作者: Edwin A. Kelley
DOI:
关键词: Filter (signal processing) 、 Multiplexing 、 Time-division multiplexing 、 Complex multiplier 、 Division (mathematics) 、 Decimation 、 Electronic engineering 、 Signal 、 Engineering 、 Finite impulse response
摘要: A digital receiver apparatus and method, designed for multiple simultaneous users, digitizes a received analog RF signal tunes to desired frequencies of the on time division multiplexed basis. After filtering by finite impulse response (FIR) filter that also operates in multiplexing service bands, selected signals are digitally demodulated processed, again time-shared Different bands accommodated at same separate FIR filters, each including coefficient memory its particular band. The frequency band is multiplied coefficients respective common complex multiplier. results demultiplexed directed accumulators decimation accordance with characteristics.