A Bit Timing Extraction Technique.
Final technical rept. Aug 75-Feb 76,
AIR FORCE AVIONICS LAB WRIGHT-PATTERSON AFB OHIO
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This technical report contains a description of a bit-timing extraction technique which can be used to derive bit-timing a clock from a UHF satellite digital communications channel disturbed by the effects of ionospheric scintillation. The bit-timing extraction technique is described as a part of a modulatordemodulator which uses a binary FSK modulator and a post-detection demodulator. In addition a convolutional encoder with a feedback decoder are an integral part of the modulatordemodulator. The functioning of the encoder-decoder requires an accurate clock even during signal fading periods of up to five seconds. The bit-timing extraction technique was conceived to fulfill this need. Author
- Non-Radio Communications