Individual alpha frequency (IAF) is a promising electrophysiological marker of interindividual differences in cognitive function. IAF has been linked with trait-like differences in information processing and general intelligence, and provides an empirical basis for the definition of individualized frequency bands. Despite its widespread application, however, there is little consensus on the opt...

O objetivo deste estudo foi classificar amostras de comprimidos contendo dipirona, cafeína e orfenadrina usando espectroscopia no infravermelho próximo e técnicas quimiométricas. O conjunto de dados foi de 300 espectros de amostras de três comprimidos por lote e quatro diferentes produtores. O pré-processamento foi realizado pelo algoritmo Savitzky-Golay com primeira derivada, janela de 17 pont...

Research in time-series remote sensing data is receiving increasing attention. With the availability of relatively short repeat cycle and high spatial resolution satellite data, the construction and application of high spatiotemporal remote sensing time-series data is promising. In this paper, we proposed a method to construct complete spatial time series data, with Savitzky-Golay filter for sm...

A considerable amount of research has focused on monitoring structural damage using Structural Health Monitoring (SHM) technologies, which has had recent advances. However, it is important to note the challenges and unresolved problems that disqualify currently developed monitoring systems. One of the frontline SHM technologies, the Electromechanical Impedance (EMI) technique, has shown its pot...

The growing trend of using wearable devices for context-aware computing and pervasive sensing systems has raised its potentials for quick and reliable authentication techniques. Since personal writing habitats differ from each other, it is possible to realize user authentication through writing. This is of great significance as sensible information is easily collected by these devices. This pap...

Smoothing or filtering of data is first preprocessing step for noise suppression in many applications involving data analysis. Moving average is the most popular method of smoothing the data, generalization of this led to the development of Savitzky-Golay filter. Many window smoothing methods were developed by convolving the data with different window functions for different applications; most ...

In the noisy environment, fault characteristics of composite faults wind power gearbox are coupled with each other, which makes extraction features more difficult. order to extract faults, a new diagnosis method for is proposed in this paper, namely modified Savitzky Golay Laplacian Gaussian filter (MSGloG). The can not only solve defects that scale parameters Modified (MloG) adaptive, but also...

The ballistocardiogram (BCG) is a graphic representation of the movements body associated with cardiac activity. In this article, 10-min BCG has been captured for ten different volunteers polymer optical fiber (POF) specklegram sensor. This transducer, which composed charge-coupled device (CCD) camera, laser emitting diode, and two meters POF, allows capturing by analyzing how induced speckle p...

The current thunderstorm monitoring methods ignore the nonlinear and non-stationary characteristics of atmospheric electric field signals, which has a negative effect on results. Based complementary ensemble empirical mode decomposition with adaptive noise Savitzky-Golay filtering (CEEMDAN-SG), point charge localization method for cloud is proposed. After CEEMDAN used to decompose signal into s...

BACKGROUND/AIMS Small intestine motility is governed by an electrical slow wave activity, and abnormal slow wave events have been associated with intestinal dysmotility. High-resolution (HR) techniques are necessary to analyze slow wave propagation, but progress has been limited by few available electrode options and laborious manual analysis. This study presents novel methods for in vivo HR ma...