Music Articles
41: Pulse Code Modulation
Pulse amplitude modulation, pulse width modulation and pulse position modulation form cases of analog pulse system. Pulse code modulation and delta modulation form cases of digital pulse modulation. P
42: Fading
By fading of a radio signal we mean that incident wave change in the field strength of signal received from distant transmitter. The fading of signal may be put into the following two categories namel
43: Effects on ionosphere
A solar eclipse causes a decrease in the critical frequency of E and F1 layer. The variation of critical frequency is approximately in phase with the optical eclipse. The ionization in E and F1 layer
44: Effect of magnetic field on radio waves
The radio waves traveling through the ionosphere possess kinetic energy. This kinetic energy is imparted to the free electrons. Thus these free electrons in the ionosphere are set to vibration. These
45: Effect of ionosphere on radio wave
The radio waves traveling through the ionosphere possess kinetic energy. This kinetic energy is imparted to the free electrons. Thus these free electrons in the ionosphere are set to vibration. These
46: Duct propagation
In troposphere under normal conditions the air pressure water vapor pressure and temperature reduces with the increase of height above earth. As a result of this the refractive index also reduces with
47: Critical frequency
Critical frequency is the maximum frequency of the radio wave which is returned from a layer for normal incident. In case the frequency of the radio wave exceeds the critical frequency the influence o
48: How to Throw an 80s Theme Party
So how fun would it be to go all out and throw an 80's theme party? Do you remember the days of the Rubik's Cube, Pac-Man, big hair bands, phrases like "totally awesome", and of course you can't forg
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