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- double Fourier transform 雙重Fourier變換
- A Fourier transform does this, but with waves. 傅立葉變化就是這樣,但是它是按照波的情況。
- The paper presents encrpytion techniques of double random phase based on anamorphic fractional Fourier transform. 提出變形分數傅里葉變換雙隨機相位編碼技術。
- A new optical image encryption method using dissymmetrical fractional Fourier transform and double random phase encoding was presented. 提出了一種利用不對稱分數傅里葉變換和雙隨機相位編碼對圖像加密的方法。
- Using discrete Fourier transform for interpolation of 3-D MT data. 用傅氏變換實現三維MT數據的插值
- The discrete fourier transform (DFT) exists the errors. 摘要離散傅立葉變換(DFT)存在誤差。
- Windowed Fourier transform for 3 - D shape measurement[J]. 引用該論文 付艷華;陳文靜;蘇顯渝.
- double Fourier transforms 雙重傅立葉變換
- The characteristic analysis of hololens Fourier transform[J]. 引用該論文 王紅霞;盛兆玄;趙瑋;李育新.
- Analysis on an Improved Fourier Transform Profilometry[J]. 引用該論文 毛先富;陳文靜;蘇顯渝.
- Some interpolated Discrete Fourier Transform (DFT) methods are analyzed. 本文首先討論並分析了各種插值DFT(離散傅里葉變換)演算法,然後提出了一種實正弦信號的快速插值頻率估計方法。
- Fractional Fourier transform of apertured paraboloid refracting system[J]. 引用該論文 陳建農;閆金良;王德法;於永江.
- We use Fast Fourier Transform arithmetic to calculate two seriate images. 在相鄰兩幀圖像上,找出相關度最大的兩個小區域,用它們之間的距離除以兩次拍攝之間的時間間隔,就得到這個小區域在間隔時間內的平均速度,進而得到整個流場的速度分佈。
- Some applications of the fast Fourier transform to the polynomial calculation. 多項式計算當中快速傅立葉變換的應用。
- In this paper, the finite double Fourier mixed transforms are applied to solve the nonhomogeneous boundary value problems of the wave, heat conduction, Laplace and Poisson equations. 本文用有限的二重傅里葉混合變換解波動方程、熱傳導方程、拉普拉斯方程以及泊松方程的非齊次邊值問題。
- Amulti-mode solution is presented in the form of generalized double Fourier series with time-dependentcoefficients determined by the method of harmonic balance for undamped free vibrations. 給出了以廣義雙富里哀級數表示的無阻尼自由振動下的多模態解,其中與時間相關的係數由諧波平衡法確定。
- Fractional Fourier Transforms for Cosh-Gaussian Beams[J]. 引用該論文 陳天祿;吳平.
- In this paper, a pulsar de-dispersion algorithm based on the Short Time Fourier Transform (STFT) is presented. 摘要敘述了一種基於短時傅立葉變換的脈衝星消色散演算法。
- The discrete Fourier transform (DFT)and discrete Hartley transform(DHT) can be considered as special cases of DYT. 常用的離散傅里葉變換(DFT)、離散哈特萊變換(DHT)均可視為DYT的特例。
- Unit for Real Fast Fourier Transformatio - Unit for Real Fast Fourier Transformation. 實時快速傅立葉變換的模塊。