BE894458A - Emetteur numerique a adressage de composantes vectorielles - Google Patents

Emetteur numerique a adressage de composantes vectorielles

Info

Publication number
BE894458A
BE894458A BE0/209067A BE209067A BE894458A BE 894458 A BE894458 A BE 894458A BE 0/209067 A BE0/209067 A BE 0/209067A BE 209067 A BE209067 A BE 209067A BE 894458 A BE894458 A BE 894458A
Authority
BE
Belgium
Prior art keywords
vector components
digital transmitter
addressing vector
addressing
transmitter
Prior art date
Application number
BE0/209067A
Other languages
English (en)
Inventor
H H Parrish Jr
R Srinivasagopalar
Original Assignee
Racal Data Comm Inc
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 Racal Data Comm Inc filed Critical Racal Data Comm Inc
Publication of BE894458A publication Critical patent/BE894458A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/365—Modulation using digital generation of the modulated carrier (not including modulation of a digitally generated carrier)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
BE0/209067A 1981-09-21 1982-09-21 Emetteur numerique a adressage de composantes vectorielles BE894458A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/304,018 US4442530A (en) 1981-09-21 1981-09-21 Digital transmitter with vector component addressing

Publications (1)

Publication Number Publication Date
BE894458A true BE894458A (fr) 1983-01-17

Family

ID=23174679

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/209067A BE894458A (fr) 1981-09-21 1982-09-21 Emetteur numerique a adressage de composantes vectorielles

Country Status (11)

Country Link
US (1) US4442530A (fr)
JP (1) JPS58501570A (fr)
KR (1) KR840001977A (fr)
AR (1) AR231031A1 (fr)
BE (1) BE894458A (fr)
CA (1) CA1187943A (fr)
FR (1) FR2513462A1 (fr)
GB (1) GB2117605B (fr)
IT (1) IT1155934B (fr)
NZ (1) NZ201808A (fr)
WO (1) WO1983001167A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597090A (en) * 1983-04-14 1986-06-24 Codex Corporation Block coded modulation system
US4627077A (en) * 1983-09-20 1986-12-02 Paradyne Corporation Modified QAM data point constellation for secondary channel signalling
US4644537A (en) * 1984-12-24 1987-02-17 American Telephone And Telegraph Company Inband coding of secondary data
US4651320A (en) * 1984-12-24 1987-03-17 American Telephone And Telegraph Company Inband coding of secondary data
US4584540A (en) * 1985-05-20 1986-04-22 Rockwell International Corporation Digital direct modulator with type of modulation selection
US4736389A (en) * 1986-08-04 1988-04-05 American Telephone And Telegraph Company Technique for synthesizing the modulation of a time varying waveform with a data signal
US5027372A (en) * 1987-03-04 1991-06-25 National Semiconductor Corp. Differential phase shift keying modulator
FR2634609B1 (fr) * 1988-07-22 1990-10-05 Trt Telecom Radio Electr Dispositif de modulation pour moduler une onde en phase et en amplitude
US5113412A (en) * 1990-06-08 1992-05-12 General Datacomm, Inc. Method and apparatus for mapping an eight dimensional constellation of a convolutionally coded communication system
US5048056A (en) * 1990-06-08 1991-09-10 General Datacomm, Inc. Method and apparatus for mapping an eight dimensional constellation of a convolutionally coded communication system
WO1992021194A1 (fr) * 1991-05-10 1992-11-26 Echelon Corporation Communication par ligne de transport d'energie permettant d'eviter les harmoniques parasites determinables
US5633894A (en) * 1995-01-26 1997-05-27 The United States Of America As Represented By The Secretary Of The Navy Circuit for modulating a sinusoidal waveform signal using digital pulse shaping

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2110845A5 (fr) * 1970-10-29 1972-06-02 Ibm France
US3909721A (en) * 1972-01-31 1975-09-30 Signatron Signal processing system
US3988540A (en) * 1972-05-05 1976-10-26 Milgo Electronic Corporation Integrated circuit modem with a memory storage device for generating a modulated carrier signal
US3813528A (en) * 1972-06-02 1974-05-28 Singer Co High-speed function generator
JPS5756263B2 (fr) * 1972-09-28 1982-11-29
US3935386A (en) * 1974-09-20 1976-01-27 Teletype Corporation Apparatus for synthesizing phase-modulated carrier wave
US4003001A (en) * 1974-11-21 1977-01-11 International Business Machines Corporation Multi-line, multi-mode modulator using bandwidth reduction for digital FSK and DPSK modulation
US3958191A (en) * 1974-11-21 1976-05-18 International Business Machines Corporation Multi-line, multi-mode modulator using bandwidth reduction for digital fsk and dpsk modulation
US4008373A (en) * 1975-10-03 1977-02-15 Motorola, Inc. Digital differential phase shift keyed modulator
US4206320A (en) * 1978-08-21 1980-06-03 University Of Illinois Foundation High speed modem suitable for operating with a switched network
US4263670A (en) * 1979-05-11 1981-04-21 Universal Data Systems, Inc. Microprocessor data modem
US4307464A (en) * 1979-12-26 1981-12-22 General Electric Company Method and apparatus for synthesizing a modulated carrier to reduced interchannel interference in a digital communication system

Also Published As

Publication number Publication date
WO1983001167A1 (fr) 1983-03-31
GB8312021D0 (en) 1983-06-08
KR840001977A (ko) 1984-06-07
US4442530A (en) 1984-04-10
CA1187943A (fr) 1985-05-28
GB2117605A (en) 1983-10-12
IT1155934B (it) 1987-01-28
NZ201808A (en) 1985-11-08
IT8268115A0 (it) 1982-09-20
JPS58501570A (ja) 1983-09-16
FR2513462A1 (fr) 1983-03-25
GB2117605B (en) 1985-08-14
AR231031A1 (es) 1984-08-31

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