Scheuermann : Modular Approach to Digit
نویسندگان
چکیده
A n~ultistep transmultiplexer approach with a single-way modulation scheme applying minimum phase wave digital directional or transversal filters is proposed. Furthermore, the impact of signaling, pilots, and spectral shaping at the PCM end is investigated. The results of a filter design based on wave digital filters is given. The main merits of this approach are, at a moderate level of computational complexity, its absolute stability, the low basic group delay, and its modularity. Due to modularity, the central unit (the TDMIFDM and FDMITDM translators) is composed of only three different filter types requiring neither DFT, FFT, or associated EX
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