-
DesignofAOpticalSpectrometerBasedonLabVIEW
说明: 利用虚拟仪器开发软件LabVIEW 设计了一台光谱仪,使用CCD 一次接收整个光谱,同
时利用LabVIEW 高度集成化的模块进行显示、分析等处理,效率高,开发周期短,仪器使用方便,功能多且易于扩展1(Design of A Optical Spectrometer Based on LabVIEW)
- 2009-08-27 15:35:09下载
- 积分:1
-
ULA
已知:信号中心波长为2,天线阵元的间距为1米,快拍数为2000,空中有四个
源信号,假设它们的频率
四个源信号的方向分别为:
求:
1)在不加入噪声的情况下,观察并计算协方差矩阵特征值,并对它的特点
加以说明
2)分别采用MUSIC算法,CAPON算法, ESPRIT算法在下面四种情况下,对
上述四个信号源的波达方向进行估计,并画出它们的空间谱图;
①在不加入噪声的情况下,
②在加入高斯白噪声的情况下,假设信噪比为10dB
3)在信噪比变化范围为-20dB~+20dB时,分别采用MUSIC算法,CAPON算
法, ESPRIT算法,对上述四个信号源的波达方向进行估计,并画出波达方
向估计误差,随着信噪比变化的曲线图(即横轴为信噪比,纵轴为误差值)()
- 2008-07-01 16:10:08下载
- 积分:1
-
roaddetection
是一个描述道路检测以及粒子滤波的ppt文件,希望能给大家一些启发。
- 2009-09-17 19:28:23下载
- 积分:1
-
ed2_prac5_conta_finfin
program in hdl that this open mind in digital resources
- 2009-06-27 08:08:08下载
- 积分:1
-
Impact-of-EV-Charging
电动汽车充电策略对高峰需求减少和负荷因数的影响 (Impact of EV Charging Strategies on Peak Demand Reduction and Load Factor Improvement)
- 2017-04-05 23:12:52下载
- 积分:1
-
DesignAutomaticMonitoringStation
本文实现了光缆监测站自动监测终端设备的设计方案,通过嵌入式硬件系统和软件的协同工作,该监测设备能够对通信光缆进行在线实时监测,并且能够实时探测到通信光缆的故障点,方便了通信光缆的维护工作。该系统在业务板卡的设计,以及CAN控制通信总线的使用都增强了设备的兼容性和系统的可扩展性,并且增加了环境监测单元来自动调节环境温度,以保证系统安全可靠运行。(This automatic monitoring stations to achieve a fiber optic terminal equipment design, through the embedded hardware systems and software work together, the monitoring device can communicate on-line real-time monitoring of fiber optic cable and communication cable in real time to detect the point of failure, to facilitate the communication cable maintenance. The system is in the business card design, and the use of CAN bus control communication devices have enhanced compatibility and system scalability, and increased environmental monitoring unit to automatically adjust the temperature to ensure the system safe and reliable operation.)
- 2011-06-25 18:25:43下载
- 积分:1
-
PAPER
挪威科技大学海洋工程控制论的创始者Fossen的发表的很多SCI论文,他的论文很有参考学习意义。(Norwegian University Science & Technology, the author of the Fossen of marine engineering control theory, published a lot of SCI papers, his paper is very meaningful learning.)
- 2015-09-28 16:41:42下载
- 积分:1
-
1383
:介绍了一种基于数字信号处理器(DSP)的移相调频(Phase-Shifted and Frequency-Varied,PSFV)PWM控制
逆变电源,给出了主电路拓扑结构,分析了其控制原理并设计了其控制程序流程图。新颖的PSFV 控制能够实现输出
电压90%的调整率,输出电流波动小于单纯移相调功PWM方式,并在轻载时保持连续。功率开关器件零电压零电流
通断(Zero-Voltage-Zero-Current Switching,ZVZCS)软开关的实现,有利于进一步提高开关频率和降低开关损耗。采用
高性能的专用DSP 芯片TMS320F2812 实现了系统的数字控制,满足了系统控制的灵活性和实时性,减小了系统的
体积和生产成本。仿真分析和实验结果证明了此控制模式的可行性与合理性。()
- 2008-03-28 20:26:19下载
- 积分:1
-
excellent-papers-of-math-
主要是全国研究生数学建模大赛的优秀论文,还有些美赛的,本科生的(Mathematical modeling of the main competition is the outstanding graduate student papers, and some U.S. race, undergraduate)
- 2011-09-30 21:31:24下载
- 积分:1
-
2222
( 从太原市公交查询系统建立的必要性出发, 进行了公交查询算法的研究, 主要探讨了包括最短路径查
询及最少花费查询及数据库管理的公交查询系统的实现。 该系统采用了V ISU AL BA S IC 610 为开发工具,
M ICRO SO FT A CCESS2003 为后台数据库, 开发了基于太原市公交线路的公交查询系统。具有线路查询、换乘
查询、 站点查询、 数据管理等一系列功能。
((From the city bus system the need for inquiry, carrying out a public inquiry method of research, focused on the shortest path, including at least inquiries and inquiries and database management to spend the public inquiries system. The system uses a V ISU AL BA S IC 610 for the development of tools, M ICRO SO FT A CCESS2003 as the background database, developed based on the city' s public transportation bus lines inquiry system. with line inquiries, transfer information, site information, a series of functions such as data management.)
- 2009-05-17 15:20:43下载
- 积分:1