若正交函数为复指数集,其系数正好是傅里叶系数。
The coefficients are Fourier coefficients to the moment when the orthogonal functions are complex exponential functions.
本文给出了复指数信号模型非线性最小二乘解的几何结构。
The geometric structure of nonlinear least squares solution for signals by complex exponents is offered in this paper.
在机械手实例中,分别采用复指数变换法和坐标矩阵变换法进行求解。
Both complex exponential form transformation and the coordinate matrix transformation are applied to the example of manipulator.
结果表明,采用该方法能够有效地识别出模态振型,从而弥补了复指数法在未知激励下进行模态分析的不足。
The results show that the present method can identify the mode shape accurately and complement the use of PRCE under unknown excitation condition.
结果表明,采用该方法能够有效地识别出模态振型,从而弥补了复指数法在未知激励下进行模态分析的不足。
The results show that the present method can identify the mode shape accurately and complement the use of PRCE under unknown exci…
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.
二级离散复镜像方法将谱域格林函数分两步近似,减少了广义函数束方法对格林函数进行指数拟合的时间。
In the two-level DCIM, the approximation is performed at two levels to reduce the time to fit the Green's functions with exponential functions so that the efficiency is improved.
通过对复合材料熔体指数、力学性能以及形态结构的比较,探讨了无机组合粒子级复配共混的协同效应。
The compound inorganic particles synergistic hybridization effect was studied by comparing the melt index, mechanics capability and the morphology.
利用改进的BP算法,结合电波传播理论,建立了随机雨介质的等效复折射指数的神经网络模型。
The neural network model of the equivalent complex refractive of random rain media is developed by means of the improved BP algorithm, based on the electromagnetic wave propagation theory.
急性心肌梗死患者QT变异度指数增高,可能是由于急性心肌梗死造成的心肌缺血和坏死使心室复极变异增大。
But QTVI of AMI was higher than the control group, which suggested greater repolarization liability in AMI caused by myocardial ischemia and infarction.
急性心肌梗死患者QT变异度指数增高,可能是由于急性心肌梗死造成的心肌缺血和坏死使心室复极变异增大。
But QTVI of AMI was higher than the control group, which suggested greater repolarization liability in AMI caused by myocardial ischemia and infarction.
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