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赤平投影網的解析原理

  • 摘要: 在巖體力學研究中,為對地質弱面進行統計加工和對巖體結構進行幾何分析,常常需要用到赤平投影方法。本文從解析球面圓的'赤平投影入手,系統地討論了赤平極射投影和Lambert投影的關系;給出了吳爾夫網和施密特網的解析表達式;對這兩種通用的投影網在等角性和等面性方面的特征進行了分析。在此基礎上給出了一個簡化的算式,以確定吳爾夫網中等價圓的半徑,如果以吳氏網為基礎以電算機制作等密曲線,這一算式將有實用價值。

     

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