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Ground based SAR system has many applications in ground structures monitoring. Normally, the radar system is constructed by linear frequency modulation. Pseudo-random code has the properties that its autocorrelation function has sharp peak like noise. In this paper, a new ground based SAR system based on code phase modulation is proposed, and the constructive diagram of ground based pseudo random...
High resolution radars has many applications on ground monitoring application. Ground based SAR based on circle synthetic aperture is discussed in this paper. Since circle path SAR exists the contradiction between the resolution of azimuth and the capability of detection, Ground Spotlight SAR mode is proposed to solve the contradiction. On the basis of analysis of the geometry and of Spotlight SAR...
To construct FP-Tree in mining frequent pattern, we propose a parallel algorithm CFPV (Construct FP-Tree on VODCA) for construct FP-Tree. This method is based on a new parallel computing environment on the distributed shared memory, called View-Oriented, Distributed, Cluster-based Approach to parallel computing (VODCA). It discusses the fact of views division and the results when generate FP-Tree...
The situation of delay network is complex. To adjust the image coding compression ratio based on real-time network conditions can make the image transmission smooth. EZW coding is a kind of coding that supporting for progressive transmission, and suitable for network transmission. In order to adjust compression ratio according to network congestion situation and improve image transmission speed on...
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