early-late gate Sync for DPD system

位同步程序，本程序通过早迟门的结果，通过相位误差鉴别器和环路滤波器和DCO，来达到位同步。-Bit synchronization program, this program, the results of the early-late gate phase error discriminator and loop filter and DCO to achieve bit synchronization.

早迟门算法，定时同步中的经典算法，适合初学者学习参考-Early-late gate algorithm, timing synchronization in the classical algorithm, suitable for beginners to learn the reference

一个二进制PAM通信系统，使用滚降系数0.4的升余弦波形，速率4800bps，仿真早迟门的工作-A binary PAM communication systems, the use of roll-off factor of 0.4 or cosine waveform, rate 4800bps, early-late gate simulation work

一个载波恢复与符号定时的仿真。 载波恢复使用平方环，符号定时基于早迟门，发送信号采用BPSK调制方式，统计计算的误码率。-A carrier recovery and symbol timing simulation. Carrier recovery loop using the square, the symbol timing based on early-late gate, sending a signal using BPSK modulation, bit error rate