z-motion z 中文意思是什麼
z-motion z
解釋
軸向運動-
Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn
提出了將譜分析與抗差估計相結合的抗差譜分析方法，並用該方法分析了地心運動時間序列的主要周期特性；為合理地確定地心運動參數，詳細研究與分析了一種新的定權方法對求解地心運動參數的作用，該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性；為了明確地心運動導致的高程基準的變化，分析了地心運動對地面點的水平分量和垂直分量的影響規律。 -
The study comes from two projects - " the practical experiment of ship navigation and the simulation study of the shu - tong yangtze river road bridge " and " the study on the ship navigation of the yichang yangtze river railway bridge ". the data is from these practical experiment which includes z - model experiment of sea - going vessel and fleet, turning motion experiment, stroke experiment and encounter experiment between sea - going vessel and fleet. based on those, it calculates the track of the ship in the navigational waters according to the maneuverability and the response equation
本文結合導師課題， 「蘇通長江公路大橋船舶通航實船試驗及模擬研究」 ，和「宜萬鐵路宜昌長江鐵路大橋船舶通航問題研究」通過大量的實船試驗：海船及船隊的z型試驗、旋迴圈試驗、沖程試驗和海船及船隊在橋區的航行會船試驗等，以試驗的數據為依據進行理論分析、計算，然後根據船舶的操縱性能及操縱響應方程，計算船舶在橋區的運動要素及航跡。
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