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A broadband curvilinear dipole is presented, and impedancematching network including Non-Foster elements is employed to broaden its bandwidth. The antenna is precisely designed in a curved shape with the dimension of 1100 mm × 85 mm. The bandwidth for VSWR less than 2 ranges from 290MHz to 765MHz. Then, a conventional LC matching network is designed for the antenna, which brings a bandwidth of 5 octaves...
Based on land use and urban plan maps, we extraced urban land information of Chongqing urban area in periods of 1995,2000.2008. With the help of GIS softwares and statistical analysis model, such indexes as expansion speed, expansion intensity, expansion direction, expansion morphological, and landscape features were used. This paper analyzed the spatio-temporal characteristics of urban land expansion...
In this work, a fully implantable and scalable neuroprocessor has been designed to process neural recordings in awake behaving animals. The neuroprocessor operates at 6.4 MHz to process neural signals from 32 microelectrode channels sampled at 25 KHz and transmits only the critical neural information over a 1 Mbps wireless channel in order to meet the stringent hardware and communication constraints...
Brain Machine Interface (BMI) systems demand real-time spike sorting to instantaneously decode the spike trains of simultaneously recorded cortical neurons. Real-time spike sorting, however, requires extensive computational power that is not feasible to implement in implantable BMI architectures, thereby requiring transmission of high-bandwidth raw neural data to an external computer. In this work,...
A multi-agent learning system model is presented to solve the problems existing in the present remote learning system, such as the monotonous pattern and passive educating. Integrated with intelligent agent technology, the multi-agent learning system gives an agent capability description language, on the basis of which we suggest relevant personal grouping strategy and learning task allocation strategy...
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