Ask
Login
Session expired
0
votes
1
answer
684
views
1
answer
Find FTP of signal if it is periodic, (i) $x(t)=\sin 2 t+\cos 3 \pi t$ (ii) $\times(t)=\sin 2 \pi t+\cos \sqrt{2} \pi t$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
1.0k
views
1
answer
Determine whether the following systems are time invariant or not, $y(t)=x(t) \sin w t$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
518
views
1
answer
Check whether the following is periodic or not. If periodic, determine fundamental time period, $x(t)=2 \cos (5 t+1)-\sin (4 t)$ t
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
762
views
1
answer
Given a sequence $x(n)$ for $0 \leq n \leq 3$, where $x(0)=1, x(1)=3, x(2)=3$, and $x(3)=4$. Evaluate its DFT $X(k)$.
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
499
views
1
answer
Compute the DFT of the following two sequences, $h[n]=\{1,3,-1,-2\} \quad$ and $\quad x[n]=\{1,2,0,-1\}$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
608
views
1
answer
Find the Initial and final Halves, $ x(z)=\frac{1+z^{-1}}{1-0.25 z^{-2}} $
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
654
views
1
answer
$ \text { Determine inverse } z \text {-transform } x(z)=\frac{1}{1-0.5 z^{-1}+0.5 z^{-2}} $ for (i) $R_{\propto}:|z|>1$ (ii) $R_{0 C}+1<0.5$ (iii) ROC $0.5<|2|<1$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
2.0k
views
1
answer
Determine z-transform of the following $ x(n)=\{1,2,3,4,5,0,7\} $
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
471
views
1
answer
Find the direct form II structure of, $ H(S)=\frac{5 S^3-4 S^2+11 S-2}{\left(S-\frac{1}{4}\right)\left(S^2-S+\frac{1}{2}\right)} $
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
478
views
1
answer
$ \text { Find inverse Laplace Transform of } X(S)=\frac{S^2+9 S+1}{S\left[S^2+6 S+8\right]} $ $ \text { Find ROC for } i) \operatorname{Re}(s)>0 $
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
498
views
1
answer
Determine initial value and final value of the following signal, $X(S)=\frac{1}{s(s+2)}$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
665
views
1
answer
Find unilateral Laplace transform for the following signals, $ x(t)=u(t) $
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
499
views
1
answer
Determine whether the following systems are linear or not, $ y(n)=x(n-2)+x\left(n^2\right) $
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
487
views
1
answer
Determine whether the following systems are linear or not, $ \frac{d y(t)}{d t}+t y(t)=x^2(t) $
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
560
views
1
answer
Obtain the F.S expression for the waveform shown in the figure,
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
494
views
1
answer
The amplitude of first odd harmonic of the signal shown below is,
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
477
views
1
answer
Determine whether the functions given can be represented by a Fourier series, a) $x(t)=\cos 6 t+\sin 8 t+e^{i 2 t}$ b) $x(t)=\cos (t)+\sin \Pi t$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
430
views
1
answer
The signal $x(t)$ has FTP $T_0=1 \&$ the following Fourier coefficients, $C_k=\left\{\begin{array}{cc}\left(-\frac{1}{3}\right)^k, & k \geq 0 \\ 0, & k<0\end{array}\right.$ Find $x(t)$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
458
views
1
answer
Find the coefficient of Fourier Series for the given signal, $$ \mathrm{x}(t)=\sum_{n=-\infty}^{\infty} \delta\left(t-n T_0\right) $$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
2.8k
views
1
answer
Find the inverse DFT of $X(k)=\{1,2,3,4\}$.
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
594
views
1
answer
Obtain Cascade form realization, $$ y(n)-\frac{1}{4} y(n-1)-\frac{1}{8} y(n-2)=x(n)+3 x(n-1)+2 x(n-2) $$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
469
views
1
answer
Find output response using Z-transform, $ y(n)-\frac{3}{2} y(n-1)+\frac{1}{2} y(n-2)=2 x(n)+\frac{3}{2} x(n-1) $
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
506
views
1
answer
Find response of system using DTFT, $$ h(n)=\left(\frac{1}{2}\right)^n u(n) ; x(n)=\left(\frac{3}{4}\right)^n u(n) $$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
501
views
1
answer
Determine the frequency response and impulse response, $$ y(n)-\frac{1}{6} y(n-1)-\frac{1}{6} y(n-2)=x(n) $$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
0
votes
1
answer
363
views
1
answer
Obtain Inverse Z-Transform of, $ X(z)=\frac{1}{1-0.6 Z^{-1}+0.08 Z^{-2}} $ $$ \text { for i) }|Z|>0.4 \text { ii) }|Z|<0.2 \text { iii) } 0.2<|Z|<0.4 $$
discrete time signal processing updated 3.0 years ago by thambisrilalith126 • 20
<prev • 28,287 results • page 9 of 1132 • next >