| 1. | It is an important support of smart antenna directional transmitting and receiving technology
它是智能天线指向性发射与接收的重要的技术基础。 |
| 2. | The simulation and validation are conducted for the antenna pointing control system designed before
最后对设计的天线指向控制系统进行了仿真验证。 |
| 3. | Influence on performance of interference localization using satellite multiple - beam antenna with pointing error
卫星多波束天线指向误差对干扰源定位性能的影响 |
| 4. | Aiming at satellite - satellite pointing / tracking system , an experiment based on xpc real - time simulation platform is designed
针对星星天线指向控制系统,设计了以xpc为实时仿真平台的数据实验。 |
| 5. | The satellite attitude control system is modeled into a close control loop with three momentum wheels on each axis
星体姿态控制系统采用三轴稳定动量轮闭环控制模型，天线指向控制系统采用开环控制。 |
| 6. | In order to make the airborne radar instruction control antenna pointing correctly overcome the influence caused by maneuvering of carrier aircraft , and airspace stabilization algorithm is adopted in the airborne radar control circuit
摘要为使机载雷达指令克服载机机动而正确控制天线指向，在机载雷达控制回路中加入了空域稳定计算。 |
| 7. | Then , the tracking laws for the user satellites antenna pointing to the tdrs which is fit to the engineering application are derived , and the basic concepts of the user satellites antenna pointing control project are described in detail
2 .推导出了适合于工程应用的星间链路天线跟踪中继卫星的跟踪规律,详细的论述了星间链路天线指向控制策略。 |
| 8. | In airborne synthetic aperture radar ( sar ) , antenna stabilization platform is used to isolate antenna pointing , which is stabilized through controlling the platform axis ' rotation , from the vehicle ' s varying attitude and dynamical vibration
摘要机载合成孔径雷达中，天线稳定平台用于隔离载机的姿态变化和机械振动对天线指向的影响，并通过伺服系统控制平台支承轴的转动稳定波束指向。 |
| 9. | Motion errors are given first , and then theoretical analysis , simulation result show affections caused by 3 kinds of typical motion errors both on the doppler and the image . last the phase error criterions are given . 4
4 .研究了机载双站sar中偏航、俯仰和横滚三种姿态误差对回波多普勒频率和雷达成像的影响,并分析研究了天线指向误差对回波幅度的影响,最后通过仿真实验证明了研究的正确性。 |
| 10. | The antenna pointing control accuracy can satisfy the design specification and it is validated to be appropriate and effective . at last , the designed user satellites complex control system is simulated based on xpc target which is used for hardware - in - the - loop simulation
4 .基于xpc实时仿真平台,充分利用实验室条件,搭建了用户星天线样机在回路中的半物理仿真实验,将天线指向控制系统和星体姿态稳定控制系统联合起来,组成中继卫星复合控制系统进行近一步的验证。 |
