orthogonality condition meaning in English

正交条件

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。
After probable damage location through msecr , the method based on the sensitivity of orthogonality conditions gives good predictions of damage . this method overcomes the natural defect of the concept first order approximation of the ordinary sensitivity analysis method . but this method needs complete measured modes
为克服灵敏度分析法一阶近似的本质缺陷，基于正交条件灵敏度分析法，利用msecr对结构的损伤进行粗略定位后，给出了准确的识别结果，但这种方法的缺点是需要完备的实测振型。