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This paper addresses the stochastic stability problem of a modified extended Kalman filter (MEKF), targeted at the state estimation of the nonlinear system through wireless channel, where both transmission failure and channel fading are practically under consideration. For a class of nonlinear systems whose observation's Jacobi Matrix is always invertible, the sufficient conditions of the error covariance...
Recent advances in wireless technologies have caused a significant shift in providing information services to users anywhere and any time by using various devices in a ubiquitous environment. Research works concerning the techniques used to effectively retrieve high-dimensional spatial information from WSN is immature. In this paper, we propose a preprocessing algorithm based on feature preserving...
Dynamic testing is actually testing during the course of vehicle emissions, reflecting the real situation. Through the integration of detection equipment and analysis software, it realized real-time detection, data analysis and troubleshooting. Using single-chip microcomputer control technology development, it designed microcontrollers and gas sensors as the core of the hardware system. Using embedded...
It is very difficult to distinguish between selective forwarding attacks and normal packet drops in wireless sensor networks. In order to detect selective forwarding attack effectively, we propose the sequential mesh test based detection scheme in this paper. The cluster head node detects the packet drop nodes based on the sequential mesh test method after receiving the packet drop reports. This scheme...
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