation modem for binary data signals
FR2544930B1 (fr) * 1983-04-20 1985-06-14 Thomson Csf Modulateur de signaux porteurs d'informations binaires modules angulairement a phase controlee
US4682344A (en) * 1985-07-30 1987-07-21 Amp Incorporated Rf fsk transmitter
US4974085A (en) * 1989-05-02 1990-11-27 Bases Burke Institute, Inc. Television signal substitution
GB9102096D0 (en) * 1991-01-31 1991-07-10 Marconi Gec Ltd Communications apparatus
ES2056740B1 (es) * 1993-02-22 1997-08-01 Alcatel Standard Electrica Circuito analogico para realizar modulaciones vectoriales.
IT1270935B (it) * 1993-05-12 1997-05-16 Sixtel Spa Dispositivo di comunicazione per reti informatiche, particolarmente del tipo cordless
US5986382A (en) * 1997-08-18 1999-11-16 X-Cyte, Inc. Surface acoustic wave transponder configuration
FR2954632B1 (fr) * 2009-12-23 2012-05-04 Thales Sa Dispositif de detection de signaux impulsionnels comprenant une fonction de detection d'emmelement d'impulsions.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1172974A (en) * 1965-11-23 1969-12-03 Plessey Co Ltd Improvements in or relating to Modulation Systems
GB1304188A (de) * 1969-12-09 1973-01-24
IT991725B (it) * 1973-07-12 1975-08-30 Cselt Centro Studi Lab Telecom Sistema di modulazione quadrifase per trasmissione di informazioni numeriche
US3909750A (en) * 1974-06-10 1975-09-30 Bell Telephone Labor Inc Apparatus for encoding a binary signal into a frequency modulated coherent phase-shift keyed signal
US3973201A (en) * 1974-08-16 1976-08-03 Ncr Corporation PSK modulator with reduced spectrum occupancy
US3969590A (en) * 1975-04-04 1976-07-13 Rockwell International Corporation Surface acoustic wave apparatus
US4013960A (en) * 1976-02-06 1977-03-22 International Telephone And Telegraph Corporation Quadraphase modulator
NL7709917A (nl) * 1977-09-09 1979-03-13 Philips Nv Systeem voor datatransmissie met behulp van een hoekgemoduleerde draaggolf van constante amplitude.

Also Published As

Publication number Publication date
EP0026035A1 (de) 1981-04-01
US4311971A (en) 1982-01-19
AU6104680A (en) 1981-03-26
JPS5654147A (en) 1981-05-14
AU528175B2 (en) 1983-04-14
CA1140635A (en) 1983-02-01
EP0026035B1 (de) 1984-04-04

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee