Objective: To derive the energy spread function of the electron pencil beam model from the measured beam profiles. 目的:探讨用离轴比曲线分析电子束照射野笔形束模型能量展宽函数的方法。
Pencil shape beam radar 锐方向性射束式雷达
Derivation of Energy Spread Function of Electron Pencil Beam Model 数值方法分析电子线笔形束模型的能量展宽函数
A fast finite-size pencil beam algorithm based on Monte Carlo simulation 基于MonteCarlo模拟的快速有限笔束算法研究
In this part, our research results are as follows: a pencilbeam model established on the basis of extraction pencil beam kernel by the deconvolution method; 这部分的主要研究成果有:建立了用解卷积方法提取笔射束核的笔射束模型;
DOA Estimation Based on the Largest Eigenvalue for Pencil Beam Smart Antennas 针状波束智能天线中基于最大特征值的DOA估计
A DOA Estimation Based on BP Neural Network for CDMA Pencil Beam Smart Antennas 一种基于神经网络的CDMA针状波束智能天线系统用户定向算法
A novel DOA estimation algorithm based on the largest eigenvalue of the covariance matrix is presented. It mainly applies to the pencil beam smart antenna in DS CDMA systems. 本文针对应用于DSCDMA系统的针状波束智能天线,提出了一种基于最大特征值的DOA检测算法。
Eliminating the damage of pencil beam by the misaligned optical lens system 基于光路失调原理消除笔形光束的危害
Extraction of pencil beam kernels by the deconvolution method 用解卷积方法提取笔射束核的实现
SCG algorithm implemented as an inverse planning algorithm for determining the intensity-modulated beams that will most closely generate a desired dose distribution is presented as well as a method for dose calculation in IMRT using pencil beam model. 将笔射束核模型应用于IMRT剂量计算,并用SCG算法实现了IMRT计划优化中射束权重的优化,给出了优化结果并进行了讨论。
As a representative instrument based on pencil beam scanning, Long Trace Profiler is analyzed in details in order to develop surface profile measuring device. 最终选定细光束扫描测量法,对其典型仪器&长程轮廓仪进行详细分析,为仪器的研制奠定理论基础。
In this model, the radiation dose calculated by energy fluence convolute with a point spread function or pencil beam kernel. 在这种模型中,剂量计算是通过将放射线的光通分布与一个点扩展函数或卷积核相卷积来实现的。