Subspace Channel Estimation Algorithm Using PASTd Method

Subspace channel estimation algorithm employing the PASTd (Projection Approximation Subspace Tracking with deflation) method for blind channel estimation

Bing Yang's PAST and PASTD Algorithms for Signal Subspace Tracking with MUSIC-Based DOA Estimation

This implementation utilizes Bing Yang's PAST and PASTD algorithms for dynamic signal subspace tracking, combined with MUSIC algorithm for Direction of Arrival (DOA) estimation of signals. The code demonstrates efficient subspace updating techniques and high-resolution spectral estimation for signal processing applications.