Least-Squares Wavelet Analysis of Unequally Spaced and Non-stationary Time Series and Its Applications
Sign Up to like & getrecommendations! Published in 2017 at "Mathematical Geosciences"
DOI: 10.1007/s11004-017-9691-0
Abstract: Least-squares spectral analysis, an alternative to the classical Fourier transform, is a method of analyzing unequally spaced and non-stationary time series in their first and second statistical moments. However, when a time series has components… read more here.
Keywords: time series; least squares; analysis; time ... See more keywords
Empirical likelihood method for longitudinal data generated from unequally-spaced Lèvy processes
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Korean Statistical Society"
DOI: 10.1007/s42952-019-00047-3
Abstract: By introducing the notion of “empirical likelihood function of observing sums”, unequally-spaced time series data and longitudinal data generated from Levy processes can be analyzed. Characteristic function is further incorporated to handle the situations where… read more here.
Keywords: longitudinal data; method; unequally spaced; function ... See more keywords
Simulation and experimental study of parameters in multiple-nozzle electrospinning: Effects of nozzle arrangement on jet paths and fiber formation
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2020.12.024
Abstract: Abstract The electrospinning process is a simple and versatile method for the fabrication of nanofibers. The low production rate of fibers in a conventional single-nozzle setup inhibits the commercialization of the process for large-scale applications.… read more here.
Keywords: nozzle electrospinning; spaced nozzles; study; unequally spaced ... See more keywords
Non-stationary and unequally spaced NDVI time series analyses by the LSWAVE software
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Remote Sensing"
DOI: 10.1080/01431161.2019.1688419
Abstract: ABSTRACT Change detection within non-stationary and unequally spaced remote sensing time series has become a key methodology for a broad range of environmental applications. A new method of analysing vegetation variation over lands is proposed.… read more here.
Keywords: time series; time; non stationary; stationary unequally ... See more keywords
Synthesizing Unequally Spaced Pattern-Reconfigurable Linear Arrays With Minimum Interspacing Control
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DOI: 10.1109/access.2019.2914767
Abstract: Previously, the alternating convex optimization (ACO) was used to reduce the number of elements in the single-pattern linear array. This work extends the ACO method to synthesize the unequally spaced sparse linear arrays with reconfigurable… read more here.
Keywords: pattern; control; synthesizing unequally; unequally spaced ... See more keywords
A Modified Unequally Spaced Array Antenna Synthesis Method for Side Lobe Reduction
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DOI: 10.13164/re.2017.0114
Abstract: The aim of this paper is to demonstrate the application of Unequally Spaced Arrays (USAs) in decreasing side lobe level (SLL) in linear arrays. As well known, solving of a nonlinear equation is needed in… read more here.
Keywords: spaced array; method; unequally spaced; side lobe ... See more keywords