搜索结果: 1-7 共查到“信息与通信工程 L-band”相关记录7条 . 查询时间(0.218 秒)
GEOPHYSICAL PARAMETER RETRIEVAL FOR MICROWAVE C BAND SYNTHETIC APERTURE RADAR (SAR) DATASET USING INTEGRAL EQUATION MODEL
Microwave SAR Geophysical Parameters IEM Modelling
2019/2/28
The microwave remote sensing is highly useful, as it provides synoptic observation of the Earth’s surface or planetary bodies, regardless of day or night and the atmospheric conditions, propagation th...
Development, Deployment, and Characterization of a Ku-band Interferometer
Radar Interferometry FM-CW DEM Interferogram Topography
2014/12/8
Space-borne radar interferometry provides a global vantage point to understand climate change, global weather phenomenon, and other Earth dynamics. For climate change observations, space-borne interfe...
Integrated CMOS IQ Upconverter/Downconverter for an X-Band Phased-Array Radar Application
RF CMOS X-Band Quadrature Conversion Injection Locking Quadrature Coupling Inegrated Mixer
2014/12/8
This thesis describes the design and measurement of an X-band IQ up/down converter that has been fabricated on a 180nm RF CMOS process. This converter includes components for mixing, frequency doublin...
Integration And Measurements of a Ka-Band Interferometric Radar in an Airborne Platform
interferometry radar ka-band
2014/12/8
The Topographic Interferometry Mapping Mission (TIMMi) instrument is a unique millimeter wave interferometric radar system operating at 35 GHz (Ka-band). It was constructed in part to advance the tech...
针对雷达进行海浪遥测时降雨对雷达波传播和海浪参数反演的影响,提出一种基于质量控制、三维表面粗糙度评定参数及信噪比的降雨资料识别与处理方法来提高海浪参数反演结果的准确度。首先,分析降雨对雷达遥测海浪及海面回波特性的影响,利用质量控制功能判定存在问题的图像。然后,根据回波图像的三维表面粗糙度的相关评定参数以及信噪比的具体变化趋势确定引起雷达图像产生问题的具体原因,确定受降雨影响的图像。最后对受降雨影响...
Ultra Wide-Band : State of the Art;Implementation of a Performance-Controllable Low-Noise Amplifier
Low-Noise Amplifier Ultra Wide-Band
2009/7/28
Ultra Wide-Band (UWB) transmissions exhibit performances vastly superior to existing wireless systems - superlative data-rate capacity, high security, low cost, low power consumption - and are emergin...
Text Particles Multi-Band Fusion for Robust Text Detection
Text Particles Multi-Band Fusion Text Detection
2010/12/17
Texts in images and videos usually carry important information for visual content understanding and retrieval. Two main restrictions exist in the state-of-the-art text detection algorithms: weak contr...