fold geometry 中文意思是什麼
fold geometry
解釋
褶皺的幾何形狀-
Firstly, the process of fold and deployment was divided into several steps. secondly, the relative geometry results of the last simulation step was picked up as the initial geometry configuration of current step, using the restarting technology provided by fem programs, then the models of a inflatable structure with an paraboloid shape were established
然後，基於ls - dyna970中的airbag模型，建立了捲曲折疊空間充氣展開管的有限元模型，運用控制體積法將充氣管離散為若干連續的腔，成功模擬了其充氣展開過程，並研究了不同充氣速率對充氣管展開過程的影響規律。 -
Through observing the influence of different geometry to reflect wave in deep layer, using seismic digital simulation tracing method, analyzing the influence of max - offset, trace interval, fold and geophone planting to reflecting energy, this article, summarizes, in both theory and practice, the application result of " bin stack " acquisition method
通過不同觀測系統對提高深層反射信號的影響，採用地震數值模擬射線追蹤方法，分析了觀測系統中最大炮檢距、道距、覆蓋次數及檢波器埋置，對提高深層反射信號能量的影響，從理論到實踐總結了「面元疊加」採集技術的應用效果。 -
This paper proposes a method for optimizing the parameters of geometry system. based on the ray tracing for the built - model, discussing and analyzing the parameters of geologic aim such as the bin size, calculating the fold of aim layer ' s common reflection point, comparing the fold of crp with the fold of common mid - point, the geometry system ' s parameters are adjusted to improve the low fold bins, the quality of data collection and effect of exploration
本文提出了首先建立目標地質體的數字模型，根據射線追蹤正演分析，目標地質體的參數分析（面元分析等） ，統計求取復雜地質模型目標層真正的共反射點覆蓋次數，比較cmp面元與實際crp面元的覆蓋次數差異， cmp道集對應的共反射點面元分析，針對覆蓋次數較低的目標層面元調整和優化觀測參數，提高目標層的採集質量和勘探效果。
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