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Further research on the behavior of energy density of electromagnetic pulses

✍ Scribed by Wen Geyi

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
445 KB
Volume
12
Category
Article
ISSN
0895-2477

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✦ Synopsis

In this article we investigate the behavior of the energy density of electromagnetic pulse on the basis of a general integral expression for the radiated field in the time domain. The relationship between the rate of decay of the radiated energy of an electromagnetic pulse and the exciting source has been discussed. It has been demonstrated that the shorter the rise time of the exciting pulse, the slower the decay of the radiated electromagnetic energy. It has also been shown that for a pulse with a canier the decay of the radiated energy can be slowed down by increasing the fkquency of the carrier. These properties indicate that the high-Pequency components in an exciting pulse play a crucial role in focusing

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