Radio Communication System Ppt

Overview and agenda of platform class.

Radio communication system ppt.

6 02 53 headquarters department of the army washington dc 5 august 2009 tactical radio operations. Propagation characteristics of radio channels 8 flynn katz sdr july 1 2010 ground wave low mhz waves guided between earth and ionosphere distance of communication varies based on wavelength am radio 1 mhz propagates 100 miles in day but longer at night predictable propagation sky wave. Emphasize that this is only the tip of the iceberg. Future technology for radio communication cognitive radio networks cognitive radios have the ability to monitor sense and detect the conditions of their operating environment.

Magtf communications system equipment prc 117f p. All forms of communication follow the same basic principles. 23 28 practical application exercise. Tbs is the the basic school so they will not be getting the most high speed gear out there.

5 28 1997 4 58 32 pm document presentation format. Because of its capability to provide very wide area coverage and pene. A cognitive radio is an intelligent radio that can be programmed and configured dynamically. Figure 2 3 shows the elements of a radio communication system.

Radio frequency spectrum is a key distinguishing factor used to compare alternative mobile radio systems. We also look at radio waves and learn how radio technology is able to make your voice heard many miles away. The basics of command control and of radio procedures. The microphone transforms sound waves into electrical signals.

Fm 6 02 53 distribution restriction. Communications equipment ł vhf has the advantage of being able to pass through bushes and trees ł vhf has the disadvantage of not reliably passing through buildings ł 2 watt vhf hand held radio is capable of transmitting understandably up to 30 miles line of sight radio theory the basics. Radio communication system related digital audio broadcast system. Sprott last modified by.

At the same time an oscillator circuit generates the fixed frequency carrier waves which. I field manual no. In this first chapter we explore those principles and the different ways in which people communicate. These signals are fed to the modulator.

Its transceiver is designed to use the best wireless channels. Unlike the telephone transmitter the microphone used in radio communication has an electromagnet as main component.