3 people each asked questions of their focus area - CS lady asked some trivial C++ OOP questions - Physics person asked what does X Equation say. I don't know stuff by name so I had to have the guy explain in more detail (probably looked like a fool) - Signal Processing guy showed pictures of time domain or frequency domain signals and asked what would happen if you changed to the other domain
A mix of more open ended technical questions (e.g. how would you approach designing or doing X?) and some more targeted questions (e.g. explain what PCA is and how it works?).
Correlation question FFT bin width Virtual functions Average sliding window code basic nyquist rate FIR vs IIR kalman filter arma process
It was pretty straightforward. Not really any questions regarding anything specific. Was asked to provide an example of DSP skills using MATLAB. Make sure you can clearly explain this step over the phone. I found it difficult to explain with just words...would have preferred drawing it.
What do you understand by Causality?
Given two systems which of the two is LTI systems? What is the FT of a FT?
They gave me some uniform random variable function and a linear equation involving X and Y and first asked the distribution of X and then asked Y
1. Design a calculator 2. Horse neigh problem
Explain why Convolution Theorem works in your own words
Most of the interview was focused on previous experience. They also gave a technical problem to solve.
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