Radio Communication System Ppt

Emphasize that this is only the tip of the iceberg.

Radio communication system ppt.

I field manual no. Fm 6 02 53 distribution restriction. The basics of command control and of radio procedures. In this first chapter we explore those principles and the different ways in which people communicate.

We also look at radio waves and learn how radio technology is able to make your voice heard many miles away. Radio frequency spectrum is a key distinguishing factor used to compare alternative mobile radio systems. 5 28 1997 4 58 32 pm document presentation format. 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.

23 28 practical application exercise. Figure 2 3 shows the elements of a radio communication system. Magtf communications system equipment prc 117f p. Radio spectrum for communications ranges from approximately 30 hz termed extremely low frequency elf to above 100 ghz termed extremely high frequency ehf.

These signals are fed to the modulator. Tbs is the the basic school so they will not be getting the most high speed gear out there. 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. At the same time an oscillator circuit generates the fixed frequency carrier waves which.

Clint sprott created date. Sprott last modified by. Future technology for radio communication cognitive radio networks cognitive radios have the ability to monitor sense and detect the conditions of their operating environment. The microphone transforms sound waves into electrical signals.

A cognitive radio is an intelligent radio that can be programmed and configured dynamically. Radio communication system related digital audio broadcast system. Because of its capability to provide very wide area coverage and pene. All forms of communication follow the same basic principles.

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