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- discrete inverse Fourier transform 离散傅里叶逆变换
- Step 5: According to the sound spectrum, inversion of time-domain graphics. (With distortion) Step six: to carry out inverse Fourier transform frequency domain IFFT and painted graphics. 步骤五:根据该声音的频谱,反演时域图形 。(有失真) 步骤六:进行付立叶逆变换IFFT并画频域图形 。
- Single-lens Implementation of Fractional Inverse Fourier Transform 光学分数傅里叶逆变换的单透镜模式
- Non-lens Implementation of Fractional Inverse Fourier Transform 光学分数傅里叶逆变换的无透镜模式
- Utilizing the measured data of the phases and the amplitudes, several objects (Arabic numerals) have been reconstructed by digital inverse Fourier transformation and the results are agreeable with the input objects. 利用测到的位相和振幅数据,作为物函数的几个阿拉伯数字被逆数字傅里叶变换反演,其结果与输入物函数一致。
- Single-lens Optical Realization of Fractional Inverse Fourier Transform 分数傅里叶逆变换的单透镜光学实现
- inverse Fourier transform 傅里叶逆变换,逆傅里叶变换,反傅里叶变换
- A Fourier transform does this, but with waves. 傅立叶变化就是这样,但是它是按照波的情况。
- Aapproximation of Fourier inverse integral using Fourier transform approximation for amplitude of harmonics in a finite Fourier series summation. 富氏级数中之谐波成份以富氏转换近似并以有限级数和近似富氏逆转换。
- This paper describes a new method which uses IDFT (Inverse Discrete Fourier Transform) technique to do time domain near field measurement for antenna. 本文提出了一种利用离散付立叶反变换(IDFT)技术完成天线的时域近场测量的方法.
- This paper present the implementation of a 64-point, a 256-point and a 1024-point(I)FFT ((Inverse) Fast Fourier Transform) with 16-bit complex data precision suitable for OFDM. 摘要提出了一种64点,512点和1024点(I)FFT((逆)快速傅里叶变换)的硬件实现方法,适合应用在正交频分复用(OFDM)系统中,实现时采用了16位精度的复数来表示输入输出数据。
- Using discrete Fourier transform for interpolation of 3-D MT data. 用傅氏变换实现三维MT数据的插值
- The discrete fourier transform (DFT) exists the errors. 摘要离散傅立叶变换(DFT)存在误差。
- Windowed Fourier transform for 3 - D shape measurement[J]. 引用该论文 付艳华;陈文静;苏显渝.
- The characteristic analysis of hololens Fourier transform[J]. 引用该论文 王红霞;盛兆玄;赵玮;李育新.
- Analysis on an Improved Fourier Transform Profilometry[J]. 引用该论文 毛先富;陈文静;苏显渝.
- In this paper, some rules about the excitation of full wave analysis are given and also the bandwidth for inverse Fourier transfer in calculating impulse responses of time domain modes are discussed. 讨论了全波时域方法求解时域模函数时域响应时激励函数的选取原则 ;讨论了用傅里叶反变换求解时域模函数冲击响应时频带宽度的选取问题 .
- Some interpolated Discrete Fourier Transform (DFT) methods are analyzed. 本文首先讨论并分析了各种插值DFT(离散傅里叶变换)算法,然后提出了一种实正弦信号的快速插值频率估计方法。
- Fractional Fourier transform of apertured paraboloid refracting system[J]. 引用该论文 陈建农;闫金良;王德法;于永江.
- We use Fast Fourier Transform arithmetic to calculate two seriate images. 在相邻两帧图像上,找出相关度最大的两个小区域,用它们之间的距离除以两次拍摄之间的时间间隔,就得到这个小区域在间隔时间内的平均速度,进而得到整个流场的速度分布。