Search Results - "difference algorithms"

Evaluating the seasonal and decadal performance of red band difference algorithms for chlorophyll in an optically complex estuary with winter and summer blooms by Henderikx Freitas, Fernanda, Dierssen, Heidi M.

“…Standard ocean color chlorophyll algorithms, including normalized fluorescence line height algorithms, overestimate summer blooms and often miss large winter…”
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Analysis of Doppler auto-compensators phase shift of passive interference by Popov, D.I.

“…Background. The object of the study is the Doppler autocompensators phase shift of passive interference based on quasi-optimal (simplified) discriminators…”
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Basis Function Adaptation in Temporal Difference Reinforcement Learning by Menache, Ishai, Mannor, Shie, Shimkin, Nahum

“…Reinforcement Learning (RL) is an approach for solving complex multi-stage decision problems that fall under the general framework of Markov Decision Problems…”
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Reevaluation of high-order finite difference and finite volume algorithms with freestream preservation satisfied by Dong, Yidao, Deng, Xiaogang, Xu, Dan, Wang, Guangxue

“…•Conduct systematic comparisons of high-order FD and FV algorithms based on the coordinate transformation with the freestream preservation…”
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Strong stability algorithm for solving boundary problems in the irregular waveguide theory by A. A. Kurayev, V. V. Matveyenka, T. L. Popkova

“…It's proposed a finite-step algorithm with strong stability for solving incorrectly formulated two-point boundary problems for ordinary differential equations…”
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Land Cover Change Detection for Fully Polarimetric SAR Images by Kaldane, Heena, Turkar, Varsha, De, Shaunak, Shitole, Sanjay, Deo, Rinki

“…Land cover change detection is an important application of remote sensing data. Polarimetric Synthetic Aperture Radar (PolSAR) image offers increased potential…”
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A seismic modelling environment as a research and teaching tool for 3-D subsurface modelling by Burford, Dennis J, Ger, Larry, Blake, Edwin H, de Wit, Maarten J, Doucouré, C Moctar, Hart, Roger J

“…Early geological modelling and visualisation techniques were limited to manual cross-sections or isometric perspectives. Computer modelling has automated this…”
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Non-parametric partial least squares–discriminant analysis model based on sum of ranking difference algorithm for tea grade identification using electronic tongue data by Chen, Xiaojing, Xu, Yangli, Meng, Liuwei, Chen, Xi, Yuan, Leiming, Cai, Qibo, Shi, Wen, Huang, Guangzao

“…•Seven grades of tea were identified using e-tongue data.•Non-parametric PLS-DA model was proposed using sum of ranking difference algorithm.•Non-parametric…”
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Fire monitoring and detection using brightness-temperature difference and water vapor emission from the atmospheric infrared sounder by Yu, Jason, Jiang, Xun, Zeng, Zhao-Cheng, Yung, Yuk L.

“…•AIRS is a candidate for a fire incident detection and monitoring system.•The brightness-temperature difference algorithm aids in fire anomaly detection.•More…”
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An image encryption algorithm based on a novel two-dimensional hyperchaotic map and difference algorithm by Deng, Yong, Tian, Xiaomei, Chen, Zhong, Xiao, Yongquan, Xiao, Yanting

“…Currently, many existing image encryption algorithms have encountered challenges in achieving robustness and efficiency, mainly due to insufficient scrambling…”
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Numerical study of pulsatile non-Newtonian blood flow and heat transfer in small vessels under a magnetic field by Wang, Xiaoping, Qiao, Yanli, Qi, Haitao, Xu, Huanying

“…The purpose of this study is to analyze the impact of magnetic field on the unsteady blood flow pass a small vessel with a pulsatile pressure gradient by…”
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A high accurate decoupling Hamiltonian absolute nodal coordinate formulation for dynamic analysis of towing cable with large deformation by Liu, Longjian, Ding, Huaiping, Yin, Xiaochun, Zhou, Hao, Gao, Cheng, Deng, Xiaokai

“…For the analysis of towing cable dynamics, the absolute nodal coordinate formulation in Hamiltonian formalism is an appropriate method which can describe the…”
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Global Autonomous Positioning in GNSS-Challenged Environments: A Bioinspired Strategy by Polarization Pattern by Yang, Jian, Liu, Xin, Zhang, Qingyun, Du, Tao, Guo, Lei

“…How to determine the absolute position of users, such as underwater autonomous vehicles, ships or other long-range vehicles, is a fascinating and challenging…”
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Relocation of the 8 January 2022 Menyuan (Ms 6.9), China, earthquake sequence: A conjugated type of rupturing event with a seismic gap in the Qilian-Haiyuan fault in northeast Tibet by Zou, Kang, Lei, Jianshe

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Nonlinear motion modeling and analysis of underwater cables under complex loads based on global nodal position finite element method in Hamiltonian formulation by Zhou, Hang, Xiao, Wei, Hu, Dean, Han, Xu

“…The nonlinear dynamic response of underwater cable is essential for underwater equipment system. This paper presents an effective global nodal position finite…”
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A nonlinear algorithm for large deformations of multi-stepped variable-section flexible solar arrays by Zhang, Xiaozhao, Chen, Longlong, Chen, Wujun

“…Aerospace solar arrays serve as the primary means for spacecraft to collect energy. Flexible solar arrays have the advantages of a high deployment ratio, light…”
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Time two-grid algorithm based on finite difference method for two-dimensional nonlinear fractional evolution equations by Xu, Da, Guo, Jing, Qiu, Wenlin

“…In this paper, a time two-grid finite difference (FD) algorithm is proposed for solving two-dimensional nonlinear fractional evolution equations. In this time…”
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An efficient accelerating algorithm for 3D gravity anomalies forward modeling using discrete sine transform by Tong, Chenxi, Tong, Xiaozhong, Wei, Kanggui

“…Conventional numerical techniques for forward modeling of gravity anomalies need to solve a large sparse system of linear equations through matrix inversion…”
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Accuracy Analysis of GNSS Water Vapor Inversion Based on PPP and Double-Difference Network in China Region by Jin LUO, Yunchang CAO, Balin XU, Hong LIANG, Linghao ZHOU, Yizhu WANG, Jingshu LIANG

“…Using observation data from 945 ground-based Global Navigation Satellite System （GNSS） stations in the summer of 2023 in China， the double-difference （DD）…”
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A lightweight QRS detector for single lead ECG signals using a max-min difference algorithm by Pandit, Diptangshu, Zhang, Li, Liu, Chengyu, Chattopadhyay, Samiran, Aslam, Nauman, Lim, Chee Peng

“…•A sliding window based strategy is employed for online and real-time ECG analysis.•A novel algorithm, i.e. MMD, is proposed which uses Max-Min difference for…”
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