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In order to satisfy the requirements of the government officials of small towns for handling official business on the spot in country area. A small town e-Government system based on Wireless communications technology, Global Positioning System (GPS) technology and Embedded Development Technology was developed. The system can run at the mobile equipments, such as Personal Data Assistant (PDA), intelligent...
This paper presents switched modified function projective synchronization of two different hyperchaotic systems using adaptive control method. On the basis of Lyapunov stability theory, an adaptive controller for the synchronization of two different hyperchaotic systems is designed, and some parameter update laws for estimating the unknown parameters of the systems are also gained. This technique...
MLAT (Multilateration) in the civil aviation is a typical sensor network which locates the positions of aircrafts by the TDOAs (Time Difference of Arrivals) of signal from the aircraft to the different remote stations. It is important for MLAT to ensure the clock synchronization. On the basis of CHAN algorithm, this paper proposes an improvement based on TDOA adjustment. In this method, a reference...
This paper mainly investigates adaptive synchronization of complex Lü system with uncertain parameters. On the basis of Lyapunov stability theory, an adaptive controller for the synchronization of the complex Lü system is designed, and some parameter update laws for estimating the unknown parameters of the systems are also gained. The numerical simulations demonstrate the validity and feasibility...
This paper presents modified projective synchronization a new chaotic system using adaptive control method. On the basis of Lyapunov stability theory, an adaptive controller for the synchronization of the new chaotic system is designed, and some parameter update laws for estimating the unknown parameters of the system are also obtained. The numerical simulations demonstrate the validity and feasibility...
In order to reduce the influences of synchronization signals in CMMB (China Mobile Multimedia Broadcasting) system, which caused by multipath and frequency offset in wireless channel. This paper combined the specific frame structure of CMMB standard protocol, analyzed some influences for symbol synchronization, and proposed a coarse symbol timing synchronization algorithm that was based on traditional...
The Access Grid (AG) is one of the most widely used technologies for building advanced collaborative environment, and a distributed collaborative Augmented Reality (AR) environment has been established with AG and AR technologies. In such distributed shared environment, one of the most difficult tasks is maintaining a consistent view of the shared AR scene among all participants. This paper presents...
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