上星

SGI系统上星载SAR并行成像算法

Parallel Processing Algorithm for Spaceborne SAR on SGI System

SZ-4雷达高度计作为我国第一个上星工作的雷达高度计于2002年12月30日发射入轨，按预定工作模式，获得了大量的跟踪数据。

SZ-4 radar altimeter , which is the first China 's spaceborne radar altimeter launched on Dec. 30th 2002 , had obtained plenty of scientific data in terms of the pre-designed operational modes .

这些问题使我国已经上星的电视频道面临尴尬的境地。

Those problems make our national satellite channels face an awkward dilemma .

本文提取了被客户打上星数的属性特征的子特征并进行了展示。

This paper extracts child features of features which contain stars and show what we find .

各电视上星综合频道要开办一个弘扬中华民族传统美德和社会主义核心价值体系的栏目。

Every channel has also been ordered to create a program that promotes traditional virtues and socialist core values .

在14年间，全国31个省、区、市电视台实现了上星。

In 14 years , 31 provinces , regions , and municipalities have realized the application of satellite TV .

据新华社报道，国家广播电影电视总局周二发布电视上星频道娱乐节目限制令。

China 's television watchdog has capped the amount of entertainment programs that satellite channels can broadcast , Xinhua reported .

随着电视频道和上星台的日益增多，我国的电视频道竞争不断白热化。

With the increasing of the television channels and the star TVs , the competition in our country channels is sharper and sharper .

每个电视上星综合频道每天19时30分至22时播出的娱乐类节目时长不超过90分钟。

A channel can broadcast a maximum of90 minutes of content defined as entertainment every day during the prime time hours of7:30 pm to10 pm .

作为省级电视台地面频道，不仅面临着上星频道、市级频道的双重夹击，还面临着新媒体的冲击。

As the TV at the provincial level , is not only facing with the satellite channel , the municipal channel , but also facing the impact of new media .

根据规定，上星综合频道每年在19:30-22:30的黄金时段播出的引进真人秀或引进境外版权模式真人秀不得超过两档。

Under the regulation , a satellite channel can air no more than two imported or foreign-adapted TV reality series during prime time between 7:30 pm and 10:30 pm annually .

国外的研究与实践表明，并行处理是提高星载中心计算机处理能力的主要技术途径，也是国际上星载计算机技术发展的主流方向。

It is indicated by international research and experience that parallel processing is the primary approach to enhancing the processing ability of satellite computer and the main trend of satellite computer technology .

为给上星海洋雷达高度计提供技术先导，研制了机载海洋雷达高度计，其核心工作部分是自适应控制系统。

In order to provide a technique guide for the to satellite ocean radar altimeter , the ocean radar altimeter on board is developed , with the adaptive on control system as its core mechanism .

建议在传播过程中，切实考虑传播的地域性和传播的范围问题，充分利用上星媒体和全国性媒体进行传播。

And it also recommends the companies , in the process of communication , to seriously consider the regionality and scope of communication , and make full use of star media and national media to communicate .

目前我国共有3000多个电视频道，48套上星节目，但千台一面、专业频道不专业的现象普遍存在。

Now , there are more than 3000 TV channels , 48 satellite programs in our country , but it widely exist that many programs are in the same pattern , " specialized channels are not specialized " .

以湖北卫视上星微波数字化改造项目这一实际案例，着重介绍了模拟和数字微波信号共用天馈系统进行混合传输及需要注意的几个问题。

Taking the practical case of satellite microwave digitalization of Hubei TV Station as an example , this article presents the mixed transmission by analog and digital microwave signals sharing antenna-feeder system , and also some problems to notice .

自1997年各省级卫视大规模实现上星以后，省级卫星频道面对复杂的竞争环境都试图通过频道定位策略做强做大。

Since the year of 1997 , a large scale of provincial satellite TV channels enrolled in the market , provincial satellite channels facing a complex competitive environment are trying to become bigger and stronger through the channel positioning strategy .

全国省级卫视频道全部上星，国际传媒巨头纷纷进入中国市场，再加上报纸、广播、杂志、互联网的冲击，电视媒体面临着严峻的挑战。

All provinces 's channels have taken satellite into use , and international media magnates are entering Chinese market one after another . Considering the impact of the newspaper , broadcast , magazine and internet , the television media is facing severe challenge .

论文首先对当前国际上几种星载SAR天线方向图在轨测试方法，包括反射器测量方法，均匀分布目标测量方法，地面接收机测量方法，地面发射机测量方法和外部特性因子测量方法，进行了分析研究。

Above all , some methods of inflight antenna pattern measurements for spaceborne SAR are discussed in this paper .

利用低地球轨道LEO（lowearthorbit）卫星上的星载接收机对GPS卫星进行掩星观测反演地球的大气性质，对于气象学和大气研究具有重要意义。

GPS occultation events will be observed with receivers installed on Low Earth Orbit ( LEO ) satellites , from which the Earth 's atmospheric properties can be inversed .

美国国旗上的星是各州的象徵。

The stars in the American flag represent the states .

简介了国际上脉冲星计时研究的成果。

Recent research results for pulsar timing around the world are introduced .

你懂患上句星她多大了吗？

Do you know how old she is ?

记得上个星某个时候见过他。

I remember seeing him sometime last week .

另外，介绍和评述了国际上脉冲星计时阵的现状及发展。

Millisecond pulsar timing array ( PTA ) has been developed and operated over the world .

下面是戛纳电影节开幕式上众星亮相红毯的图片。

Here are some photos from the red carpet and the premiere of the opening night at the Cannes Film Festival .

容错技术是在体系结构上提高星载计算机可靠性的主要技术，本文对星载并行计算机的容错设计与实现作了介绍。

Fault-tolerance is the main technique of enhancing the reliability of satellite-carried computer . This paper studied the fault-tolerant design and realization of satellite-carried computer .

星载计算机是航天器上执行星务管理、状态控制、数据处理等功能的中枢。

The On-Board Computer ( OBC ) is the central unit of the satellite performing service management , state control , data processing , and other functions .

同时，也论述了星光跟踪器装在惯性平台上和星跟踪器捷联装在导航装置底板上的优缺点，以及采用双星跟踪器与惯性平台并用的必要性。

The paper also shows what the advantages and disadvantages are when the star tracker is mounted on the inertial platform or on the navigation unit base plate of the strap & down system .

小卫星上的星载计算机系统的研究是向着高性能、低功耗、重量轻、体积小并具有信息处理自主性以及有容错功能的高可靠的计算机体系结构发展。

The study direction of on-board computer system is high performance , low power , light weight , small volume , information processing autonomous operation , high reliability , resistance radiation , fault tolerance on-board computer .