基于大田土壤水分入渗试验与相关参数的测定，分析了耕作土壤入渗能力衰减过程，探讨了耕作土壤入渗能力衰减机理。
Based on soil water infiltration testing and related parameters measured in field, tillage soil water infiltration capacity attenuation process was analyzed and the mechanism was discussed.
将中心点的空间距离作为一个拟合参数引入预测过程，提高了预测精度和消噪能力。
The prediction precision and the ability of noise elimination are improved by introducing space distance of central point as fit parameter into predicting process.
惯性权值作为粒子群算法的一个全局参数，能够方便地控制算法的搜索能力和收敛速度，在算法运行过程中具有重要的作用。
As a global parameter of PSO, inertia weight can easily control algorithm of search ability and convergence speed, and plays an important role of operation process in algorithm.
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