elevation tracking 中文意思是什麼

elevation tracking 解釋
高低跟蹤
  • elevation : n. 1. 高舉，高陞；【醫學】挺起，隆腫。2. 升級；上進，向上。3. 高尚。4. 高處，高地，高度；海拔；（槍炮的）仰角，射角；【測】標高。5. 【建築】正視圖；立視圖。
  1. In astronomical coordinates ( reference mark is north latitude 43. 9 ), analyzed is the effect of azimuth angular velocity, acceleration and altitude angular velocity, acceleration etc. some formulae were given to compute all correlative quantities. with regard to the course of data processing beforehand, the thesis focuses on outliers eliminating technology because of outlier increasing acutely of high - elevation tracking ( approaches 10 - 20 % )

    在觀測坐標系中推導出確定天頂盲區理論范圍公式和滿足過天項跟蹤條件的關系式；在天文坐標系中以長春衛星觀測站（北緯43 . 9 ）作為計算基準，分別討論了方位、俯仰方向的角速度、角加速度等對天頂盲區的影響，在理論分析上為解決過天頂跟蹤問題打下了基礎。
  2. Based on the research of the complex angle and the bias compensation techniques, the dynamic compenstion with relative phase is developped for elevation tracking & measure with the amplitude - comparison monopulse radars, and it is proved to be a optimum technique by thoery and simulations

    因此，在深入研究復角法和固定偏差補償法的優缺點基礎上，本文針對單脈沖比幅測角體制的雷達，提出了一種新的俯仰角測量演算法?聯合相位的動態偏差補償法，理論分析和計算模擬證明這種演算法了這種演算法的優越性。
  3. When low elevation targets arc tracked using the monopulse radar, the multipath effects including the specular reflect and diffuse reflect degrade severely the tracking performance

    雷達跟蹤海面低空目標時，由鏡面反射和漫反射引起的多徑誤差嚴重影響雷達的跟蹤性能。
  4. At this moment, both the direct signal and the reflected one impinge into the array, and make the amplitude and phase of the echo change, which cannot be separated from the direct one, thus cause server errors of elevation ’ s estimation, even the failure of tracking

    此時直達信號與反射信號同時進入天線，造成回波幅度與相位的變化，並且這種變化不能從直達信號中分離出來，從而造成目標仰角估計的嚴重誤差，甚至引起跟蹤的失效。
  5. Estimates of bearing and elevation and the standard deviations of the measurements, which are monopulse processing ' s results in ecm, are given. the measurements of simulation is the basis of processing tracking algorithm

    通過建立相控陣雷達的模擬模型，給出了ecm存在時單脈沖測角的目標的測量角度和誤差方差。觀測模型的建立為目標演算法的進行奠定了基礎。
  6. Through the analysis of the test data and the new development in the relevant literature, some more realistic models for sea - clutter and multipath propagation is concluded and the simulation is accomplished in the software. they provide the foundation for low - altitude radar target detection & tracking techniques research. in the second part, radar low - altitude target detection & parameters ( elevation - azimuth - range delay - doppler shift ) measure are studied

    （海）雜波和目標信號的多徑傳播嚴重影響了雷達低空目標探測與跟蹤的性能，通過分析國內外的有關試驗數據和最新的研究進展，總結出比較接近實際的海雜波和多徑傳播模型，並在有關軟體中實現了海雜波與多徑傳播的模擬，為進一步研究各種低空目標探測與跟蹤測量演算法提供了保證。
  7. The third part pay more attention to elevation tracking with monopulse radar while the target is in the horizon region. multipath propagation seriously degrades the performance of elevation tracking and makes the radar unable to work properly

    當目標處在這一區域時，信號的多徑傳播給俯仰角測量帶來很大誤差，使包括dmc雷達在內的許多雷達難以正常工作。
  8. It is proved by computer simulation that the slant 3 - axes radar can be used in target tracking in the whole air space without blind zone and beam slant. it is pointed out that the slant 3 - axes radar can reduce the maximum angle for elevation axis compared with 3 - axes perpendicular radar, then reduce the technique demand of angular velocity and acceleration of elevation axis

    通過模擬驗證了傾斜三軸雷達系統在工程上可以做到波束無傾斜和全空域跟蹤無盲區的結論，並指出此系統與正交三軸系統相比，可以減少俯仰軸的最大轉動角，從而降低系統對俯仰軸的角速度和角加速度的技術要求。
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