Pulse or digital communications – Repeaters – Testing
Patent
1990-02-23
1994-05-03
Kuntz, Curtis
Pulse or digital communications
Repeaters
Testing
375 60, 455 72, H04B 1500
Patent
active
053094786
ABSTRACT:
Method and apparatus for selectively increasing, decreasing or leaving unaffected the signal-to-noise ratio of portions of an analog transmission signal. As a result it is possible to increase the signal-to-noise ratio of some analog values, decrease the signal-to-noise ratio of other analog values, and leave the signal-to-noise ratio of the remaining values of a given analog signal, so as to better utilize a transmission channel according to the characteristics of the signal to be transmitted.
REFERENCES:
patent: 4403331 (1983-09-01), Halpern et al.
patent: 4601045 (1986-07-01), Lubarsky
patent: 4641327 (1987-02-01), Wei
patent: 4677671 (1987-06-01), Galand et al.
patent: 4700361 (1987-10-01), Todd et al.
patent: 4700362 (1987-10-01), Todd et al.
patent: 4733401 (1988-03-01), Longstaff
patent: 4839906 (1989-06-01), Leveque et al.
patent: 4866442 (1989-09-01), Steim et al.
Schreiber, William F., "Improved Television Systems: NTSC and Beyond," SMPTE Journal, vol. 66, No. 8, pp. 734-744, Aug. 1987.
Schreiber, William F., "Psychophysics and the Improvement of Television Image Quality," SMPTE Journal, vol. 93, No. 8, pp. 717-725, Aug. 1984.
Schreiber et al., "Reliable EDTV/HDTV Transmission in Low-Quality Analog Channels," SMPTE Journal, pp. 496-503 (Jul. 1989).
"Channel-Compatible 6-MHz HDTV Distribution Systems", SMPTE Journal (Jan. 1988).
Two Dimensional Signal and Image Processing, (1990), Prentice Hall.
Kuntz Curtis
Massachusetts Institute of Technology
Tse Young
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