The simulation results indicate that the spatial Fourier analysis is a better method to determine the MHD perturbation mode in tokamak.
比较结果表明，用空间傅里叶分析法识别托卡马克中的MHD扰动模式是一种可以行之有效的方法。
The Fourier transform method has been used to analyze the influence of modal amplitude and phase fluctuations in a mode-locked laser on performance of its output pulse.
用傅里叶变换的方法分析了锁模激光器中模式间的相位和振幅涨落对锁模脉冲列特性的影响。
The paper presents a method of motion curve frequency domain filtering in Omni-directional M-mode echocardiography images based on Discrete Fourier Transform (DFT).
介绍一种基于离散傅里叶变换(DFT)的全方向M型超声心动图运动曲线频域滤波技术。
The resonance equation of the sampled fiber Bragg gratings is derived through the Fourier′s transform and the coupled-mode theory, which determine the wavelengths of the resonance peaks.
利用傅里叶变换和耦合模理论得到了取样布拉格光纤光栅的谐振方程，确定了其多谐振峰的位置。
In this paper, a freight car rolling element bearings fault diagnosis method based on Empirical Mode Decomposition(EMD) and adaptive short_time Fourier transform(STFT) is proposed.
提出了一种结合经验模态分解（EMD）和自适应短时傅里叶变换（STFT）的铁路货车滚动轴承故障诊断方法。
Using Fourier analysis to calculate the maximum collector voltage of PAs in inverse Class-AB mode, we can calculate the maximum efficiency.
通过对输出波形傅里叶函数的研究可以得到最大输出电压摆幅以及计算最大功率。
The power spectra curve as a function of the mode number of outer or inner profiles are also calculated by the application of fast Fourier transform to the circumferential profile data.
应用快速傅里叶变换算法对靶丸圆周轮廓数据进行分析，获得了靶丸表面外轮廓或内轮廓模数-功率谱特征曲线。
The power spectra curve as a function of the mode number of outer or inner profiles are also calculated by the application of fast Fourier transform to the circumferential profile data.
应用快速傅里叶变换算法对靶丸圆周轮廓数据进行分析，获得了靶丸表面外轮廓或内轮廓模数-功率谱特征曲线。
应用推荐