A practical procedure of Double-Least-Square approach in ITD method of modal parameters is programed and the simulataneous identification test is conducted.
本文编制了模态参数时域识别的双最小二乘法程序，并进行了模拟试验。
2
The double least squares approach is used to identify modal parameters.
文中采用了双最小二乘逼近来识别系统的模态参数。
3
Based on the optimization modal in ANSYS, the structural design for the portal framed structure of a double-hull sand dredge was optimized.