For any orthogonal vectors in the uncorrelated projection space, the obtained features in the original space are statistically uncorrelated.
对于无相关投影空间中的任何正交矢量集，其在原空间中的特征统计无关。
In this paper, the orthogonal projection approximation subspace tracking (OPAST) is employed for channel estimation and space-time multiuser detection in space-time block coded MIMO system.
文章提出在空时分组编码的MIMO系统中利用OPAST这种子空间追踪算法进行盲空时多用户检测。
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