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MCQs: A discrete time signal may be
1) Samples of a continuous signal
2) A time series which is a domain of integers
3) Time series of sequence of quantities
4) Amplitude modulated wave
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: DTFT is the representation of
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The transforming relations performed by DTFT are
1) Linearity
2) Modulation
3) Shifting
4) Convolution
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The DFT is preferred for
1) Its ability to determine the frequency component of the signal
2) Removal of noise
3) Filter design
4) Quantization of signal
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: Frequency selectivity characteristics of DFT refers to
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The Cooley–Tukey algorithm of FFT is a
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: FFT may be used to calculate
1) DFT
2) IDFT
3) Direct Z transform
4) In direct Z transform
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: DIT algorithm divides the sequence into
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The transformations are required for
1) Analysis in time or frequency domain
2) Quantization
3) Easier operations
4) Modulation
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The similarity between the Fourier transform and the z transform is that
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The ROC of a system is the
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The several ways to perform an inverse Z transform are
1) Direct computation
2) Long division
3) Partial fraction expansion with table lookup
4) Direct inversion
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The anti causal sequences have ______ components in the left hand sequences.
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: For an expanded power series method, the coefficients represent
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The IIR filter designing involves
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: For a system function H(s) to be stable
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: IIR filter design by approximation of derivatives has the limitations
1) Used only for transforming analog high pass filters
2) Used for band pass filters having smaller resonant frequencies
3) Used only for transforming analog low pass filters
4) Used for band pass filters having high resonant frequencies
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The filter that may not be realized by approximation of derivatives techniques are
1) Band pass filters
2) High pass filters
3) Low pass filters
4) Band reject filters
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: In direct form for realisation of IIR filters,
1) Denominator coefficients are the multipliers in the feed forward paths
2) Multipliers in the feedback paths are the positives of the denominator coefficients
3) Numerator coefficients are the multipliers in the feed forward paths
4) Multipliers in the feedback paths are the negatives of the denominator coefficients
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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MCQs: The direct form II for realisation involves
1) The realisation of transfer function into two parts
2) Realisation after fraction
3) Product of two transfer functions
4) Addition of two transfer functions
Category: Electronic Engineering Questions, Published by: T-Code Scripts
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