A5100403917- Space Satellite Systems and Control
- Industrial Technology and Control Systems
- Spacecraft Dynamics and Control
- Robotic Path Planning Algorithms
- Advanced Computational Techniques and Applications
- Radio Wave Propagation Studies
- Metallurgical Processes and Thermodynamics
- Advanced Sensor and Control Systems
- Advanced Algorithms and Applications
- Adaptive Control of Nonlinear Systems
- Simulation and Modeling Applications
- Guidance and Control Systems
- Inertial Sensor and Navigation
- Energy Efficient Wireless Sensor Networks
- earthquake and tectonic studies
- Combustion and Detonation Processes
- Advanced Measurement and Detection Methods
- Iron and Steelmaking Processes
- Global trade and economics
- GNSS positioning and interference
- Astro and Planetary Science
- Aerospace Engineering and Control Systems
- International Business and FDI
- Advanced Battery Technologies Research
- Wireless Sensor Networks and IoT
National University of Defense Technology
2010-2025
Dalian Ocean University
2006-2025
Ministry of Agriculture and Rural Affairs
2025
Nanchang Hangkong University
2024
Kunming University of Science and Technology
2010-2024
Beihang University
2016-2024
Zhongnan University of Economics and Law
2008-2024
Inner Mongolia University of Technology
2009-2024
Wuhan Textile University
2024
Guangdong University of Technology
2013-2023
In this paper, we propose a novel method called Rotational Region CNN (R2CNN) for detecting arbitrary-oriented texts in natural scene images. The framework is based on Faster R-CNN [1] architecture. First, use the Proposal Network (RPN) to generate axis-aligned bounding boxes that enclose with different orientations. Second, each text box proposed by RPN, extract its pooled features sizes and concatenated are used simultaneously predict text/non-text score, inclined minimum area box. At...
Abstract We use GPS and interferometric synthetic aperture radar (InSAR) measurements to image the spatial variation of interseismic coupling on Xianshuihe‐Anninghe‐Zemuhe (XAZ) fault system. A new 3‐D viscoelastic deformation model is developed infer rotation strain rates blocks, postseismic relaxation, slip deficit surface discretized with triangular dislocation patches. The inversions data show that optimal weight ratio smoothing factor are both 1. successive joint geodetic different...
The stabilisation problem for one of the clusters with bounded multiple random time delays and packet dropouts in wireless sensor actor networks is investigated this paper. A new multirate switching model constructed to describe feature single input output linear system. According difficulty controller design under multi-constraints model, can be converted a Takagi–Sugeno fuzzy model. By designing parallel distributed compensation, sufficient condition established ensure closed-loop control...
West Pearl River Delta (WPRD) is sinking as a result of the jointed effect natural and anthropogenic factors. Land subsidence has increasingly become concern because tremendous population growth rapid urbanization over this region in last few decades. In study, sixty-seven Sentinel-1 images, acquired between 2016 2021, were analyzed with persistent scatterer interferometry technique (PSI), to monitor reveal ground characteristics WPRD. It found that overall vertical deformation velocities...
Abstract Extension, faulting, and magmatism are the main controls on magnitude localization of strain at mid‐ocean ridges. However, temporal spatial patterns such processes not clear since distribution has been resolved in past sufficient resolution over extended areas. Interferometric synthetic aperture radar (InSAR) GPS data with unprecedented now available to us from Afar rift Ethiopia. Here we use a velocity field method combine InSAR form first high‐resolution continuous...
The rapid growth of the city Sydney, Australia over last decades, has led to significant development residential and transportation infrastructure. Land subsidence associated with urban can lead serious issues which should be thoroughly understood carefully managed. To address this challenge, an enhanced polarisation time-series InSAR (Pol-TS-InSAR) processing framework was developed, using dual (DP) Sentinel-1 data integrate information from different polarimetric channels weighting during...
The problem of L multiple descriptions a stationary and ergodic Gaussian source with two levels receivers is investigated. Each the first-level receive (an arbitrary subset) k descriptions,(k<L). second-level receiver receives all descriptions. All receivers, both at first level second level, reconstruct using subset they receive. corresponding reconstructions are subject to quadratic distortion constraints. Our main result derivation an outer bound on sum rate so that constraints met. We...
This paper investigates the fundamental sensitivity of oscillator-based reactance sensors, which are widely used in numerous types biomedical sensing applications. We first show that intrinsic is limited by 1/ <i xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">f</i> <sup xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> phase noise oscillators. To achieve sensor detection below this limit, a correlated double counting (CDC) suppression scheme...
Abstract In this article, committed to extending the robust integral of sign error (RISE) feedback control working condition output feedback, a novel controller with continuously bounded input which combines adaptive and will be proposed for trajectory tracking family nonlinear systems subject modeling uncertainties. A state observer (ASO) disturbance rejection performance is creatively constructed derive real‐time estimation unmeasured signals. Moreover, projection‐type adaption law...
Interferometric synthetic aperture radar (InSAR) has achieved remarkable success in deformation monitoring and many related fields but ordinarily suffers from inherent drawbacks stemming atmospheric effects. In the meantime, continuously progressing numerical weather models (NWMs) offer a feasible approach to this problem. This paper aims further investigate usability of NWMs. The latest European Centre for Medium-range Weather Forecast (ECMWF) reanalysis ERA5 its predecessor ERA-Interim...
Multihollow poly(methyl methacrylate) (PMMA) particles were successfully fabricated simply by γ-ray radiating emulsions consisting of MMA monomers, sulfonated polystyrene (SP) particles, and water. The mechanism on the formation holes was studied in detail. It found that there two routes to achieve different multihollow structures dependent initial location SP before emulsification. If first located water phase, cage-like hollow PMMA obtained through a Pickering emulsion. Otherwise, if oil...
Purpose – The purpose of this paper is to establish a roughness prediction model micro-milling Inconel718 with high precision. Design/methodology/approach A surface established by SVM (support vector machine) in paper. Three cutting parameters are involved the (spindle speed, depth and feed speed). Experiments carried out verify accuracy model. Findings results show that built has can predict value variation law Inconel718. Practical implication strength hardness under temperature suitable...
Safety requirement represents one of the most critical aspects when defining operational profile for a rendezvous mission, especially with development autonomous spacecraft rendezvous. A quantitative safety performance index trajectory considering navigation errors and control is proposed, which involves minimum distance between 3σ ellipsoid chaser vehicle zone target maximum instantaneous collision probability these two vehicles. The former to quantity degree under condition no intersection...
Novel walnut-like multihollow polymer particles were first prepared by gamma-ray radiation emulsion polymerization using cross-linked and sulfonated polystyrene spheres (CSPs) as the template. The formation process was studied in detail, morphology of could be controlled content cross-linking agent, sulfonation time CSP particles, weight ratio monomer/CSP. In addition, an application walnut on bonding Ag nanoparticles onto surface achieved, which extended to other noble metal have a wide...