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The following conclusions are drawn. 1 The orbit parameters that have relatively greater influence on the number and latitudinal distribution of annual occultation events are orbit inclination, orbit height, Right Ascension of Ascending Node and Argument of Perigee in turn. All four parameters have little impact on the longitudinal distribution of annual occultation events. 2 The orbit inclination of Transmitting Satellite and Receiving Satellite impacts both LEO－LEO occultation events number and their latitudinal distribution most. The number of occultation events reaches the maximum as the sum of the two inclination angles nears 180 degrees. The one that far away from 90 degrees of the two inclination angles determines the latitude range of the occultation events. 3 LEO－LEO occultation events number reaches a maximum when the heights of TS and RS are the same, and it reaches the maximum when the heights of TS and RS are 600 km . 4 The RAAN of TS and RS has a great influence on the LEO－LEO occultation number, but has little influence on occultation distribution.

结果指出：1对一年掩星事件数量及其纬度分布影响大的轨道参数依次是轨道倾角、轨道高度、升交点赤经和近地点角距；而这些参数对一年掩星事件的经度分布影响都不大；2发射卫星和接收卫星倾角之间的相互关系对掩星事件数量和纬度分布影响最大，两卫星倾角接近互补时掩星事件最多，两颗LEO卫星中与90°相差较大的倾角决定了LEO－LEO掩星事件的纬度分布范围；3发射卫星和接收卫星处于同一轨道高度时，LEO－LEO掩星事件数取得极大值，发射卫星和接收卫星都采用600 km的轨道高度，一年LEO－LEO掩星事件数最多；4 发射卫星和接收卫星升交点赤经的相互关系对LEO－LEO掩星事件数量影响很大，发射卫星和接收卫星升交点赤经之差为120°或240°时掩星事件数量最多，RAAN对掩星事件纬度和经度分布影响不大；5近地点角距对掩星事件数量和分布影响都不大。

CNet also compares between different modals of portable XM satellite radio and even with other satellite radio providers.

苹果还比较不同的情态动词的便携式XM卫星广播，甚至与其他卫星广播供应商。

A pass of a basketball or an ice hockey puck that enables a teammate to score a goal.28174. A pass of a satellite occurs whenever it rises above the observer's horizon; a visible passoccurs when all three of the above conditions are satisfied, so the sunlit satellite is seen against a dark sky - this will generally occur either shortly after sunset, or shortly before sunrise.

不论卫星何时从观测者地平线之上穿过，都会形成卫星路径；但是卫星经过的&可见路径&只有在满足上面所有三个条件的时候才可以形成，有此看来，只有被日光照射的人造卫星必须与暗背景对比才能被观测到-这经常要在太阳刚刚落山或者太阳将要升起之前。

Partial eclipse in the whole process, the Hebei Bureau of Surveying and Mapping of the territory in the province's 32 "multi-service satellite positioning system," a permanent satellite tracking station of the continuous monitoring.

在整个日偏食过程中，河北省测绘局对分布在全省境内的32个&卫星定位综合服务系统&永久性卫星跟踪站进行了连续监测。

When the precise orbit determination of satellite is performed, the data of laser ranging to satellite obtained at single tracking station can be used for estimating the station location.

当卫星精密定轨后，对单个测站所获得的卫星激光测距资料进行处理，可测定测站的地心坐标。

Transmissions at 0.75 and 1.65 μm can also be used to retrieve τ and re. 2. Study the impact of cloud inhomogeneity on the satellite retrieval simultaneously. Two 3D cloud fields, cumulus and stratocumulus fields are used in our study. The two cloud fields are generated with LES model and are adopted by the I3RC phase II. The BRDF at the wavelengths of 0.65 and 2.13 μm are calculated with SHDOM, and then the cloud optical thickness and effective particle radius are simultaneously retrieved using the MODIS algorithm. We studied the impact of cloud inhomogeneity on the satellite retrieval at high and medium resolutions. Some conclusions have been made, such as the BRDF abnormal phenomenon, the reverse relationship between τ and re, the clustering effect of over and under estimation in the retrieval of τ and re .

我们选用为I3RC所采用的由LES模式给出的具有明确物理属性的两个高分辨率三维云场－积云场与层积云场，利用SHDOM三维辐射传输模式来模拟卫星观测的辐射值，并采用MODIS算法进行反演，同时研究了在高分辨云场及中低分辨率云场下，云的非均匀性对反演云光学厚度及有效粒子半径的影响，并得到了云的非均匀性会造成的双向反射率异常，反演结果中光学厚度与有效粒子半径的负相关关系，高估或低估现象是成&簇&出现的等结论。

Satellite application technology has been closely connected with geoscientific research for a long time. It develops from the initial remote-sensing application to the spatial information technologies containing RS, GIS, GPS and so on. Satellite application technology has promoted the researches of geoscientific theory, the quantitative and qualitative analysis, and has accelerated the development of geosciences.

卫星应用技术与地学研究很早就存在密切的联系，从最初单一的遥感应用发展到包含遥感、地理信息技术、全球定位系统等多种技术在内的空间信息技术，卫星应用技术促进了地学理论研究和定性、定量的分析验证，加速了地球科学的发展。

A GPS Doppler model was constructed by using geometric scalar analytic approach, considering the fact that observer is not necessarily on the ground trace of the satellite. In addition to the modeling and computation of orbital angular velocity, visible window of satellite, and the maximum elevation earth-centered angle, Doppler's characterization with regard to the observing time was deduced and analyzed.

采用几何标量分析方法，建立了地心地固坐标系中GPS信号多普勒频移分析模型，计算了卫星可见地心角、卫星轨道角速度和卫星可见区间，推导并分析了多普勒频移关于接收机最大可见仰角、卫星轨道角速度和卫星可见时刻开始所经历的时间等参数的变化规律。

If you want to be able to distribute a new skin without recompiling your application or redistributing the entire application, then use the dynamic loading of satellite assembly method and just distribute a new satellite assembly to your customers.

如果你希望能够分发而不需要重新编译您的应用程序或整个应用程序重新分配一个新的皮肤，然后使用卫星装配方法动态加载和公正的分配一个新的卫星组装你的客户。

The simulation results illustrate that this model can effectively deal with the problem of dete ction capability evaluation of satellite. The result is an important guidance fo r satellite equipment efficiency evaluating and development reasoning in the fut ure.

仿真结果表明，该指标体系能够解决卫星探测海洋目标的综合效能评估问题，并且该研究成果对航天装备效能评估和装备体系发展规划论证具有一定的指导意义。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。