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Medical catheter plays a very important role in the minimally invasive cardiac surgery. Doctors want to know the real-time location of a catheter when the catheter is navigating in the heart. This paper studies on simulation of interaction between heart and catheter based on BD tree. The heart data are collected from hospital and a heart model is reconstructed using the Poisson algorithm. The catheter...
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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