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OFDM
该模型实现了一个通用的OFDM TX和RX,这是不依赖于任何特定的行业标准。该模型的目标是开发和研究不断(不是“突发”)载波同步和定时跟踪方案。该技术纳入然后可以扩展和修改,以标准的具体通讯套件。该模型采用了“收购”技术,它利用了循环前缀相关属性,以赶在试图完成罚款跟踪算法一帧的边界粗略的估计。该模型实现了一个16点64循环前缀的OFDM载波波形。在OFDM符号有16个飞行员,3后卫音(0,带边幅),并使用45 QAM的剩余数据流4。
这包括最新型的衰落信道,误码率计算,并改善控制回路动态。(This model implements a generic OFDM TX and RX, which is not tied to any particular industry standard. The objective of this model is to develop and explore a continuous (not “bursty”) carrier and timing tracking synchronization scheme. The techniques incorporated can then be extended and modified to suite specific communications standards. The model uses an “acquisition” technique that exploits the correlation properties of the cyclic prefix to get a rough estimate of the frame boundary before attempting to accomplish the fine tracking algorithms. The model implements a 64 carrier OFDM waveform with a 16 point cyclic prefix. The OFDM symbol has 16 pilots, 3 guard tones (0 amplitude at band edge) and uses 4 QAM for the 45 remaining data streams.
This latest model includes a fading channel, BER computation, and improved control loop dynamics.
)
- 2010-05-20 22:12:55下载
- 积分:1
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jindai
可以计算一维光子晶体的透射特性和反射特性,用的是传输矩阵法(TMM one-dimensional crytal)
- 2012-04-23 22:09:57下载
- 积分:1
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svm
SVM方法的基本思想是:定义最优线性超平面,并把寻找最优线性超平面的算法归结为求解一个凸规划问题。进而基于Mercer核展开定理,通过非线性映射φ,把样本空间映射到一个高维乃至于无穷维的特征空间(Hilbert空间),使在特征空间中可以应用线性学习机的方法解决样本空间中的高度非线性分类和回归等问题。svm 程序,即支持向量机的代码。(The basic idea of SVM method are: the definition of the optimal linear hyperplane, and the search algorithm for optimal linear hyperplane by solving a convex programming problem. Then based on Mercer nuclear expansion theorem, through a nonlinear mapping φ, the sample space is mapped to a high-dimensional and even infinite dimensional feature space (Hilbert space), so that in the feature space can be applied to solve the linear learning machine method, the sample space The highly nonlinear classification and regression problems. svm procedures that support vector machine code.)
- 2010-07-31 10:21:45下载
- 积分:1
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hecheng
设关系A是从集合X={1,2,….,n}到集合Y={1,2,…..,m}的二元关系,而关系B是从集合Y到集合Z={1,2,….,p}的二元关系,求A与B的合成关系C。(A relationship is established from the set X = (1,2, ...., N) to the collection Y = (1,2, ... .., m) of binary relations, the relationship B is from a collection of Y to the set Z = ( 1,2, ...., p) of the binary relation, find the relationship between A and B, synthesis of C.)
- 2009-12-23 13:13:00下载
- 积分:1
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WiMAX_System_Level_Simulation_Investigation
说明: 通过动态系统仿真,给出了上述各种MIMO体系下的仿真结果,优秀学位论文
( Under conditions of the Proportional Fair scheduling algorithm, the above-mentioned various MIMO modes are simulated in the proposed dynamic simulation platform. A series of system level metrics are considered in the simulation.)
- 2010-04-30 09:57:37下载
- 积分:1
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MATLAB
此文档主要包括13个课件,详细的描述了matalab的编程环境及相关工具的用法等!(This document includes 13 courseware, a detailed description of the MATALAB programming environment and related tools such as the use of!)
- 2011-07-12 11:11:42下载
- 积分:1
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torque_speed_curve
This file consists the torque vs speed characteristics of induction motor
- 2013-10-02 00:10:37下载
- 积分:1
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simulink_beginer
说明: simulink入门书籍,非常简明全面,适合初学者(simulink entry book, very concise and comprehensive, suitable for beginners)
- 2010-04-28 15:01:03下载
- 积分:1
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To-pudn
Matlab Programs
Tags: State space,
convolution,Transfer function
- 2012-11-30 23:35:31下载
- 积分:1
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模式识别
简单的贝叶斯分类器,实现基于身高体重的男女性别分类(Simple Bias classifier)
- 2020-09-25 23:37:46下载
- 积分:1