Q. Why should we go for digital signal processing where as the most of the real world data is in analog mode?
Q. What are the differences between a microprocessor and a DSP processor?
Q. What is the convolution?
Q. Why do we need Forrier transform in DSP?
Q. What is use of windowing in digital filters?
Q. Tell some thing about Interpolation and decimation?
Q. What is the need of FFT ?
Q. What’s the difference between FFT and DFT?
Q. What is the advantage of a Direct form II FIR over fom I?
Q. What is the difference between equiripple filter and FIR filter?
Q. What is the application fo Cross correlation and Auto Correlation?
Q. Explain using convolution the effects of taking an FFT of a sampe with no windowing (rectangular window).

Q. What are basis vectors in a transofrm?
Q. In signal processing, why we are much more interested in orthogonal transform?
Q. How does polyphase filtering save computations in a decimation filter?
Q. Why IIR filters doesnt have Linear phase?
Q. Whats basic difference b/w winer filter and kalman filter and lms filter
Q. What is the use of windowing in digital filters
Q. What are the pros and cons of Discrete Cosine Transform?
Q. What is Interpolation and decimation filters and why we need it?
Q. What is the simplest high pass filter ? write the equation?
Q. What is the difference between ProtoPlus and ProtoPlus Lite?
Q. What is Auto Regressive Model? How is the order of auto regressive model is decided?
Q. What is the basic difference between FIR and IIR filters?
Q. What two PSK modulation orders differ exactly by a factor of two in spectral efficiency?
Q. Under what conditions is the available bandwidth of a digital system Fs Hz instead of Fs/2 Hz?
Q. What is the difference between DFT and DTFT?
Q. FFT is in complex domain how to use it in real life signals optimally?
Q. What is Gibbs phenomenon?
Q. Can we create a table with out primary key?
Q. Suppose we have a system with transfer function H(z) = 1 / ((z – 1.1)*(z – 0.9)). Is the system stable or unstable?
Q. Differences b/w butterworth chebyshev?
Q. How do you reduce spectral leakage?
Q. Why is FFT faster than DFT? what is the actual concept behind this?
Q. Is the Gibbs phenomenon ever a factor?
Q. What is the concept of stability of an LTI system? How to check if a given system is stable?
Q. How does polyphase filtering save computations in an interpolation filter?
Q. If a have two vectors how will i check the orthogonality of those vectors?
Q. Can IIR filters be Linear phase? how to make it linear Phase?
Q. How can you compute fourier transform form Z-transform ?
Q. How is the non-periodic nature of the input signal handled?
Q. What is aliasing and how do we prevent it?
Q. How can you determine the stability of an LTI system?
Q. What is the need of Digital Signal Processing?
Q. Why do we need I&Q signals?
Q. What do you mean by spectral resolution?
Q. What is the special about minimum phase filter?
Q. How can you compute fourier transform form Z-transform ?
Q. Why after DCT we use a zig zag manner for run length coding?
Q. Why we use DCT extensilvely in compression?
Q. Can you write assembly language programs for DSP?
Q. What is your proficiency level of C-language for DSP applications?