directio相关论文
An optimum design of a low noise amplifier (LNA) in S-band working at 2-4 GHz is described. Choosing FHC40LG high electr......
...
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......
The growth mechanism of the peritectic η phase involving the peritectic reaction and peritectic transformation in Cu-70......
将五光子晶体单模波导平行、邻近放置构成定向耦合器,依据自映像原理,数值分析了输入光场对称入射时,该系统中光的传播行为。基于......
