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数字通信系统中信噪比与误码率关系的Matlab模拟 被引量:5

Simulation of the Relation between Signal-to-noise Ratio and Bit Error Ratio in Digital Communication with Matlab
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摘要 通过M atlab模拟了随机产生的一定概率分布的信号序列,叠加高斯噪声后利用最大后验概率(MAP)检测到的误码率,做出BER^SNR曲线,并与理论计算得到的曲线进行比较,两者吻合. Signal series in a certain probability distribution added by Gauss noise is detected by MAP ( Maximum A posterior Probability),the bit error ratio (BER) is simulated with Matlab; the curve of BER - SNR is plotted, it consists with the curve plotted through theoretical calculation.
作者 何忠蛟
出处 《湖北民族学院学报(自然科学版)》 CAS 2006年第1期37-38,共2页 Journal of Hubei Minzu University(Natural Science Edition)
关键词 最大后验概率 高斯噪声 信噪比 误码率 maximum a posterior probability gauss noise signal - to - noise ratio bit error ratio
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