The nonlinear support vector machine multiuser detector can approach the optimum multiuser detector in a better way than the other linear detectors.

另外，支撑矢量机多用户检测器的非线性特性可以比线性检测器更好地逼近最优检测器。

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Due to non orthogonality of signature sequence, performance of linear detector is much less than that of the optimum detector that is nonlinear.

最佳多用户检测器是非线性检测器，特征码不完全正交时，线性检测器很难逼近最佳检测器。

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A diagnosis method on abrupt faults of nonlinear system in learning approach is provided by a detector which is designed to detect, identify and diagnose the faults in the dynamic nonlinear system.

针对一类非线性系统给出一种基于学习方法的突变故障诊断方法，设计了一个观测器，以此来检测、辨识和诊断一类非线性系统动态系统的故障。

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