LFMCW radar nonlinear residual frequency errors zero crossing detection periodogram.

标签LFMCW雷达非线性剩余频差过零检测周期图。

The test result indicated that no significant difference in different zero crossing wavelengths.

说明不同零交点波长的检测结果无显著性差异。

Traditionally, the method of bar code recognition is based on zero crossing of the second derivative.

传统的条码识别方法是通过二阶导数零交叉来定位条码边界。

Quality square wave power supply, current zero crossing time is short, arc stability, arc without high frequency stability.

优质方波电源，电流过零时间短，电弧稳定，无需高频稳弧。

In this paper, the control distortion near the zero crossing point is magnified; a method to minimize the distortion is proposed.

本文中，在接近零交叉点附近的控制畸变被放大，提出了一种减小这种畸变的方法。