Digital signal processing
Previous year question paper with solutions for Digital signal processing
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- LTI stands for……………………
- FIR stands for…………………………..
- IIR stands for……………………………
- FFT is an algorithm to calculate DFT efficiently. (T/F)
- FIR systems can be recursive as well as non-recursive. (T/F)
- Z-transform of unit impulse function is ……………………
- DIT stands for …………………
- Convolution is integral of point-wise multiplication of two functions. (T/F)
- The duration of unit sample response of a digital filter is ………………….
- Physically realizable and stable IIR filters cannot have linear phase. (T/F)
- Discrete signal is formed by taking samples of continuous signal at pre-defined intervals. (T/F)
- In time-invariant signal delay of input sequence causes a corresponding shift in the output sequence.
- A causal system is a system where the output depends on past and current inputs but not ___________ inputs.
- A system is stable in bounded input bounded output sense if and only if every bounded input sequence produces a _______________ output sequence.
- To represent a signal in frequency domain ______________ transform is used.
- Convolution is a powerful way of characterizing the input-output relationship of time invariant linear systems. (T/F)
- FIR filters are more stable than IIR filters. (T/F)
- Fourier transform of impulse function is _________________.
- FFT has two algorithms, decimation in ___________ and decimation in __________.
- LTI stands for___________________.