静止卫星

Geostationary orbit is a circular one, with its revolution period of 24 hours.

静止卫星工作在位于赤道平面的圆轨道上，卫星的运行周期为24小时。

Positive support will be given to the development of commercial broadcasting and telecommunications satellites such as geo-stationary telecom satellites and TV direct broadcasting satellites with long operating life, high reliability and large capacity, so as to form China's satellite telecom industry

积极支持商用广播通信卫星的发展，开发长寿命、高可靠的大容量地球静止轨道通信卫星和电视直播卫星，初步建成中国卫星通信产业。

Positive support will be given to the development of commercial broadcasting and telecommunications satellites such as geo-stationary telecom satellites and TV live broadcasting satellites with long operating life, high reliability and large capacity, so as to form China's satellite telecom industry.

积极支持商用广播通信卫星的发展，开发长寿命、高可靠的大容量地球静止轨道通信卫星和电视直播卫星，初步建成中国卫星通信产业。

China July 19, 1964, the successful launch of a biological rocket. October 27, 1966, the success of the missile test-firing of nuclear weapons. April 24, 1970 at the Jiuquan Satellite Launch of China's first man-made earth satellite "Dongfanghong No. 1." November 26, 1975, launched a retrievable satellite.1980 long-range carrier rocket successfully launched. 2 years later, the submarine underwater rocket launch a success.April 8, 1984, China's first geostationary communication satellite successfully launched the pilot. 1 February, 1986, China launched a communications and broadcasting satellites practical.September 7, 1988, China launched a meteorological satellite test "on the 1st situation." November 20, 1999, in the Jiuquan Satellite Launch Center rocket successfully launched the first "Shenzhou" spacecraft.At 9 o'clock on October 15, 2003, China launched its first manned spacecraft "Shenzhou 5" spacecraftin space flight of 21 hours, orbiting the Earth after 14 weeks, on the 16th early morning 6:23 in the safe return of ground .

中国航空中国1964年7月19日，成功发射了一枚生物火箭。1966年10月27日，导弹核武器发射试验成功。1970年4月24日在酒泉发射了我国第一颗人造地球卫星"东方红1号"。1975年11月26日，发射了一颗返回式人造卫星。1980年远程运载火箭发射成功。2年以后，潜艇水下发射运载火箭获得成功。1984年4月8日，我国第一颗地球静止轨道试验通信卫星发射成功。1986年2月1日，我国发射了一颗实用通信广播卫星。1988年9月7日，中国发射了一颗试验气象卫星"风云1号"。1999年11月20日，在酒泉卫星发射中心用运载火箭成功发射了第一艘"神舟号"试验飞船。2003年10月15日9：00，中国发射了第一艘载人飞船"神舟5号"，飞船在太空中飞行了21小时，绕地球运行14周后，于16日清晨6：23安全返回地面。

Using inclination vector as a non-singular orbital element, engineering oriented mathematical models for inclination control of geosta- tionary orbit are established,and unified optimal strategies for inclination control both in north-south station aquisition and north-south station keeping derived.

本文以倾角矢量作为无奇点轨道要素，建立静止卫星轨道倾角控制的工程实用数学模型，进而导出南北定点捕获和南北位置保持两种情况下统一的倾角控制燃料最优策略。

Since the proposed method here only uses red and NIR band to determine shadow, it is also adequate for use with AVHRR, SPOT VEGETATION and geostationary data, which are difficult to identify cloud shadow for a single scene data.

由于这里所提出的方法只用红色和近红外波段，以确定的阴影，这也是适当的，用于遥感，植被和对地静止卫星的数据，这是难以确定云影单现场数据。

Considering the limits of RDSS in active positioning mode,such as poor security,limited capacity,and inability to continuously provide position,velocity and attitude outputs,a technique of tightly coupled RDSS /SINS integrated navigation system is proposed for land vehicles by utilizing the time differenced carrier phase of 3 geostatic satellites.

针对北斗系统有源定位方式保密性差、用户数目有限，不能提供连续的位置、速度、姿态信息的问题，提出利用北斗系统3颗地球静止卫星的载波相位时间差分信息，与车载捷联惯导构成紧组合导航系统，通过扩展卡尔曼滤波器估计并修正惯导系统的速度误差；引入载体的侧向和天向速度约束，改善了速度估计精度；结合北斗系统的伪距信息，消除了长航时条件下位置误差的积累；推导了滤波器观测方程，对组合导航滤波器进行了设计；通过车载实验进行了验证，实验结果表明，速度误差和位置误差的积累受到了有效地抑制，精度满足陆地战车导航的要求。

Since geostationary satellite s orbit inclination is equal to zero approximately,it will result in the ambiguity of satellite s orbit ascending node and the singularity of the normal matrix in the process of fitting.

针对静止轨道卫星轨道倾角近似为0，致使卫星轨道的升交点定义模糊，在数据拟合过程中会导致法矩阵奇异的问题，提出对卫星轨道进行轨道倾角变换拟合广播星历参数的方法，并获得较高的拟合精度。

The satellite TBB and the hourly data of automatic observation system were analyzed to obtain some methods to pred...

通过分析静止卫星TBB资料以及使用逐时的地面自动站资料与最近一次的探空资料进行计算和分析，得到监测和预报此次天气减弱和结束的方法。

Software of Geostationary Satellite Image Processing on Windows can implement the research with great efficiency and speed.

静止卫星云图是科研业务工作的重要观测数据。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。