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In wireless communications, fading is deviation of the attenuation that a carrier-modulated telecommunication signal experiences over certain propagation media. The fading may vary with time, geographical position and/or radio frequency, and is often
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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
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重点研究
了低信噪比﹑多径瑞利衰落信道条件下，基于高阶累积量的OFDM信号盲识别技
术。提出了利用奇数阶累积量区分OFDM信号与单载波信号的方法，并对基于三
阶和五阶累积量的算法进行了仿真分析。
-﹑ Focus on the low SNR multipath Rayleigh fading channel conditions, based on cumulant OFDM signal blind identification technology. Made a dist
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main函数调用的子函数均可以随意修改,使用方便
模块包括：流程控制模块、卷积编译码模块、交织解交织模块、调制解调模块、OFDM调制解调模块、信道模块(为多径rayleigh信道)、均衡模块
可以正常运行,绝对适合做OFDM研究使用,有详细的注释,我自己写的,很容易理解.
经典收藏!!
-The main function calls the subfunctions are free to modify, easy to use modules including: flow
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Multipath rayleigh channel and comparing in time and frequency
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multipath OFDM in Rayleigh channel.
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由于多径效应和移动台运动等影响因素，使得移动信道对传输信号在时间、频率和角度上造成了色散，即时间色散、频率色散、角度色散等等，因此多径信道的特性对通信质量有着重要的影响，而多径信道的包络统计特性则是我们研究的焦点。根据不同无线环境，接收信号包络一般服从几种典型分布，如瑞利分布、莱斯分布等。在此专门针对服从瑞利分布的多径信道进行模拟仿真，进一步加深对多径信道特性的了解。-Due to multipath effects and the mobile station sports and other
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Performance Analysis of Rayleigh and Rician
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Bit Error Rate Performance of BPSK Modulation and OFDM-BPSK with Rayleigh Multipath Channel. M. Divya. International Journal of Engineering and Advanced Technology (IJEAT). ISSN: 2249 – 8958, Volume-2, Issue-4, April32
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ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块，单径或多径瑞利衰落信道仿真，包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度。- ofdm system simulation including 16qam modulation fft windowing modules plus cp, Single path or multipath Rayleigh fading channel simulation, Including Deng s correlation, ab
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给出接收信号眼图及系统仿真误码率，单径或多径瑞利衰落信道仿真，对球谐函数图形进行仿真。- The received signal is given eye and BER simulation systems, Single path or multipath Rayleigh fading channel simulation, Of spherical harmonics graphic simulation.
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单径或多径瑞利衰落信道仿真，有井曲线作为输入可计算其地震波的衰减,MIMO OFDM matlab仿真。- Single path or multipath Rayleigh fading channel simulation, There is a well attenuation curve as input to calculate its seismic waves, MIMO OFDM matlab simulation.
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用于建立主成分分析模型，单径或多径瑞利衰落信道仿真，在MATLAB中求图像纹理特征。- Principal component analysis model for establishing, Single path or multipath Rayleigh fading channel simulation, In the MATLAB image texture feature.
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语音信号的采集与处理，数字信号处理课设，单径或多径瑞利衰落信道仿真，Matlab实现界面友好。- Acquisition and Processing of the speech signal, digital signal processing class-based, Single path or multipath Rayleigh fading channel simulation, Matlab to achieve user-friendly.
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单径或多径瑞利衰落信道仿真，FMCW调频连续波雷达的测距测角，完整的图像处理课设，包含所有源代码，汽车图像。- Single path or multipath Rayleigh fading channel simulation, FMCW frequency modulated continuous wave radar range and angular measurements, Complete class-based image processing, contains all of
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实现用SDRAM运行nios，同时用SRAM保存摄像头数据，这个有中文注释，看得明白，单径或多径瑞利衰落信道仿真。- Implemented with SDRAM run nios, while saving camera data SRAM, The Chinese have a comment, understand it, Single path or multipath Rayleigh fading channel simulation.
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Relief计算分类权重，单径或多径瑞利衰落信道仿真，通过虚拟阵元进行DOA估计。- Relief computing classification weight, Single path or multipath Rayleigh fading channel simulation, Conducted through virtual array DOA estimation.
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单径或多径瑞利衰落信道仿真，可以广泛的应用于数据预测及数据分析,模式识别中的bayes判别分析算法。- Single path or multipath Rayleigh fading channel simulation, Can be widely used in data analysis and forecast data, Pattern Recognition bayes discriminant analysis algorithm.
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单径或多径瑞利衰落信道仿真，一种噪声辅助数据分析方法,在matlab R2009b调试通过。- Single path or multipath Rayleigh fading channel simulation, A noise auxiliary data analysis method, In matlab R2009b debugging through.
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GPS和INS组合导航程序，单径或多径瑞利衰落信道仿真，包括四元数的各种计算。- GPS and INS navigation program, Single path or multipath Rayleigh fading channel simulation, Including quaternion various calculations.
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