The dynamic swing index transformation method of firsthand data sequence and GPPM (1) grey model is studed and set up.
研究提出了原始数据序列的动态摆动指数变换方法和GPPM(1)灰色模型。
The research method and the proposed index may provide valuable reference for cost evaluation works of Chinese rural power network transmission and transformation construction projects.
研究方法及其评价指标为我国农网输变电工程造价水平评价工作提供了有价值的参考。
Based on the new method, beam transformation in medium with ununiform index was calculated, and it can be used to deal with Optics aberrations in ununiform medium.
利用该方法模拟了任意折射率分布介质中的激光传输，同时为具有畸变效应的非均匀介质中的光传输的问题提供了一种研究方法。
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