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This question was created from HW_658_Feb_18


I am unable to answer the bonus question.


1. We have two noise sources and an RMS voltmeter. We measure the RMS values and
they are 3V and 5V. We would like to determine the correlation coefficient but we have
an adder only. Putting the two noise sources in series produces a noise with 4V effective
a) How much is the correlation coefficient? (2 points)
b) How large will be the resulting noise if we reverse the polarity of one of the noise
sources? (1 point)
2. Design: using the two correlated noises shown above, create two uncorrelated noises
by a linear combination of them. You are free to choose how large will be these noises.
Provide the required weighting factors for the linear combination of the noises. (2 points)
BONUS: Both uncorrelated noise must have 1 V rms amplitude. (3 points)

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