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小弟最近在做毕设,用matlab搭了个DWA模型,发现DWA的优化效果跟元件失配的分布有关系,比如8个元件的失配是[0.0081,0.0096,-0.0012,-0.0078,-0.0048,-0.0018,0.0019,-0.0048],这时候用DWA的SNDR比用温度计码时候提高不少。当失配是[0.0037,-0.0063,-0.0026,0.0025, 0.0056,-0.0084,0.0086,0.0055],DWA算法的SNDR反而不如原始的温度计码。 分析了一下,比如考虑下面的特殊情况,失配是[0.001,0.002,0.003,0.004,0.005,0.006,0.007,0.008],前面的误差比后面的小,那用DWA的效果不是肯定没有温度计码好吗?
也可能是我建的模型有问题?有木有好心人帮忙看看分析下呢? |
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