为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Based on the analysis of the feature of cognitive radio networks,a relevant interference model was built.Cognitive users......

The shrinking of cell-size brings significant changes to the wireless uplink of densely small cells(DSCs). A codebook de......