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- optical Fourier transform 光学傅里叶变换
- 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。
- Research on all fiber optic Fourier flat-top Interleaver[J]. 引用该论文 史磊;向望华;胡鸿璋;林林;耿凡.
- Fractional Fourier transform of hard-edge apertured and misaligned Lohmann's optical system[J]. 引用该论文 于永江;陈建农;王德法;郝金光.
- Fourier transform lens is key operating element in optical information processing system. 在光学信息系统中,傅立叶变换透镜是关键的运算部件。
- Study on the Serial Multiplex of Optical Fiber Fabry-Perot Strain Sensors with Fourier Transform[J]. 引用该论文 陈伟民;朱永;唐晓初;符欲梅;王宁;陈雨森;文玉梅;黄尚廉.
- Demodulation of the Optical Fiber Fabry-Perot Sensor Based on Fourier Transform[J]. 引用该论文 章鹏;朱永;唐晓初;陈伟民.
- Couplers are key components in an optical fiber Fourier transform spectrometer (FFTS). 光纤耦合器是全光纤傅里叶变换光谱仪(FFTS)的关键元件。
- 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.
- A new optical image encryption method using dissymmetrical fractional Fourier transform and double random phase encoding was presented. 提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
- In recent years, the fractional Fourier transform (FRT) was presented and has attracted a lot of attention for the optical information processing. 基于分数傅里叶变换,有人提出了分数相关和联合分数相关器。
- The watermark can be retrieved by using either optical or digital Fourier transform on halftone images containing the watermarked information. 水印的提取过程只需对含有水印信息的半色调图像进行光学或数字的傅里叶变换即可完成。
- The microstructures and optical properties of the films are characterized by a prism coupler,a Fourier transform infrared spectroscopy (FTIR) and an Atom Force Microscopy (AFM). 研究了薄膜折射率和淀积速率与工艺参数之间的关系,通过棱镜耦合仪、傅立叶变换红外光谱、原子力显微镜、扫描电子显微镜等测试手段,分析了薄膜的结构和光学特性。
- 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。
