The stability of artificial lunar satellites and relevant synchronous satellite are also discussed.
还讨论了人造月球卫星以及相应的同步卫星的运动稳定性。
This paper deals with the characteristic, the USES and the calculation of orbits of earth synchronous satellite.
本文阐述了地球同步卫星的特征、用途及其轨道计算。
A regional satellite navigation system which is made up of geosynchronous satellites and synchronous satellites with elliptical orbit is proposed.
提出了一种用静止卫星和同步椭圆轨道卫星构造的区域卫星定位系统。
According to the Earth synchronous satellite positioning principle, multi-results and non-results are analyzed when the station height is given using DEM.
基于地球同步卫星定位原理，分析了当利用数字化地形图提供测站高程时测站的多解和无解现象。
The satellite surface charging is a new problem that harm the performance of the synchronous satellites, it was discovered in the beginning of the seventy years.
卫星表面充电是七十年代初发现的危害同步轨道卫星工作性能的新问题。
It is proved that this system automatically steers the direction of a receiver antenna and locks a synchronous satellite in order to acquire best communication signal.
经实践验证，该系统实现了自动控制接收天线转向并锁定某一个同步通信卫星，以获得最佳的通信信号。
This paper describes the test technology about distortions and the measurement results of antenna reflector of synchronous satellite under nonuniform temperature field in vacuum.
本文介绍了同步卫星天线反射器在真空非均匀温度场的变形试验技术及其测量结果。
Every year, several days before and after the spring Equinox and the Autumnal Equinox, the Synchronous satellite signals received by the earth stations are affected by the solar radiation.
每年春分和秋分前后几天中，接收同步卫星信号的地面站都会受到太阳辐射的干扰。
As the one of the earth station 's key functions, searching and tracking the satellite involves the realtime synchronous data exchange, it is a high technology.
作为地面站的一个核心功能之一—捕获并跟踪目标，涉及一个技术难点，这就是实时同步数据交换问题。
Interference to CSRH and forecast from synchronous orbit satellite, and interference due to low and middle orbit satellite are analysed.
计算了同步卫星干扰及干扰时间预测，也分析了中低轨道卫星干扰问题。
It USES a high precision digital phase-locked loop (PLL) to accurately recover the Synchronous reference information of raw cloud-cover image data collected by the geostationary satellite.
它用高精度数字锁相环，精确地恢复地球同步气象卫星采集的原始云图数据的同步基准信息。
Two kinds of vehicle synchronous orbiting satellite mobile communication systems are introduced.
介绍国内两种车载同步轨道卫星移动通信系统。
This article introduces the theory of FM radio synchronous broadcasting system with satellite transporting as well as it's system construction and the problems needed to be noticed.
介绍了采用卫星传输节目的调频同步广播系统的工作原理、系统构成及实施时要注意的问题。
This article introduces the theory of FM radio synchronous broadcasting system with satellite transporting as well as it 's system construction and the problems needed to be noticed.
介绍了采用卫星传输节目的调频同步广播系统的工作原理、统构成及实施时要注意的问题。
Computer simulations are done based on certain earth synchronous communications satellite, and an improved extended Kalman filtering algorithm is adopted in course of filtering.
在滤波计算过程中，采用了改进的广义卡尔曼滤波算法，以某地球同步轨道通信卫星为背景，进行了计算机仿真研究。
The 600-plus-kilogram satellite will circle the Earth once every 90 minutes after it enters a sun-synchronous orbit at an altitude of 500 kilometers.
墨子号质量在600千克以上，进入距地面高度500公里的太阳同步轨道后，每90分钟环绕地球一圈。
In order to achieve the communication between the ship board antenna and the synchronous communication satellite, a method by the digital guiding closed loop and level open loop tracker is presented.
为了实现船载天线与同步通讯卫星的通讯，根据坐标变换原理和实际使用要求，提出了数引闭环、电平开环的跟踪方法。
A kind of GPS satellite synchronous clock based on the DS80C320 High-speed SCM is recommended in the following thesis, to solve problem mentioned above.
针对这种情况，本文设计了一种基于DS80C 320高速单片机的GPS卫星同步时钟。
This paper presented one strategy to realize quasi-synchronous in satellite environment, and discussed its feasibility.
然后针对卫星移动环境提出了一种准同步实现策略，并对其可行性进行了论证。
Study of seizure-preventing reliability of synchronous gears in the deployment mechanism of a large satellite antenna based on the non-probabilistic model;
针对星载天线展开机构系统设计初期可靠性数据缺乏的情况，提出了系统可靠性分配的未确知方法。
Study of seizure-preventing reliability of synchronous gears in the deployment mechanism of a large satellite antenna based on the non-probabilistic model;
针对星载天线展开机构系统设计初期可靠性数据缺乏的情况，提出了系统可靠性分配的未确知方法。
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