【Key words】 CDMA； subspace-based MMSE multiuser detection； subspace tracking algorithm； data compression；
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improved subspace tracking algorithm 改进的子空间跟踪算法
With combination of the above subspace tracking algorithm with SVD- ESPRIT algorithm, an adaptive ESPRIT algorithm is presented to track the time varying DOAs.
将该跟踪算法与SVD -esprit算法相结合，得到的自适应esprit算法可用于对时变的信号DOA进行跟踪估计。
A novel recursive subspace method is presented for pseudo-modal parameter identification of time-varying structures based on projection approximation subspace tracking algorithm.
基于投影估计子空间跟踪算法提出了一种新的可用于时变结构模态参数识别的递推子空间方法。
A modified ULV updating algorithm. is applied to performing noise subspace tracking. The algorithm does not require rank estimation of the correlation matrix, and estimate directly the noise subspace.
使用一种修改的ULV更新算法进行噪声子空间跟踪，该算法不需要相关矩阵的秩估计，直接估计噪声子空间。
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