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Question 1: (5 Marks)
When a signal travels from source to destination, it may b affected by different external factors that cause the loss of energy, due to which the signal may differs from its actual shape. In the given table you are required to identify the type of noise with respect to noise source.
Noise Source Noise Type
Extra Signal generated by Motion of Electron
Question 2: (5 Marks)
Suppose a signal is generated from a source with initial power of 1000W but due to attenuation it is received at destination (80 Km away from source) with power of 100W. Find the total power loss in decibels by writing formula with all calculation steps.
Question 3: (5 Marks)
Suppose you need to have simultaneous transmission of signals through a single medium, then which technique will be used to fulfill this requirement? Also describe, how does that technique work at sender and receiver end?
NOTE: Do not put any query on MDB about this assignment, if you have any query then email at firstname.lastname@example.org.
Deadline: Your assignment must be uploaded/submitted on or before 14th July 2014.
bewakoof dost se akalmand dushman behtar he
wo dost lagta ha pagal ha
yahan se explain akr den plz
yahan se kuch smj ni aaya
10 log or power ki value kahan se aaa gai???
yahan tu minus ho rha tha formula me = me ap ne multiply kar dia
plz thora explain kar den
ap ne galt solve ki hoi yahan 10(-1) ni balke 10 (.1) aati hy or minus kahan se aaya ye b bta den plz
yr log (0.1)=-1
yes its true log(.1)=-1 he hai 10db tk solution thek hai but agy kesy kerna hai.and some solution about Q3 please
hey are u sure about this solution??? where did u get this??
Telephone Wire = crosstalk
Water Pump = induced
Extra Signal generated by Motion of Electron = thermal
Grinder = impulse
please tell me am i ryt bcz according to lectures i think its ryt ....
Q3 KA ANS KIA HY