仰角差 的英文怎麼說

中文拼音 [yǎngjiǎochā]
仰角差 英文
elevation difference
  • : 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...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 仰角 : [數學] elevation; angle of elevation; angle of gradient; angle of altitude; [軍事] quadrant eleva...
  1. The paper designed aerodynamic control system of pith and yaw channels and roll angle stabilization system, by using unsteady - state error follow - up control theory and state observation station theory in modern control theory

    本文使用現代控制理論中的無靜跟蹤控制系統理論與狀態觀測器理論,設計了俯、偏航兩個通道的氣動力控制系統和滾轉穩定系統。
  2. 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。
  3. Angular calibration of radar antenna system is composed of the calibration of angular error sensitivities ( also called directional sensitivity ), adjustment of cross - coupling of azimuth and elevation signals, and the calibrations of system errors such as antenna axial system error, dynamic delay and so on

    雷達系統天線的度標校包括對系統靈敏度(又稱定向靈敏度)的標定、方位俯信號交叉耦合的調整以及對天線軸系誤、動態滯后等系統誤的標定。
  4. 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、與目標的偏離_ 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,飛機俯沖和與目標的偏離_ 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。
  5. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星、方位和距離,給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究,分析了多用戶干擾、接收光功率、背景光噪聲、振動偏以及碼速率對系統誤碼率的影響,給出了相應的改進措施。
  6. 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,在深入研究復法和固定偏補償法的優缺點基礎上,本文針對單脈沖比幅測體制的雷達,提出了一種新的俯測量演算法?聯合相位的動態偏補償法,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。
  7. However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences

    干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系,即干涉相位,方位是直接由干涉相位計算得到,或將兩基線正交的天線陣的干涉相位轉化為驅動電壓(電流)分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈,模擬顯示出來波方位,干涉儀測向為典型的相位測向方法。
  8. 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(目標高度)方向上多徑誤的影響尤為嚴重,使得目標高度的測量誤表現為周期性的尖峰誤
  9. 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,從而造成目標估計的嚴重誤,甚至引起跟蹤的失效。
  10. In new state standard < < machining center testing items - accuracy testing > > [ refering to iso / dis10791 ], issued in 1999, the test of straightness accuracy has been changed. now it becomes more scientific and reasonable. in old state standard, the testing of straightness accuracy of kinetic part only focus on vertical and " horizontal plane, and it only includes two linear errors ; but in new state standard, we not only measure those two linear errors, but also measure the errors of pitching, deflecting, and inclining of the kinetic part, so it includes two linear errors and three angle errors

    1999年公布的國標《加工中心檢驗條件?精度檢驗》 (參照iso dis10791訂)中,直線度等項的檢測做了更為科學的實質性更改,坐標移動的直線度以由只檢測垂直面和水平面內的兩個平移線值誤,改為用移動坐標方向之外的另兩個坐標的平移線值誤和移動部件繞三個坐標軸的俯,偏擺和傾斜三個值誤綜合表徵。
  11. 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演算法和另外幾種演算法在計算入射光的俯和偏轉時的性能,還比較了在整個平面內各個演算法得到的俯的誤曲面。
  12. This paper mainly studies the coupling error caused by induction voltage phase difference, and fluctuation of directional sensitivity caused by changes in near - field difference slope. the trend of system sum and difference phase difference, directional sensitivity and cross - coupling with change in distance is compared and discussed when the antenna is in the near - field and at a certain elevation

    本文著重研究了因近場感應電壓相位引起的耦合誤,以及近場天線斜率變化引起的定向靈敏度的變化;討論了天線在近場並有一定的條件下,隨著距離的變化,系統和、相位、定向靈敏度與交叉耦合的變化趨勢。
  13. 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測量帶來很大誤,使包括dmc雷達在內的許多雷達難以正常工作。
  14. New method of precise correction for atmosphere refraction in low elevation

    蒙氣精密修正的新方法
  15. The results of computer simulation a re proved. thirdly, the paper analyze the angle error caused by elevation axis not in horizontal plane, make a conclusion that 3 - axes perpendicular radar can not track in the whole airspace, propose the structure of slant 3 - axes radar

    然後,從工程實際出發,著重分析了俯軸不嚴格水平對雷達測系統造成的誤,得到了正交三軸雷達並不能進行全空域跟蹤的結論,提出了傾斜三軸的雷達天線座結構形式。
  16. Any factor, among communicator, media, information, and social context, may result in false cognition during the process of communication. these factors can stimulate audience all sorts of psychological reactions, such as empathizing, perspective expectation, thought formulation, and so on. through analyzing psychological reactions of audience, i ' ll categorize false cognitions and explore the reason why false cognitions happen

    傳者、媒介、訊息、社會語境(包括社會文化、民俗習慣、價值觀念、社會心態、宗教信等)幾個要素中,任何一種失誤都會使受眾產生各種各樣的心理反應,如:受眾的移情心理、受眾的逆反心理、受眾對傳者的色期待心理、受眾的期待視野、思維定勢等,筆者從受眾的這些心理反應對受眾的認知偏進行了分類,並分析其產生原因。
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