satellite pointing system 中文意思是什麼

satellite pointing system 解釋
衛星指向系統
  • satellite : n 1 【天文學】衛星；人造衛星；〈比喻〉衛星國。2 隨從，幫閑者，食客。3 【生物學】隨體（指染色體）...
  • pointing : n. 1. 弄尖。2. 指示；瞄準。3. 標點法；標點。4. （磚縫的）嵌填，勾縫。5. 【醫學】膿頭，穿頭。
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  2. The affect of error of antenna pointing in formation satellite insar system to direction picture

    系統中天線指向誤差對天線方向圖的影響
  3. To simultaneously solve the problems of the robustness, decoupling control and high accuracy tracking control at the high tracking rate in antenna control system, a new nonlinear antenna tracking - pointing control system for user - satellite was proposed based on a unique nonlinear active disturbance rejection control method

    摘要為同時解決用戶衛星天線控制系統的魯棒性、解耦控制和高跟蹤速率下的高精度跟蹤控制等問題，採用非線性自抗擾控制方法，提出了一種新型的用戶衛星天線跟蹤指向控制系統。
  4. Based on chinese tracking and data relay satellite ( ctdrs ) in the future, the antenna pointing control and complex control theory of user satellite are studied deeply in this dissertation, which is funded by the improve item of dept. of astronautic engineering and mechanics ? “ the teaching demonstration of antenna pointing control system in tdrss ”. the main contents of this dissertation are consisted of the following parts : firstly, dynamics equation is derived using lagrange equation for user satellite, so as the kinetics equations of user satellite at the same time are expressed in the form with matrix differential equations that is suitable for attitude control system design and analysis

    本學位論文結合航空宇航科學與技術學科研究生教學基地實驗室建設項目「中繼系統星間鏈路天線指向控制系統教學與演示實驗」 ，以我國跟蹤與數據中繼衛星系統為背景，對某型號用戶星星間鏈路天線指向跟蹤控制和復合控制理論進行深入的研究，研究內容主要包括以下幾個方面: 1 .利用lagrange方程建立了用戶星的動力學方程，同時推導了運動學方程，並將這組動力學方程以矩陣微分方程形式表示，使之適用於姿態控制系統的設計和分析。
  5. The designing of an early - warning system of missile has difficulties because it needs smaller mass, great rigidity, high strength as load on the satellite. it also needs real - time tracing and a pointing and tracking system with stationarity, rapid rotation and high precision

    設計導彈預警系統難點在於:作為星上載荷，要求質量小，剛度、強度大，要實現實時跟蹤目標，要求指向跟蹤系統轉動平穩、快速，精度高。
  6. This paper studies a data experiment and identification problem of an actual system, in which the steering gear and the satellite - satellite pointing / tracking system act as the study object, based on system identification technique. the main factors that influence identification results and problems that should be paid attention to are analyzed. base on the analysis, auto - regressive moving average with exogenous input model ( armax ) for steering gear and a three - layer predictive control neural network model are established

    從理論的角度研究了對於一個實際系統的數據實驗設計和模型辨識問題，分析了影響系統辨識結果的主要因素以及在辨識過程中應注意的問題，並以此為依據，建立了舵機的滑動平均模型和星星天線指向控制系統的三層預測控制神經網路模型。
  7. Secondly, the performance of the acousto - optic steering system is deteriorated as a result of the coupling because of nonlinear of quadrant detector and the pointing error introduced by satellite platform vibration. for this problem, this paper introduces the model reference adaptive control system, and presents the perfect model. the model reference adaptive controller is designed to force the output of the acousto - optic steering system following the output of the perfect model to improve the system performance

    其次，針對聲光偏轉系統由於器件的非線性造成的耦合和平臺振動造成的指向誤差導致系統性能惡化問題，引入了模型參考自適應控制系統，提出了理想的模型，設計了模型參考自適應控制器，強迫性能惡化的聲光偏轉系統的輸出跟隨理想模型的輸出，使其性能改善，利用超穩定性理論確定自適應參數以保證系統的穩定性。
  8. Aiming at satellite - satellite pointing / tracking system, an experiment based on xpc real - time simulation platform is designed

    針對星星天線指向控制系統，設計了以xpc為實時模擬平臺的數據實驗。
  9. Next, the characteristics of the user satellites complex control system is that the high accuracy antenna pointing control is realized on the basis of ensuring the high accuracy attitude stabilization control of the satellite body

    3 .用戶星復合控制系統的特點是在保證衛星平臺高精度姿態穩定控制的前提下，實現星間鏈路天線的高精度指向控制。
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