Aixiang He
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View article: Intelligent Evaluation and Dynamic Prediction of Oysters Freshness with Electronic Nose Non-Destructive Monitoring and Machine Learning
Intelligent Evaluation and Dynamic Prediction of Oysters Freshness with Electronic Nose Non-Destructive Monitoring and Machine Learning Open
Physiological and environmental fluctuations in the oyster cold chain can lead to quality deterioration, highlighting the importance of monitoring and evaluating oyster freshness. In this study, an electronic nose was developed using ten p…
View article: A Review of Advanced Sensor Technologies for Aquatic Products Freshness Assessment in Cold Chain Logistics
A Review of Advanced Sensor Technologies for Aquatic Products Freshness Assessment in Cold Chain Logistics Open
The evaluation of the upkeep and freshness of aquatic products within the cold chain is crucial due to their perishable nature, which can significantly impact both quality and safety. Conventional methods for assessing freshness in the col…
View article: Intelligent Evaluation and Dynamic Prediction of Oyster Freshness with Electronic Nose Based on the Distribution of Volatile Compounds Using GC–MS Analysis
Intelligent Evaluation and Dynamic Prediction of Oyster Freshness with Electronic Nose Based on the Distribution of Volatile Compounds Using GC–MS Analysis Open
The quality of oysters is reflected by volatile organic components. To rapidly assess the freshness level of oysters and elucidate the changes in flavor substances during storage, the volatile compounds of oysters stored at 4, 12, 20, and …
View article: Performance of Satellite UWOC Network with Generalized Boresight Error and AWGGN
Performance of Satellite UWOC Network with Generalized Boresight Error and AWGGN Open
This paper investigates a dual-hop satellite-marine communication network that employs mixed radio-frequency/underwater wireless optical communication (RF/UWOC). The study focuses on investigating the impacts of non-zero pointing errors an…
View article: Research on the comprehensive evaluation method of college students’ achievements based on multi-view RSR
Research on the comprehensive evaluation method of college students’ achievements based on multi-view RSR Open
In view of the problems and shortcomings of the current college students’ achievements evaluation methods, a multi-view rank sum ratio(RSR) comprehensive evaluation method of students’ achievements was proposed. The method integrated the t…
View article: An effective gas sensor array optimization method based on dynamic feature importance
An effective gas sensor array optimization method based on dynamic feature importance Open
Gas sensor array optimization is a key problem in the field of electronic noses, and it is also a special feature selection problem. In this paper, we propose a novel measure of sensor (or feature) importance, named dynamic feature importa…
View article: A Novel Sparse Representation Classification Method for Gas Identification Using Self-Adapted Temperature Modulated Gas Sensors
A Novel Sparse Representation Classification Method for Gas Identification Using Self-Adapted Temperature Modulated Gas Sensors Open
A novel sparse representation classification method (SRC), namly SRC based on Method of Optimal Directions (SRC_MOD), is proposed for electronic nose system in this paper. By finding both a synthesis dictionary and a corresponding coeffici…
View article: Temperature-dependent ultraviolet Raman scattering and anomalous Raman phenomenon of AlGaN/GaN heterostructure
Temperature-dependent ultraviolet Raman scattering and anomalous Raman phenomenon of AlGaN/GaN heterostructure Open
Temperature-dependent ultraviolet (UV) Raman scattering from AlGaN/GaN heterostructure is investigated. Compared to the visible Raman spectrum, four new peaks at 600, 700, 780, and 840 cm-1 are observed in the UV Raman spectrum. The peak a…
View article: Development of a LeNet-5 Gas Identification CNN Structure for Electronic Noses
Development of a LeNet-5 Gas Identification CNN Structure for Electronic Noses Open
A new LeNet-5 gas identification convolutional neural network structure for electronic noses is proposed and developed in this paper. Inspired by the tremendous achievements made by convolutional neural networks in the field of computer vi…
View article: DFT calculation and analysis of the gas sensing mechanism of methoxy propanol on Ag decorated SnO<sub>2</sub> (110) surface
DFT calculation and analysis of the gas sensing mechanism of methoxy propanol on Ag decorated SnO<sub>2</sub> (110) surface Open
Methoxy propanol has been widely used in modern industry and consumer products.
View article: Short-Time Fourier Transform and Decision Tree-Based Pattern Recognition for Gas Identification Using Temperature Modulated Microhotplate Gas Sensors
Short-Time Fourier Transform and Decision Tree-Based Pattern Recognition for Gas Identification Using Temperature Modulated Microhotplate Gas Sensors Open
Because the sensor response is dependent on its operating temperature, modulated temperature operation is usually applied in gas sensors for the identification of different gases. In this paper, the modulated operating temperature of micro…