A New Proof for the Reciprocity Formula of Dedekind Sum Dedekind和互反公式的一个新证明
On applying the diffraction theory and with the aid of the reciprocity theorem, an approximate formula for the radiation field of a slot cut in a metal sheet of finite size is derived. 本文应用绕射理论并借助于互易定理,导出了一个在有限尺寸金属平板上割出的一条裂缝的近似辐射埸公式。