查询词典 speckle

Noise reduction is one of the most exciting problems in electronic speckle pattern interferometry.

去除噪声是电子散斑干涉测量技术的研究热点之一。

Some disturbance internal secretion's medicine, like the contraceptive and so on may cause the yellow speckle.

一些干扰内分泌的药物，如避孕药等均可引起黄褐斑。

Speckle noise is an intrinsic property of InSAR interferograms,and InSAR interferograms are sensitive to it.

相干斑噪声是InSAR干涉图固有的，且InSAR干涉图对相干斑噪声十分敏感，为了得到精度更高的干涉测量产品，需要对干涉图进行相干斑噪声滤波。

Based on region segmentation, this paper adapt a new change detection technique that make use of region likelihood ratio.

针对传统基于像素的变化检测方法受speckle噪声影响严重的问题，在区域分割的基础上，提出似然比检测的方法，获得了良好的检测结果。

Based on the gray level co-occurrence matrix, moment of inertia, entropy, angle second moment of laser speckle, the texture of images is analyzed.

介绍了激光散斑的形成及其统计性质，拍摄大量不同加工工艺、不同表面粗糙度标准样块的散斑图像，基于激光散斑图像的灰度共生矩阵及惯性矩、角二阶矩、熵、相关性4个参量，对图像进行了纹理分析。

Speckle: A printing defect occurred in photogravure.

白点：照相凹版的一种印刷故障。

The thesis starts with literature survey, analyzes the requirement put forward in special dynamic condition, demonstrates research advancement in modern flash ranging mechanics, selects digital speckle correlation measurement, which has low requirement for measuring condition and object's surface photology condition, with fine resolution power, has prospect of non-contact measurement, develops the ZM-DF-1 dynamic displacement and frequency measurement system.

较充分地论证了现代光测力学领域中主要方向的研究进展，选择对测量环境和对象表面光学条件要求不高，分辨力强、有实现非接触测量前景的数字散斑相关测量方法，开发ZM-DF-1型动态位移与频率测量系统。

Analysis of affecting factors on surface roughness measurement based on polychromatic speckle elongation.

基于多色散斑延长效应的表面粗糙度测量及影响因素分析。

Based on the cutting experiments used by cutter tooth and point-attack pick on the press and cutting simulation test table,the deformation and failure process of coal body are studied by the method of white light digital speckle correlation.

采用白光数字散斑相关测定方法，在压力机上，在截割模拟实验台上分别对煤试件进行刀齿、镐齿的截割实验，研究被截割煤体的变形破坏过程。

A relationship of the roughness parameters of diffusing surface strongly depend on the space correlation function of quasi—ideal imagine system has been confirmed and a new method for evaluating roughness has been proposed. In Chapter 4, the statistical properties of superposed dynamic speckle from a rotating diffuser have been investigated under double Gaussian—beam illumination.

同时，本章还证明了准理想外差成像系统动态散斑的空间相关与表面粗糙度参数之间有很强的依赖关系，在此基础上提出了一种新的工程表面粗糙的测量方法和计算机仿真的结果。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。