It overcame the shortcoming of the hardthreshold function's discontinuousness and improves the constant error.

该值函数既克服了硬值函数不连点,又修正了软值函数存在差。

Geological radar is a non-destructive test instrument that detect the underground objects by the quality of discontinuousness of the underground medium.

地质雷达是一种通过利用地下介质不连性来探测地下目标无损检测工具。