speckle pattern

Real& time Interval Technique on Electronic Shearing Speckle Pattern Interferometry

电子错位散斑的实时时间差技术

A method of suppressing interference speckle pattern on the plane of target produced from the segmented wedge array ( SWA) line focussing system is investigated.

研究了一种用以抑制光楔列阵线聚焦系统在靶面产生的干涉尖峰的方法。

The digital speckle fringe pattern is modulated by spatial carrier in large-shearing electronic speckle pattern interferometry ( ESPI). The carrier is introduced by rotating the reference plane a small angle.

将电子散斑干涉场的载波调制引入到大剪切电子散斑干涉中，通过对参考物的微小偏转引入载波条纹；

The time-averaged speckle pattern of vibration can be described as a zero-order bessel function by high frequency modulation.

用数字散斑干涉术时间平均法测得的物体表面稳态振动，可描述为受高频分量调制的零阶Bessel函数。

Investigation on Bulge Deflection Measurement of Porous Alumina Membranes using Temporal Sequence Speckle Pattern Interferometry

氧化铝多孔膜变形的时间序列散斑干涉法检测

The development and applications of the electronic speckle pattern interferometry ( ESPI ) for vibration measurement are reviewed.

综述电子散斑在振动测量中的发展和应用,对 电子散斑 测振的各种方法进行评价.

Application of electronic speckle pattern interferometry in thermal expansion coefficient measurements

用电子散斑干涉法测量材料热膨胀系数

For example, in holographic imagery the speckle pattern corresponds to troublesome background noise.

例如, 在全息照相中,斑纹图样相当于讨厌的背景噪声.

A statistical noise model of speckle pattern and an adaptive filtering approach

一种散斑模式的噪声统计模型与自适应滤波方法

Electronic speckle pattern normalized cross-correlation method for displacement measurement

电子散斑归一化互相关法测位移

The authors have derived the space-time correlation functions of complex amplitude and intensity fluctuations for far-field diffraction region, with which the statistical properties of time-varying speckle pattern could be described completely.

推导出远场时变散斑振幅涨落及光强涨落的空-时相关函数，它们完整地描述了远场时变散斑的统计性质。

When the Speckle Interferometry or the Electronic Speckle Pattern Interferometry ( ESPI) is applied to measure the continuous movement or deformation of an object, a temporal speckle interference field will occur.

散斑干涉或电子散斑干涉（ESPI）计量应用于连续运动或变形物体时，就会产生一个时变的散斑干涉场。

Representation Method of Correlation Fringe in Speckle Pattern Interferometry Based on Cross-Entropy

斜纹图案，斜纹花型，斜交式图案散斑干涉相关条纹的交叉熵表征方法