针对利用导弹引信多普勒频率数据求取脱靶量的问题，提出了一种非线性最小二乘优化参数估计方法。

In regard of evaluating miss distance of using missile fuze Doppler spectrum data, a optimizing parameter estimated method of nonlinear least square is put forward.

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对于一般的无约束最优化问题及其特殊情况非线性最小二乘问题而言，信赖域方法是一种有效的方法。

Trust region method is a kind of efficient methods to solve the general unconstrained optimization and its special situation, the nonlinear least squares problems.

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基于系统的非线性静平衡方程 ，通过最小二乘运算和优化策略 ，获得了适于伺服电机控制的索系平衡张力和索长。

Based on the nonlinear static equivalent equations of the cable-cabin system, forces and lengths suitable for servo motor control are obtained by least square method and an optimum strategy.

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