Terrain data is organized by grid, the article adopts height weighted average algorithm of elevation based on grid network, to extract feature point of TIN terrain.
采用网格索引来组织地形数据，利用反距离高程加权平均值算法，提取TIN地形的特征点。
This paper offers an assumed model called system weighted Average Tranafer Function of a linear vibration system to identify the complex modal parameters by using multi-point measured frequency data.
本文提出用多点频响函数来识别系统的复模态参数，建立了系统加权平均传递函数的假设模型。
This paper presents the determination of the elevation anomaly of GPS point in mountainous area, using the method of weighted average values. Also, it gives two methods to determine the weights.
本文提出了用加权平均值法，求定山区GPS点的高程异常，并提出了两种定权方法。
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