查询词典 projection

For decreasing the calculation amount of angle functions for obtaining projection address, the trigonometric functions' values are calculated in advance and stored into a table which can be indexed if needed.

反投影时为了减少求取投影地址时三角函数的运算，将三角函数值事先求得并存到查找表中，需要时调用。

By applying the smoothed particle hydrodynamics method to the detonation driving plate problems, a clear wave structure in the metal plate and the varying process of the projection angle were obtained.

将光滑粒子法(smoothed particle hydrodynamics method， SPH)应用于金属平板爆轰驱动过程的数值模拟，得到了炸药与金属相互作用的清晰的图像和平板抛射角的变化。

The X-ray imaging observation and the localized velocity structure favor such a bound-incoming model that these two clusters, with a true spatial separation of about 6.4Mpc/h, are moving together with a relative velocity of 664 km/s along the direction with a projection angle of 71.5 du.

近来的X-ray成像观测以及局域速度结构支持这样一种束缚塌缩模型：两星系团的真实空间距离约为6.4Mpc/h，其投影角为71.5度，并正以大约664千米每秒的相对速度靠近。

Figure 15 after the installation of projection angle control agencies, supplemented by the net back propagation algorithms, mobile robot path, projected position and hit the target or diagram (circular icon that hit the target location, location triangle icon that did not hit the target)...

图15 加装投射角控制机构后，并辅以经网之倒传递演算法则，机器人移动径，投射位置与命中目标物与否示意图(圆形图示位置表示命中目标物，三角形图示位置表示未命中目标物)。。。。

Feature of principal lines spatial distribution: detect the principal lines through edge detecting technology, and then divide the image of palmprint into blocks with same dimension, compute the mean and variance as feature; Feature of palmprint direction: divide the image into sub-images; compute the max angle of projection and coordinate of each sub-image, which stand for the direction and location of the line on the palm; Feature of moment invariants: compute the moment invariants of each sub-image and the whole image as feature.

掌纹主线空间分布特征：利用边缘检测技术检测出掌纹的主线，将图像分割成相同大小互不重叠的子图，提取每一个子图的均值和方差作为特征；掌纹线方向特征：将图像分成不重叠的子图，利用Radon变换求出每一个子图的最大投影角度和坐标，也就是子图内掌纹线的方向和位置，构造特征向量；掌纹不变矩特征：提取图像整体和分割后的子图的不变矩作为特征。

To estimate the effect of three differentapproaches on operative exposure by measuring the distance between rear part ofposterior semicircular canal and anterior margin of the sigrnoid sinus at the level oflateral semicircular canal,exposure areas of posterior fossa,operative angle of visionand residual lateral projection area of drilled semicircular canal.

3另9例尸头标本行迷路后入路、PLPA入路及经迷路入路，测量外半规管水平半规管后端与乙状窦前缘的距离、后颅窝暴露面积、手术视角及残留半规管的侧方投影面积，评价三种不同手术方式对手术暴露的影响。

Convert relationship of prototype robot joint angle and equivalent model joint angle is presented based on the method of kinematics inverse solution. The Jacobian algorithm of redundant robot for achieving effective joint excursion is studied, which is fit for digital calculating. The grads projection algorithm of redundant robot multi optimizing capability function's proportion factor is deduced. The issues of apery arm robot singularity and joint self-movement are researched. The simulation experiment result of apery arm joint self-movement and line movement is presented.

因为七自由度拟人手臂机器人的建模比较困难，采用了在等效模型下求解其运动学逆解的方法，给出了原机器人机构关节角与等效模型关节角之间的转换关系；提出了一种适于数值计算的有效的求解有关节偏置的冗余度机器人Jacobian的算法，并在此基础上推导了冗余度机器人多优化性能指标函数的均衡比例因子梯度投影算法；研究了拟人手臂机器人的奇异问题和关节自运动问题；给出了拟人手臂进行关节自运动和进行直线轨迹跟踪的仿真实验结果。

The actual wellpath profile is supposed to be drawn using vertical depth and apparent projection length.

其实钻井眼轨迹剖面图应该是用垂深和视投影长度绘制。

An arc lamp illuminator for a projection system includes one or more polarization conversion prisms to laterally spread the arc image.

用于投影系统的一种弧光灯照明器包括一个或多个偏振变换棱镜，用于横向扩展弧光影像。

Then, we use the pattern method to represent the cube projection on Platonic solids, Archimedean solids and Catalan solids, and observe their dynamic variations.

在第二章至第五章，我们用切割的方法做出正立方体在正多面体、阿基米德多面体、卡塔兰多面体上的投影，并观察其动态变化。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。