| 摘要 |
FIELD: radio engineering. SUBSTANCE: noise killing device that may be used in duplex control channels and burst on-line command radio-communication links has broadband intermediate-frequency amplifier, narrow-band noise suppressor incorporating n parallel channels, counter, adder, matching filter, two parallel-to- serial code converters, clock generator, decoder, two frequency-spectrum compression units each incorporating flip-flops, coincidence units, counters, heterodynes, and mixers. EFFECT: enhanced noise immunity in reception. 1 cl, 3 dwg |
