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Recent questions and answers in Digital Signal Processing
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UGCNETDec2014III66
A Butterworth lowpass filter of order $n$, with a cutoff frequency at distance $D_{0}$ from the origin, has the transfer function $H(u, v)$ given by $\frac{1}{1+\left[\frac{D(u, v)}{D_{0}}\right]^{2n}}$ $\frac{1}{1+\left[\frac{D(u, v)}{D_{0}}\right]^{n}}$ $\frac{1}{1+\left[\frac{D_{0}}{D(u, v)}\right]^{2n}}$ $\frac{1}{1+\left[\frac{D_{0}}{D(u, v)}\right]^{n}}$
answered
Jan 5, 2017
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ugcnetdec2014iii
digitalimageprocessing
butterworthlowpassfilter
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2
UGCNETDec2014III64
Given two spatial masks $S_{1}= \begin{bmatrix} 0&1&0 \\ 1&4&0 \\ 0&1&0 \end{bmatrix}$ $S_{2} = \begin{bmatrix} 1&1&1 \\ 1&8&1 \\ 1&1&1 \end{bmatrix}$ The Laplacian of an image at all points $(x, y)$ can ... Which of the following can be used as the spatial mask ? only $S_{1}$ only $S_{2}$ Both $S_{1}$ and $S_{2}$ None of these
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Dec 23, 2016
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Digital Signal Processing
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Sanjay Sharma
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ugcnetdec2014iii
imageprocessing
spatialmask
+2
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2
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3
UGCNETJune2016III58
Consider a discrete memoryless channel and assume that H(x) is the amount of information per symbol at the input of the channel; H(y) is the amount of information per symbol at the output of the channel. H(x $\mid$ y) is the amount of uncertainty remaining on x knowing y; and I(x;y)is the ... )H(y $\mid$ x)]; p(x) max [H(x)H(x $\mid$ y)]; p(x) max H(x $\mid$y); p(x)
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Dec 1, 2016
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Digital Signal Processing
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omveer
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693
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ugcnetjune2016iii
imageprocessing
discretememorylesschannel
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4
3sin(200rt) is amplitude modulated with 600
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Nov 28, 2016
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Digital Signal Processing
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rahuldb
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+1
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5
UGCNETDec2015III51
Blind image disconvolution is Combination of blur identification and image restoration Combination of segmentation and classification Combination of blur and nonblur image None of the above
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Aug 11, 2016
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Digital Signal Processing
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ugcnetdec2015iii
imageprocessing
discovolution
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6
UGCNETJune2012II18
Page Shift Keying (PSK) Method is used to modulate digital signal at 9600 bps using 16 level. Find the line signals and speed (i.e., modulation rate) 2400 bauds 1200 bauds 4800 bauds 9600 bauds
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Jul 5, 2016
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Digital Signal Processing
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Sanjay Sharma
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ugcnetjune2012ii
nongate
digitalsignalprocessing
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7
net12
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May 6, 2016
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Digital Signal Processing
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rude
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signalprocessing
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