Research Catalog

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  • On linear structure and phase rotation invariant properties of block 2[superscript l]-PSK modulation codes [microform] / Shu Lin, principal investigator.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1990]
    • 1990

  • A planar approximation for the least reliable bit log-likelihood ratio of 8-PSK modulation [microform] / William H. Thesling and Mark J. Vanderaar.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Phase-ambiguity resolution for QPSK modulation systems. Part II, A method to resolve the phase-ambiguity for the offset QPSK modulation systems [microform] / Tien Manh Nguyen.

    • Text
    • Pasadena, Calif. : National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1989]
    • 1989

  • Bandwidth efficient block codes for M-ary PSK modulation [microform] / Shu Lin, principal investigator.

    • Text
    • Greenbelt, Md. : NASA Goddard Space Flight Center ; [Springfield, Va. : National Technical Information Service, distributor, 1987]
    • 1987

  • The performance of trellis coded multilevel DPSK on a fading mobile satellite channel [microform] / Marvin K. Simon, Dariush Divsalar.

    • Text
    • Pasadena, Calif. : National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1987]
    • 1987

  • DMSK, a practical 2400-bps receiver for the mobile satellite service [microform] : an MSAT-X report / Faramaz Davarian, Marvin Simon, Joe Sumida.

    • Text
    • Pasadena, Calif. : National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1985]
    • 1985

  • Trellis coded modulation for 4800 to 9600 bps transmission over a fading satellite channel [microform] / Dariush Divsalar, Marvin K. Simon.

    • Text
    • Pasadena, Calif. : National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology ; [Springfield, Va. : National Technical Information Service, distributor, 1986]
    • 1986

  • Multidimensional trellis coded phase modulation using a multilevel concatenation approach [microform]. Part I, Code design / Sandeep Rajpal, Do Jun Rhee, and Shu Lin.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Concatenated coding using trellis-coded modulation [microform] : final report : NAG 9-767 / principal investigator, Michael W. Thompson.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • 8-PSK signaling over non-linear satellite channels [microform] : a thesis ... / by Rubén Caballero, B. Eng.

    • Text
    • Las Cruces, N.M. : New Mexico State Universty ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1996]
    • 1996

  • Pulse shaped constant envelope 8-PSK modulation study [microform] : supported by NASA grant #NAG5-1491 / Jianping Tao, Sheila Horan.

    • Text
    • [Las Cruces, N.M.] : New Mexico State University ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Pulse shaped 8-PSK bandwidth efficiency and spectral spike elimination [microform] / JianPing Tao.

    • Text
    • Las Cruces, N.M. : New Mexico State University ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1998]
    • 1998

  • Real-time in situ signal-to-noise ratio estimation for the assessment of operational communications links [microform] / Robert M. Manning.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2002]
    • 2002
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS51521

  • On decoding of multi-level MPSK modulation codes [microform] / Shu Lin.

    • Text
    • Honululu, Hawaii : Dept. of Electrical Engineering, University of Hawaii at Manoa, [1990]
    • 1990
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS69304

  • Programmable rate modem utilizing digital signal processing techniques / George K. Bunya and Robert L. Wallace.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, [1989]
    • 1989
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo30609

  • A concatenated coded modulation scheme for error control : (addition II) / Shu Lin, principal investigator.

    • Text
    • Greenbelt, Md. : NASA Goddard Space Flight Center, [1988]
    • 1988
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo30964

  • Programmable rate modem utilizing digital signal processing techniques [microform] / George K. Bunya and Robert L. Wallace.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, [1989]
    • 1989

  • A concatenated coded modulation scheme for error control [microform] : (addition II) / Shu Lin, principal investigator.

    • Text
    • Greenbelt, Md. : NASA Goddard Space Flight Center, [1988]
    • 1988

  • V-band integrated quadriphase modulator / A. Grate, K. Chang.

    • Text
    • Redondo Beach, CA : TRW Electronic Systems Group ; Greenbelt, Maryland : NASA Goddard Space Flight Center, November 1983.
    • 1983-11
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo52182

  • V-band integrated quadriphase modulator / A. Grate, K. Chang.

    • Text
    • Redondo Beach, Californiaorniaornia : TRW Electronic Systems Group ; Greenbelt, Maryland : NASA Goddard Space Flight Center, November 1983.
    • 1983-11

  • Real-time in situ signal-to-noise ratio estimation for the assessment of operational communications links / Robert M. Manning.

    • Text
    • Cleveland Ohio : National Aeronautics and Space Administration, Glenn Research Center, August 2002.
    • 2002-8
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/LPS51521

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