active satellite system 中文意思是什麼
active satellite system
解釋
主動式通信衛星系統-
An applicable example of one kind of satellite - borne t / r system composed of high power active feed network is presented, and the key technologies in the satellite environment such as amplitued - phase consistency, anti - multipaction, anti - space - esd is also disscused
介紹了一種星載大功率有源饋電網路收發系統的實例，並探討了星載環境的幅相一致性、抗微放電以及抗空間靜電放電等關鍵設計技術。 -
Satellite measurements of the icy surface of antarctica have detected an active system of lakes under ice that is about one kilometer deep
人造衛星的觀測顯示，南極洲的冰層下面有很多活水湖，深達一公里。 -
The aim of this article is to shorten the gesture capture time and to improve control precision. author from both theoretical and applied researches the using of a nonlinear active disturbance rejection control technologies in small satellite gesture capture system
本文以縮短主動磁控小衛星姿態捕獲時間，提高控制精度為目標，從理論和應用兩個方面深入研究了非線性自抗擾控制新技術及其在主動磁控小衛星姿態控制系統中的應用。 -
On the base of active disturbance rejection control, author use active disturbance rejection control in small satellite attitude control system and designs a two - loop active disturbance rejection attitude control system
在深入研究了自抗擾控制理論的基礎上，將自抗擾控制新技術應用於主動磁控小衛星姿態控制系統中。 -
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。 -
The new adrc technique was concluded from the related references in recent years, and the adrc theory was systemically introduced, which included tracking - differentiator ( td ), extended state observer ( eso ), nonlinear pid, nonlinear feedback ( nf ) and active disturbance rejection controller ( adrc ), and etc. the author first designs a pd attitude control system, indicating : using pd attitude control, the time of small satellite gesture capture is long and the precision of control is low
從近幾年有關文獻中總結了自抗擾控制新技術，系統介紹了自抗擾控制理論，其中包括跟蹤微分器（ td ） 、擴張狀態觀測器（ eso ） 、非線性pid 、非線性反饋（ nf ）和自抗擾控制器（ adrc ）等。設計了主動磁控小衛星pd姿態控制系統。指出採用pd姿態控制，微小衛星姿態捕獲時間較長，姿態控制精度較低。 -
In order to study small satellite attitude control system, the author first establishes the small satellite dynamics, kinematic models, and gives the theories of the quarternion, then study in - depth of the principles of the active magnetic control
為研究主動磁控小衛星姿態控制系統，首先建立了主動磁控小衛星動力學、運動學模型，並給出了姿態四元數的相關理論。從地磁場模型出發，深入研究了主動磁控的原理。
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