A new adaptive multi-user detector based on subspace tracking (sp) was proposed, which doesn't need initial matrix and has similar performance as classic algorithm with large computational complexity.

提出了一种新的基于子空间跟踪(SP)的自适应多用户检测算法，不需计算初始矩阵，并且检测性能接近高复杂度的经典算法。

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Kalman has already replaced the classic Wiener filter theory for it can not meet the development of modern target tracking system.

目前卡尔曼滤波理论基本上取代了维纳滤波理论，经典的维纳滤波方法基本上不适应现代目标跟踪系统的需求。

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That year, when the Phillies (the fourth-largest television market in the United States) played the Tampa Bay Rays (the fourteenth-largest television market in the United States), viewership was down 20 percent compared to the year prior and included the lowest-rated game in the 40 years since Nielsen started tracking the Fall Classic.

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