Abstract:
In a c un cation s stem or a its control system sosetimes it is jmpossib1s to connectt the tV* systess by wire links,, say be due to scae enviroissataZ eon&ttions or other reasons. Jor ramp , CoEsunicatloft b twon stat To ry and mobile object such as ship to shore, fros ground to aircraft, from ship to ship or from aircraft to aircraft or between satellites tts C known as apace cosmtueat n),, the control of
sachinery trca outside and there are otter numerous exp +s iere the communication between the two .systems by
afire links Is ipossible. in aU such cases the radio coesunica .
tion by wireless is the on3 atteriutiis. ,
A digital aultipezing tem o for t`n~ has been designed fabricated and tested for tram ,AUng four psrss.tsrs of a d.ó. shunt motor on a I W,, I Z4Rz A.14. trans. sitter, fLriariy a digital dsa4tipk has boon designed fabricated and tested fen disp2sying the for signals, the exact replica of the Input signals, o a digital display. The tiho2s system is designed and fabricated by veins the third generation technique i.e. integrated dreuit tscb oaogy, lastly for tr*nsaittjng a 3 rgo number of si ► ,s ever a certain di$tan ai it will be definite ► draper than the other systems and also mere reliable,
