Yl. Long et Hy. Jiang, ERROR ANALYSIS FOR FAR-FIELD APPROXIMATE EXPRESSION OF SOMMERFELD-TYPE INTEGRAL, IEEE transactions on antennas and propagation, 42(4), 1994, pp. 574-574
In this communication, the error of the Sommerfeld-type integral appro
ximate expression given by Chew [1] in the far field is discussed. It
is demonstrated that Chew's method is correct, not only intuitively, b
ut also rigorously.