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The paper studies the path loss models of the wideband channels at 2.3 GHz, 2.6 GHz and 3.5 GHz which are released by ITU-R(International Telecommunication Union-Radio communications) for the new generation radio network IMT-Advanced in a typical outdoor suburban environment of Shanghai, China. A channel measurement system for these frequency bands was(More)
A novel method for segmentation of cardiac structures in temporal echocardiographic sequences based on the snake model is presented. The method is motivated by the observation that the structures of neighboring frames have consistent locations and shapes that aid in segmentation. To cooperate with the constraining information provided by the neighboring(More)
The inadaptability of the existing network management protocol for the space network environment is analyzed in the paper. A new Spaces Network Management Protocol SP-SNMP is proposed and in which SER, the polling based on MIB and table operation protocol message used are detailed introduced, and conversion gateway is designed for different protocols. At(More)
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