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介绍了QPSK调制技术的工作原理、性能及AD9910的功能。重点论述了利用可编程逻辑器件FPGA控制AD9910,通过相位选择法产生QPSK调制信号的设计方案。
Describes the working principle of QPSK modulation technology, performance and AD9910 functions. Focus on the use of programmable logic device FPGA control AD9910, through the phase selection method to generate QPSK modulation signal design.