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In this paper, a novel composite right/left handed transmission line (TL) structure is proposed. The CRLH TL has high-pass property at lower frequencies and low-pass property at higher frequencies, thus constructs a bandpass filter. Lumped or quasi-lumped microwave components are introduced to satisfy the necessity of the filter. Simulation using ADS and HFSS demonstrated the viability of the approach.
Within the framework that two filters are working in parallel, stochastic taps NLMS (ST-NLMS) effectively chooses only active taps for adaptation, resulting in a good transient behavior when identifying long, sparse, echo path like systems. However, ST-NLMS still suffers from the inherent limitation of LMS. This necessitates a compromise between the opposing fundamental requirements of fast convergence...
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