... Fourier transform spectrometer 傅里叶变换光谱仪 Fourier transformation 傅里叶变换 Fourier variable 傅里叶变量 ...
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Multi variable Fourier transform 多元Fourier变换
variable size fast Fourier transform 可变点长FFT计算
variable-window Fourier transform 变时间窗傅里叶变换
By using the Fourier transform, the problem can be solved with a pair of dual integral equations in which the unknown variable is the jump of displacements across the crack surfaces.
首先利用付里叶变换，使问题的求解转换成对一对变量为裂纹面上位移差的对偶积分方程的求解。
Measuring and analyzing technology based on variable-time-interval Fourier transform was dealt with for vehicle accelerating noise signal.
提出了基于变时基短时傅里叶变换来分析和处理时变信号的技术。
When the distance between positive and inverse Fourier transform system changes, the CCD is adjusted to the focal plane by variable value of interval between two peaks on CCD with computer.
通过镜组移动改变正、负傅里叶变换系统的距离，用软件比较CCD上两个波峰的间隔是否变化来对CCD进行定焦。
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