What do we know about past changes in the water cycle of Central Asian headwaters? A review

K Unger-Shayesteh, S Vorogushyn, D Farinotti… - Global and Planetary …, 2013 - Elsevier
We have reviewed about 100 studies on past changes in climate, snow cover, glaciers and
runoff in Central Asian headwater catchments, which have been published in the past 20 …

Characterization of surface EMG signal based on fuzzy entropy

W Chen, Z Wang, H Xie, W Yu - IEEE Transactions on neural …, 2007 - ieeexplore.ieee.org
Fuzzy entropy (FuzzyEn), a new measure of time series regularity, was proposed and
applied to the characterization of surface electromyography (EMG) signals. Similar to the two …

Characteristic space scales and timescales in hydrology

JO Skøien, G Blöschl… - Water Resources Research, 2003 - Wiley Online Library
We analyzed spatial and temporal variograms of precipitation, runoff, and groundwater
levels in Austria to examine whether characteristic scales exist and, if so, how big they are …

[HTML][HTML] Fuzzy approximate entropy analysis of chaotic and natural complex systems: detecting muscle fatigue using electromyography signals

HB Xie, JY Guo, YP Zheng - Annals of biomedical engineering, 2010 - Springer
In the present contribution, a complexity measure is proposed to assess surface
electromyography (EMG) in the study of muscle fatigue during sustained, isometric muscle …

A comprehensive power spectral density analysis of astronomical time series. I. The Fermi-LAT gamma-ray light curves of selected blazars

M Tarnopolski, N Żywucka, V Marchenko… - The Astrophysical …, 2020 - iopscience.iop.org
We present the results of the Fermi-Large Area Telescope 10 yr long light curve (LC)
modeling of selected blazars: six flat-spectrum radio quasars (FSRQs) and five BL Lacertae …

Wavelet and rescaled range approach for the Hurst coefficient for short and long time series

A Chamoli, AR Bansal, VP Dimri - Computers & Geosciences, 2007 - Elsevier
The calculation of Hurst coefficient (H) by different techniques is sensitive to the length of the
profile and noise. Synthetic fractional Brownian motions with different values of H have been …

Complexity analysis of the biomedical signal using fuzzy entropy measurement

HB Xie, WT Chen, WX He, H Liu - Applied Soft Computing, 2011 - Elsevier
Exploiting the concept of fuzzy sets, a new time series complexity measure named fuzzy
entropy was developed. In fuzzy entropy, the degree of similarity between vectors is defined …

Magnetic turbulence in the plasma sheet

Z Vörös, W Baumjohann, R Nakamura… - Journal of …, 2004 - Wiley Online Library
Small‐scale magnetic turbulence observed by the Cluster spacecraft in the plasma sheet is
investigated by means of a wavelet estimator suitable for detecting distinct scaling …

A study of safety evaluation and early-warning method for dam global behavior

SU Huaizhi, HU Jiang… - Structural Health …, 2012 - journals.sagepub.com
For a dam system, its effect quantities of different observed points are related absolutely. To
identify evolution tendency of a dam system, it is necessary to find the inherent regularity …

[HTML][HTML] SEMG-based hand motion recognition using cumulative residual entropy and extreme learning machine

J Shi, Y Cai, J Zhu, J Zhong, F Wang - Medical & biological engineering & …, 2013 - Springer
This paper proposes a scheme consisting of two novel components to recognize multiple
hand motions from surface electromyography (SEMG). First, we use the cumulative residual …