tracing curve 中文意思是什麼
tracing curve
解釋
描跡曲線-
In this paper, the definitions of soil macropore and macropore flow, their types, characteristics, generation mechanisms, and experimental methods in laboratory and field were introduced, and the research progress in their determination techniques, including dye tracing, slice up penetration curve, tension infiltration apparatus, x - ray ct scanning, and radar exploration were summarized
摘要介紹了大孔隙及大孔隙流的定義、多種表現形式及其重要特徵、產生機理和室內外實驗研究概況，以及染色示蹤、切片、穿透曲線、張力入滲儀、 x射線ct掃描攝像和雷達探測等方法的研究進展，揭示這些實驗方法的優點與存在的問題。 -
We put more attention on the study of 3d graphic rendering technology, such as shading model and ray tracing. shading model is compared of simple shading model and whole shading model. studied the radiosity and texture mapping, mainly about the parameter curve surface texture mapping, two steps texture mapping, environment texture mapping and mip - map mapping
研究了光照模型及光線跟蹤技術，包括簡單光照明模型、整體光照明模型；分析了輻射度方法及紋理映射技術，研究了紋理映射中參數曲面的紋理映射技術、兩步法紋理映射、環境映射、 mip - map映射等映射技術。 -
It presents algorithms to extract the similarity of intersect curve in different offset distance and use ttp to label the topology of surface intersect. the algorithms succeed in combination of tracing method and topology information, and present an optimized offset ssi algorithm. the optimized algorithm pre - processes surfaces to achieve ttp, and decides calculation strategy of starting points by analyzing the properties of ttp on the surface
本文通過對等距曲面交線結構進行了大量的分析，從交線的形成和演化過程，揭示了等距曲面的交線拓撲結構和曲面上特徵點之間存在著本質的聯系，提取等距曲面不同offset距離交線環的相關性，並使用特徵點來標識交線環的拓撲信息，成功地將拓撲信息和跟蹤法相結合，設計了一種等距曲面求交優化演算法。 -
At the same time, hierarchy intersection is applied for unified classification, and for tracing the intersection curve to overcome degenerate cases that occur frequently in practice
同時採用層次求交和交線跟蹤的方法，保證曲面片分割和區域分類的一致性，從而克服了實踐中常見的退化情況。 -
According the topology of intersect curve, it dynamically adjust the local tracing strategy to reduce the ssi computation time. it can overcome the degenerate conditions such as loop leaking and singularities. based on offset ssi algorithm, the dissertation pay emphases on motional ssi problem
演算法通過在曲面交線拓撲信息的指導下，確定交線分支初始點的求取策略，根據交線環拓撲結構，動態調整交線環的局部搜索策略，從而提高了交線環求解的演化效率。 -
The main studying content of this thesis is the speed control system of hydraulic elevator applying the speed feedback technology. aiming at high reliability, the embedded controller of single chip processor is made, which can control the hydraulic elevator tracing the ideal curve easily and reliably
以高可靠性為目標，對液壓電梯單片機控制器進行了軟、硬體設計，並將計算機技術應用於液壓電梯控制系統中，設計計算機監測系統，輔助系統的調試研究。
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