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The wideband spectrum sensing is vulnerable to interferers and blockers due to inter-modulation distortion (IMD) that arises in nonlinear front-end. Traditional DSP-enhanced receivers use least mean squares (LMS) filters to mitigate IMD. We theoretically study the performance of LMS-based algorithm and give expression of its residual distortion power. We then propose a novel compensation algorithm...
Proportional plus derivative controller suffers from non-zero steady-state error due to no integral element. Meanwhile, ignoring ripple in the design process weakens the steady-state performance for switching dc-dc converters. In this paper, a new algorithm is proposed and studied to realize zero steady-state error for proportional plus derivative controller. The proposed algorithm also eliminates...
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