Tagged Questions

Asking for official sources, e.g. books, scientific articles or other similar literature that can be used to back up your statements or methods.

39 views

Efficient computation of Chirp Z Transform

Chirp Z Transform (1, 2, 3) is more powerful than zooming techniques (I use it to actually trace non-stationary chirp signals) and very usable in signal processing, but it's flexibility comes at price ...
687 views

Recommendation for book - Writing DSP code in C

I am looking for some good book, that simply show how you actually write a code in C, to do all the main DSP methods . DFFT Low pass and high pass filters Auto-correlation Noise processing And all ...
26 views

72 views

What is the entropy for these cases?

This question stems from an article, "Entropy estimation of symbol sequences" download link where the abstract mentions the need for using symbols in information theory. Random chains of ...
101 views

Convex optimization in signal processing

In signal processing, convex optimization plays a useful role in problems such as sparse signal recovery and filter design. What other places does convex optimization appear? For example, in ...
23 views

Performance of system identification with nonlinear input

Paper : System Identification using Symbolic Chaotic Sequence download link proposes EM-UKS estimator for system identification of a linear FIR channel when excited by non-linear input. In Fig 3 of ...
103 views

New Horizons at Pluto

I'm teaching an undergraduate linear algebra course, and looking for applications. The New Horizons spacecraft is approaching Pluto, and returning images I find fascinating: http://pluto.jhuapl.edu/...
47 views

Forecasting with ARMA models, from a filter point of view

ARMA models are afaik just filters with transfer function ${MA(z) \over AR(z)} \equiv {FIR(z) \over IIR(z)}$ . However forecasters of stock prices, market trends ... seem to be mainly ...
33 views

67 views

Projection of 2D signal

Paper describes that a 2D signal(say video) can be projected to 1D for time series analysis by using a transformation function fx=Ax+constant and ...
128 views

Issues related to entropy

I have long been faced with the confusion regarding entropy and would be obliged if the following are answered in less technical jargon. Following the link Different kinds of entropy raises the ...
257 views

Jumping from DSP concepts to practice…recommend books?

I have fairly good understanding of DSP theory and algorithm design (and also MATLAB and C). What are the best books or what other advice could be given for learning how to actually implement DSP ...
133 views

Resources on ridgelets/curvelets

Can you suggest any good introductory resources on ridgelets and/or curvelets for image processing purposes? I'm considering buying Sparse Image and Signal Processing: Wavelets, Curvelets, ...