Communications: directive radio wave systems and devices (e.g. – Aircraft collision avoidance system – With transponder
Patent
1991-11-01
1993-01-26
Tubbesing, T. H.
Communications: directive radio wave systems and devices (e.g.,
Aircraft collision avoidance system
With transponder
342149, G01S 1391
Patent
active
051825635
ABSTRACT:
An enhanced performance Mode S interrogator that includes a matched channel receiver. The receiver includes equiripple-phase response filters with finite peaks of attenuation. This new class of filters provides a faster rise of attenuation than all-pole filter while extending the equiripple delay further into the stopband.
REFERENCES:
Feistel et al., "Tiefpasse mit Tsechebyscheff-Charakter der Betriebdamphung in Sperribereich und maximal geebneter Laufzet" Frequenz Bd 19 pp. 265-282 (1965).
Baker, Orlando, Link & Collins, "Mode S System Design and Architecture", Proc, vol. 77, No. 11 (1989) pp. 1684-1694.
Blinchikoff Herman J.
Schofield Ann C.
Sutcliff W. G.
Tubbesing T. H.
Westinghouse Electric Corp.
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