| 1. | This control method effectively solves the problems of the antenna tracking - pointing control 该控制方法有效地解决了天线跟踪指向控制问题。 |
| 2. | Xxx antenna tracking system is a low speed , high tracking precision servo system , whose key is how to realize high precision motive tracking Xxx天线程序跟踪伺服系统是低速、高精度的运动控制系统,系统的重点在于如何实现较高的动态跟踪精度。 |
| 3. | Methods of measurement for radio equipment used in satellite earth stations - part 3 : methods of measurement for combinations of sub - systems - section five - antenna tracking and control 卫星通信地球站无线电设备测量方法第3部分:分系统组合测量第5节:无线跟踪和控制 |
| 4. | Instead of wastefully broadcasting personal communications ? such as cell - phone calls ? in all directions , these innovative antennas track the positions of mobile users and deliver radio signals directly to them 这种新型天线会追踪行动用户的位置,把无线电讯号直接发射给他们,而不会浪费地朝著四面八方播送个人通讯(比如行动电话) 。 |
| 5. | The tracking and servo - actuated system which is as an indispensability part of measuring and controlling system is using at the facets of remote data transmitting , antenna tracking , controlling orientation , and state stiring etc , at large 跟踪与伺服控制系统作为整个测控系统中不可缺少的一部分,普遍用于远程数据传输、天线跟踪、方位控制及状态监测等。 |
| 6. | The antenna pointing control is open loop control without feedback . the antenna pointing errors due to antenna tracking motion and satellite attitude adjusting ( trusting ) were analyzed , as well as the influence of damping , tacking velocity and trusting time 文章分析了天线作跟踪运动和星体作姿态调整时,对星体姿态控制精度和天线的指向精度影响,同时分析了阻尼、跟踪速度、喷气脉冲宽度等因素变化对动力耦合程度的影响。 |
| 7. | 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 摘要为同时解决用户卫星天线控制系统的鲁棒性、解耦控制和高跟踪速率下的高精度跟踪控制等问题,采用非线性自抗扰控制方法,提出了一种新型的用户卫星天线跟踪指向控制系统。 |
| 8. | In this thesis , the author presents a new method for developing microcontroller software : doing system analysis and design using the object - oriented method , and designing the software structure using the message - driven mechanism . taking a satellite antenna tracking and servo system ( satss ) for example , the thesis gives step - by - step approach of the new software developing method 在系统控制软件设计中,提出了将面向对象的方法和消息驱动机制应用于单片机系统软件的设计与开发当中的思想,并将其应用于卫星天线跟踪伺服系统的研制工作中,结合工程实践给出了具体的系统分析设计方法与步骤。 |