un:dipole-antenna
Differences
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| un:dipole-antenna [2024/06/30 04:52] – created asad | un:dipole-antenna [2024/06/30 04:55] (current) – asad | ||
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| $$ P \propto \sin^2\theta $$ | $$ P \propto \sin^2\theta $$ | ||
| - | just as the flux $S\propto \sing^2\theta$ for a single accelerated charge. A **short** dipole behaves just like a point charge in this sense. If we want to find the total time-averaged power we have to perform a similar integration as we did in the // | + | just as the flux $S\propto \sin^2\theta$ for a single accelerated charge. A **short** dipole behaves just like a point charge in this sense. If we want to find the total time-averaged power we have to perform a similar integration as we did in the // |
| $$ \langle P \rangle = \int \langle S \rangle dA = \frac{\pi^2}{3c} \left(\frac{I_0l}{\lambda}\right)^2 = \frac{\pi^2}{3c} (I_0 l_\lambda )^2 $$ | $$ \langle P \rangle = \int \langle S \rangle dA = \frac{\pi^2}{3c} \left(\frac{I_0l}{\lambda}\right)^2 = \frac{\pi^2}{3c} (I_0 l_\lambda )^2 $$ | ||
un/dipole-antenna.1719744746.txt.gz · Last modified: by asad