Objective:
To have the understanding of Transmission Impairments
and Performance of Transmission Medium.
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(Strict disciplinary action will be taken in this case). Question No.1:
Consider a noisy channel in which the value of the signal-to-noise ratio is 2500 and the channel capacity according to Shannon Capacity formula is 33840 bps. Find its bandwidth? Provide your answer with full calculation and correct unit.
Question No. 2:
Suppose a signal travels through a transmission medium and due to some reasons its power is reduced to quarter. You are required to measures the relative strength of this signal before and after power loss. Provide your answer with full calculation and correct unit.
Note: Give you solution with all relevant calculations in given tables. |
Tags:
yeh p2 ki -6.02 value kahan se aye jb ka hum formula mai p2 ko put ker chuky hai.
ifza take log10 of 0.25 that will be equal to 0.6 then multiply 0.6 with 10 the answer will be 6
Assignment No: 2 (Lessons 28 – 30)
salam if you ,ve solution of this assignment please.
Question 1: Marks: 3+4=7
a) A box contains 4 red and 5 white flowers. A random sample of 6 flowers is drawn without replacement from the box. Find the probability that the sample contains 3 red flowers.
b) If X is binomially distributed with mean 8 and variance 4.8, then find the parameters of binomial distribution.
Question 2: Marks: 3+5=8
a) Suppose the number of defective screws produced by a machine per day follows Poisson distribution with parameter 2. What is the probability that, out of the total production of the day, there are at least one defective screw?
b) The Army reports that the distribution of head circumferences among soldiers is approximately normal with mean 23.4 inches and standard deviation 1.4 inches. What percent of soldiers have a head circumference between 21.0 inches and 24.0 inches?
CS601 ASSIgnment SOlution See attach file
q no 2 sol
Signal strength before loss =100w =20dB Signal strength after loss = 25w = 13.9794 dB |
Loss= 20dB-13.9794dB
=-6.0206 dB
Suppose a signal travels through a transmission medium and due to some reasons its power is reduced to quarter. You are required to measures the relative strength of this signal before and after power loss. Provide your answer with full calculation and correct unit.
dB=10 log10(0.25P1/P1)
=10 (-0.6)
=-6.02
So P2 =-6.02
We know that P2 = 0.25 P1
There for P1=P2/0.25
=-6.02/0.25
=-24
2 |
Shannon Capacity Formula
C=B*log2 (1+S/N)
33840=Blog2(1+2500) 33840=B(11.288) |
33840/11.288 Hz = B
2997.87
Question No.1:
Consider a noisy channel in which the value of the signal-to-noise ratio is 2500 and the channel capacity according to Shannon Capacity formula is 33840 bps. Find its bandwidth? Provide your answer with full calculation and correct unit.
Q2
Suppose a signal travels through a transmission medium and due to some reasons its power is reduced to quarter. You are required to measures the relative strength of this signal before and after power loss. Provide your answer with full calculation and correct unit.
dB=10 log10(0.25P1/P1)
=10 (-0.6)
=-6.02
So P2 =-6.02
We know that P2 = 0.25 P1
There for P1=P2/0.25
=-6.02/0.25
=-24
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