If x(t)=A sin(50 Tt) -B cos (100t), and the fs =200 Hz, then is the discrete time signal x[n] is equal to:* O A sin 0.25n+ B cos 0.5n O A sin 0.25nn+ B cos 0.5rn O A sin 0.25tn+ B cos 0.5n O A sin 0.5run+B cos 0.5rn
If x(t)=A sin(50 Tt) -B cos (100t), and the fs =200 Hz, then is the discrete time signal x[n] is equal to:* O A sin 0.25n+ B cos 0.5n O A sin 0.25nn+ B cos 0.5rn O A sin 0.25tn+ B cos 0.5n O A sin 0.5run+B cos 0.5rn
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
Problem 4RQ: An RC series circuit has a total impedance of 84 . The resistor has a value of 32 . What is the...
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![If x(t)=A sin(50 Ttt) +B cos (100t), and the fs =200 Hz, then is the discrete time
signal x[n] is equal to: *
O A sin 0.25n+ B cos 0.5n
A sin 0.25n+ B cos 0.5rn
O A sin 0.25nn+ B cos 0.5n
A sin 0.5tn+ B cos 0.5nn
If x(t)=3cos100rtt what is the sampling rate to avoid aliasing *
О 100
50 п
50
100n
For 32-points, how many times the FFT is faster than the direct evaluation using
DFT if complex addition times are O.1 sec and complex multiplication times are 1
sec? *
O 96
1.123
O 11.7
O 160
O 80](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F365cff4b-4545-43d4-acec-4c325125d8b6%2Fb43779fa-a1c8-422a-bb35-37ab964d4d03%2Fef06nh5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:If x(t)=A sin(50 Ttt) +B cos (100t), and the fs =200 Hz, then is the discrete time
signal x[n] is equal to: *
O A sin 0.25n+ B cos 0.5n
A sin 0.25n+ B cos 0.5rn
O A sin 0.25nn+ B cos 0.5n
A sin 0.5tn+ B cos 0.5nn
If x(t)=3cos100rtt what is the sampling rate to avoid aliasing *
О 100
50 п
50
100n
For 32-points, how many times the FFT is faster than the direct evaluation using
DFT if complex addition times are O.1 sec and complex multiplication times are 1
sec? *
O 96
1.123
O 11.7
O 160
O 80
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