介绍了 m 序列的特性和应用到雷达高度表的原理，重点分析了伪码和载波的跟踪技术，构造了具有高速处理能力的 DSP+FPGA 结构的数字化平台。
Abstract:
The performance of m code and the theory in radar altimeter is presented，the tracking methods of code and carrier is analyzed. The system have been carried out on DSP+FPGA digital high-speed platform.
