Abstract
The key that Two-way Automatic Communication System (TWACS) is applied in distribution systems is how the usable communication signals are detected from the strong interference of power network. According to the characteristic of TWACS signal, the paper proposed a new detection algorithm for TWACS signal based on Independent Component Analysis (ICA), which is an effective detection technique for weak signals. It can maintain the integrity of the source signals whether in the time domain or in frequency domain, on which the overlap of the signals' frequency is not impacted. The simulations show this algorithm can separate the signals effectively whether under system dynamics or under system steady state, and can improve signal to noise ratio of TWACS signals.
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