英语语法分析

Result obtained shows, it is feasible to calculate approximately the LRCS with this method.

结果表明，用这种方法近似计算lrcs是可行的。

The effect of the approximate method on the results is analyzed. The concept of the coherent LRCS is discussed.

利用这种近似方法推导出了计算圆锥后向LRCS的解析式并给出了具体的计算结果；

To improve the measurement accuracy of laser radar cross section (LRCS), the background scattering existing in the measurement is pointed out.

针对激光雷达散射截面的测量精度，指出测量中存在的背景散射问题。