Microprocessor controlled iterative switching FM/PM receiver for

Pulse or digital communications – Repeaters – Testing

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371 31, 371 69, 455 63, 375 51, 375 57, H04L 102, H04L 108

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active

042863341

ABSTRACT:
A radio communications transmission system in which the communication information is digitalized and impressed on a radio frequency carrier by means of frequency modulation and/or phase modulation and wherein at the receiving station the interference is recognized as amplitude modulation occurring at the output of the intermediate frequency stage and wherein when such interference occurrence is recognized the received data is identified as being faulty and is replaced by redundantly transmitted data which is received and stored at the receiving side so as to provide accurate transmission of data.

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