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Electromagnetic (EM) Wave Propagation Electromagnetic (EM) Wave Propagation: Electromagnetic wave in the frequency spectrum of 0.001 to 1016 Hertz is arbitrarily termed as radio waves, although broadly speaking by radio…
Ground or Surface Wave A wave is said to be a ground wave or surface wave when it propagates from transmitter to receiver by gliding over the surface of the earth. This wave exists…
Rhombic Antenna The rhombic antenna is based on the principle of travelling wave radiator. By application of return conductor, two wires are pulled apart at a point so that diamond…
Lens Antenna Lens Antenna is an antenna which consists of an electromagnetic lens with a feed. In other words, a lens antenna is a three-dimensional electromagnetic device whose refractive index…
Babinet’s Principle Babinet’s principle states that the sum of the field at a point behind a plane having a screen and the field at the same point when a complementary screen…
Difference between Broadside and End fire array In this post, we will see & learn about the basic difference between Broadside and End fire array. First of all the basic…
Antenna Array An antenna array is a system of similar antennas oriented similarly to get greater directivity in the desired direction. It may be defined as, "A radiating system consisting…
Helical antenna is an antenna which has a helix or spring shape. Its polarisation and radiation properties depend on the diameter, pitch, number of turns, wavelength, excitation and spacing between…
The antenna which has the shape of horn is called as ‘Horn Antenna’. Its shape is as because of a waveguide has one end of which is flared out. A…
http://electronics-club.com/what-is-antenna Yagi Uda Antenna Yagi-Uda or Yagi antenna is a high gain antenna and it is known as after the name of Professor S. Uda & H. Yagi. Yagi antenna…