自校验 meaning in English

self check
self verifying
self-checking
self-verifying

This paper simulates the effect of voltage fluctuation inspection through the tool of matlab . and proves the filters ' s stability . in the part of self - checkout , pi ( proportional integral ) control arithmetic is put forward to check the gain k and the calculated results show the method ' s effectiveness . then many comparements toward pst are done in different realization methods such as different interpolation points classification number and sample frequency . though simulation and calculation we can see the designed flicermeter can meet our country ' s standands
文中利用matlab对电压波动的检测效果进行了仿真；并对涉及到的滤波器的稳定性做了证明；在自校验部分提出了将pi (比例、积分)算法用于数字滤波器增益k值的确定，取得了不错的效果；然后分别从取不同插值点、不同分级数和不同采样频率这几个方面出发，对计算出的p _ ( st )值进行了比较。