According to the problem that the impact load generated by large steel industries affects the area load curves, the paper introduces a method to pre-process the impact load using wiener filtering.

针对大型特种钢铁企业所产生的冲击负荷影响地区负荷曲线的问题，介绍了一种利用维纳滤波对冲击负荷进行预处理的方法。

In these methods, we use the optimum Wiener filtering and Window filtering deconvolution technique to process the background conductivity signal.

包括了最佳维纳滤波反褶积与窗函数滤波反褶积对于背景电导率信号还原的处理方法。

Rules of the system error along with time is represented and stochastic process models are established: error accumulating model and Wiener model.

利用随机过程的方法来分析系统误差的变化过程，建立了系统误差的随机过程模型——误差累加模型和维纳过程模型。