fan beam
英 [fæn biːm]
美 [fæn biːm]
扇形波射束
双语例句
- Comparing with the image-based method, the method based on fan beam projections have better real-time and lower detecting cost due to its needlessness of image reconstruction.
相比于基于图像重建的方法，本文提出的方法不需要进行图像重建，因此具有更好的实时监控性和更低的监控成本，具有一定的现实意义。 - A Fast Implementation of the Filter Back-Projection Algorithm for Fan Beam Industrial CT
扇束工业CT滤波反投影重构算法的快速实现 - Filter back projection ( FBP) reconstruction algorithm is adopted by fan beam industrial CT systems.
扇束工业CT系统普遍采用滤波反投影（FBP）重构算法。 - Study of OSEM with Different Subsets in Fan Beam Reconstruction
扇束图像重建中OSEM算法及子集划分的研究 - By dividing the monitoring area in the form of square grid unit, and analyzing the two-dimension spatial distribution pattern of multi-azimuth fan beam in monitoring area, and unitizing the sensitivity coefficient, the approximate calculation method of sensitivity distribution map of optical sensor is derived.
采用网格法对被测区域进行剖分，分析多方向角扇束光在监测区域中的二维空间分布格局以及对灵敏度系数进行归一化处理，提出了光层析传感器的灵敏度分布图的近似数值计算方法。 - Fan Beam Image Reconstruction of Optical Process Tomography Based on Algebra Reconstruction Technique
基于ART的光学过程层析成像扇束图像重建 - Finally, the algorithm of the part district reconstruction of large size component is studied when it adopt fan beam. Satisfactory simulation result is gained.
最后，研究了采用扇束时大型构件的局部区域重构，得到了较为满意的仿真结果。 - The simulation results show that, either for parallel geometry or for fan beam geometry, high resolution images can be reconstructed by means of both the algorithms from the overlapped projection data.
大量模拟试验结果表明，无论对平行束的相叠低分辨数据还是对扇形束的相叠低分辨数据，用虚拟探测器法和直接重建法均可由相叠低分辨数据重建出具有较高分辨率的图像。 - Image Reconstruction from Incomplete Fan Beam Projection Data by Maximum Entropy and Iterative Technique
不完全扇形投影数据的图象重建算法研究 - Developed a method of introducing weighting factor to area system matrix for getting more accurate system matrix in fan beam X-ray CT;
根据扇形束CT射线的密度变化关系和面积系统矩阵的计算原理，提出了将密度因子加入系统矩阵的计算方法； - This paper regards narrow fan-beam scan mode as multi-detector parallel beam scan mode.
本论文将窄角扇束扫描看成是多探头的平行束扫描。 - A Reflector Antenna Generating a Pin Beam and a Fan Beam
一种能产生针状波束和扇形波束的面天线 - The mathematical methods of the image reconstruction for the fan beam scanning of X-rays
X线扇形束扫描图象重建的数学方法 - Study of the millimeter wave linear array with fan beam of inclined angle
毫米波段斜扇形波束裂缝阵天线的研究 - On the other hand, both in parallel beam CT and fan beam CT, it is hard for EST to gain transient emission data from a lot of angels, therefore, the algorithms of EST need to be applicable to limited-view and incomplete data conditions.
另一方面无论是平行束层析还是扇束层析，EST都很难获得多视角、多方向的瞬态辐射数据，所以需要少投影或非完全数据下的重建算法。 - Application of the anchor bar and anchor rope support system in Fan ge-zhuang mine Application of Bolting Beam, Mesh and Rope Support in Combined Roof of Mining Roadway
锚杆锚索组合支护系统在范各庄矿的应用锚梁网索支护技术在复合顶板回采巷道中的应用 - CT Image Reconstruction Algorithm from Fan Beam Scans
用于CT扇形束扫描图象重建的一种数学方法 - Study on the Algorithm of the Reverse Geometry Based on Fan Beam CT
倒置式扇形束CT的算法研究 - Fan beam industrial CT system usually adopts filter back-projection algorithm to reconstruct CT images. Its computational complexity is O ( N3) [ 1].
扇束工业CT一般采用滤波反投影算法进行CT图像重构，其计算复杂度为O（N）。 - Optimization of Fan-beam Convolution Back Projection Algorithm
扇束卷积反投影算法的优化 - Methods Bone mineral density of the lumbar spine, left hip and radius was measured with a fan beam dual energy X ray bone densitometer at posterior anterior and supine lateral views in 361 senile women aged 60 96 years.
方法采用扇形束双能X线骨密度仪测量361例老年妇女腰椎正侧位、股骨和桡骨的骨密度。 - The records of 146 MHz fan beam interferometer at the Miyun station of the Beijing Observatory during the presence of coronal holes are examined.
其次考察了冕洞存在时，146MHz扇束干涉仪的中天观测特征。 - Speed Optimization of Reconstruction Algorithm for Fan Beam Industrial CT
扇束工业CT重建算法速度优化 - Analysis of Fan Beam Projections Recomposition Method and Projection Geometry on Optical Tomography
光CT的扇束投影重排方法及投影几何分析