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22
- 介绍了基于伪码测距的某定位系统的设计方案,简要分析了伪码测距的原理,研究了用FPGA实现伪码的捕获与跟踪的方法。
FFT-CA
- 用FFT做CA码捕获得程序,GPS接收机的伪码捕获程序-CA to do with the FFT procedure code was caught, GPS receiver code acquisition process
pmffft.pdf
- 采用匹配滤波器和FFT结合的伪码捕获方案-Matched filter and FFT using a combination of pseudo-code acquisition scheme