对于具有生成多项式(?)(x)的二元Goppa码,令G(x)是能被G(x)整除的最低次数完全平方多项式,则这个Goppa码的最小距离d≥deg(?)(x)+1......

By applying a result from geometric Goppa codes, due to H.Schtenoth, the true dimension of certain alternant codes is ca......

Mo silicides MosSi3 with high quality were prepared using ion beam deposition equip-ment with two Filter Metal Vacuum Ar......