2) Consider the sinusoidal signal x(t) =cos(500rt + 0), and suppose that this signal is sampled, using impulse sampling, at w, = 10007 =(2 rf;), in order to achieve the signal Xp(t) as: +00 п 500 500- a) Find the signal g(t) such that x(t) = cos(0) cos(500rt) + g(t). b) Show that g () = 0 for n = 0,±1,±2, .. c) Using the results of the previous two parts, show that if the sampled signal is applied as the input to an ideal low-pass filter with cutoff frequency w. = 500x, the resulting output is x„(t)=cos(0) cos(500zt).
2) Consider the sinusoidal signal x(t) =cos(500rt + 0), and suppose that this signal is sampled, using impulse sampling, at w, = 10007 =(2 rf;), in order to achieve the signal Xp(t) as: +00 п 500 500- a) Find the signal g(t) such that x(t) = cos(0) cos(500rt) + g(t). b) Show that g () = 0 for n = 0,±1,±2, .. c) Using the results of the previous two parts, show that if the sampled signal is applied as the input to an ideal low-pass filter with cutoff frequency w. = 500x, the resulting output is x„(t)=cos(0) cos(500zt).
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.4: Hyperbolas
Problem 5ECP: Repeat Example 5 when microphone A receives the sound 4 seconds before microphone B.
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