In this paper we consider second order nonlinear terms, set up more precise dynamic system's model and derive the computation formula of terminal perturbation deviation by state variation.
本文考虑到二阶非线性项，建立起更加精密的系统模型，推导出利用状态变分计算终端干扰偏差的公式。
The relation between the correlation function of intensity variation and surface roughness parameter is derived through analyzing the second-order statistical properties of the speckle image.
分析此散斑图像的二阶统计特性，导出了强度变化的相关函数和表面粗糙度参数之间的关系。
In this paper, we introduced another method of variation of constant of the second-order linear equation.
介绍了二阶线性微分方程的又一种常数变异法。
In this paper, we introduced another method of variation of constant of the second-order linear equation.
介绍了二阶线性微分方程的又一种常数变异法。
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