搜索结果: 1-10 共查到“光学工程 Monte Carlo”相关记录10条 . 查询时间(0.062 秒)
基于雷达光学系统的几何概率因子,考虑望远镜接收系统副镜在主镜上的投影对激光光斑高斯强度分布的影响, 引入蒙特卡罗积分法, 改进离轴激光雷达几何因子的理论计算方法.在望远镜焦平面处添加合适的透镜, 通过透镜的成像效应, 保证回波信号的入射光瞳只与望远镜的口径有关, 不受探测器有效接收面积的影响, 以实现对系统几何因子的进一步优化, 并分析焦距等透镜参数对雷达系统几何因子的影响.理论计算与实验结果进行...
为了克服传统光谱检测复杂混合溶液的分析方法中光谱重叠严重、信噪比低的缺点，本工作提出将高光谱法引入复杂混合溶液的检测。因为高光谱法可以利用多模式光子所携带的被测物质多种光学性质的信息进行溶液成分含量分析，与传统光谱检测方法仅利用被测物质单一吸收特性的变化相比，高光谱法同时还可利用空间信息增加光谱信号的信噪比，提高建模精度和可靠性。为了验证高光谱检测复杂混合溶液的可行性，本工作利用Monte Car...
Fast Parallelized Simulation of 112 Gb/s CP-QPSK Transmission Systems using Stratified Monte-Carlo Sampling
Fiber optics communications Coherent communications
2015/5/26
A novel parallelized implementation of the split-step Fourier method on graphics processing units was developed. The combination of Monte-Carlo simulations with single and double precision yields a sp...
本文采用Monte-Carlo法对电子在V型微通道板行波选通分幅相机微通道板单通道中传输、碰壁及二次电子发射的整个过程进行了模拟.模拟结果印证了微通道板孔径、屏距、屏压等参量对相机动态空间分辨率影响的定性分析，揭示了斜切角以及微通道板Ⅱ上电压V2对相机空间分辨率的影响.计算还结果表明，对于V型微通道板分幅相机，可以不区分动、静态空间分辨率.
Monte Carlo Simulation of Image Depth Improvement by Two-color Two-photon Fluorescence Microscopy
Image-depth limit Two-color two-photon Fluorescence microscopy
2009/6/2
Out of focus fluorescence is a dominant limiting factor in the improvement of imaging depth in two-photon fluorescence microscopy. Here we propose a new two-color two-photon fluorescence microscopy sc...
本文采用Monte-Carlo法对电子在V型微通道板行波选通分幅相机微通道板单通道中传输、碰壁及二次电子发射的整个过程进行了模拟.模拟结果印证了微通道板孔径、屏距、屏压等参量对相机动态空间分辨率影响的定性分析，揭示了斜切角以及微通道板Ⅱ上电压V2对相机空间分辨率的影响.计算还结果表明，对于V型微通道板分幅相机，可以不区分动、静态空间分辨率.
Numerical Monte Carlo Comparison between Coherent PDM-QPSK/OOK and Incoherent DQPSK/OOK Hybrid Systems
Numerical Monte Carlo PDM-QPSK/OOK Incoherent DQPSK/OOK Hybrid Systems
2015/8/4
We asses through Monte Carlo simulations PDM-QPSK/OOK and DQPSK/OOK Hybrid systems perfor-mance. DQPSK works better with optimal dispersion-management. PDM-QPSK is more robust to system impair-ments.
A Stratified Sampling Monte Carlo Algorithm for Efficient BER measurement and its Application to DQPSK Terrestrial Systems
Monte Carlo Algorithm Efficient BER measurement DQPSK Terrestrial Systems
2015/7/31
We propose an efficient stratified sampling algorithm for BER estimation and apply it to FEC-coded DQPSK systems. We measured computational savings up to 70% compared with standard Monte Carlo.
Accelerated Monte Carlo method for computation of photon migration by matrix description of photon direction
highly scattering materials photon migration Monte Carlo method
2011/4/28
A new accelerated Monte Carlo method that uses matrix description of photon migration (instead of vector description) for computation of photon migration in highly scattering media is presented. This ...
Modeling of light transmittance measurement in a finite layer of whole blood – a collimated transmittance problem in Monte Carlo simulation and diffusion model
multiple light scattering Monte Carlo simulation diffusion model whole blood
2011/4/26
The paper presents the modeling of transmittance measurement in a finite layer of whole blood. To describe light propagation in whole blood medium, a Monte Carlo simulation was used. The propagation o...