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MONITORING FARMLAND LOSS CAUSED BY URBANIZATION IN BEIJING FROM MODIS TIME SERIES USING HIERARCHICAL HIDDEN MARKOV MODEL
Urban Encroachment onto Farmland Time Series Change Detection Hierarchical Hidden Markov Model (HHMM)
2018/5/16
In this study, we proposed a method to map urban encroachment onto farmland using satellite image time series (SITS) based on the hierarchical hidden Markov model (HHMM). In this method, the farmland ...
变冲击系数的几何参数化变矩器特性模型（Parametric Torque Converter Dynamic Model with Variable Shock Loss Coefficient）
液力变矩器 键合图 无因次特性
2009/8/11
为解决变矩器特性模型中因冲击损失造成理论预测误差偏大的问题，建立了变冲击损失系数的几何参数化变矩器特性模型。模型以键合图作为系统动力学工具，采用模块化建模方法，分析了各工作轮的工作特性与能量损失，实现了通过几何参数进行工作特性的预测，采用变冲击损失系数的方法来增加模型精度。与样机性能实验结果对比表明，在转速比0至1全区段内，变冲击损失系数方法得出的变矩比和效率百分比误差的波动变化更小，这说明在工况...
Determination of Water Conveyance Loss in the Menemen Open Canal Irrigation Network
Conveyance loss seepage irrigation network open canal Menemen
2009/1/9
The aim of this research was to determine water conveyance loss in the open canal irrigation network that serves the irrigation areas on the right and left banks of the Menemen Plain, in the lower par...