以无线扩频通信技术为基础的CD ma技术，是进入90年代以来无线通信领域十分引入注目的多址通信技术。
The CDMA based on the radio frequency spread technique has been a very attractive multiple access technique in the radio communication field since 1990.
扩频通信在无线通信中得以广泛应用。
CDMA has been widely used in wireless telecommunication system.
本课题以扩频通信为理论基础，结合目前广泛使用的数字信号处理芯片DSP和FPGA，研究了区域无线电导航系统接收机数字信号处理平台。
Based on the spread spectrum communication theory, combine digital signal-processing chip DSP and FPGA, this article researches and designs the receiver system for regional radio navigation.
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