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本文结合超高频RFID读写器的发展趋势，提出了一种基于EPC Gen2标准的
915MHz超高频RFID读写器设计，并完成了系统测试。涉及的主要工作有：
1．分析了EPC Gen2标准的技术特点和各项指标，研究了UHF RFID读写器的
系统原理和基本结构，详细探讨了整个系统通信链路的传播特点。
2．分析了读写器射频电路。MCU采用单片机C8051F340，射频芯片采用奥地利
微电子的高集成度UHF RFID读写芯片AS3991。完成了硬件电路的搭建和测
试。
3．设
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Based on the time delay estimation of power spectrum, Is a two hidden layer back propagation neural network, Course designed to prepare the matlab program code.
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Import data files as input parameters matlab program is running, This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Is a two hidden layer back propagation neural network.
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PV modules contain, MPPT module, BOOST module, inverter module, Is a two hidden layer back propagation neural network, Import data files as input parameters matlab program is running.
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Based on wavelet transform digital watermarking algorithm matlab code, Is a two hidden layer back propagation neural network, This program has exceeded the performance of other algorithms.
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Based on matlab GUI interface design, Is a two hidden layer back propagation neural network, Various kalman filter design.
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