Assertion: antenna's power | /r/HasProperty | radiated
Facets:
Source sentences:
text: If a current I is delivered to the terminals of an antenna, then a power of I2 R r will be radiated and a power of I2 R loss will be lost as heat.
text: It may be considered as the capability of an antenna to direct radiated power in a given direction.
text: If the power has to be radiated, though the current conduction is with uniform velocity, the wire or transmission line should be bent, truncated or terminated.
text: This accepted power is either radiated or absorbed as losses within the antenna.
text: If these impedances are not matched, the antenna will reflect some of the power back toward the transmitter, so not all the power will be radiated.
text: Then the radiation resistance is calculated from the power by conservation of energy, as the resistance the antenna must present to the input current to absorb the radiated power from the transmitter, using Joule's law R R = P R
text: In contrast, when making a microstrip transmission line (where no power is to be radiated), a high value of is desired, so that the fields are more tightly contained (less fringing), resulting in less radiation.
text: If a current I is delivered to the terminals of an antenna, then a power of I2 R r will be radiated and a power of I2 R loss will be lost as heat.