AR model coefficients calculated according to the power spectral density ( PSD ). 根据AR模型系数计算功率谱密度(PSD)(PSD)。
The concept of " equivalent noisy power spectral density " is introduced in this paper. 文中提出等效噪声功率谱密度(PSD)的概念。
At last, the power spectral density function and the mean square value function of the random displacement response of a plate with stationary random current of white noise were calculated. 最后通过具体算例,对处于外加磁场中的导电薄板通以理想白噪声的平稳随机电流,对其位移响应的功率谱密度(PSD)函数和均方值函数进行了计算。
The influence of random signals on the power spectral density characteristic of switching function is studied and a practical design of randomized PWM is proposed. 分析了随机信号对开关函数功率谱密度(PSD)特性的影响,据此提出随机脉宽调制技术的实用化设计方法。
The random vibration analysis of transmission tower based on wind power spectral density method; 用复模态方法求解了输电杆塔基桩轴向振动的线性偏微分方程。