EMA on a car body-in-white ( BIW ) is conducted using both PolyMAX and least squares complex exponent method ( LSCE ) with their results compared and analyzed .
分别采用最小二乘复频域法和最小二乘复指数法对某轿车白车身进行了实验模态分析并对其结果进行比较和分析。
polymax