Results 11 to 20 of about 1,526,219 (182)
Spatiotemporal Variation of the Meteorological and Groundwater Droughts in Central Taiwan
Frontiers in Water, 2021 In recent years, Taiwan has been facing severe water shortages due to extreme drought. In addition, changes in rainfall patterns have resulted in an increasingly notable drought phenomenon, which affects the management and utilization of water resources.
Hsin-Fu Yeh
doaj +1 more source
Cross-correlation cosmography with HI intensity mapping [PDF]
, 2015 The cross-correlation of a foreground density field with two different background convergence fields can be used to measure cosmographic distance ratios and constrain dark energy parameters.
Bacon, David +2 more
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Sand-Dust Image Enhancement Using Chromatic Variance Consistency and Gamma Correction-Based Dehazing
Sensors, 2022 In sand-dust environments, the low quality of images captured outdoors adversely affects many remote-based image processing and computer vision systems, because of severe color casts, low contrast, and poor visibility of sand-dust images.
Jong-Ju Jeon, Tae-Hee Park, Il-Kyu Eom
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Micromachines, 2022 Compared to conventional ultrasonic flowmeters using multiple transducers, this paper reports, for the first time, an airflow volumetric flowmeter using a signal PMUT array to measure the flow rate in a rectangular pipe.
Xueying Xiu +4 more
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Determination of the Optimum Wavelet Basis Function for Indonesian Vowel Voice Recognition
Jurnal Elektronika dan Telekomunikasi, 2017 Nowadays, wavelet has been widely applied in extracting features of the signal for automatic speech recognition system. Wavelets have many families that are determined by their mother function and order.
Syahroni Hidayat +2 more
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Fluids, 2021 (1) Background: Sensing of critical events or flow signatures in nature often presents itself as a coupled interaction between a fluid and arrays of slender flexible beams, such a wind-hairs or whiskers.
Raphael Glick +2 more
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Cross-Correlation Studies with CMB Polarization Maps [PDF]
, 2004 The free-electron population during the reionized epoch rescatters CMB temperature quadrupole and generates a now well-known polarization signal at large angular scales.
A. Cooray +34 more
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Multiscaled Cross-Correlation Dynamics in Financial Time-Series [PDF]
, 2008 The cross correlation matrix between equities comprises multiple interactions between traders with varying strategies and time horizons. In this paper, we use the Maximum Overlap Discrete Wavelet Transform to calculate correlation matrices over different
Borghesi C. +8 more
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The Determinants of the U.S. Consumer Sentiment: Linear and Nonlinear Models
International Journal of Financial Studies, 2020 We examined the determinants of the U.S. consumer sentiment by applying linear and nonlinear models. The data are monthly from 2009 to 2019, covering a large set of financial and nonfinancial variables related to the stock market, personal income ...
Marwane El Alaoui +2 more
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On the correlation structure of microstructure noise in theory and practice [PDF]
, 2008 We argue for incorporating the financial economics of market microstructure into the financial econometrics of asset return volatility estimation. In particular, we use market microstructure theory to derive the cross-correlation function between latent ...
Diebold, Francis X., Strasser, Georg H.
core +3 more sources