視線角 的英文怎麼說
中文拼音 [shìxiànjiǎo]
視線角
英文
angle of sight-
The cavalcade, following the sweep of the drive, quickly turned the angle of the house, and i lost sight of it
這隊人馬順著車道的彎勢很快轉過屋角，在我視線中消失了。這時阿黛勒要求下樓。It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results
對于復雜的非線性導彈制導系統，很難求得其解析的最優制導律，只能求得開環的數字解，不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力，對開環的數字最優制導律進行離線的學習，作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響，以及各種制導律的魯棒性問題，並採用模塊化神經網路結構提高神經網路的學習和推廣能力，模擬結果得到一些有益的結論This second trip fairly aroused the watchers along shore. lillibullero was dropped again ; and just before we lost sight of them behind the little point, one of them whipped ashore and disappeared
而就在我們要繞過岸線上的小拐角從他們的視線中消失的時候，他們中的一個拔腿向岸上跑去，一下子就沒影了。Proper motion of a star
恆星運動方向與視線之間的夾角。Next, to gain accurate los rate is the key for hit - to - kill since true proportional navigation ( tpn ) is convergent if the initial state between ekv and target is inside the capture region
其次，由於真比例導引本身是穩定的，所以獲取一定測量精度的視線角速率是實現成功攔截的關鍵。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求It divides the specific shapes of city space into streets, water systems, city skyline and corridors of sight lines. it also aims at the special landscape of hilly cities and analyzes their characteristics from macro and micro angles. at the same time, it explores some specific treatment principles and design methods, in hopes that it could provide useful references for the landscape constructions of china ' s hilly cities
本文主要是從城市景觀的角度，把在山地城市的景觀構成中占重要地位的線形景觀作為主要的研究對象，並根據城市空間的具體形態，將其分為街道、水系、城市天際線和視線走廊等幾個部分，針對山地城市特殊的地形條件，從宏觀、中觀、微觀等角度，分析它們各自的景觀特點，並結合大量實例探討了一些具體的處理原則和設計方法，以期對我國山地城市的景觀建設提供有益的參考。Secondly, based on the existing international technologic analysis, two different measurement schemes are proposed. one navigation scheme uses pixels as measurements vector, and the other one uses line of sight ( los ) of object celestial body and angles from probe to object body as the measurements vector
其次，通過對國際上現有技術的分析，給出兩種不同的導航觀測方案:一是利用圖像作為觀測量的自主導航;二是利用視線方向及夾角作為觀測量的自主導航。A section, which is specially printed on wood - free paper to deliver artistic sense of culture, lists out the monthly recommendations with an inspiring point of view on cultural elements including exhibitions, movies, music and books
特別以書紙印刷，取其散發的藝術氣息，每月羅列精選藝術展覽、電影、音樂及閱讀等等，以《新視線》的新角度審視當代文化。Liquid crystal tunable filters as an important device of wavelength division multiplexing and dense wavelength division multiplexing systems is caused attention by research department, especially many foreign research institute are studying it. but in our country its study is lag. and normal incidence of the crystal is almost the case, because the liquid crystal box is very thin, the field angle may be large and the pose of liquid crystal box may have impact on the measuring result. so, study in such subject, especially the liquid crystal box ' s position angle, is academic and valuable
各種改進液晶電光可調諧濾光片的措施的實現，使得液晶調諧濾光片成為一種很有應用前景的電光調諧濾光片，特別是用於光纖通信中的波分復用系統和密集波分復用系統，將使光纖的傳輸客量大大增加目前國外在這方面的研究進展很快，而國內在這方面的研究比較薄弱，而且通常採用光線正人射晶體進行研究，由於液晶盒很薄，視場角可以很大，液晶盒的擺放對測量結果影響很大，因此對該器件進行深入的研究，討論液晶盒的方位角影響是很有必要的。In addition, if your line of sight is perpendicular to the line of intersection between the mirrors, then no matter where you are, your image will always be visible as long as you can see the line of intersection ( note that the angle between the orthogonal mirrors must be accurate )
直角鏡有一個有趣的特性，就是當你將直角鏡轉動時，鏡像的轉動角度會大一倍。此外，只要直角鏡面相交線與視線垂直，無論你站在甚麼地方，只要看到相交線，就可以看到自己的影像（要注意鏡子的夾角必須準確） 。In addition, if your line of sight is perpendicular to the line of intersection between the mirrors, then no matter where you are, your image will always be visible as long as you can see the line of intersection note that the angle between the orthogonal mirrors must be accurate
直角鏡有一個有趣的特性，就是當你將直角鏡轉動時，鏡像的轉動角度會大一倍。此外，只要直角鏡面相交線與視線垂直，無論你站在甚麼地方，只要看到相交線，就可以看到自己的影像要注意鏡子的夾角必須準確。Using the eye - gaze distinguishing and tracking method based on the image processing technique, the position relationship between pupil center and glint which produced by the corneal reflection and the near - infrared light was analyzed, the fixation point of the eye - gaze on display screen was deduced, and the mouse accuracy by eye - controlled in the screen may achieve to 40 pixels
摘要利用基於圖像處理技術的視線方向識別、跟蹤方法，通過近紅外光線在眼睛角膜反射產生的光斑和瞳孔中心的位置關系來確定視線方向，推導出人眼在計算機屏幕上的注視點，進而實現人眼對鼠標的定位與操作，其在顯示屏上定位精度可達到40 40像素。3 ) we research the attitude character of the radar target in the midcourse, analyse the rotation of the target in the midcourse on the basis of the attitude dynamics of space target. with the data of the trajectory in the midcourse, we calculate attitude parameter of the ballistic missile
在空間目標姿態動力學的基礎上分析中段目標的進動，結合中段軌道數據，給出了中段彈道導彈的姿態參數（目標雷達視線角）的計算結果。Firstly, the work principle of staring laser detection optical system is introduced, and the relation between optical antenna ’ s amount and fov in laser warning system of optical antenna array is deduced
首先闡述了凝視型激光輻射探測光學系統的工作原理，推導了光學天線陣列激光告警系統中光學窗口數與光學單元視場角應滿足的關系。The robustness of variable structure guidance to line of sight rate measurement noise
視線角速度測量噪聲對變結構制導魯棒性的影響分析Sun web site. for a highly technical approach to threading, see by doug lea
要從一個純技術角度來審視線程，參閱doug lea編著的For the problem of navigation planning, the selection of the navigation signpost, asteroids and the planning of the photoing sequence are important matter. this dissertation proposes criterions, including visible magnitude, distance, relative velocity, angle of sight lines, on selection of asteroids, based on the trajectory scheme of exploring ivar
對于導航小行星篩選問題，提出了基於小行星可見星等、距離、相對速度、視線夾角的篩選準則，並利用綜合評估的方式進行導航小行星的篩選;對于小行星拍照序列規劃問題，分別採用反復最鄰近法和改進的遺傳演算法進行求解，並對兩種方法進行了比較分析。In this dissertation, missile ’ s states in the boost phase and trajectory parameters estimate algorithms are studied by using angles of arrival measurement from space - based infrared sensor, and the availability and precision is validated through simulation
本文主要利用地球同步軌道的預警衛星敏感器探測的目標視線角測量，對導彈主動段運動狀態和彈道參數估計演算法進行了研究，並通過模擬驗證了方法的有效性和可行性。In the end they found the correct direction and our eyes followed them until they turned a corner and disappeared from our sight
最後他們終于找到正確的方向，我們的眼光一直跟著他們直至他們離開我們視線范圍走進一個角落。分享友人