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SMPTE Meetings and Conferences ( February 1989)
[ACTIVE]

Reduction of Multipath Effects and Channel Distortion in Broadcast Television

Metadata

Publisher
SMPTE — White Plains, NY
Doc Type
Conference Paper
Content Type
Original Research
Volume
1989, No. 26, pp. 128–135
Abstract
A new technique for the adaptive recursive removal of “ghosts” is described. The system is based on look-up and decision-based adaptive assignment of the parameters of the recursive algorithm. A coarse channel estimation is used to select the initial parameter set. The algorithm requires a training signal in the vertical blanking interval. A master control algorithm keeps track of the echo-channel and system parameters, and makes the necessary control decisions and echo assignments. Two-axis synchronous detection is used and the echo reduction operation is performed in the baseband. The system is targeted for digital NTSC and IDTV/EDTV/HDTV receivers. It is primarily intended for use in the reception of terrestrial VHF/UHF distribution.
Publication Date
1989-02-01
DOI
10.5594/M00745
Link
https://doi.org/10.5594/M00745
Author(s)
Melih PazarciIllinois Institute of Technology - Telecommunications Systems Center Chicago, Ill.
bio
Melih Pazarci was born in Istanbul, Turkey, on Sept. 9, 1955. He received the Muhendis Degree in Electrical Engineering from the Technical University of Istanbul in 1978 and MSEE and Ph.D. degrees from the Illinois Institute of Technology, Chicago, in 1980 and 1984 respectively. From 1985 to 1986, he was an assistant professor in the Faculty of Electrical Engineering and Electronics of the Technical University of Istanbul and also a consultant to a telecommunications company. Presently he is a visiting assistant professor in the Illinois Institute of Technology-Telecommunications Systems Center (IIT-TSC). He holds four patents on high-definition television. He is also the author of numerous publications on that and related subjects. His current research interests include video signal processing, digital image processing, and HDTV. He is a member of the IEEE and SMPTE.
Copyright
© 1989 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • [1]– Ciciora W. Sgrignoli G. Thomas W. , “A Tutorial on Ghost Cancelling in Television Systems” , IEEE Transactions on Consumer Electronics , Vol. CE-25 , Feb. 1979 , p. 9 . EXTERNAL
  • [2]– Thedick H. , “Adaptive Multipath Equalization for TV Broadcasting” , IEEE Transactions on Consumer Electronics , Vol. CE-23 , May 1977 , p. 175 . EXTERNAL
  • [3]– Larimore M. G. Treichler J. R. Johnson C. R. , “SHARF: An Algorithm for Adapting IIR Digital Filters” , IEEE Transactions on Acoustics, Speech and Signal Processing , Vol. ASSP-28 , No. 4 , Aug. 1980 , pp. 428 – 439 . EXTERNAL
  • [4]– Johnson C. R. , “SHARF Convergence Properties” , IEEE Transactions on Acoustics, Speech and Signal Processing , Vol. ASSP-29 , No. 3 , June 1981 , pp. 659 – 669 . EXTERNAL
  • [5]– Treichler J. R. , “The Application of SHARF to Adaptive Removal of TV Ghosting” , IEEE International Conference on Acoustics, Speech and Signal Processing 1981 Proceedings , March 31, 1981 , Atlanta, pp. 554 – 559 . EXTERNAL
  • [6]– Chen Chunhao , “A Color Television Broadcast Simulator” , Chicago, IL : Illinois Institute of Technology , MS Thesis, to be published May 1989 . EXTERNAL
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Melih Pazarci; Reduction of Multipath Effects and Channel Distortion in Broadcast Television, SMPTE Meetings and Conferences ( February 1989); SMPTE, 1989. Available at https://doi.org/10.5594/M00745
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Melih Pazarci; Reduction of Multipath Effects and Channel Distortion in Broadcast Television, SMPTE Meetings and Conferences ( February 1989); SMPTE, 1989. Available at https://doi.org/10.5594/M00745

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Melih Pazarci; Reduction of Multipath Effects and Channel Distortion in Broadcast Television, SMPTE Meetings and Conferences ( February 1989); SMPTE, 1989. Available at https://doi.org/10.5594/M00745
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<span class="citation">Melih Pazarci; <cite>Reduction of Multipath Effects and Channel Distortion in Broadcast Television</cite>, SMPTE Meetings and Conferences ( February 1989); SMPTE, 1989. Available at <a href="https://doi.org/10.5594/M00745" target="_blank" rel="noopener">https://doi.org/10.5594/M00745</a></span>

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Preview:
Melih Pazarci; Reduction of Multipath Effects and Channel Distortion in Broadcast Television, SMPTE Meetings and Conferences ( February 1989); SMPTE, 1989
doi: 10.5594/M00745
url: https://doi.org/10.5594/M00745
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<li>
Melih Pazarci; <cite id="bib-10-5594-m00745">Reduction of Multipath Effects and Channel Distortion in Broadcast Television</cite>, SMPTE Meetings and Conferences ( February 1989); SMPTE, 1989
<span class="doi">10.5594/M00745</span>
</li>