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Suppose we have a fixed coordinatre system (x,y,z). Suppose an antenna is horizonally polarized. Is the orientation of the E field fixed as a function of (x,y,z). Or does it change?
Antenna polarization refers to the orientation of the electric field of an electromagnetic wave as it propagates through space. This orientation is typically described as either horizontal, vertical, or circular.
Fixed E-field orientation refers to the specific direction in which the electric field of an antenna is oriented. This is typically determined by the physical design of the antenna and cannot be changed once it is constructed.
The polarization of an antenna must match that of the incoming signal for optimal reception. If the polarizations do not match, there will be signal loss and reduced performance.
Using a fixed E-field orientation in antenna design allows for better control and optimization of the antenna's performance. It also reduces the complexity and cost of the antenna design.
Yes, an antenna with fixed E-field orientation can still receive signals of different polarizations, but there may be reduced performance and signal loss. It is best to use an antenna with a polarization that matches the incoming signal for optimal reception.