After processing the amplitude image and phase image which was come from experiment we obtain the distribution of the velocity and attenuation.
通过实验获得了声相位图与声幅度图，并通过数字图像处理获得了相应的速度图与衰减图。
The computation simulation results show that in confocal optic system this mask can change the point amplitude response. It can improve the resolution, while increase the image contrast.
模拟计算结果表明，在共焦系统中利用该掩模可以改变系统的点振幅响应，从而提高分辨率，并增强图像的反衬度。
To detect the forged parts in a single image with copy-move attack, an autocorrelation detection method based on phase and amplitude spectrum of FFT is proposed.
针对一类单幅图像的复制遮盖篡改，提出一种基于快速傅立叶变换相位和幅度的自相关检测算法对篡改部位进行检测。
The grey digital image transformed from seismic amplitude slice has fractal character.
地震振幅数据沿层切片转化的灰度数字图像，具有很好的分形性质。
This is a constant - amplitude wave which is essentially the same on the conjugate image plane.
这是一个振幅恒定的波，在共轭的象平面上也是如此。
The space frequency distribution on rear focal plane restores to the distribution of complex amplitude on image plane.
后焦面上的频率分布还原成像面上的光场复振幅空间分布。
This algorithm is controled by the amplitude uniformity of encrypted image rather than comparing the original image encrypted with calculated result.
该算法迭代过程中不再与被加密的原始图象进行比较，而是用加密图象振幅分布的均匀性控制迭代。
Conventional analysis of ISAR image is based on image intensity or amplitude information and disregards its phase information. This will result in theoretical resolution can't been obtained.
传统的雷达高分辨率ISAR图像分析都是基于图像幅度或强度信息，丢弃了相位信息，从而使实际雷达分辨能力达不到理论分辨水平。
The position of the image and the amplitude variation in the optical field are associated with the focus and the distance from the object to the front focal plane of the lens system.
象的空间位置和光场振幅的变化与透镜系统的焦距以及物体距焦平面的位置有关。
This is a constant-amplitude wave which is essentially the same on the conjugate image plane.
这是一个振幅恒定的波，在共轭的象平面上也是如此。
Intensity space distribution near image point of optical system is derived based on the accurate amplitude (therefore the intensity) analytic expression for Fresnel diffraction.
根据准确的菲涅耳衍射振幅和光强解析表达式推导出光学系统像点附近的光强空间分布。
In the far-field, the further object scanned by FZP with fewer fringes has flatter and lower amplitude of twin-image noise for reconstructed image.
满足夫琅和费远场条件的两个物体，z值大的物体将被环数少的菲涅耳波带板扫描，具有小而平直的孪生像噪声振幅；
High speed digite vedio and image processing were used to analyze the effects of the non-dimensional velocity and the flag aspect on its kinematics, flapping frequency and amplitude.
利用高速摄影和图像处理技术分析了来流速度和展长比对旗帜运动学特征（频率和振幅）的影响规律；
The present method is achieved with an amplitude gray-scale spatial light modulator (SLM) as the image input device and based on double exposure holographic phase-shifting interferometry.
像元结构对输入图像的抽样使联合变换功率谱和相关输出是空间周期性重复的。
The radial distribution of phase and the amplitude of complex permittivity for cylinders are given with the loss tangent values retrieved statistically from the reconstructed image matrix.
文中给出了介质圆柱的二维径向分布曲线以及由重构图象矩阵中统计回收计算出的介电常数损耗。
The radial distribution of phase and the amplitude of complex permittivity for cylinders are given with the loss tangent values retrieved statistically from the reconstructed image matrix.
文中给出了介质圆柱的二维径向分布曲线以及由重构图象矩阵中统计回收计算出的介电常数损耗。
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