FREQUENCY-REUSE RADIO COMMUNICATION LINK Russian patent published in 2001 - IPC

FIELD: space and ground radio communication systems. SUBSTANCE: proposed radio communication link has on sending end main-message signal generator, power splitter, two amplitude modulators, paraphase amplifier, transmitting antenna, and two antenna feeds; on receiving end it has receiving antenna, two antenna feeds, two adders, subtracting device, synchronous detector, amplitude limiter, narrow-band low-frequency filter, preselection filter, filter tuned to fundamental frequency, heterodyne filter, main-message demodulator, rotating polarizer, heterodyne, high-frequency amplifier, adjustable amplifier, mixer, control device, and delay line. EFFECT: improved immunity to concentrated noise affecting input stages. 3 dwg