Lab 3 Antennas
Antenna Gain What factors determine antenna gain? Effective Area Wavelength
Propagation modes Ground Wave Sky-Wave Progagation Line Of Sight
For parabolic reflective antenna with diameter 2 meter ,operating at 12 GHz ,what is the effective area and the antenna gain ?
State which mode applied to each system Am Radio – Ground wave Propagation International Broadcast Such as BBC- Sky Wave Propagation Satellite Communication – Line Of Sight
Name and briefly four types of noise ?
How to overcome the attenuation ? Use Amplifiers and Repeaters
Show that doubling the transmission frequency or doubling the distance between transmitting antenna and receive antenna the power received by 6 dB?
Determine the height of an antenna for TV station that must be able to reach customers up to 80 km away
What the thermal noise of a channel with a bandwidth of 10 KHz carrying 1000 Watt of power operating at 50 C ? Compare the noise level to the operating power