Estimating the entropy of a signal with applications
JF Bercher, C Vignat - IEEE transactions on signal processing, 2000 - ieeexplore.ieee.org
We present a new estimator of the entropy of continuous signals. We model the unknown
probability density of data in the form of an AR spectrum density and use regularized long …
probability density of data in the form of an AR spectrum density and use regularized long …
Improved spectrum estimation from digitized time series on a logarithmic frequency axis
M Tröbs, G Heinzel - Measurement, 2006 - Elsevier
We present a practical technique for spectrum and spectral density estimation from long time
series by Fourier transforms. We apply Welch's popular technique of “averaging over …
series by Fourier transforms. We apply Welch's popular technique of “averaging over …
Towards ultrasound cardiac image segmentation based on the radiofrequency signal
I Dydenko, D Friboulet, JM Gorce, J D'hooge… - Medical image …, 2003 - Elsevier
In echocardiography, the radio-frequency (RF) image is a rich source of information about
the investigated tissues. Nevertheless, very few works are dedicated to boundary detection …
the investigated tissues. Nevertheless, very few works are dedicated to boundary detection …
Regularized estimation of mixed spectra using a circular Gibbs-Markov model
Formulated as a linear inverse problem, spectral estimation is particularly underdetermined
when only short data sets are available. Regularization by penalization is an appealing …
when only short data sets are available. Regularization by penalization is an appealing …
Method and system for localization
J Aweya, N Alsindi, K Poon - US Patent 8,880,105, 2014 - Google Patents
CL Wu, LC Fu and FL Lian,“WLAN location determination in e-home via support vector
classification', in Proc. IEEE Int'l Con ference on Networking, Sensing and Control, pp. 1026 …
classification', in Proc. IEEE Int'l Con ference on Networking, Sensing and Control, pp. 1026 …
[PDF][PDF] Laser development and stabilization for the spaceborne interferometric gravitational wave detector LISA
M Tröbs - 2005 - repo.uni-hannover.de
The spaceborne, gravitational wave detector LISA (Laser Interferometer Space Antenna)
will, in addition to ground-based detectors that operate at frequencies above 50 Hz, detect …
will, in addition to ground-based detectors that operate at frequencies above 50 Hz, detect …
Unsupervised frequency tracking beyond the Nyquist frequency using Markov chains
This paper deals with the estimation of a sequence of frequencies from a corresponding
sequence of signals. This problem arises in fields such as Doppler imaging, where its …
sequence of signals. This problem arises in fields such as Doppler imaging, where its …
Processing radio frequency ultrasound images: A robust method for local spectral features estimation by a spatially constrained parametric approach
JM Gorce, D Friboulet, I Dydenko… - ieee transactions on …, 2002 - ieeexplore.ieee.org
Spectral estimation is a major component in studies aiming at characterizing biological
tissues through the analysis of backscattered radio frequency (RF) ultrasonic signals and …
tissues through the analysis of backscattered radio frequency (RF) ultrasonic signals and …
Methods and devices for channel identification
N Alsindi, J Aweya - US Patent 9,207,305, 2015 - Google Patents
This invention relates to methods and devices for channel identification. The invention is
particularly concerned with techniques for non-line of sight channel identification. In …
particularly concerned with techniques for non-line of sight channel identification. In …
Regularized adaptive long autoregressive spectral analysis
JF Giovannelli, J Idier, D Muller… - IEEE transactions on …, 2001 - ieeexplore.ieee.org
This paper is devoted to adaptive long autoregressive spectral analysis when i) very few
data are available and ii) information does exist beforehand concerning the spectral …
data are available and ii) information does exist beforehand concerning the spectral …