SODA
2012
ACM
11 years 7 months ago
2012
ACM
We consider the sparse Fourier transform problem: given a complex vector x of length n, and a parameter k, estimate the k largest (in magnitude) coefficients of the Fourier transf...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
The sound reaching the acoustic sensor in a realistic environment contains not only the part arriving directly from the sound source but also a number of environmental re ections....