The reverse construction technique is introduced, combined with the engineering example, mainly discusses the basement top-down construction technology, has a certain reference for this technique in future.

For solving the large scale microstrip antenna array effectively,the method of moment(MoM)model of microstrip antenna is presented,which is described by Mixed Potential Integral-Equation(MPIE).Using the discrete complex image method,the Green's functions with Sommerfeld integral can be written as the closed forms.Then the parallel MoM is used to solve the large scale microstrip antenna array.This method could increase the unknowns solved by MoM of the microstrip structure.The numerical results show the accuracy and validity of this method.

The continuous condition of metallic/dielectric structure is considered at first.Then,a new method to deal with the junction of composite metallic and dielectric structures based on the method of moment is presented.With the continuity of the electric current,electric and magnetic fields,the current cross the junction edges can be seen as the dielectric electric current.Comparing to the existing methods,it can get the full rank impedance matrix directly,simply deal with the junction and require the less memory.Numerical result obtained in this paper show the validity and accuracy of the method.