正交性条件 meaning in English

orthogonality conditions

4 . a new method for updating linear structural dynamic model was proposed in the paper . the modified parameters were determined by sensitivity analysis
4 .对线性结构的有限元动力模型修正问题,通过灵敏度分析,确定要修正的参数,由正交性条件和特征方程得到相应的修正量方程。
A new computational formula to nonlinear adjustment by parameters , in consideration of the second - order terms , is derived in this paper from the precise orthogonality condition equations to nonlinear least squares by analyzing the direct solving process and iterative computing method of the linearized model
在分析线性化的非线性参数平差的近似直接解法与迭代解法基础上，利用非线性最小二乘的精确正交性条件方程，推导出顾及到二次项的非线性参数平差的一种新的计算公式。