Radio receiver apparatus including multipath fade compensating a

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination

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455249, 455266, 455311, 455340, H04B 110

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active

044661339

ABSTRACT:
In a radio receiver a multipath fade compensating circuit comprises a single-pole filter circuit the center frequency and Q of which are controlled in dependence upon the amplitudes of signal components in narrow frequency bands within the band of frequencies passed by the filter circuit. The narrow bands may be selected from an array by a microprocessor, or may be derived using variable frequency filters.

REFERENCES:
"Design Considerations for an Extended Range Adaptive Equalizer" by Hartmann et al., International Conferences on Communications, Denver, Colorado, Jun. 1981.
"Equipment Design and Performance of 6GHE SSB-AM System" by Nojima et al., Review of the Electrical Communication Lab. vol. 29, Nos. 11-12, Nov.-Dec. 1981.

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