K. G. Gayathri Devi

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The paper presents hardware design of digital signal processing based PSK demodulator using Costas loop. On the basis of analyzing the mathematical models of Costas loop, a method to model and simulate it by MATLAB is put forward. The design of LPF (low-pass filter), LF (loop filter) and VCO (voltage-controlled oscillator) are researched. It is first(More)
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