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- communication satellite orbit 通信卫星轨道
- Astronauts will make a final attempt today to rescue a communication satellite from its useless orbit. 宇航员今天将做最后一次尝试,以挽救一个在无用的轨道上运行的通讯卫星。
- The rocket stage was marooned in Earth orbit after a failed communication satellite launch almost a year ago on February 28, 2006. 这截火箭自2006年2月28日的通讯卫星发射失败后,就困在地球轨道上。这次爆炸的大部份碎片皆能被追踪。
- After a communication satellite reaches its geosynchronous orbit position,it is desirable to get the in-orbit data of satellite communication payload-transponder. 当卫星发射定点后,必须对在轨卫星通信有效载荷(即转发器)的性能进行测试。
- China re-entered space yesterday evening, sending a communication satellite into orbit atop a Long March 3B rocket from a launch pad in Xichang in Southwest China's Sichuan Province. 北京时间4月12日20时0分,我国在西昌卫星发射中心用“长征三号乙”捆绑式运载火箭,成功地将“亚太六号”通信卫星送入太空。
- The space shuttle orbited a communications satellite. 太空梭将一颗通讯卫星送入轨道。
- When was the first man - made satellite orbited ? 第一颗人造卫星是何时射入轨道的?
- When was the first man-made satellite orbited? 第一颗人造卫星是何时射入轨道的?
- In recent years a number of communications satellites have been put into orbit. 近些年来,很多通讯卫星被送上轨道。
- The simulation of satellite orbit magnetic field produced by two pairs of Helmholtz coils is studied. 报道利用两对赫姆霍兹线圈模拟卫星的磁环境的研究。
- The first geostationary communications satellite, known as Early Bird, went into orbit in 1965. 人们所知道的第一个地球同步通信卫星“晨鸟”是1965年发射的。
- The world's first commercial communication satellite operated by COMSAT. 该卫星由COMSAT(通信卫星公司)经营,其容量和240路电话相等。
- Closer to home, the arrar, helps confirm satellite orbit locations for the Global Positioning System, or GPS and aids in earthquake research. 由于该阵列精确,因此,可帮助确定全球定位系统(gps)的卫星轨道位置,帮助研究地震。
- A trademark used for a communications satellite. 通信卫星公司一个用于通讯卫星的注册商标
- With the simultaneously generated precision series, the response of ionospheric phase delay to the LEO satellite orbit biases is assessed and analyzed. 以同步生成的模拟精度序列为参照,就掩星观测中电离层延迟对LEO卫星轨道误差的响应程度进行了估计和分析。
- Communication satellites are an example. 通信卫星是一个例子。
- The impact of satellite orbit parameters on the number and distribution of occultation events are discussed based on simulation. 而这些参数对一年掩星事件的经度分布影响都不大;
- The footprint of a microcomputer; the footprint of a communications satellite. 微型电子计算机的覆盖区; 通信卫星的覆盖区
- A set of recursive formula of the function of inclination of the satellite orbit isbased Yanghui's formula of the binomial coefficients introduced. 本文应用杨辉二项式系数公式导出人造卫星轨道倾角函数的一组集约化的递推公式。
- The purpose of DGPS is to reduce the effect of GPS satellite orbit errors, clock errors, and the atmospheric delays from ionosphere and troposphere. 其目的在减低GPS卫星轨道及时间误差,及大气层中电离层和对流层延迟效应之影响。