俯仰角 的英文怎麼說

中文拼音 [fǔyǎngjiǎo]
俯仰角 英文
[航空] angle of pitch
  • 俯 : Ⅰ動詞（低下） bend down; bow Ⅱ副詞[敬] （舊時公文書信中用來稱對方的動作） deign to; condescend to
  • 仰 : Ⅰ動詞1 （臉向上） face upward 2 （敬慕） admire; respect; look up to 3 （依靠; 依賴） rely on ; d...
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 仰角 : [數學] elevation; angle of elevation; angle of gradient; angle of altitude; [軍事] quadrant eleva...
  1. Namely, we can get the 3d size by the azimuth angle and the pitching angle of the measured workpiece

    三維尺寸測量採用交匯測量的理論，通過被測工件的俯仰角和方位角大小得到其三維尺寸。
  2. Searching satellite is to change the azimuth angle and pitching angle by making antenna circumrotate azimuth axis and pitching axis with controller, so antenna can point itself to different satellite according to the demands

    尋星就是通過控制器的控制使天線圍繞方位軸和俯仰軸旋轉，從而改變天線的方位角和俯仰角，使天線根據要求對準不同的衛星。
  3. The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting

    地面激光雷達跟蹤測量分系統根據測量到的斜距離和俯仰角確定末敏彈傘彈系統的高度，在深入研究末敏彈穩態掃描過程的運動規律后，通過最小二乘法的二階分段曲線擬合，計算出落速。
  4. You may notice the el strobe shifting up and down

    你會發現俯仰角標記會忽上忽下，這種上下移動稱為「光柵掃描」 。
  5. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  6. Second, by computing the trajectory of the missile and the method of analyzing cep, influences that the fighter ' s height, speed, pitch angle, the deflection angle between fighter and target, and the target moving characters make on the times of fighter attack and missile launch are deeply developed. third, by relating the motion of the missile and the fighter, the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack. criterion of attack effect is proposed focusing on attack time of the fighter, trajectory of the missile and destruction probability to the target

    本文主要完成了以下幾個方面的工作：對導彈可發射區和飛機可攻擊區進行建模，通過對導彈彈道的模擬計算，並運用典型的圓概率偏差精度分析方法，詳細討論了飛機實施攻擊時，飛機的飛行高度h 、速度v 、俯仰角、與目標的偏離角_ x及目標運動特性等對飛機攻擊時機和導彈發射時機的影響；因此，將飛機和導彈結合起來，詳細研究了飛機在垂直平面和水平平面內實施攻擊時，飛機俯沖角和與目標的偏離角_ x對飛機的攻擊范圍的影響；以飛機實施攻擊的時間t 、彈道特性和對目標的殺傷概率p來評判對地攻擊的效果；最後給出典型算例，通過對空地攻擊過程的模擬實現，對飛機飛行過載提出要求。
  7. In this dissertation, radar detection in hrr has been taken as background. the followings are main contents of this dissertation : ( 1 ) based on analyzing the targets and the clutter ’ s specific characteristics of hrr radar, the echo models of targets and clutter have been studied respectively ; the changes of targets ’ echoes in different elevation angles, azimuth angles and attitude angles have been analyzed ; then, the echo models of lfm radar clutter have been established

    本文針對高距離分辨雷達目標檢測開展研究，主要完成了以下幾方面的工作: （ 1 ）分析了高距離分辨雷達目標和雜波回波特徵，在此基礎上分別研究了高距離分辨雷達目標和雜波的回波模型，分析了不同俯仰角、不同方位角以及不同姿態下目標回波模型的變化，並建立了線性調頻脈沖壓縮雷達的雜波模型。
  8. 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。
  9. After introduced its task and construct of the controller of the homing gliding missile, the longitudinal and lateral motion equations are provided. a continuous fuzzy - pid control system combined the advantages of fuzzy control and pid control is presented, and could be guaranteed the stability of the system using popov stability criterion. the results of simulation show that the fuzzy - pid control is able to provide a better relative stability and robustness, also have better dynamic and static characteristics than the pure pid control

    將模糊控制和pid控制相結合，研究了一種基於模糊pid的連續控制器，利用波波夫穩定判據判定該控制器是漸進穩定的，並將其應用於制導滑翔彈俯仰角、偏航角、滾轉角穩定迴路中，設計模擬結果表明，該種連續控制器可使系統獲得很好的穩定性和魯棒性，動、靜態性能比單純pid控制都有較大提高。
  10. In the following part, trajectory design and computation are given, including fight scheme and control & navigation laws. through the design and computation, the profile of attack angle, trajectory angle and pitch angle are designed. these works provide theoretical fundamentals for dynamics analysis and practical trajectory design

    第三部分內容是對導彈的彈道進行設計與計算，給出導彈在各段的飛行方案或導引規律。設計出導彈在整個飛行過程中的質點彈道，迎角、彈道傾角和俯仰角等參量在導彈攻擊目標過程中的變化規律，為進一步的質點系彈道和動態分析提供理論基礎。
  11. In the radar elevation coordinate, the multipath effects are more severe, which cause periodic peak error in the target height measurement

    在雷達俯仰角（目標高度）方向上多徑誤差的影響尤為嚴重，使得目標高度的測量誤差表現為周期性的尖峰誤差。
  12. Taking no account of the non - uniformity of the detector, this paper analyzed the performance of the traditional four - quadrant angle - measurement algorithm and two other algorithms in calculating the pitch angle and the deflection angle of the incident ray, and also compared the error curve of the pitch angle calculated by each algorithm in the full plane

    摘要在不考慮探測器非均勻性影響的情況下，本文分析了傳統四象限測角演算法和另外幾種演算法在計算入射光的俯仰角和偏轉角時的性能，還比較了在整個平面內各個演算法得到的俯仰角的誤差曲面。
  13. This paper, in advantage of modern control theories, designed the pitch control system and the altitude holding system of the x armed helicopter, and present digital simulation, coupling analysis, sensitivity analysis, system performance analysis under different input and initial condition

    本文應用現代控制理論設計了某型武裝直升機的俯仰角控制系統和高度保持系統，並進行了數字模擬、耦合分析、飛行狀態變化對控制系統性能的影響分析，及在不同輸入初始條件下的系統性能分析。
  14. The different performances of simulating image in different pitching angle are investigated

    分析了不同的俯仰角和深度條件下，模擬圖像的不同特徵。
  15. It includes esm and t - esm and some flying quality evaluating laws such as the bandwidth law ( bwl ), the neal - smith law ( nsl ), the chalk law ( cl ) and the c * law. this software is useful for the design of flight control systems

    該軟體包可以用頻域等效系統方法、時域等效系統方法、帶寬準則、閉環準則、俯仰角速率準則、 c準則等進行飛行品質的計算及評估，對飛控系統設計有實用價值。
  16. 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。
  17. The switch logic between high thrust and low thrust, switch rule between ppc methed and qsc methed, and the switch maneuver between pitching and attacking in af are given

    給出了高水平推力和低水平推力的切換邏輯，相平面控制與準滑模控制律的切換準則和角度反饋中俯仰角和攻角的切換策略。
  18. Firstly, the four features of five air targets are extracted here : target identity ( tid ), elevation measurement, target speed and acceleration. then the statistical models of features are established to classify five air targets

    首先，就五類空中目標提取了四種特徵：目標身份、俯仰角、速度和加速度等，同時建立了它們的統計模型。
  19. Their weights vary with the velocity of the platform and the requirements of the precision and the data - rate of the ins or gps are very high at the beginning the distribution of the space - time spectrum of the clutter is studied

    一方面，主瓣雜波的帶寬和斜率隨著掃描方位角的變化而變化；另一方面雜波的二維分佈隨著距離或俯仰角的變化而變化。
  20. Through all - round energy analysis for the device of azimuth and pitching, the tracking system of azimuth and pitching is studied and the non - linear relations between pitching kinetic and the angle of pitch biaxial is provided

    本文以方位俯仰型跟瞄系統為研究對象，通過對方位俯仰型裝置的較全面的能量分析，給出了俯仰動能與俯仰角之間的非線性關系。
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