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Teaching.meshes.subdivision.and.multiresolution.t
- In the last decade the processing of polygonal meshes has emerged as an active and very productive research area. This can basically be attributed to two developments: Modern geometry acquisition devices, like laser scanners and MRT, easily
MC1403
- MC1403是美国摩托罗拉公司生产的高准确度、低温漂、采用激光修正的带隙基准电压-Motorola MC1403 is produced with high accuracy, low temperature drift, the use of laser amended bandgap reference voltage
05-3119
- Abstruct- We describe novel interleaver and deinterleaver architectures that support bandwidth efficient memory access for decoders of turbo-like codes that are used in conjunction with high order modulations. The presentation focuses on a deco
1
- 经过二十余年的快速发展， 空间激光通信的研究重心逐渐从高精度ATP分系统向高速 率通信分系统转移 紧密跟踪空间激光通信的国际发展最新动态，从通信带宽和链路功率两个方面， 针对通信发射单元、接收单元和信道特性，分析了提高空间激光通信传输速率的技术难度与途径．分 别阐述了波长1 550 nm、基于EDFA 功放和前放技术，空间相干技术，光偏振复用技术．光波分复用 技术的基本原理、性能指标及关键技术，为高速率空间激光通信提供了技术参考-After more than 20 years
Rayleigh-Mie-lidar-
- 本文介绍了用来测量对流层温度垂直分布的基于高光谱分辨率雷达技术的瑞利-米激光雷达系统（激光是对人眼安全的355nm波长的紫外线）。在该系统中，用两个法布里-珀罗标准具滤波器对影响大气温度的两个瑞利信号进行过滤。这些滤波器放在瑞利散射频谱的同一侧，并带有双端口光学输出通道。这种配置对米氏散射能获得较高的抑制比以及合理的瑞利散射透光率。米氏信号用第三个位于激光频率中间位置的法布里-珀罗标准具滤波器进行检测。这三个滤波器的参数是经过数值计算优化了的。实验结果表明，对于这两个瑞利通道都能实现-45dB的
High-brightness-fiber-
- 利用2只915nm半导体激光短列阵作为子模块，设计并研制出连续输出的高亮度光纤耦合模块.-Two 915 nm diode laser short bars were used as sub-module tu manufacture high brightness fiber coupled module with continous wave(CW ) output power.
high-precision-laser-ranging-method
- 测距应用广泛，普通标尺测距很难达到精微测距的要求，激光在这方面有着明显的优势，本文更是运用相位来进一步提高检测的精度！-Ranging widely, ranging ordinary scale ranging requirements difficult to achieve subtle, laser has a distinct advantage in this regard, this paper is the use of phase to further improve the
semiconductor
- 大功率半导体激光器二元光学消像散准直器件设计-High power semiconductor laser astigmatism binary optical collimating device design
Design-And-Simulation-Of-Qpsk-Modulator-For-Optic
- We have proposed a digitally implemented QPSK system for Free-Space Optics (FSO) systems for future satellite missions. We have used a Laser source of 1550nm wavelength and data rate of 2.5Gbps.The system consists of a modulating and a demodulating b
6908-7
- We review recent results on high-power, high-efficiency two-dimensional vertical-cavity surface-emitting laser (VCSEL) arrays emitting around 980nm. Selectively oxidized, bottom-emitting single VCSEL emitters with 51 power conversion efficiency w
ICP-point-cloud-registration
- 三维激光点云配准是点云三维建模的关键问题之一。经典的 ICP 算法对点云初始位置要求较高且配准 效率较低，提出了一种改进的 ICP 点云配准算法。该算法首先利用主成分分析法实现点云的初始配准，获得较好 的点云初始位置，然后在经典 ICP 算法的基础上，采用 k － d tree 结构实现加速搜索，并利用方向向量夹角阈值去除 错误点对，提高算法的效率。实验表明，本算法流程在保证配准精度的前提下，显著提高了配准效率。 -Three-dimensional laser point cl