Secondly, the architecture of reader front end is determined based on the analysis of RFID protocols and wireless frequency regulations.
其次，在对射频识别系统的协议和无线电频谱规范进行分析的基础上，确定了阅读器射频前端的体系架构。
It spurs us to develop highly efficient coding, modulation and signal processing techniques to improve the wireless frequency spectrum efficiency.
这种挑战使得人们努力开发高效的编码、调制以及信号处理技术来提高无线频率的效率。
It spurs us to develop highly efficient coding, modulation and signal processing techniques to improve the wireless frequency spectrum efficiency.
这种挑战使得人们努力开发高效的编码、调制以及信号处理技术来提高无线频率的效率。
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