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  • COMMUNICATIONS  (735)
  • 1970-1974  (735)
  • 1972  (315)
  • 1970  (420)
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  • 1970-1974  (735)
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  • 1
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    Millimeter wave antenna system Patent Application (1970)
    In:  CASI
    Details
    Publication Date: 2019-08-14
    Description: Millimeter wave antenna system for spacecraft use
    Keywords: COMMUNICATIONS
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Telemetering in the space program of the 1970's. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-08-13
    Description: Brief review of the history of telemetering since the end of World War II, and discussion of telemetering needs and trends of the 1970's and 1980's. The shift in emphasis from quantity of flight equipments having relatively short lifetimes to quality of flight equipments having very long lifetimes is shown to characterize the main change from the 1960's to the 1970's in telemetering needs. Looking to the 1980's, the possibility is envisioned of the establishment of orbiting space stations capable of generating 1 to 10 trillion digital bits per day.
    Keywords: COMMUNICATIONS
    Type: International Telemetering Conference; Oct 10, 1972 - Oct 12, 1972; Los Angeles, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    The Skylab communications system. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-08-13
    Description: Skylab is an experimental manned space station which will be operated by three astronauts intermittently over eight months in 1973. It will be in a 235 nautical mile, 50 degree inclination orbit. The communication system includes an onboard audio distribution hard-line network with 13 stations; a teleprinter for recording messages from the ground; telemetry, voice and television links; an onboard video distribution network. The radio frequencies system also includes radiometer and scatterometer earth-scanning sensors operating at 13.9 GHz and 1.4 GHz. The overall Skylab Program is discussed briefly and the communications system is described in more detail.
    Keywords: COMMUNICATIONS
    Type: AIAA PAPER 72-543 , American Institute of Aeronautics and Astronautics, Communications Satellite Systems Conference; Apr 24, 1972 - Apr 26, 1972; Washington, DC
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Experimental systems in applications technology satellite F&G /ATS F&G/. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-08-13
    Description: Four experimental systems involving use of specific capabilities of applications technology satellites are discussed. These experimental systems are illustrative of potential operational systems based on satellites capable of producing relatively large power fluxes.
    Keywords: COMMUNICATIONS
    Type: AIAA PAPER 72-578 , American Institute of Aeronautics and Astronautics, Communications Satellite Systems Conference; Apr 24, 1972 - Apr 26, 1972; Washington, DC
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    A comparative analysis of frequency modulation threshold extension techniques (1970)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: FM threshold extension for system performance improvement, comparing impulse noise elimination, correlation detection and delta modulation signal processing techniques implemented at demodulator output
    Keywords: COMMUNICATIONS
    Type: IN- INST. OF ELECTRICAL AND ELECTRONICS ENGINEERS, INTERNATIONAL CONFERENCE ON COMMUNICATIONS; Jun 08, 1970 - Jun 10, 1970; SAN FRANCISCO, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Threshold determination in sequential detection with fixed error rates (1970)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Bayes sequential detection test with constrained error probabilities, investigating properties of thresholds equations
    Keywords: COMMUNICATIONS
    Type: IN- INST. OF ELECTRICAL AND ELECTRONICS ENGINEERS, INTERNATIONAL CONFERENCE ON COMMUNICATIONS; Jun 08, 1970 - Jun 10, 1970; SAN FRANCISCO, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Two-channel feed system - A dual channel circularly polarized system. I (1970)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Parabolic antenna properties generated by dual band circularly polarized focused two channel monopulse feed system, discussing tracking data from helicopter, Apollo 8 and Cassiopeia A
    Keywords: COMMUNICATIONS
    Type: ; YSICA STATUS SOLIDI|INTERNATIONAL FOUNDATION FOR TELEMETERING, INTERNATIONAL TELEMETERING CONFERENCE; Sep 15, 1969 - Sep 17, 1969; WASHINGTON, DC
    Format: text
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    NASA TECHNICAL REPORTS
  • 8
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    Antenna design for general aviation weather radar (1970)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Antenna design for single engine light general aviation aircraft weather radar, reviewing attenuation and terrain return problems
    Keywords: COMMUNICATIONS
    Type: NAECON ''70, INST. OF ELECTRICAL AND ELECTRONICS ENGINEERS, NATIONAL AEROSPACE ELECTRONICS CONFERENCE; May 18, 1970 - May 20, 1970; DAYTON, OH
    Format: text
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    NASA TECHNICAL REPORTS
  • 9
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    Error rate minimization for improved phase- locked loop damping characteristics (1970)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Phase locked loop damping characteristics optimization based on input rms error rate minimization and transient error integral square value limitation
    Keywords: COMMUNICATIONS
    Type: INST. OF ELECTRICAL AND ELECTRONICS ENGINEERS, ANNUAL SOUTHWESTERN CONFERENCE AND EXHIBITION, 22ND; Apr 22, 1970 - Apr 24, 1970; DALLAS, TX
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Optimized telemetry systems for advanced Mariner-type spacecraft (1970)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Mariner-type spacecraft telemetry system optimization, considering channel capacity
    Keywords: COMMUNICATIONS
    Type: U. OF HAWAII, HAWAII INTERNATIONAL CONFERENCE ON SYSTEM SCIENCES, 3RD, U. OF HAWAII; Jan 14, 1970 - Jan 16, 1970; HONOLULU, HI
    Format: text
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    NASA TECHNICAL REPORTS
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