pin-hole
英 [pɪn həʊl]
美 [pɪn hoʊl]
网络 针孔; 针孔镜头; 小孔; 销孔; 有针孔
双语例句
- By puffing cryolite powder into the mold, we can effectively prevent the subsurface pin-hole to ensure the quality of the product.
铸型内撒上冰晶石粉等工艺措施后，有效地防止了皮下气孔的产生，保证了产品质量。 - The paper analyses the causes of glazed tile pin-hole, and makes some measurements to so; ve this problem.
本文分析了釉面针孔产生的原因并提出了几条解决措施。 - In this paper, the computation principle and method of Pin-hole displacementcorrelated with load for military girder structure system are presented.
对军用梁结构体系，提出了与荷载相关的销孔位移计算原理及方法。 - Analysis on Pin-hole Defect of Sputtering Film on Plastic Matrix Pretreated in Non-filtered Air Chamber
非过滤空气环境下塑料基片溅射膜层的针孔缺陷分析 - Computation of Pin-hole Displacement for the Military Girder Structure System
军用梁结构体系销孔位移的计算 - The boundary element method is used to analyze the influence of pin con-tact angle and pin-hole radius on the potential function of compact tensile specimen under three current input types.
本文用边界元法对销钉接触角及销钉孔半径对三种电流输入方式下紧凑拉伸试样的电位函数影响进行了分析。 - In Chapter 2, the following aspects are introduced in detail: the camera's pin-hole model, its distortion model, modified DLT algorithm, the programming, calibration performance of index and the designing of the experiment.
在第二章里，对摄像机针孔及其畸变模型、直接线性变换（DLT）改进算法、程序设计、定标性能指标等几方面的内容都做了详细介绍； - The effects of additional friction between pin and pin-hole and of the height of pin over the press-plate surface on the practically measured values was taken into account and their corrections were made in the computation.
在计算中，考虑了测针与针孔壁间的附加摩擦力，以及测针端部凸出压板表面的高度对实测结果的影响，并分别进行了修正。 - Secondly, perspective projection matrix is computed with camera calibration based on pin-hole model. The experiment result and the auto-calibration precision was provided at the same time.
基于针孔模型的摄像机定标，计算透视投影矩阵；采用线性最小二乘算法求解摄象机透视投影矩阵.同时介绍了实验系统，给出了实验结果和精度。 - This paper presents the new view formula that the sphere pin-hole camera model produces in the warping equation, and the process of specific speculation.
论文给出了球体针孔摄像机模型在warping方程中生成新视图的公式，以及具体推导过程。 - Study On A Pin-Cycloid Gear Planetary Drive With A Pin-Hole Translation Mechanism
孔销式针摆行星传动研究 - Based on the pin-hole camera model with one order radial lens distortion, two-step method of RAC is described to calibrate parameters of camera, and is validated on line.
考虑透镜的径向一阶畸变，采用RAC两步标定法标定摄像机参数，并在线对该文的方法进行了验证。 - The mathematic model of 3D vision inspection based on circle structured light is established successfully using camera's pin-hole model and coordinate transformation, and the parameters of the mathematic model are also optimized.
在此基础上，采用摄像机针孔成像模型和坐标变换，建立了圆结构光三维视觉检测通用模型及简化模型，并对检测模型结构参数进行了优化和仿真研究。 - In the thesis, many efforts are made on the study of the linear camera calibration technique, which is based on pin-hole imaging model and at last a simple and feasible camera calibration technique is determined according to the experience.
摄像机标定是视觉系统不可缺少的一个组成部分，在本文中我们研究了以针孔模型为模型的线性摄像机标定技术，并根据经验确定了简单且可行的摄像机标定技术。 - This paper introduces the structural characteristics of the piston that meets Euro-III emission regulation of diesel engine on combustion chamber, ring grooves, outside diameter profile, pin-hole shape, cooling gallery shape etc.
本文从活塞燃烧室、环槽、外圆型线、销孔形状、内冷油腔形状等方面介绍了满足欧III柴油机排放要求的活塞结构特点。 - The reason that the pin-hole tested vision was lower than the refraction corrected vision was probably related with the high hyperopia and myopia.
针孔视力小于矫正视力的原因可能与远视和近视的程度偏高有关。 - Furthermore, as for the fork blade roots, a simplified contact model is put forward and according to the calculation results, a more reasonable pin-hole load distribution model is given in this paper.
另外，对叉型叶根，文中提出了一种简化的接触模型，并根据计算结果给出更合理的销钉孔载荷分布拟合公式。 - This paper analyzes the property of dispersivity clay, introduces the experimental instrument 、 the method of pin-hole experiment of decision dispersivity clay and its decision.
分析分散性粘土的性质，介绍判定分散性粘土的针孔试验的试验装置、试验方法和分散性粘土的判定。 - The Study of A New Type Pistol Non-circular Pin-hole NC Boring System
新型活塞异型销孔数控镗削技术的研究 - The fatigue incidental bar specimen and imitation specimen of the critical site aside turbine disk pin-hole were designed.
分别设计了涡轮盘销钉孔附近危险区域&维疲劳伴随试棒和考虑应力梯度影响的模拟试件，并确定了低周疲劳试验方案及参数； - On the base of perspective theory and graphic knowledge, inferring and constructing camera model ( pin-hole model) to determine geometry local of some feature points in world and its coordinate on the of the camera.
以透视理论为基础，根据计算机图形学的知识，推导并建立了决定空间武汉理工大学硕士学位论文物体某点的几何位置与该点在采集图像上相应位置关系的摄像机模型，即针孔模型； - Analyzed how the parameter of three pin-hole affect the location of optical vortices.
分析了三个小孔的初始参量对所生成光学涡旋分布的影响。 - And the material of the pin-hole plate is easily burned. As a hard-edge diaphragm, the low-frequency diffractive rings are likely to appear.
针孔板的材料容易被激光烧蚀，作为硬边光阑，针孔容易形成低频衍射环。 - The piston non-circular pin-hole can reduce the centralized stress and improve the load capacity of pin-hole effectively, and the work life of piston is also extended.
将活塞销孔设计为异形销孔可有效降低销孔应力集中，提高销座的承载能力，延长活塞的使用寿命。 - Subsequently, a distance estimate system is developed to measure the distance between the underwater target and the camera mounted on the Autonomous Underwater Vehicle ( AUV). Pin-hole model is investigated to work in both a single frame and a sequence.
距离估算系统中，应用针孔模型在单帧图像和视频序列中进行距离测量，获得目标物体与水下机器人之间的相对距离。 - Piston is a key component of internal combustion engine, and usually its pin-hole has been designed to be non-cylindrical bore with trumpet and oval to improve stress condition and extend the service life.
活塞是内燃机的关键零件，为了改善活塞销孔应力状况，延长活塞使用寿命，通常将其销孔设计为带喇叭形或椭圆形的非圆柱孔。 - The localization model combines the pin-hole camera model and the physical link model of robots, and can localize the object precisely.
定位模型将摄像机成像模型与机器人位姿模型相结合，对目标物体进行定位。 - The key technique of boring pin-hole is to obtain the controllable and high frequent radial micro-motion while the boring tool is turning quickly with spindle.
镗削异形销孔的关键是在镗刀高速旋转的同时实现镗刀的径向可控高频位移，这对微进给机构提出了更高的要求。 - The mathematical model was based on the pin-hole imaging model and the geometrical relationship, which had more fast computing speed and high-accuracy measurement.
通过基本的针孔成像原理和几何关系建立数学模型，算法简单，特征参数数量少，计算速度快，测量精度高。 - The combination of lens and pin-hole has the performance to limit the enhancement of the output power of the laser.
透镜与针孔的组合，起到了限制提升激光器输出功率水平的瓶颈作用。