查询词典 angular aperture

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。

The main research works of the project are focused on the ball track with a big curvature concave cambered surface, especially the fundamental theory, method , mechanics, and process parameter optimization about ultra-precision abrasive band polishing for ball track of inner aperture.

本项目主要研究轴承滚道这种大曲率凹弧面，尤其是针对内孔滚道的超精密砂带研抛的基础理论、方法、机理及工艺参数优化。

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。

Wide-aperture and highly collimated light beam is needed in Ladar and correction of spectrum apparatus.

在激光雷达以及光谱仪定标时常常需要较宽以及高准直性的激光光束。

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。

The lower leg is represented by the medial crura whereas each upper leg consists of a lateral crural complex based bilaterally on the piriform aperture.

下方的腿代表的是内侧脚，同时上方两条腿则代表双侧的梨状孔上的外侧脚复合体。

The results show that diffraction of different intensity, in other words, the radius of the circular aperture apparently influences on the distribution of the normalized light intensity of the diffracted beam and its propagation law.

结果表明：不同强度的衍射即圆形光阑半径的大小明显影响衍射光束的归一化强度分布及其传输变化规律。

The description of a plane wave diffracted by a circular aperture is directly started from the Maxwell's equations.

平面波经圆孔光阑衍射的表征是直接基于麦克斯韦方程组。

The design scheme was also disserted as the system using the capacitance sensor to measure the aperture of small holes.

论述了小深孔内径电容式测量方法的基本原理，设计了电容式深孔内径测量仪测量小深孔孔径系统的总体方案。

My father is over 60 years old, and he lifts weights every day.

我爸爸六十多岁了，他每天都练习举重。

Then in a serious tone she declared:"It doesn't pay, dear boy, to look like a ninny with one's wife the first night."

两眼湿润了，她把身子蜷得很小，这样似乎可以更好地闻闻自己。