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CHAPTER 3: ANTENNAS - MIT OpenCourseWare
The flux density Wm 2 incident on various targets when one-megawatt radar pulses are transmitted can be calculated using: P2 T 2 PWm G , 4R TIx S (3.1.4) Radar pulses directed toward the moon, Jupiter, and the star Antares at distances R 3u108, 1012, and 3u1016meters yield fluxes of 10 5, 10 12, and 10 21 watts/meter2, respectively.
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