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As a part of a driver assistance system, vehicle topview system plays an important role in driving safety. The objective of this research is to develop a vision-based top-view system to expand drivers' field of view. Four cameras provide a 360-degree view of the surrounding terrain of the vehicle, and the destination image is composed by these four processed images. In this paper, we divide the procedure...
We model the decoding of Interleaved Chinese Remainder codes as that of finding a short vector in a Z-lattice. Using the LLL algorithm, we obtain an efficient decoding algorithm, correcting errors beyond the unique decoding bound and having nearly linear complexity. The algorithm can fail with a probability dependent on the number of errors, and we give an upper bound for this. Simulation results...
This paper presents a vector control method of AC asynchronous electric motor based on the Digital Signal Processor(DSP) and establishes a mathematical model using double closed-loop decoupled vector control system analysis. The hardware structure, control algorithm and software design flow of the system are described. The key circuit, control circuit and assistant circuit are designed to implement...
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