Wei Hong
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View article: SideCow-VSS: A Video Semantic Segmentation Dataset and Benchmark for Intelligent Monitoring of Dairy Cows Health in Smart Ranch Environments
SideCow-VSS: A Video Semantic Segmentation Dataset and Benchmark for Intelligent Monitoring of Dairy Cows Health in Smart Ranch Environments Open
Accurate and non-invasive monitoring of dairy cows is a cornerstone of precision livestock farming, paving the way for proactive health management and earlier disease detection. The development of robust, AI-driven diagnostic tools, howeve…
View article: Acceleration noise due to space magnetic field for heliocentric gravitational wave detector
Acceleration noise due to space magnetic field for heliocentric gravitational wave detector Open
The space-borne gravitational wave observatory is to detect low-frequency gravitational wave signals in the range of 0.1-100 mHz. The inertial sensors of space gravitational wave require very high accuracy for acceleration noise, and the i…
View article: Honeybee Colony Growth Period Recognition Based on Multivariate Temperature Feature Extraction and Machine Learning
Honeybee Colony Growth Period Recognition Based on Multivariate Temperature Feature Extraction and Machine Learning Open
Identifying the growth period of bee colonies can guide beekeepers to make better decisions and promote the development of bee colonies. Unlike traditional manual experience-based recognition, this paper proposes a new approach, which comb…
View article: Acceleration noise due to Space Magnetic Field for Heliocentric Gravitational Wave Detector
Acceleration noise due to Space Magnetic Field for Heliocentric Gravitational Wave Detector Open
The space-borne gravitational wave observatory is to detect low-frequency gravitational wave signals in the range of 0.1 mHz to 100 mHz. The inertial sensors of space gravitational wave require very high accuracy for acceleration noise, an…
View article: Charge management system based on disturbance observer sliding mode\n control for space inertial sensors
Charge management system based on disturbance observer sliding mode\n control for space inertial sensors Open
Precision space inertial sensors are imperative for Earth geodesy missions,\ngravitational wave observations, and fundamental physics experiments in space.\nIn these missions, free-falling test masses(TMs) are susceptible to parasitic\nele…
View article: Benefits of controlled-release fertilizers for potato sustainable nitrogen management
Benefits of controlled-release fertilizers for potato sustainable nitrogen management Open
The evaluation of potato response to controlled-release fertilizers (CRFs), as a sole source of nitrogen (N) or as a blend with a soluble N source, is essential to 1) develop the best management recommendations for using CRFs in potato pro…
View article: Actuation system of the inertial sensor for high-precision space missions using torsion pendulum
Actuation system of the inertial sensor for high-precision space missions using torsion pendulum Open
Precision space inertial sensors are imperative to Earth geodesy missions, gravitational wave observations and several fundamental physics experiments in space. In these missions, the residual acceleration noise of the test mass(TM) caused…
View article: Test mass charge estimation for the space inertial sensor with extended Kalman filter
Test mass charge estimation for the space inertial sensor with extended Kalman filter Open
Charge Management System (CMS), aimed at mitigating charge-induced noise on an isolated free-falling test mass (TM), is a crucial component of space inertial sensors in various spaceborne gravitational missions. The estimation of TM charge…
View article: High-precision ground simulator for laser tracking of gravity satellite
High-precision ground simulator for laser tracking of gravity satellite Open
Inter-satellite laser ranging is a key technology to improve the measurement precision of gravity satellites in future missions. However, it requires a stable laser link between satellites, which would be affected by external disturbances …
View article: Using finite element simulation to evaluate charge measurement precision for space inertial sensors
Using finite element simulation to evaluate charge measurement precision for space inertial sensors Open
Non-contact measurement and control are essential for accumulated charges on the test mass (TM) of space inertial sensors, as these charges can worsen the sensitivity of space-based gravitational wave detection. However, it is a challenge …
View article: Application of ultraviolet light sources in charge management systems for space gravitational wave detection
Application of ultraviolet light sources in charge management systems for space gravitational wave detection Open
Gravitational waves are a kind of matter wave, which is caused by the violent motion and changes of matter and energy. Detecting gravitational waves allows people to observe the universe from a new perspective. In the process of gravitatio…
View article: Simulation for the test mass charging rate in the Tianqin orbit
Simulation for the test mass charging rate in the Tianqin orbit Open
For the purpose of detecting gravitational waves from space, high-energy particles will infiltrate the satellite’s structure and accumulate charges on the test mass, consequently diminishing detection performance. Present investigations in…
View article: Remote sensing target detection algorithm based on perceptual extension and anchor frame best-fit matching
Remote sensing target detection algorithm based on perceptual extension and anchor frame best-fit matching Open
Aiming at the small imaging, complex background and crowded distribution of remote sensing image targets, a remote sensing image target detection algorithm (HQ-S 2 ANet) based on perceptual extension and anchor frame optimal matching is pr…
View article: The TianQin project: Current progress on science and technology
The TianQin project: Current progress on science and technology Open
TianQin is a planned space-based gravitational wave (GW) observatory consisting of three Earth-orbiting satellites with an orbital radius of about $10^5 \, {\rm km}$. The satellites will form an equilateral triangle constellation the plane…
View article: Experimental study on inductive method for online material loss detection with high debris concentration
Experimental study on inductive method for online material loss detection with high debris concentration Open
Online Oil debris detection is a complex and systemic issue that multiple requirements should be met for a practical application. When severe wear or tear happens, more accurate detection is needed for higher debris concentration. Aiming a…
View article: Aliasing Signal Separation of Superimposed Abrasive Debris Based on Degenerate Unmixing Estimation Technique
Aliasing Signal Separation of Superimposed Abrasive Debris Based on Degenerate Unmixing Estimation Technique Open
Leakage is the most important failure mode in aircraft hydraulic systems caused by wear and tear between friction pairs of components. The accurate detection of abrasive debris can reveal the wear condition and predict a system’s lifespan.…
View article: A preliminary study on application of flipped classroom model to English teaching in vocational colleges
A preliminary study on application of flipped classroom model to English teaching in vocational colleges Open
With the implementation of the new curriculum reform, more attention has been paid to the education undertaking.The flipped classroom teaching model is an innovation of the current teaching model.The personalized classroom teaching with st…