1.

A microwave antenna with the absorbing cross-section area (A) and the power flux density (S) in the incident wave is employed as an absorber. The absorbed power (P) of the antenna is

A. \(\frac{A}{S}\)
B. \(\frac{S}{A}\)
C. SA
D. \(\frac{{S + 1}}{{A - 1}}\)
Answer» D. \(\frac{{S + 1}}{{A - 1}}\)


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