of antenna for an application is 1/4 (one-quarter) the wavelength of the target frequency. This is referred to as the "resonant length" of an antenna for a specific frequency. When a sine wave starts out at the input of the antenna (the feedpoint), it has one polarity. When it hits...
of antenna for an application is 1/4 (one-quarter) the wavelength of the target frequency. This is referred to as the "resonant length" of an antenna for a specific frequency. When a sine wave starts out at the input of the antenna (the feedpoint), it has one polarity. When it hits...
When a sine wave starts out at the input of the antenna (the feedpoint), it has one polarity. When it hits the end of the antenna 1/4 of a cycle later, it is reflected back in the opposite polarity and makes it back to the feedpoint another 1/4 of a cycle later. Since that r...
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in the opposite polarity and makes it back to the feedpoint another 1/4 of a cycle later. Since that reflected wave in the opposite polarity makes it back to the feedpoint 1/2 of a cycle later, it now matches the polarity of the 2nd half of the cycle of the original sine wave is...
When a sine wave starts out at the input of the antenna (the feedpoint), it has one polarity. When it hits the end of the antenna 1/4 of a cycle later, it is reflected back in the opposite polarity and makes it back to the feedpoint another 1/4 of a cycle later. Since that ...