说明：  GPS信号的捕获算法仿真，包括串行捕获算法仿真（平方检波，CFAR，单次判决），并行码相位捕获算法仿真（平方检波，CFAR，单次判决），以及FFT并行码相位捕获算法仿真（平方检波，CFAR， TONG判决）。
(GPS signal acquisition algorithm simulation, including the capture of serial algorithm simulation (square detection, CFAR, a single sentence), parallel code phase acquisition algorithm simulation (square detection, CFAR, a single sentence), as well as the parallel FFT algorithm simulation code phase acquisition ( square detection, CFAR, TONG judgment).)