Article | May 18, 2021

The Polarization Loss Factor In Antenna Communication

Source: Cadence Design Systems, Inc.
cadence

Electromagnetic (EM) waves are characterized by electric and magnetic fields; in a plane EM wave, electric and magnetic fields are perpendicular to each other and the direction of the wave propagation. The polarization of an EM wave is a term that describes the orientation of its electric field vector. 

Polarization is an essential concept in antenna-to-antenna communication. According to the shape traced by the electric field vector, polarization can be classified in three ways: linear, circular, or elliptical. Signal reception is damaged if the polarization of the antennas does not match; any polarization mismatch is characterized using the polarization loss factor.  

Let’s take a closer look at the issues posed by a polarization mismatch and the importance of the polarization loss factor.

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