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GNSS is capable of providing high-precision and drift-free attitude information. The traditional attitude determination methods based on the baseline vector and carrier phase measurement process attitude determination estimation and ambiguity resolution sequentially. And the redundant measurements from multi-baselines have not been fully utilized. A GNSS measurements based attitude determination method...
Detection of surface water in natural environment via multi-spectral imagery has been widely utilized in many fields, such land cover identification. However, due to the similarity of the spectra of water bodies, built-up areas, approaches based on high-resolution satellites sometimes confuse these features. A popular direction to detect water is spectral index, often requiring the ground truth to...
This paper presents a novel Ku-Band low profile antenna system for mobile sitcom. The antenna is designed in the shape of a four-to-one rectangle based on planar antenna array. The method of beam scanning tracking is used which is simple and efficient. The antenna can mechanically scan the communication satellite automatically from 0° to 90° in elevation and 360° coverage in azimuth, achieving remote...
This paper presented a design of phased array antenna system for INMARSAT mobile ground terminal. Using GPS and electronic compass, antenna can scan the communication satellite automatically from 300 to 900 in elevation and 3600 coverage in azimuth through the DSP module. antenna gain is better than 14 dB, diameter is less than 550 mm, height is less than 110 mm. In this paper, we put emphasis on...
At present, LUCC research becomes a hot problem. The research in our country focuses on the hot spots, fragile ecological environment and typical areas. In this paper, two remote sensing image respectively in 2000 and 2005 are used to analyze and assess the LUCC of the industrial zone by using the 3S technique means. The result is taken to support the data for the EIA and EM.
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