船尾線型 的英文怎麼說
中文拼音 [chuánwěixiànxíng]
船尾線型
英文
buttock line-
The state - of - the - art of the study of ship and ship wake detection is summarized. the target types of the ship and its wake in different resolution sar images are analyzed and a conclusion is draw. the issue of ship target detection to the low or middle resolution sar image is point target detection while the issue to the high - resolution sar image is hard target detection
本文在文獻綜述的基礎上，全面分析了sar圖像艦船目標及其尾跡檢測的研究現狀，通過應用sar圖像理解的基本理論，分析了不同解析度圖像中艦船目標及其尾跡的類型，並得出結論：中低解析度sar圖像中的艦船目標檢測是點目標檢測；高解析度sar圖像中的艦船目標檢測是硬目標檢測； sar圖像艦船尾跡檢測是線性目標檢測。During the past decades, some researchers, such as : bezier, kj. versprile, deboor and cox, etc. had made great progress in the filed of constrained b - spline curve and surface fitting. in this article the method of constrained b - spline curve was introduced, which is used to figure out the control vertexes. using this interpolation method we can calculate every points of a uniform b - spline
並且分析了在各種端點情況下，在重節點的情況下，如何反算控制多邊形的頂點；如何在求出控制多邊形頂點之後，插值計算b樣條擬合曲線上的每一點；並通過結合雙尾船的型線，採用visualc + +和autocad2002為平臺，分別編制了相應的軟體，對提供的型值做出繪圖處理，取得了良好的效果。
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