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- 快速傅立叶变换FFTFFT
- 用MATLAB仿真软件对雷电冲击全波、波尾截断雷电冲击波和波前截断雷电冲击波进行了仿真,用快速傅立叶变换FFT将其分解为多次谐波,并采用幅值阀值法提取出幅值较大的谐波。4 Use MATLAB software to simulate all lightning wave lightning wave cut off in tail and lightning wave cut off in the head. Firstly, FFT decompose these waves into multiple harmonic waves; then according to the amplitude to take out of larger harmonic wave.
- “傅立叶分析”分析工具可以解决线性系统问题,并能通过快速傅立叶变换(FFT)进行数据变换来分析周期性的数据。The Fourier Analysis tool solves problems in linear systems and analyzes periodic data by using the Fast Fourier Transform (FFT) method to transform data.
- 反向快速傅立叶变换IFFT Inverse Fast Fourier Transform
- 用扫描电镜(SEM)、傅立叶变换红外光谱(FI-IR)和差热分析(DTA)等方法对样品进行了表征.The samples were characterized by BET,SEM,FT-IR,and DTA.
- 快速傅立叶算法Fast Fourier arithmetic
- 本文对快速抗混叠傅立叶变换算法 (FAFT)进行了误差分析 ,给出了它的误差估计。This paper has succeeded in discussing the error analysis for Fast Anti alias Fourier Transform (FAFT).
- 快速傅立叶变化(FFT)fast fourier transform (FFT)
- 快速傅立叶变换fast fourier transform
- 浮点快速傅立叶处理器floating-point FFT processor
- 摘要叙述了一种基于短时傅立叶变换的脉冲星消色散算法。In this paper, a pulsar de-dispersion algorithm based on the Short Time Fourier Transform (STFT) is presented.
- 半傅立叶变换half Fourier transform
- 快速傅立叶反变换inverse fast fourier transform
- 反傅立叶变换inverse Fourier transform
- 傅立叶变换对Fourier' s transformation pairs
- 离散傅立叶变换discrete Fourier transform
- 快速扫描傅立叶变换红外光谱Rapid scan Fourier transform infrared spectroscopy
- 短时傅立叶变换short-time Fourier transform
- 研究的另一个重点是快速傅立叶变换在无功补偿中的应用。In addition, the emphasis of the thesis is the use of Fast Fourier Transform (FFT) in reactive power compensation.
- 分数傅立叶变换fractional Fourier transform