THE CORRECTED INDUCED SURFACE CURRENT FOR ARBITRARY CONDUCTING OBJECTS AT RESONANCE FREQUENCIES

It is well known that using the method of moments in conjunction with either the electric or magnetic field surface integral equations (EFIE or MFIE) produces inaccurate surface currents on conducting bodies at resonance frequencies. A new technique is developed to correct the co mputed current by adding a correction factor term. This term is seen t o be the resonant mode current, obtained by employing the power method in the moment method matrix, multiplied by an unknown complex factor, Applying the condition of vanishing field inside the conducting objec t results in obtaining the unknown complex factor. Therefore, this tec hnique is hereafter referred to as correction factor technique (CFT). When the computed surface current on a conducting sphere, proposed tec hnique, is compared with the exact one, the numerical results show exc ellent agreement.