Flight Stability of Canard-Guided Dual-Spin Projectiles with Angular Rate Loops by Qiushi Zheng, Zhiming Zhou

“…Modern war requires more and more new guided ammunition with high precision, low cost, and low collateral damage. Therefore, as a simple guided conventional ammunition technology, the dual-spin projectile has attracted the attention of ammunition experts recently. …”
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Effects of Variations of SUSY Breaking Scale on Neutrino Parameters at Low Energy Scale under Radiative Corrections by Kh. Helensana Devi, K. Sashikanta Singh, N. Nimai Singh

“…Two approaches are adopted one after another—bottom-up approach for running gauge and Yukawa couplings from low to high energy scale, followed by the top-down approach from high to low energy scale for running neutrino parameters defined at high energy scale, along with gauge and Yukawa couplings. …”
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Regional heat and social attribute aware participant selection mechanis in mobile crowd sensing by Luoyong XIANG, Wen CHEN, Luyang ZHANG

“…Aiming at the problem of tasks that are low reliability acquired by platform and difficult to accomplish on time in user sparse area.A participant selection mechanism that combines regional heat and social attribute aware was proposed.Firstly,considering the influence of different regional heat on task completion,the regional heat was evaluated according to the number of active users,the average residence time of users and the completion of historical task.Secondly,in order to analyze the impact of user social attributes on task completion,the user willingness,reputation and activity were calculated by combining the status information of users and the historical task record of users.Finally,by taking the above factors into account,two different mechanisms of participant selection for social attribute perception were designed for high and low heat areas to maximize quality and number oftask completionrespectively.The results show that the proposed mechanism can significantly improve the overall data quality,and can also perform sensing tasks in sparse areas on time.Meanwhile,compared with SUR and GGA-I,the failure rate is reduced by 66.7% and 50.6% respectively.…”
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Single-stage modified Vienna rectifier SEPIC AC-DC LED driver by Kenan Gürçam, M. Nuri Almalı

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Synthesis of arbitrary current mode filter by LI Zhi-jun1, WANG Chun-hua2, LIU Rong1

“…A new general analytical synthesis method for arbitrary current mode filter was presented.The method was based on the analytical decomposition of a complicated high-order transfer function into n lossless integrators and n cur-rent proportional blocks by a succession of innovative algebra process.The filter structure based on MCCIIs was pro-posed with the following advantages: 1) it can be used not only for arbitrary-order filters,but also for different filter types such as Butterworth,Chebyshev and Elliptic;2) the circuit structure proposed only contains（2n+1） active elements,（2n+1） resistors and n capacitors;3) all the elements are grounded,so it is convenient to be integrated;4) the different filter functions such as high-pass,low-pass,band-pass,band-reject and all-pass can be obtained when it act as a Butter-worth filter.A third-order elliptic low-pass filter and a sixth-order Butterworth universal filter were employed to demon-strate the realization scheme.The validity of the proposed structure was verified through PSPICE simulations.…”
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An ultraviolet image enhancement algorithm in Curvelet domain based on human visual characteristics by Bin ZHANG, Peng,YUANJie WU, Lingqing SUN, Qiming FU, Yongze ZHANG, Yu LU

“…Aiming at the characteristics such as low contrast,unclear imaging,over-dark or over-bright overall imaging and noise interference in ultraviolet image itself,a Curvelet domain ultraviolet image enhancement algorithm was proposed based on the masking characteristics of human vision.Firstly,the ultraviolet image information was decomposed to different scales and direction sub-bands by Curvelet transform.Secondly,the HVS model was established according to each sub-band,and with its masking characteristics,the nonlinear gain of the high frequency component was used to improve the image contrast.Meanwhile,the low frequency component of nonlinear grayscale stretching could improve the overall brightness of the image.Finally,the processed high and low frequency components were reconstructed by Curvelet backward to obtain enhanced ultraviolet images.The experimental results show that the enhanced image accords with the extraction of image information from human vision and highlights the contour information of edge and target.In addition,it has obvious effect in subjective vision and quantitative index.…”
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Multichannel speech enhancement algorithm based on hybrid reverberation model by XIE Yuan, ZOU Tao, SUN Weijun, XIE Shengli

“…Experimental results show that the proposed algorithm can enhance speech in high and low-reverberation noise environments, and its enhancement effect is superior to popular speech enhancement algorithms, the performance indicators of speech enhancement, perceptual evaluation of speech quality score (PESQ) value and short-time objective intelligibility (STOI) value, have increased by 30% and 20%, respectively.…”
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The Dynamics of Structural and Energy Intensity Change by Lizhan Cao

“…According to theoretical findings and simulation exercises, structural change, initiated by technological growth rate and substitution elasticity, affects the growth rate of economy-wide energy intensity. (1) If the energy threshold technological growth rates are high or low enough, the overall energy intensity will develop monotonically. (2) If the energy threshold technological growth rate is moderate, and (i) substitution elasticity and initial final production technological growth rate meet some requirements, the economy-wide energy intensity will grow monotonically; otherwise, (ii) with the suitable combination of substitution elasticity and initial final production technological growth rate, the overall energy intensity can develop nonmonotonically, like U or inverted-U curves.…”
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Hybrid Differential Evolution with Biogeography-Based Optimization for Design of a Reconfigurable Antenna Array with Discrete Phase Shifters by Xiangtao Li, Minghao Yin

“…The reconfigurable design problem is to find the element excitation that will result in a sector pattern main beam with low sidelobes with additional requirement that the same excitation amplitudes applied to the array with zero-phase should be in a high directivity, low sidelobe pencil-shaped main beam. In order to reduce the effect of mutual coupling between the antenna-array elements, the dynamic range ratio is minimized. …”
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Analysis of reconfigurable intelligent surface assisted networking by LIU Qiuyan, LI Bei, CAO Yanxia, YAO Saibin, JIANG Zhenwei, MO Xiaohao, WANG Yafeng

“…A kind of reconfigurable intelligent surface assisted high and low frequency collaborative network architecture based on the positioning analysis of reconfigurable intelligent surface technology was proposed. …”
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TRANSMISSION BELTS PERFORMANCE IN NORMAL AND HEAVY-DUTY CONDITIONS by MADALINA IGNAT, BOGDAN RUSU, ANDREI DUMITRU, ROXANA CONSTANTINESCU, CIPRIAN CHELARU

“…The samples were subject to different physical-mechanical tests: determination of hardness, density, thickness, abrasion, flex resistance, tensile strength and percentage extension and also to various conditions like, high and low temperature, immersion in liquids (oil, toluene, diesel). …”
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Fatigue strength of SS400 steel under non-proportional loading by T. Morishita, T. Takaoka, T. Itoh

“…A modified strain parameter is presented which can evaluate the failure life in high and low strain levels under non-proportional loading.…”
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Réseau électrique et réseau écologique : contraintes et opportunités dans un paysage fragmenté (Nord-Pas-de-Calais) by Guillaume Schmitt, Magalie Franchomme, Christelle Hinnewinkel

“…In a fragmented landscape, can linear utility infrastructures, in the same way as high and low voltage power lines, offer habitats favourable to the movements of certain species? …”
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Manipulation by magnetic frustration in ferrotoroidal spin chains via curvature and torsion by Oleksandr V. Pylypovskyi, Enrico Di Benedetto, Carmine Ortix, Denys Makarov

“…A constant torsion along the chain results in alternating regions of high and low curvature, facilitating the spin spiral state perturbed by the (anti)periodic boundary conditions on the magnetic order parameter. …”
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Baptism of Fire: Modeling the Effects of Prescribed Fire on Lyme Disease by Emily Guo, Folashade B. Agusto

“…In this study, we present a compartmental model for ticks carrying Lyme disease and uniquely incorporate the effects of prescribed fire using an impulsive system to investigate the effects of prescribed fire intensity (high and low) and the duration between burns. Our study found that fire intensity has a larger impact in reducing tick population than the frequency between burns. …”
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Uncertain edge coalition game based EIP revenue estimation strategy by ZHAO Shuxu, XIA Xinyu, WANG Xiaolong

“…Secondly, a belief structure was introduced to characterize the probabilities of high, medium, low, and unknown scenarios for the coalition's revenue. …”
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Self-Attention Multilayer Feature Fusion Based on Long Connection by Chu Yuezhong, Wang Jiaqing, Liu Heng

“…In order to fuse the high- and low-level features of image classification, a feature fusion module SCFF (selective cross-layer feature fusion) for long connections is designed in this work. …”
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Trajectory big data:data,applications and techniques by Jia-jie XU, Kai ZHENG, Ming-min CHI, Yang-yong ZHU, Xiao-hui YU, Xiao-fang ZHOU

“…,and tremendous efforts have been made to support effective trajectory data management,including trajectory data pre-processing,which handles issues such as high redundancy,low precision and inconsistency of sampling; trajectory database technologies,concerning the efficient and effective storage of trajectory data and query processing; trajectory data warehousing,which supports the analytics on large-scale trajectory data;knowledge discovery,by which useful patterns can be extracted from trajectory data.A survey of trajectory big data analytics from three different aspects:data,applications and techniques is provided.…”
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Application and Discussion of Intelligent Operation and Maintenance of BIM Visualization Platform for Drainage Pumping Stations by PENG Muzhan, ZANG Peiyuan, REN Weixu, GAO Ting, XU Zedian

“…The construction of a BIM visualization platform for the intelligent operation and maintenance of drainage pumping stations is an important part of smart water.It plays a crucial role in improving the project management level,reducing the loss of possible flood disasters,and strengthening the ability of water utilities to deal with risks.However,in the operation and maintenance management of traditional water utilities,the backward management methods and means often result in problems such as high costs,low efficiency,and slow response.Therefore,this paper puts forward a solution to the top-level design of the platform architecture.In view of the current management practice,we realize the functions including BIM model visualization,the unit operation status display,inventory asset management,statistical report query,and personnel management by combining the platform with the emerging technologies in the information field.This study demonstrates a good engineering application for the construction of the intelligent operation and maintenance platform and can be used for reference for the follow-up construction of smart water and the informatization of water conservancy.…”
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Dynamics Modeling and Analysis of Split Gear Transmission System with Double Helical Gear by Ding Zhang, Geng Hu, Siyu Chen, Jinyuan Tang

“…In the frequency-domain analysis, several high and low order components of mesh frequency, shaft frequency exist. …”
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