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999
根据有无固定基础设施，无线局域网又可分为BSS (Basic Service Set)和IBSS (Independent Basic Service Set)。我们要研究的ad hoc网络属于后者。假设在一个ad hoc网络中，移动节点的发射功率PTx总是恒定的。要发送数据的移动节点总是先监听信道，测量接收到的信号功率X，其中X= I + N, I为接收到的干扰，N是噪声。移动节点只有在X＜INThre时，才可以发射。式中，INThre为背景噪声门限。
在仿真中，我们规定每个移动节点的发射功率是常数，PTx = 1W；接收节点接收机的灵敏度Smin = -80 dBm；信号质量 min = 2 dB；系统的背景噪声门限INThre = 1.2e-10。
(According to the availability of fixed infrastructure, wireless local area network can be divided into BSS (Basic Service Set) and IBSS (Independent Basic Service Set). We have to study the ad hoc network belong to the latter. Assuming in an ad hoc network, mobile node s transmission power is always constant PTX. To send data to the mobile node always monitor channel, measuring the received signal power X, which X = I+ N, I was received interference, N is the noise. Mobile node only when X <INThre when it is fired. Where, INThre threshold for background noise. In the simulation, we require that each mobile node s transmission power is constant, PTx = 1W receiver node receiver sensitivity Smin =-80 dBm signal quality )
- 2008-01-16 00:23:39下载
- 积分：1
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assg1
matlab code for PCA or eigenface face recognition.
- 2010-09-21 13:52:43下载
- 积分：1
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mutibodyMatlab
用于计算多体系统动力学的程序,可用于多体系统动力学的计算和仿镇,也可用于机器人的设计和计算(used in the calculation of multi-body system dynamics procedure can be used for multi-body system dynamics calculations and imitate town, Robots can also be used for the design and calculation)
- 2021-04-06 09:49:03下载
- 积分：1
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hanming
利用常用四阶龙格-库塔公式求初值，再利用汉明公式、米尔恩公式和改进的四阶亚当斯隐式公式及常用的四阶龙格-库塔公式求解其余的数值解求解常微分方程初值问题，并计算它与精确解的误差(Use of commonly used fourth order Runge- Kutta initial value to the Formula, and then use the Hamming formula, Milne formula and improved fourth-order implicit Adams formula and the commonly used Runge- Kutta formula for solving the numerical solution for solving the remaining ordinary Differential Equations, and calculate the error it with exact solutions)
- 2010-11-24 22:06:51下载
- 积分：1
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guidaofenix
利用Matlab软件编写的轨道不平顺数据分析程序能够对轨检车测得的不平顺数据进行处理,得到功率谱密度分布函数.轨道不平顺分析程序包括轨道不平顺数据预处理、轨道不平顺谱分布函数计算以及根据实测的车体振动加速度,对轨道不平顺与车体振动加速度进行相干分析、提出对行车运行有不利影响的不平顺波长范围等.研究结果表明:车辆的动力特性与轨道不平顺有密切关系.高低不平顺对车体垂向振动影响显著,轨向不平顺对车体水平振动影响显著,水平不平顺对列车垂向、横向振动均有显著影响.(Matlab software written track irregularity data analysis program able to track inspection car irregularity measured data are processed to obtain the power spectral density function. Track Irregularities track irregularity analysis procedures including data preprocessing, track irregularity spectrum distribution function calculations, and based on the measured vibration acceleration of the vehicle, with the body of track irregularity acceleration coherent analysis, have an adverse impact on traffic running irregularity wavelength range, etc. the results show that: the dynamic characteristics of the vehicle and the track irregularity closely related. rough along the vertical vibration of the vehicle significantly, rail irregularity vibration to levels significantly affect the body, the level of irregularity to train the vertical and horizontal vibration significantly affected.)
- 2014-01-19 16:41:57下载
- 积分：1
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MATLAB6xImagemanage
这是一本介绍使用matlab中现有函数对图像进行处理的入门书(This is an introduction to use matlab function of the existing image of the entry-book deal)
- 2008-03-31 17:06:22下载
- 积分：1
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TVAL3_v1.0
说明： 最新的基于压缩感知的TV重构算法，该算法重构图像质量很不错，并且速度很快(TV Minimization by Augmented Lagrangian
and Alternating Direction Algorithms)
- 2020-12-08 15:09:21下载
- 积分：1
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bayescode
一种自己设计的贝叶斯分类器,具有一定的参考价值(A kind of self-designed Bayesian classifier, with some reference value)
- 2010-06-23 22:06:39下载
- 积分：1
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Factor-analysis
对数据进行因子分析matlab完整代码。(Factor analysis of the data integrity matlab code.)
- 2013-08-25 10:51:26下载
- 积分：1
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FFT-Watermarking
Watermarking using Fas Fourrier Transform FFT
- 2016-02-29 03:26:41下载
- 积分：1
