雷达卫星

研究星载SAR定标处理系统对于建立和发展我国雷达卫星定标数据处理系统具有重要的理论意义和实际应用价值。

Thus , research on spaceborne SAR calibration processing system will be of theoretical significance and of practical worth .

文中介绍了雷达卫星SAR的技术特点及其在今年洪涝灾情快速反应中的作用。

This paper briefs the technology characteristics of Radarsat SAR and its positive role in high speed response on the flood of this year .

通过本文的研究，基于星载SAR图像空间信息提取理论的关键技术和方法已经得到突破，为我国第一颗雷达卫星地面应用系统奠定了良好的理论基础。

By the research in the paper , the main points of the theory of spatial information extraction from SAR image have been broke out , so the good base is made for the terrain application system of our country first radar satellite .

中国新的HJ-1C雷达卫星将使用俄罗斯的雷达天线和中国的卫星汇流线。

The PRC 's new HJ-1C radar satellite will use a Russian radar antenna combined with a Chinese satellite bus .

中国自主研制的环境减灾小卫星星座中的雷达卫星（HJ-1C），频率设计在S波段，采用VV极化方式，入射角范围是25°&47°。

HJ-1C is a component of HJ satellites which are developed in China . HJ-1C SAR has a frequency of S-band , VV polarization , and incidence angle from 25 ° & 47 ° .

合成孔径雷达卫星精密轨道对干涉测量的影响与分析

Research the Interferometry Impact of Synthetic Aperture Radar Satellite Precise Orbit

合成孔径雷达卫星姿态指向稳定度与图像质量关系的研究

On the Relationship between Satellite Attitude Stability And Spaceborne SAR Imaging Qualities

合成孔径雷达卫星定位误差源分析

Primary analysis of location error sources synthetic aperture radar satellite

地震监测雷达卫星系统参数的设计

Design of system parameters of earthquake monitoring SAR satellite

雷达卫星被用来穿过云层或在夜间跟踪目标。

Radar satellites are used to track targets through clouds and at night .

雷达卫星精密轨道参数确定的研究

De termination of Radar Satellite Precise Orbit Parameters

对合成孔径雷达卫星信号侦察建模与仿真分析

Modeling and Simulation Analyses of SAR Signal Reconnaissance

合成孔径雷达卫星系统任务分析方法研究

Mission Analysis for Synthetic Aperture Radar Satellite System

合成孔径雷达卫星发展历程及趋势分析

Analysis of SAR Satellite Development History and Tendency

大功率有源馈电网络收发系统越来越多地运用于相控阵雷达卫星中。

The high power active feed network is more and more used in the satellite-borne phased-array radar .

雷达卫星影像实地调查表明，前山断裂带南段的水口场-横山庙断裂带醒目的断错地貌引人注目。

Field investigation show that the dislocated landform of the Shuikouchang-Hengshanmiao fault in the southern part of the Mountain Front fault is noticeable .

合成孔径雷达卫星因具有不受日照和天气条件的限制，能全天候、全天时地对地观测，并对某些地物具有一定的穿透能力等优势，其应用需求日益广泛。

Synthetic Aperture Radar ( SAR ) satellite is widely used and needed because it is not restrict to air condition or sunlight and it has the penetration power of earth abservation all weather and all the time .

无源雷达GPS卫星信号模糊函数研究

Ambiguity Function of GPS Signals for Passive Radar

利用射频MEMS开关可制作移相器、开关式滤波器、开关阵列等，应用于雷达、卫星通信、无线通信等系统中。

The main application areas of MEMS switches are radar systems , satellite communication systems and wireless communication systems .

对马来西亚航空公司（MalaysiaAirlines）失联班机MH370的搜索行动，下一步将主要取决于亚洲各国政府和军方是否愿意交出可能较为敏感的雷达和卫星数据。

The hunt for Malaysia Airlines flight MH370 now depends on the willingness of governments and the military across Asia to hand over potentially sensitive radar and satellite data .

多模多频无线通信、智能于机、雷达、卫星通信等对频率捷变高性能射频集成芯片的需求，使基于射频MEMS技术的可重构网络技术得到广泛的重视。

With great demands of high-performance agile wide-band radio frequency ( RF ) integrate chips from multiple-mode and multiple-frequency wireless communications , intelligent mobile phones , radar and satellite communications , the reconfigurable networks technology based on RF MEMS has been in active research .

微带天线由于其重量轻、剖面小、易共形、设计灵活、成本低且易和MIC、MMIC等电路相集成等优点得到了越来越广泛的应用，比如导弹制导、雷达、卫星通信等方面。

Microstrip antennas have been used in many applications , such as guidance , radar , satellite communication because of their inherent advantages like light weight , thin profile , easy conformal , flexible design , low cost and conveniently to be integrated with MIC and MMIC circuits .

利用地面雷电探测网资料、多普勒雷达和卫星资料对一次典型的MCS过程的地闪变化特征进行了分析，结果表明，在系统发展的最初阶段全为负地闪；

The evolution of cloud-to-ground ( CG ) lightning in a typical mesoscale convective system ( MCS ) was analyzed by using the data from lightning detection system , Doppler radar and satellite . The result shows that almost all the CG flashes are negative at the first developing stage .

雷达和卫星图象的坐标同化及其实现

Coordinate assimilation of radar and satellite imagery and its implementation

用雷达追踪卫星、导弹等

Track a satellite , missile , etc using radar

卫星用雷达测定卫星从冰层顶部算起的高度。

The satellite uses radar to measure its altitude above the ice sheet .

雷达和卫星图象综合处理及叠加显示是一项新技术。

The technique of synthetic processing and overlapping of radar and satellite imagery is quite recent .

随着雷达、卫星通信等技术的迅速发展，迫切需要新型的高功率和高频率的毫米波器件的出现。

A new urgent need for high-frequency , high-power millimeter device has been emerging for advanced radar and communications .

外国防务专家称，这么做需要额外的雷达和卫星，肯定会导致武器采购成本激增。

Foreign defence experts said the additional radars and satellites needed were bound to cause a spike in weapons acquisition costs .

两起相似的事故意味着，目前用于追踪飞机位置的方法——通过地面的雷达以及卫星——并不足以完成任务。

These similar incidents suggest that the current system for tracking aircraft - via ground-based radar and satellite - is insufficient .