constellation的例句大全

The scene, captured one night last month, also shows a beautiful starscape far in the background, including the Big Dipper, part of the constellation of the Great Bear ( Ursa Major).

该图拍摄于上月的某个夜晚，远远的背景中还有美丽的星空，其中就包括大熊座中的北斗七星。

An Insufficiently Guaranteed Handover Scheme Used in Multi-service LEO Constellation Communication System Operating Agreement relating to the International Telecommunications Satellite Organizatio

低轨星座卫星通信系统中多业务条件下的非充分保证切换策略国际通信卫星组织业务协定

Accurate clock synchronization between satellite and ground tracking, telemetry and control ( TT& C) station is of great significant for space missions such as the formation and networking of satellites, since it is the major means to synchronize satellites in a constellation.

卫星与地面跟踪测控站之间的高精度时间同步对卫星的编队组网运行等任务具有重要意义，是实现卫星之间时间同步的重要手段。

The MEO satellite constellation based system consists of an MEO satellite constellation, inter-satellite links ( ISLs) and terrestrial gateway station, can provide continual data transmission link between our LEO spacecrafts and the ground stations in China.

系统以中轨卫星星座为基础，由卫星星座、星际链路和地面信关站组成，可为我国的低轨航天器与地面站之间提供不间断的数据链路。

But White House officials said that President Obama wants NASA to begin work on building a new heavy lift rocket sooner than envisioned under the cancelled Constellation programme, with a commitment to decide in 2015 on the specific rocket that will take astronauts deeper into space.

白宫官员称，总统奥巴马要求美宇航局加快新型大型运载火箭的研发工作，在星座计划取消的情况下，要在2015年之前，完成新型火箭的研发任务，运载宇航员向宇宙更深处探索。

In the import of wine, in addition to five famous village, CASTEL, the United States of America constellation, German black tower, Chile Sonya and a few brands, not brand for consumers generally familiar, the overall awareness of imported wine is not high.

在进口葡萄酒当中，除了五大名庄、CASTEL，美国星座，德国黑塔，智利桑雅等少数几个品牌外，为消费者普遍熟悉的品牌并不多，国人对进口葡萄酒的总体认知度不高。

Simulation results show that the concatenated system has better performance than unconcatenated differential space time coding under the same spectral efficiency and signal constellation.

仿真结果表明，在相同的频谱有效性和信号星座条件下，这种级连的系统比非级连差分空时编码系统有更好的性能。

Time-dependent constellation design for regional mobile satellite communication systems

区域性中轨道卫星移动通信系统时间决定星座设计

Research on the Channel Assignment Scheme for LEO Constellation Satellite Communication System

低轨星座卫星通信系统的信道分配算法研究

Analysis of Satellite Network Architecture based on GEO/ LEO Constellation

基于GEO/LEO两层星座的卫星组网结构分析

The drawing method of constellation charts ( multi index point charts) is introduced, and the production performance ( Six Characters) of some bred swine breeds of our country is objectly analysed.

本文介绍了多指标点图&星座图的作图方法，并用该图对我国部分培育猪种的生产性能（包括六个性状）进行了直观分析。

A new spaceborne radar system was proposed in the middle of the ninety's, which is the constellation composed by several small satellites ( it was also called as distributed small satellite radar array).

90年代中期人们提出了一种新的天基雷达体制，即利用编队飞行的多颗小卫星构成超稀疏雷达阵列（也称之为星座或分布式小卫星雷达阵列）。

Assuming the equiprobable centro-symmetric constellation for modulation, SFCM was proved to be biased due not only to the noise, but also to the irreducible inter-carrier interference aroused by the Doppler spread.

假设采用等概率中心对称星座调制导频符号，我们证明不仅加性白高斯噪声会给估计带来干扰，由多普勒扩展引起的载波间干扰也会引起偏差。

He analyzed the "constellation" of the sociology of knowledge and clearly defined its nature, range, premise, features and analysis procedures.

他分析了知识社会学的出场位系，对知识社会学的性质、范围、前提、特征以及分析程序等做了较为明晰的界定。

in the scheme, a set of feature parameters are extracted from signal spectrum and constellation based on the differences between digital mixed signals and common digital modulation signals.

该方案利用数字混合信号与常用数字调制信号在信号频谱以及星座点的差异提取特征参数进行自动识别。

According to the space geometry, the coverage of satellite constellation on earth, and the shape of spot beam, by building up mathematic model, a spot beam judgement simulation ( algorithm) is proposed.

根据星座空间几何基础，以及卫星对地面的覆盖情况以及点波束的形状，通过建立数学模型，提出了地面终端确定所在点波束的仿真算法；

Effective Baseline Analyzing for Cartwheel Formation Small Satellites Constellation

基于CARTWHEEL构型的小卫星星座有效基线分析

In the novel algorithm, Signal Constellation Rearrangement is employed to average out LLRs between bits in a mapping symbol, thereby reducing the variations in bit reliabilities.

该算法采用星座重排技术平衡同一映射符号内比特的对数似然比（LLR，Log-Likelihood-Ratio），从而减小比特可靠性的差异。

A constellation of polar-orbiting satellites, equally spaced around a sun-synchronous orbit to provide continuous coverage over any given place, could solve this.

一个由极轨卫星组成的等间距分布在太阳同步轨道上的提供任何地点连续覆盖的星座可能解决这个问题。

Analysis and Control Method for Constellation Rotation in Navigation Satellite Autonomous Orbit Determination

导航卫星自主定轨星座旋转误差分析与控制方法