A5101703734- Advanced Measurement and Detection Methods
- Distributed Control Multi-Agent Systems
- Optical Systems and Laser Technology
- Advanced Measurement and Metrology Techniques
- Neural Networks Stability and Synchronization
- Underwater Acoustics Research
- Advanced SAR Imaging Techniques
- Image and Signal Denoising Methods
- Radar Systems and Signal Processing
- Semiconductor Lasers and Optical Devices
- Synthetic Aperture Radar (SAR) Applications and Techniques
- Target Tracking and Data Fusion in Sensor Networks
- Machine Fault Diagnosis Techniques
- Structural Health Monitoring Techniques
- Adaptive Control of Nonlinear Systems
- Blind Source Separation Techniques
- Optical measurement and interference techniques
- Advanced Sensor and Control Systems
- Soil Moisture and Remote Sensing
- Wireless Communication Networks Research
- Sensor Technology and Measurement Systems
- Energy Efficient Wireless Sensor Networks
- Advanced Image Fusion Techniques
- Nonlinear Dynamics and Pattern Formation
- Remote-Sensing Image Classification
Nanning Normal University
2024
Guangzhou Medical University
2013-2024
Xiangtan University
2019-2024
Dali University
2024
Harbin Institute of Technology
2012-2023
Sun Yat-sen University
2023
Henan University
2023
Nantong University
2023
Chongqing University
2022
PLA Navy General Hospital
2018
Purpose Despite Schau et al. ’s (2009) pioneering research addressing consumers’ community engagement practices, scholarly understanding of the nature and dynamics characterizing practices in virtual (online) brand communities, their inter-relationships, is limited to date. Building on these authors’ study, this paper aims develop a refined typology process model (VBCEPs). Design/methodology/approach Using netnographic methodology, authors analyze 20 luxury handbag members’ entries posted...
This paper presents an improved genetic algorithm (GA) to minimize weight of truss with sizing, shape and topology variables. Because the nature discrete continuous variables, mixed coding schemes are proposed, including binary float coding, integer coding. Surrogate function is applied unify constraints into single one; moreover surrogate reproduction developed select good individuals mating pool on basis constraint fitness values, which completely considers character constrained...
This paper focuses on improving the detection performance of spectrum sensing in cognitive radio (CR) networks under complicated electromagnetic environment. Some existing fast algorithms cannot get specific features licensed users' (LUs') signal, thus they be applied this situation without knowing power noise. On other hand some that yield are too complicated. In paper, an algorithm based cyclostationary feature and theory Hilbert transformation is proposed. Comparing with conventional...
By deploying a radio propagation model, we will be able to deduce the distance between transmitter and receiver based on received signal strength (RSS). This method is widely adopted in wireless sensor network (WSN) positioning systems. The ranging accuracy of such system extremely poor because slow fast fading. Although former has been thoroughly analyzed, latter rarely discussed. assumption that fading can compensated for by averaging, but how many times RSS should measured obtain certain...
The accurate measurement of aircraft mass properties, such as the mass, centroid, and moment inertia (MOI), plays a key role in precise control aircraft. In order to obtain high-precision information on parameters MOI an using single instrument, integrated property system was developed this study by analyzing comparing latest technologies, especially function-switching device, which switches states between center MOI. purpose achieved through clamping. addition, has strong versatility...
Abstract Schistosoma parasites, causing schistosomiasis, exhibit typical host specificity in preference. Many mammals, including humans, are susceptible to infection, while the widely distributed rodent, Microtus fortis , exhibits natural anti-schistosome characteristics. The mechanisms of susceptibility remain poorly understood. Comparison schistosome infection M. with laboratory mice (highly sensitive infection) offers a good model system investigate these and gain an insight into...
Sparse code multiple access (SCMA) is a novel kind of air interface technology which can dramatically improve spectral efficiency wireless radio access. Different from conventional CDMA and OFDMA, SCMA achieves the non-orthogonal frequency domain. On other hand, Multiple-Input Multiple-Output (MIMO) make full use spatial-domain resource to system performance without corresponding increase in spectrum resource. This paper firstly combines illustrates model scheme. Particularly, Vertical Bell...
A distributed antenna system (DAS) is very attractive, since it can reduce transmit power by shortening the distance between elements (AEs) and mobile station. This paper investigates channel capacity of DAS over a multi-path frequency-selective fading channel. We first show that optimal allocation solution to approaching unrealistic for practical DAS. Then, near-optimal scheme given through maximally tightening upper bound capacity. Approximate analytical results are obtained use...
In order to investigate the benefit of multiple-input multiple-output (MIMO) technique applying high altitude platform (HAP), a 2×2 MIMO statistical model, which can accurately describe channel between HAP and high-speed train, is presented. And dual polarization diversity particularly considered. Based on first-order three-state Markov chain, single-input single-output (SISO) channel, subset first established. The ray tracing approach applied digital relief model (DRM) covers railway Xi'an...
Adipose-derived mesenchymal stem cell (ADMSC) therapy can promote recovery from cerebral ischemia; however, more information regarding appropriate sources of ADMSCs is required. This study was aimed at analyzing the immunogenicity rat by comparing immunological effects intraparenchymal administration allogeneic (allo-ADMSCs) and autologous (auto-ADMSCs) after acute phase middle artery occlusion (MCAO) in rats.Allo- or auto-ADMSCs rats (1 × 106 cells) were transplanted into Lewis 8 days post...
Measuring the mass and Center of Gravity (CG) rigid bodies with a multi-point weighing method is widely used nowadays. Traditional methods usually include two parts certain location, i.e., fixed platform mobile platform. In this paper, novel structure proposed to adjust for eliminating side forces which may load on cells. addition, closed-form equations are formulated evaluate performance structure, transformation matrices estimate characteristics structure. Simulation results demonstrate...
A flexible measurement technique is proposed in this paper to measure the mass and center of gravity large-sized objects. Based on primary mechanical principles, derives results by fusing data from two different systems. During a test, high-precision coordinate meter used reference points these systems designated test object. The obtained are then merged single frame. may be applied objects varying lengths, meanwhile does not require strict control over distance between that object This...
The accurate measurement of mass and centroid is indispensable for control aircraft. In order to eliminate the influence assembly error product pose on results, a multi-station idea that can self-compensate geometric parameter proposed in this paper based on. At same time, kinematic model mechanical structure equipment established prove effectiveness compensation theoretically, experimental verification standard part aircraft carried out. test results show using are significantly better than...
This study addresses the consensus problem in nonlinear multi-agent systems with distributed impulsive control method. To decrease communication wastage, a event-triggered protocol is developed to achieve consensus. In proposed method, each agent receives neighbor information and performs impulse only when its own trigger function exceeds given tolerance. Then, through Lyapunov conditions that allow reach are analyzed Zeno behavior excluded. Finally, some numerical simulations performed...
A wavelet ridge extraction method is proposed for efficient estimation of instantaneous frequency and amplitude the asymptotic signal. Inequalities are derived to provide limitations on scale interval sampling frequency. The evaluation optimal at any given accuracy can be done by solving these inequalities minimizing computational complexity continuous transform. After transform signal completed with parameters, a more reliable formed using only discontinuity points extracted conventional...
This paper proposes a Gabor feature based ionospheric clutter region extraction method in RD map for its good performance of picking up the orientation information from such Range-Doppler map. The better proposed is shown by comparing with statistical and adaptive threshold methods. Such results can be used sounding, interference mitigation STAP, system evaluation, carrier frequency selection.