QueenDexii416 QueenDexii416
  • 24-02-2018
  • Computers and Technology
contestada

A signal with 200 milliwatts power passes through 10 devices, each with an average noise of 2 microwatts. what is the snrdb

Respuesta :

Diatonic254
Diatonic254 Diatonic254
  • 06-03-2018

Given that the signal is 200 mW, you will convert this into Wats;

200/1000 = 0.2W

Noise = 10×2×10⁻⁶=2×10⁻⁵

Therefore the SNR = Average signal power÷Average noise power

0.2/2×10⁻⁵=10000

Thus:

SNR db = 10 ㏒₁₀ (SNR)

So in this case 10 ㏒₁₀ (10000) = 40.










Answer Link

Otras preguntas

a) What percentage of 5³ is 5? b) What percentage of 5³ is 5²?​
Select the correct answers from each drop-down menu. Triangle XYZ has an altitude as shown. Eric and Maggie are both trying to prove the law of sines. The proof
As a member of the student council at your school, you want to determine if the seventh-grade students prefer to have an after-school soccer program or an after
Please help with this question I really need help!
Olivia is on a swing at the playground. A girl is swinging on a swing set. At W she is about 45 degrees up and to the left. At X she is near the bottom of the
The amount of bacteria in a culture doubles every minute. The culture starts with 20 bacteria. a. Write an equation modelling the number of bacteria, y, after x
If cos43=p, determine.without the use of a calculator,the value of each of the following in terms of p
please help and explain
please help and explain
Which of the following processes depend on fission? Check all that apply. A. fuel cells B. the atomic bombs used in World War II C. the energy production of the