TSP
2010
13 years 6 months ago
2010
We present two simple methods for recovering sparse signals from a series of noisy observations. The theory of compressed sensing (CS) requires solving a convex constrained minimiz...
TSP
2010
13 years 6 months ago
2010
We compute lower bounds on the mean-square error of multiple change-point estimation. In this context, the parameters are discrete and the Cram
TSP
2010
13 years 6 months ago
2010
A quaternion widely linear (QWL) model for quaternion valued mean-squared-error (MSE) estimation is proposed. The augmented statistics are first introduced into the field of quater...
TSP
2010
13 years 6 months ago
2010
In this paper, the achievable rates of the so called "multiple-input multiple-output interference channel", exploited by a couple of single antenna primary terminals and...
TSP
2010
13 years 6 months ago
2010
Constant modulus transforms like discrete Fourier transform (DFT), Walsh transform, and Gold codes have been successfully used over several decades in several engineering applicati...
TSP
2010
13 years 6 months ago
2010
In this paper, we propose an approach to the transient and steady-state analysis of the affine combination of one fast and one slow adaptive filters. The theoretical models are bas...
TSP
2010
13 years 6 months ago
2010
We consider the problem of estimating a deterministic sparse vector x0 from underdetermined measurements Ax0 +w, where w represents white Gaussian noise and A is a given determinis...
TSP
2010
13 years 6 months ago
2010
Fast algorithms for computing the forward and inverse sequency-ordered complex Hadamard transforms (SCHT) in a sliding window are presented. The first algorithm consists of decompo...
TSP
2010
13 years 6 months ago
2010
Abstract--Hands-free terminals for speech communication employ adaptive filters to reduce echoes resulting from the acoustic coupling between loudspeaker and microphone. When using...