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
- We have studied the properties of the dynamic partially coherent speckles in the Fresnel and Fraunhofer diffraction regions.
研究了菲涅耳衍射区和夫琅和费衍射区动态部分相干光散斑的特性。 - 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； - Theory and experiment of a new image encoding technique using speckles modulated by different slit pupil function are described.
本文提供了用不同方向的狭缝构成的光瞳函数来调制散斑作图象编码的原理和实验结果。 - Two transverse wave probes with apertures in different size were used to measure the sound intensity of the SV wave speckles in the experiment.
在实验中，应用了两种不同孔径尺寸的横波探头对SV波的散斑声强进行测量。 - Conclusion The phenomena of bio speckles can be used as a new method in the research on vasomotion.
结论生物散斑现象可作为研究微血管自律运动的新方法。 - 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。 - 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； - Digital holography acquires intensity and phase of the measured object simultaneously through digital reconstruction, but laser speckles effect during recording and zero-order diffraction speckle in reconstruction became the bottleneck of the method.
数字全息是通过数字重构来同时获取被测物强度与相位，但记录时的激光散斑效应和重构时的零级衍射斑成为了这种方法的瓶颈。 - 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。 - Depressing the speckles has always been one of the most key subjects of ultrasound imaging technology home and abroad.
对散斑噪声抑制技术的研究一直是国内外超声成像技术的重要课题之一。