零距原點 的英文怎麼說

中文拼音 [língyuándiǎn]
零距原點 英文
zero range origin
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  1. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制,分析了地形目標回波特性;建立了地形跟隨雷達空地測的幾何關系;利用雷達收發信號,導出了地形跟隨雷達和差接收通道的回波信號表達式,進行了波形模擬,得到了地形跟隨雷達的地面散射產生回波在時域中的特性;根據和差回波特性,闡述了差信號過檢測測理和方法及工程實踐中的應用,並給出了真實雷達對外輻射試驗的結果,驗證了文中的模擬。
  2. The key to the settlement of question lies in rapid determining the position relations, which satisfies the restraints on layout between these contours. in order to do so, a series of characteristic points on a contour should be obtained by cutting the contour through horizontal equidistant lines, then the position relations mentioned above can be determined, and some layout parameters are solved. finally, a optimum result of layout is obtained

    理是先用等水平線分割件輪廓,得到一系列輪廓的特徵,然後利用其特性可快速確定件輪廓在滿足排樣約束時的相互位置關系,通過與之匹配的高效演算法可求得排樣參數,獲得最優排樣方案。
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