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zucheng
- 基本模型机的存储通路逻辑框图设计 计算机组成原理-Basic model in the storage channel logic diagram design computer organization
WirelessCommunication
- simulation of the wideband radio channel using measured data is investigated and implemented. In radio interface simulations the radio channel is commonly implemented as a statistical model, often derived from measurement campaigns. In this wor
widebandradiosimulation8
- simulation of the wideband radio channel using measured data is investigated and implemented. In radio interface simulations the radio channel is commonly implemented as a statistical model, often derived from measurement campaigns. In this wor
The-simulation-of-OFDM-systems
- 正交频分复用(OFDM) 是第四代移动通信的核心技术。该文首先简要介绍了OFDM基本原理,重点研究了理想同步情 况下,保护时隙(CP) 和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对OFDM系统性能的影响。在给出OFDM系 统模型的基础上,用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序。最后给出在不同的信道条件下,保 护时隙、信道估计方法对OFDM系统误码率影响的比较曲线,得出了较理想的结论。-Orthogonal frequency division mult
DesignCPCIanalogonFPGA
- 本文实现了8通道的12位D/A模拟输出板卡的设计。该设计是基于FPGA的3U CPCI板卡，可以提供8通道的模拟电压和电流输出，各路电压输出范围可以配置成0~5V、0~10V、-5~5V或-10V~10V，各路输出电流可以配置成4~20mA、0~20mA或0~24mA。本设计摒弃了常规的CPCI接口芯片，采用FPGA十PCI IP CORE的设计方案，大幅度提高了系统的集成度和调试速度，缩短了系统的开发周期。方案使用专门的WDM (windows driver model)开发工具Driver
duolucaijixitong
- 多路数据采集系统（毕业设计）/*********************************************************************/ /*单位名称:成都信息工程学院 */ /*模 块 名：AD多路数据采集系统（采集端） 单片机型号： AT89S52 */ /*创 建 人: 日期：2009-05-31 */ /*修 改 人： 日期：2009-05-31 */ /*功能描述： */ /*其他说明： */ /*版 本
nakagamai
- The primary justification for the use of the Nakagami- m fading model is its good fit to empirical fading data. A procedure for simulating both the amplitude and the phase processes of a Nakagami-m fading channel, for arbitrary values of the fading p
elevation_pdf_leo
- An Analytical Model to Predict the Probability Density Function of Elevation Angles for LEO Satellite Systems-Based on earth-satellite geometry, an analytical model is proposed to predict the probability density function (pdf) of elevation an
AT89C2051_sevor_contror
- 舵机是机器人、机电系统和航模的重要执行机构。舵机控制器为舵机提供必要的能源和控制信号。本文提出一种以外部中断计数为基础的PWM波形实现方法。该方法具有简单方便，成本低，可实现多路独立PWM输出的优点-Servo robot, mechanical and electrical systems and model aircraft executing agency. Servo controller for the steering gear to provide the necessary en
Control-of-Teleoperation
- ：针对遥操作机器人系统通信通道中存在时延以及系统模型存在不确定性而可能造成系统不稳定和操作性能降低的问 题，采用了H 混合灵敏度鲁棒控制的方法设计主从机械手的控制器。首先概括的介绍了系统的构成及动力学模型，然后 针对控制器设计中加权函数选择较困难的问题，研究了一种较实用的加权函数选择方法，并采用MATLAB鲁棒控制工具箱 进行了控制器设计，最后给出了系统在随机时延环境下Simulink的仿真结果。结果表明系统在受扰和通信信道存在随机时 延的情况下，仍具有良好的鲁棒稳定性和跟踪性能
11-WCMC-Localization
- 该文章提出了一种自动虚拟的校正方法以及对应的定位算法，用于基于RSSI的无线定位领域中，可以提高定位精度。-In this paper, we present an automatic virtual calibration method of the propagation model that does not require human intervention therefore, can be periodically performed, following the wir
MIMOCapacity
- This function calculates the ergodic and outage capacity of a MIMO Rayleigh channel considering no CSIT (equal power allocation) and perfect CSIT (waterfilling power allocation). In both cases perfect CSIR is assumed. The channel is assumed to b
yidong-
- 本文根据移动通信衰落信道的工作机理, 基于加性高斯白噪声信道( AWGNChannel) 、 落信道( RayleighFading Channel) 、莱斯衰落 icianFadingChannel) 的仿真模型, 并利用M 行了衰落信道的误比特率性能的仿真分析。-Based the working mechanism of the mobile communications fading channel, Based on the additive white Gauss
on-the-modulation-technology-in-OFDM
- 在 OFDM 数学原理和收发模型的基础上，本文对帧同步、定时同步、频率同 步和采样同步给 OFDM 系统所产生的影响进行了理论分析，同时讨论了基于循环 前缀或训练符号的典型 OFDM 同步算法。参考 802.11a 突发数据帧结构和系统参 数，分析几种 OFDM 同步算法用于突发分组传输的性能；在分析了几种经典的信 道估计算法基础上,通过对复杂度和性能的折衷，选择一种适合本文系统的估计 算法。最后作者提出一种改进型 LS 信道估计算法，该算法考虑了 LS 算法中噪声 的影
awgn
- chirp信号在高斯白噪声信道下的调制和解调以及误比特率的仿真模型-chirp signal in white Gaussian noise channel modulation and demodulation, and bit error rate of the simulation model
Attachments_2013529
- In this post, we will derive the theoretical equation for bit error rate (BER) with Binary Phase Shift Keying (BPSK) modulation scheme in Additive White Gaussian Noise (AWGN) channel. The BER results obtained using Matlab/Octave simulation scr ipts s
ofdm
- Based on the principle of OFDM system, the paper mainly includes the following aspects: the development of mobile communications, the characteristics of the radio channel, OFDM system theory, the advantages and disadvantages, key technologies, and ad
80211ChannelinNS2_new
- Channel 802.11 model for NS2
weixinjiaocheng_xck
- 教程开发微信公众账号。。。。开发者模式开发公众账号，由简单到菜单按钮的开发教程。。很关键斤斤计较-Tutorials developed micro-channel public account. . . . Developers to model development of public accounts, from the simple to the development of tutorials menu button. . Critical preoccupied
WIN2-Matlab
- This file about Matlab SW documentation of WIM2 model. The main purpose of the WIM channel models is to generate a radio channel realisations for a link and system level simulations.