孔径

Then, based on the bifurcating points extracted from thinning image, the application of the weighted Hausdorff distance algorithm to image matching can overcome the effect of speckle noise in the synthetic aperture radar image.

同时，基于细化后提取出的分支特征点，应用加权Hausdorff距离算法进行图像匹配，克服了斑点噪声对合成孔径雷达图像匹配的影响。

X-ray ,which is excited from the X ray tube, has one wavelength scope, that is energy scope. According to the elements to be analyzed, X ray is choused by filter, and reach the sample. Atoms in the sample will absorb the X ray energy and the decay to emit the special x ray. The X ray will be collected by the collimator into the detector active area, and transferred into electron signal, the signal also will be processed in to energy spectrum and related concentration data by pulse processor with software.

从X光管通过激发Excitation发射出来一定波长范围也就是说一定能量范围的X射线，结合所需要分析的目标元素，使用滤光轮选择对应的能量范围的X射线，照射到样品上，样品中含有的元素原子电子受到激发会发射出其特征的X射线，同样通过Collimator准直器收集一定孔径的X射线进入到检测器Detector，检测器将感应到的X射线转换为电信号，电信号经过脉冲处理器Pulse Processor结合软件进一步将电信号转换成为能谱图以及相关浓度信息。

The effects of kinetic factors of phase separation, such as coarsening time and quenching temperature, on the microporous membranes were studied.

结果表明，在相同粗化时间的条件下，随着LDPE/DPE体系冷却温度的逐渐升高，孔径逐渐变大。

The results shown that the surface was covered and the pores were blocked obviously for the coked catalysts, the specific surface area and pore volume lost greatly, pore size distribution shifted to small pore end.

结果表明，结焦催化剂表面积炭沉积和孔道堵塞现象严重，比表面积和孔容大量损失，孔分布向小孔范围迁移，催化剂孔径越小，损失越严重。

The optical element focuses the collimated light onto the aperture of the optical fiber.

光学元件将准直的光聚焦到光纤的孔径上。

Focusing on offering an accurate and convenient evaluating method in edge-location algorithms, it first presents the method to obtain gray value of elliptical shape edge based on square aperture sampling, then convolutes the image with a Gauss filter and adds noise to the pre-processed image with the same intensity calculated in real image.

针对评价边缘检测算法精度时没有合适的评定标准的问题，首先根据方形孔径采样定理，详细说明了椭圆形状边缘灰度的求取方法，然后以真实拍摄图片为标准，对图像进行了高斯模糊和噪声的添加，形成最终的模拟图像。

The point spread function and optical transfer function is the basis for optical synthetic aperture design and optimization. The imaging of complex objects can be obtained by the object function convoluting with the point spread function.

在空间域从理论上分析光学综合孔径成像系统的点扩散函数，对复杂目标的成像通过目标函数与点扩散函数的卷积求得，点扩散函数决定了成像质量。

After copolymerized with acrylic acid and 2-acrylamido-2-methylpropanesulfonic acid, LLC hydrogels were modified with COOH and SO3H, respectively.

与普通水凝胶相比，以溶致液晶为模板合成的溶致液晶型水凝胶孔径更加的小而均匀。

The applied results of the ceramic membrane technology show that the maximum flow is obtained for the green tea extraction with the ceramic membrane of 0.2 m pore size, the solids and high-molecule substances are cut off to different degrees, the appropriate operating conditions for the process obtained are respectively 0.3 MPa for transmembrane pressure and 45 C-50 C for temperature, dialyzing the pore size of membrane with deiron water is of advantage for the recovery of flow flux in the later process, cleaning it with NaOH and NaClO can also recover the flow flux obviously after the operation.

对无机陶瓷膜技术的应用研究表明：选用0.2μm膜孔径的陶瓷膜在微滤过程对茶叶浸提液的膜通量最大，并对其固形物和大分子物质有不同程度的截流，合适的微滤操作条件为压力差为0.3MPa、温度为45℃—50℃，操作后期用水透析有利于膜通量的恢复，操作完成后用NaOH和NaClO清洗膜对膜的通量恢复较为明显。

SAR is a kind of high resolution radar and it will be influenced by the atmosphere disordering behaved as the random changing of the three angles such as drift,roll and pitch.

合成孔径雷达是一种高分辨率的主动式微波成像雷达，它通过天线向目标发射微波，经目标反射的回波携带有目标的表面信息，经信号处理机处理后可在显示器上成像。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。