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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。
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.
本文提出了基于复数U - D分解的复参数最小二乘估计方法。
The Paper presents a new U-D factorization based least squares methods for complex estimation.
提出了基于复数U - D分解的复参数最小二乘估计方法。
The paper presents a new U-D factorization based least squares methods for complex estimation.
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