2. Determine whether the following discrete-time signals are periodic or not? For the periodic ones, find...
Determine whether the following discrete-time signals are periodic or not? For the periodic ones, find their fundamental period. 2. (5 points each) a. x1 [n] =sin(0.5n +z/4) c. x1n] = cos (tn/3) + sin(nn/5)-2cos(tn/10) d. x4[n]- sin(tn/12) cos(tn/3) (Hint: use trigonometric identities to write the signal as a sum of sinusoids)
5. (10 Pts) Discrete time signals Determine if the following signals are periodic. If yes, give the fundamental periods. x[n] = sin (10.) ne 리721 12
Chapter 1: Problem 1. Determine whether or not each of the following signals is periodic. In case a signal is periodic, specify its fundamental period. a.X (n) = 3 cos (5n + 4) b. x(n) = 2 exple-t) C. x(n) = cos () cos (4) d. "(m) = cos (3)- sin (a) + 3 cost 8 cos )
1. Determine whether or not each of the following signals is periodic. In case a signal is periodic, specify its period. sin(411t n+2) • cos? (in) . Can we use the formula, f = min ( - 14|1 - 4 + l{\), to find the period of sin(fnt n) or cos(2ft n)?
3. Determine whether or not each of the following signals is periodic. If a signal is periodic fundamental period x(t)=cos(2t+4 Determine whether the following signals are Energy signals or Power signals a. 4.
Find the discrete-time Fourier Series for the following periodic signals: 3. 4 cos 2.4n n + 2 sin 3.2n n x[n] a. xn 0 12 15 6 b. xn 2N No 2N C.
Instruction: Determine whether or not each of the following signals is periodic. If a signal is periodic, determine its fundamental period.1. x[n] = ej(π/4)n 2. x[n] = cos1/4n 3. x[n] = cosπ/3 n + sinπ/4 n 4. x[n] = cos2π/8 n
It's about signals and systems. I need some help to make MATLAB codes of this problems. Thank you :) Discrete-Time Periodic Signal 4 1. Convolution and Discrete-Time Fourier Series (DTFS) (a) Generate a periodic signal r2n] with the fundamental period N n]sin(2Tn/10)sin(27n/20) sin(27n/30), for 0nN-1 Find the fundamental frequency 2T/N with the fundamental period N (b) Generate a periodic signal h2[nl with the fundamental period N h2[n](1/2)", for 0n< N - 1 (c) Using the conv function in Matlab, compute...
I need the solution of c and d only 3. Determine whether the following signals are periodic or not. If periodic, find the fundamental period a. m(t) = (cos(2t - FU/3)] b. x(t) - Even (sin(Art).(t)) c. x(t)= cos(n.1/2) cos(n.rt/4) d. X(t)- cos(np.n/2)
Discrete-time signal. Question is regarding Signals and Systems. Find the fundamental period of each these functions. (a) g[n]=cos(27n/10) (b) g[n] = cos(in/10)= cos(2īn/20) (c) g[n] = cos(2n/5)+cos(2 ron /7) (d) g[n]=ej 2an/20 +ej27n/20 (e) g[n]=e+j27n/3 + ej27n/4 (f) g[n]=sin(1310n/8) –cos(97n/6)=sin(2x1310n/16) -cos (2x3mn/4) (8) g[n]=e367n/21 + cos(22n/36)– sin(11ăn/33)