To improve beamforming under low signal-to-noise ratio, a method based on stochastic resonance(SR)in a bistable model is investigated by using a frequency scale transformation method.

为了改善低信噪比下波束形成的性能，从双稳态随机共振模型出发，提出了利用频率尺度变换，将随机共振和波束形成结合起来的算法。

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By using the techniques of the matrix decomposition and the system transformation, the set-valued filtering for stochastic singular linear systems is also designed.

利用矩阵分解和系统变换的技巧，得到广义随机系统的集值滤波方程。

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