speckles

英 [ˈspɛklz]

美 [ˈspɛkəlz]

n.  斑点; 色斑
speckle的第三人称单数和复数

双语例句

• The common measurement with speckles contain the tradition speckle photography 、 the speckle interferometry and the speckle correlation technique.
  目前的散斑测量方法有传统的散斑照相技术、散斑干涉技术、散斑相关测量技术。
• Consequently, the spatial motion formulas of ultrasonic speckles are obtained.
  由此得到超声散斑的空间运动公式。
• Removing Speckles of SAR Image Based on Partial Differential Equation and Wavelet Decomposition
  基于PDE和小波分解的SAR图像去噪研究
• As a coherent digital holographic imaging method, the speckles noise degrades the image quality.
  数字全息作为一种相干成像方法，散斑噪声严重影响其成像质量。
• Different sizes of speckles under the conditions of different distances and displacements are investigated in this paper. The influence of the speckle size on measure precision is analyzed.
  通过选取不同颗粒尺寸大小的散斑场针对不同距离，不同位移情况下进行了实验研究比较，给出了散斑颗粒尺寸大小对测量精度的影响。
• By choosing the proper extended incoherent light source and by adjusting the parameters of the optical setup, we have observed experimentally the partially coherent speckle in the Fresnel and Fraunhofer diffraction regions. Then we study qualitatively the movement and the boiling of the speckles.
  通过适当选择光源和调整光路参数，在实验上得到了菲涅耳和夫琅和费衍射区的部分相干光散斑，对夫琅和费面上的动态部分相干光散斑的平移和沸腾现象进行了定性研究；
• For atmosphere turbulence and speckles, their separate and joint effects are researched by using the probability density function and variance of the laser signal intensity;
  对于大气湍流和目标斑纹，以光强的概率密度函数和归一化方差的形式研究了二者单独作用以及联合作用对激光回波强度的影响；
• A method based on average of multiple CGHs to eliminate the speckles in reconstruction is presented.
  本文提出了减少计算全息再现散斑的多图象平均方法。
• In this method, the edges and the textural features of the SAR images are presented so the the problem of edge smearing in the normal filtering algorithm is avoid and the speckles are filtered effectively.
  此方法使处理后的SAR图像既保存了边缘和纹理结构，避免了以往滤波器中使边缘变模糊的问题，又有效地滤除了相干斑噪声。
• Experimental study on phase vortices of speckles and their propagation properties
  散斑场相位涡旋及其传播特性的实验研究