该词条未找到_海词词典

您要查找的是不是：

The Study of Relationship between Circular Orbit Cone Beam Reconstruction Error and Cone Angle 圆轨道锥束重建精度与锥角关系的研究
The first sub-result is calculated by applying the FDK algorithm to the projection data acquired by a single circular orbit scan. 该重建算法由两部分重建结果叠加而成,第1部分结果首先采用FDK算法通过对单圆扫描的投影数据进行重建来获得;
Anlysis shows that the scan field of view along the horizon can be improved no less than 80% compared with cone-beam 3D-CT based on FDK and circular orbit scan mode. 分析表明,其水平方向的有效扫描视野比基于FDK的圆轨道锥束扫描三维CT提高了80%25以上。
A Three Dimensional Reconstruction Algorithm of Cone Beam Scanning in Slantwise Direction 锥束射线倾斜扫描三维层析算法
We have already worked out the conditions for a circular orbit. 我们已经算出了圆轨道的条件。
cone beam scanning 锥形线束扫描
The flashlight's beam scanned every corner of the room. 手电筒的光束扫遍屋内各个角落。
The engine operated for 63 seconds. The elliptical orbit was changed to a near circular orbit. 飞船变轨,变轨发动机工作了63秒,使原来的椭圆形接近圆形。
As another example the center of mass of the earth and moon moves in an approximately circular orbit around the sun. 作为另一个例子，地球和月亮的质心就是在一个绕太阳的近似的圆轨道上运行。
A blade wall thickness inspection method based on blade cone beam volume CT image sequence and blade CAD model are given. 本文给出一种基于叶片锥束体积CT图像序列和叶片CAD模型的叶片壁厚检测方法。
The Cone Beam Volume CT (CBVCT) system has the non-substitutable superiority in the field of non-damage detection and reverse engineering. 系统在无损检测和逆向工程等领域具有不可替代的优越性。
If you are on an unstable circular orbit, then a tiny burst on your maneuvering thrusters will send you into the black hole, or off into outer space. 如果你驾驶飞船在黄色区域中运动，你的发动机哪怕只做出一点微小的喷射，都会使你掉入黑洞中，或是把你甩到外面的绿色区域中去。
The beam scans a circular area in the forms of a sector which sweeps around and around. 这波束周而复始地呈扇形扫视一个园形区域。
Objective To investigate the application of the limited cone beam CT (3DX) for the diagnosis of the hard tissue disease of apex and the anatomical morphology of the teeth. 目的研究牙科用三维小视野照射CT(3DX)在口腔内科根尖部硬组织疾病诊断和牙齿解剖学形态影像中的价值。
FDK-type three dimensional computed tomography(3D-CT) with circular orbit based on FPD can execute inspection rapidly,but its imaging quality can not reach that of 2D-CT. 基于FPD的圆轨道FDK型三维计算机层析成像技术(Computed Tomography,3D-CT)检测速度快,但成像质量不及2D-CT。
The beam scans a circular area in the form of a sector which sweeps around and around. 这波束周而复始地呈扇形扫视一个园形区域。
What happens to the precession rate if the orbit around a black hole is made nearly as small as possible, i.e. a slight elongation of the innermost stable circular orbit? 如果将围绕黑洞的轨道调至尽可能的小（即轻微拉长最内层的稳定圆形轨道），对岁差率有何改变？
As the electron beam scans the image, variations of light inten. 当电子束扫描图像时,图像的光强度变化变成了电强度变化。
FDK method is the most common kind of 3D image reconstruction algorithm in cone beam CT at present, which is based on a scanning circle and reconstructs images satisfactorily in the small cone angle case. 目前锥束CT普遍采用FDK算法，该算法基于单圆源轨，在小锥角下取得较好的重建效果。
Images taken with a ground-based Keck telescope, when combined with existing images taken by Hubble Space Telescope, show that Dysnomia has a nearly circular orbit lasting about 16 days. 地面凯克望远镜拍摄到的影像，与哈勃太空望远镜已经拍摄得到的影像结合，显示了戴丝诺米娅有一个近似圆形轨道，运行轨道一周需要16天。