| 1. | The affect of error of antenna pointing in formation satellite insar system to direction picture
系统中天线指向误差对天线方向图的影响 |
| 2. | Before the polarization angle adjustment , the antenna pointing may need to be adjusted in advance
极化角调整前可能需要调整天线的对星指向。 |
| 3. | 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。 |
| 4. | That the antenna points at the aerocraft very precisely can utilize the gain of antenna , minishing the power of transmitter , and propagating data very gualitily effectly
在无线测控系统中,天线精确指向飞行目标,可最佳利用天线增益,减小发射功率,高质量的进行控制和数据传输。 |
| 5. | 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。 |
| 6. | 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 .用户星复合控制系统的特点是在保证卫星平台高精度姿态稳定控制的前提下,实现星间链路天线的高精度指向控制。 |
| 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. | Abstract : taking advantage of charge simulation method and potential coefficientmethod for ellipsoids , point effects of electric field near the surfaceof a satellite are calculated nummerically . antenna point effects on a high voltage spherical satellite arecalculated as an example
文摘:本文使用模拟电荷法和扁椭球体的电势系数法较好地解决了尖端效应的数值计算问题,并用这一方法,计算了卫星表面尖端的效应 |
| 10. | 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。 |
