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1.1k
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Find the IDFT of the sequences X(K)= {4, 1 - j2.414 , 0 , 1 + j0.414 , 0, 1 - j0.414 , 0, 1 - j2.414 } using DIF Algorithm
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Explain differentiation between Digital and Analog Filters.
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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642
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Convert the analog filter with system function, $$ H_a(s)=\frac{s+0.5}{(s+0.5)^2+16} $$
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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345
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Apply the bilinear transformation to, $$ H_a(s)=\frac{4}{(s+3)(s+4)} $$ with T = 0.5 s and find H(z).
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Design digital low pass IIR Butterworth filter for the following specifications:
discrete time signal processing updated 2.3 years ago by sagarkolekar ★ 11k
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140
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Obtain $H(z)$ from $H_a(s)$ when $T=1 \mathrm{~s}$ and $H_a(s)=\frac{3 s}{s^2+0.5 s+2}$ using the bilinear transformation.
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Using the bilinear transformation, obtain H(z) from Ha(s) when T = 1s and $H_a(s)=\frac{s^3}{(s+1)\left(s^2+2 s+2\right)}$
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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A digital filter with a 3 dB bandwidth of 0.4 is to be designed from the analog filter whose system response is, $H(s)=\frac{\Omega_c}{s+2 Q_c}$...
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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141
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Determine the order of a Butterworth low-pass filter satisfying the following specifications: $f_p=0.10 \mathrm{~Hz}$ $f_s=0.15 \mathrm{~Hz}$ $\alpha_p=0.5 \mathrm{~dB}$
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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774
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Design a digital IIR low-pass filter with a passband edge at 1000 Hz and stopband edge at 1500 Hz for a sampling frequency of 5000 Hz. ..
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Determine the system function $H(z)$ of the lowest order Chebyshev IIR digital filter with the following specifications:
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Determine the lowest order of Chebyshev filter that meets the following specifications: (i) $1 \mathrm{~dB}$ ripple in the passband $0 \leq|\omega| \leq 0.3 \pi$
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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783
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The length of an FIR filter is 7. If this filter has a linear phase, show that $ \sum_{n=0}^{N-1} h(n) \sin (\alpha-n) \omega=0 $ is satisfied.
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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The following transfer function characterizes an FIR filter (N = 9). Determine the magnitude response and show that the phase and group delays are constant.$$ H(z)=\sum_{n=0}^{N-1} h(n) z^{-n} $$
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Design an ideal low-pass filter with N = 11 with frequency response,
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Determine the values of power and energy of the following signals. Find whether signals are power, energy or neither energy nor power signals: $$ \quad x(n)=\left(\frac{1}{3}\right)^n u(n) $$
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Determine the values of power and energy of the following signals. Find whether signals are power, energy or neither energy nor power signals: $ x(n)=e^{j\left(\frac{\pi}{2} n+\frac{\pi}{4}\right)} $
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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431
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Determine whether the following systems are causal or non-causal.$$y(n)=x(n)+\frac{1}{x(n-1)} $$
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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784
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Test the stability of the system whose impulse response , $ h(n)=\left(\frac{1}{2}\right)^n u(n) $
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Determine the 8-point DFT of the sequence x(n)={1,1,1,1,1,1,0,0}
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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Show the mapping from s-plane to z-plane using Impulse Invariant method and explain its limitation. Using this method determine H(z). Assume T= 0.1 sec.
discrete time signal processing updated 4.6 years ago by teamques10 ★ 65k
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Design a digital Butterworth IIR filter that satisfies the following constraint using BLT. Assume T= 0.1sec
discrete time signal processing updated 4.6 years ago by teamques10 ★ 65k
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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 17 months ago by prajapatijaimin • 3.1k
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237
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Obtain the F.S expression for the waveform shown in the figure,
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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222
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Determine whether the following systems are linear or not, $ y(n)=x(n-2)+x\left(n^2\right) $
discrete time signal processing updated 17 months ago by prajapatijaimin • 3.1k
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