方位仰角 的英文怎麼說
中文拼音 [fāngwèiyǎngjiǎo]
方位仰角
英文
azimuth elevation- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 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...
- 方位 : position; bearing; direction; points of the compass; placement
- 仰角 : [數學] elevation; angle of elevation; angle of gradient; angle of altitude; [軍事] quadrant eleva...
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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。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。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。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。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
雷達系統天線的角度標校包括對系統角誤差靈敏度(又稱定向靈敏度)的標定、方位俯仰信號交叉耦合的調整以及對天線軸系誤差、動態滯后等系統誤差的標定。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通信系統中衛星仰角、方位角和距離,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、振動偏差以及碼速率對系統誤碼率的影響,給出了相應的改進措施。The goal of the dissertation is based on a doctrine which to find a road to break long - disturbing the chinese nation structual cultive of " self - ambition and self - contempt " double psychological conflict. with the central issue of rational resetup national self - confidence, and on the guide of historical materialism and dialectic materialism, then carry on several tentative research as following : firstly, as viewed from culture, the author reexplain the connotation and extention of national self - confidence, reveal the functional relationship between national self - confidence and culture. bring up a new opinion that national self - confidence stem form national culture, and it is a belief in national culture, it becomes rational base and inner power of national consciousness
本文基於文化建設應肩負培育和弘揚民族精神這一任務要求,圍繞文化重建民族自信心,打破長期困擾中華民族的「自大? ?自卑」二元心理沖突結構這一中心課題,以歷史唯物主義與辯證唯物主義為指導,進行了如下幾個方面的嘗試性研究:一、從文化的角度,重新闡釋了民族自信心的內涵與外延,揭示了民族自信心與文化的功能性關系。提出民族自信心來源於一種民族文化的建構,是建立在理性基礎上的一種對民族文化的認同和信仰,它構成一個民族的民族精神的核心部位和內驅力量。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。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,即干涉相位差,方位角或仰角是直接由干涉相位差計算得到,或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓(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。Linear array can only provide an azimuth scan ranging from 0 to 180 degree, while circular array from 0 to 360. by means of recurring moving array excitation, circular array controls the beams ’ orientation simply and neatly, creating a perfect pattern in azimuth and an ideal pattern in pitch
線陣只能有180的掃描范圍,而圓形陣列能夠提供360方位角,通過循環移動陣列激勵,簡單而靈活地操縱波束的方位,能夠在方位上產生沒有方向性方向圖,而在俯仰方向上也有一個理想的方向特性。At the same time, the radar tracked the movement of the radar reflector and determined the range, azimuth and elevation of the reflector, allowing computation of winds
同一時間,雷達不停追蹤著雷達反射器,測定其距離方位及仰角,以計算風向和風速。At the same time, the radar tracked the movement of the radar reflector and determined the range, azimuth and elevation of the reflector at intervals of one minute, allowing computation of winds at different altitudes
同一時間,雷達不停追蹤著雷達反射器,每隔一分鐘測定其距離、方位及仰角,以計算不同高度的風向和風速。The controller adopts tms320f240 dsp as its main control unit, using code wheel for angle measurement, using synchronous serial communications interface for the duplexing data communication between the controller and the upper computer, using rs - 232 interface for the communication between the pitch axis controller and the azimuth axis controller, and then developed the interface circuit to the motor driver
根據控制器研製要求,提出總體方案。控制器採用dsp作為主控單元,利用光電碼盤測角,利用同步串列通信介面與上位機進行雙向數據通信,利用rs - 232介面進行俯仰軸和方位軸控制器之間的通信,並研製了與電機驅動器的介面電路。Radar ( radio detection and ranging ) detect the objects in the space and estimate the objects " parameters, such as distance, azimuth, angle of elevation, velocity, by transmitting radio wave. in national economy, it is used in navigation, weather forecast, geological mapping, military affairs and so on
雷達利用發射的無線電波探測空間中的物體並確定其距離、方位角、仰角、速度等各項參數,廣泛應用於導航、氣象預報、地質測繪、軍事等領域。The coordinate transformation technology is adopted to compensate real time attitude angles of the swinging ship on the azimuth and pitching axis of tracking equipment in order to stabilize los and improve precision
故採用坐標變換技術,在跟蹤設備的方位和俯仰軸上對船搖姿態角進行實時補償,達到視軸穩定、提高精度的目的。Everyone can learn to accept the social equality of man and woman. spiritual awareness a religious faith can play an important role in strengthening marriage
每個人都能學會接受男女在社會地位上的平等,並意識到宗教信仰在增強婚姻關系方面扮演著重要角色。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。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。Based on the balloon s elevation, azimuth and rate of ascent, winds at different heights above ground were calculated
從氣球的仰角及方位,和氣球升空的速度,可計算出不同高度的風向和風速。分享友人