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Electro-Magnetic Wave Propagation for the course Propagation and Antennas
Engineering and Construction
Pages 5 (1255 words)
Electromagnetic Wave propagation Abstract – To communicate wirelessly involves transmission of signal either analogue or digital from one geographical location to another. To facilitate this, modulation is necessary to enable encoding of the information onto another carrier wave using either digital or analogue techniques…
This paper discuss the properties of waves during propagation. I. Introduction Electromagnetic radiation otherwise abbreviated as EMR refers to forms of energy which are produced by oscillating magnetic and electric disturbances or by movement of electrically charged particles travelling through matter or a vacuum . Electromagnetic Radiation is in the forms of waves. These waves include: Radio Waves, Microwaves, Infrared, X- rays and Gamma-rays . The magnetic and electric fields resulting in the electromagnetic waves interact by coming together at right angles to each other and these combined waves move perpendicular to both electric and magnetic oscillating fields and as a result, the disturbance is caused . The resulting electron radiation is released in bundles of light energy which travel at a speed of 299 792 458 m / s, equivalent to the speed of light, as quantized harmonic waves. These electromagnetic waves are grouped according to their wavelength and these results in the electromagnetic spectrum . The resultant magnetic and electric waves move perpendicularly to each other having certain characteristics which are Amplitude, frequency and wavelength . ...
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