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Frequency-Shift Keying Demodulation and …
Frequency-Shift Keying Demodulation and manchester -BitDecoding Using a digital Radio and digital signal ProcessingTechniquesAuthor: James M. ShimaINTRODUCTIONThis paper discusses a method of Frequency-Shift Keying (FSK) Demodulation andManchester-bit decoding using a digital signal processing (DSP) approach. Thedemodulator is implemented on a single-channel high-speed digital radio board. Theboard architecture contains a high-speed A/D converter, a digital receiver chip, a hostDSP processing chip, and a back-end D/A converter [2]. The demodulator software isbooted off an on-board EPROM and run on the DSP chip [3]. The algorithm acceptscomplex digital baseband data available from the front-end digital receiver chip [2]. Thetarget FSK modulation is assumed to be in the RF range (VHF or UHF signals). A blockdiagram of the single-channel digital radio is shown in Figure 1 [2].
Frequency-Shift Keying Demodulation and Manchester-Bit Decoding Using a Digital Radio and Digital Signal Processing Techniques Author: James M. Shima
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