Explanipedia

Flexural properties of 3D printed continuous flax fiber reinforced polyethylene composites Open

Minggan Wang, Xiaohui Song, Zhengwei Yang, Can Bin Luo, Sien Chi , et al. · 2025

Natural fibers are classified as green energy materials and have embodied the principles of sustainable development. This paper impregnated natural continuous flax fibers (CFF) with polyethylene (PE) on a self-developed melt impregnation d…

Ambient Aqueous Synthesis of AgInSe Quantum Dots for Efficient White-Light Photodetectors Open

Yuan-Jin Lin, J.H. Huang, Peng-Chi Wang, Sien Chi, Shaoyu Liu , et al. · 2025

Effect of Trace Mo Doping on Dielectric Properties and Reliability of Nanograined BaTiO 3 Ceramics for MLCC Applications Open

Shucheng Liu, Feng Si, Sien Chi, Moke Zhou, Bin Tang · 2025

High-Crystalline Rese2 Photodetectors with Thickness-Sensitive Raman Intensity Ratios Open

Kuo‐Hao Lee, Sien Chi, Ching‐Hwa Ho, Cheng‐Liang Hsu · 2025

Irradiance Independent Spectrum Reconstruction from Camera Signals Using the Interpolation Method Open

Yu-Che Wen, Senfar Wen, Long Hsu, Sien Chi · 2022

The spectrum of light captured by a camera can be reconstructed using the interpolation method. The reconstructed spectrum is a linear combination of the reference spectra, where the weighting coefficients are calculated from the signals o…

Spectral Reflectance Recovery from the Quadcolor Camera Signals Using the Interpolation and Weighted Principal Component Analysis Methods Open

Yu-Che Wen, Senfar Wen, Long Hsu, Sien Chi · 2022

The recovery of surface spectral reflectance using the quadcolor camera was numerically studied. Assume that the RGB channels of the quadcolor camera are the same as the Nikon D5100 tricolor camera. The spectral sensitivity of the fourth s…

Auxiliary Reference Samples for Extrapolating Spectral Reflectance from Camera RGB Signals Open

Yu-Che Wen, Senfar Wen, Long Hsu, Sien Chi · 2022

Surface spectral reflectance is useful for color reproduction. In this study, the reconstruction of spectral reflectance using a conventional camera was investigated. The spectrum reconstruction error could be reduced by interpolating came…

Fronthaul Optical Links Using Sub-Nyquist Sampling Rate ADC for B5G/6G Sub-THz Ma-MIMO Beamforming Open

Pin-Hsuan Ting, Shao-Hung Yu, Zheng-Wei Huang, Chia-Chien Wei, Sien Chi , et al. · 2021

This paper details fronthaul optical links using sub-Nyquist sampling rate analog-to-digital converters (ADCs) for Beyond fifth generation (B5G) and 6G sub-THz massive multiple-input multiple-output (Ma-MIMO) beamforming. Unlike Common Pub…

Gait Stability Measurement by Using Average Entropy Open

Han-Ping Huang, Chang Francis Hsu, Yi-Chih Mao, Long Hsu, Sien Chi · 2021

Gait stability has been measured by using many entropy-based methods. However, the relation between the entropy values and gait stability is worth further investigation. A research reported that average entropy (AE), a measure of disorder,…

Complexity and Disorder of 1/fα Noises Open

Chang Francis Hsu, Long Hsu, Sien Chi · 2020

The complexity and the disorder of a 1/fα noise time series are quantified by entropy of entropy (EoE) and average entropy (AE), respectively. The resulting EoE vs. AE plot of a series of 1/fα noises of various values of α exhibits a disti…

Discrimination of Severity of Alzheimer’s Disease with Multiscale Entropy Analysis of EEG Dynamics Open

Chang Francis Hsu, Hsuan-Hao Chao, Albert C. Yang, Chih-Wei Yeh, Long Hsu , et al. · 2020

Multiscale entropy (MSE) was used to analyze electroencephalography (EEG) signals to differentiate patients with Alzheimer’s disease (AD) from healthy subjects. It was found that the MSE values of the EEG signals from the healthy subjects …

The Static Standing Postural Stability Measured by Average Entropy Open

Sung-Yang Wei, Chang Francis Hsu, Yun‐Ju Lee, Long Hsu, Sien Chi · 2019

Static standing postural stability has been measured by multiscale entropy (MSE), which is used to measure complexity. In this study, we used the average entropy (AE) to measure the static standing postural stability, as AE is a good measu…

The Static Standing Postural Stability Measured by Average Entropy Open

Sung-Yang Wei, Chang Francis Hsu, Yun‐Ju Lee, Long Hsu, Sien Chi · 2019

Static standing postural stability has been measured by multiscale entropy (MSE), which is used to measure complexity. In this study, we used the average entropy (AE) to measure the static standing postural stability, as AE is a good measu…

State Change Probability: A Measure of the Complexity of Cardiac RR Interval Time Series Using Physiological State Change with Statistical Hypothesis Testing Open

Hsuan-Hao Chao, Han-Ping Huang, Sung-Yang Wei, Chang Francis Hsu, Long Hsu , et al. · 2019

The complexity of biological signals has been proposed to reflect the adaptability of a given biological system to different environments. Two measures of complexity—multiscale entropy (MSE) and entropy of entropy (EoE)—have been proposed,…

Multiscale Entropy Analysis with Low-Dimensional Exhaustive Search for Detecting Heart Failure Open

Hsuan-Hao Chao, Chih-Wei Yeh, Chang Francis Hsu, Long Hsu, Sien Chi · 2019

Multiscale entropy (MSE) is widely used to analyze heartbeat signals. Even though cardiologists do not use MSE to diagnose heart failure at present, these studies are of importance and have potential clinical applications. In previous stud…

A Numerical Solution for Broadband PLC Splitter with Variable Splitting Ratio Based on Asymmetric Three Waveguide Structures Open

Hseng-Tsong Wang, Chi-Feng Chen, Sien Chi · 2019

A numerical solution for the broadband planar-lightwave-circuit (PLC) splitter with a variable splitting ratio based on asymmetric three waveguides weighted by the Blackman weighting function is designed for passive optical network applica…

An Investigation Study on Mode Mixing Separation in Empirical Mode Decomposition Open

Han-Ping Huang, Sung-Yang Wei, Hsuan-Hao Chao, Chang Francis Hsu, Long Hsu , et al. · 2019

Mode mixing is a limitation of the empirical mode decomposition (EMD) method appropriate for physiological signal analysis. In 2008, boundary condition map presented by Rilling and Flandrin provided the efficiency of separating the two com…

Long-reach 60-GHz MMWoF link with free-running laser diodes beating Open

Cheng-Ting Tsai, Chien-Cheng Li, Chi-Hsiang Lin, Chun-Ting Lin, Sien Chi , et al. · 2018

DFT/IDFT-free receiving scheme for spread-OFDM signals employing low-sampling-rate ADCs Open

Chi-Hsiang Lin, Chun-Ting Lin, Chia-Chien Wei, Sien Chi · 2017

This paper presents a DFT/IDFT-free receiving scheme for spread-OFDM signals. Leveraging sub-Nyquist sampling and proper sampling delay, the proposed scheme enables each user to receive the requested data without the need for DFT and IDFT;…

Entropy of Entropy: Measurement of Dynamical Complexity for Biological Systems Open

Chang Francis Hsu, Sung-Yang Wei, Han-Ping Huang, Long Hsu, Sien Chi , et al. · 2017

Healthy systems exhibit complex dynamics on the changing of information embedded in physiologic signals on multiple time scales that can be quantified by employing multiscale entropy (MSE) analysis. Here, we propose a measure of complexity…

Comparative Analysis Of Sigmoidal Feedforward Artificial Neural Networks And Radial Basis Function Networks Approach For Localization In Wireless Sensor Networks Open

Ashish Payal, Sien Chi, B. V. R. Reddy · 2016

With the increasing use and application of Wireless Sensor Networks (WSN), need has arisen to explore them in more effective and efficient manner. An important area which can bring efficiency to WSNs is the localization process, which refe…

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