This paper presents a high speed PCM demodulation circuit through which the serial parallel converter plays a role of demodulating and the hardware realizes frame synchronization.
为了从接收到的PCM码中还原出原始信号，阐述了一种由硬件实现帧同步，由串并转换器完成PCM码解调器的高速PCM码解调器电路。
In order to demodulate optic fiber Fabry-Perot sensors multiplexed in parallel with high accuracy and absolute cavity length, an improved cross-correlation demodulation method is proposed.
为了实现光纤法-珀传感器并联复用信号的高精度、绝对腔长解调，提出了一种改进的互相关解调法。
This demodulation system also has serial port, parallel port, JTAG port, and can display signal wave in LCD.
本解调系统还拥有串口、并口等通信接口以及JTAG调试接口。自带lcd，可以动态显示解调后的信号波形。
Simulations show that for a 4-symbol parallel width 2-symbol output width demodulator, the demodulation loss caused by time domain truncation in the parallel filter is about 0.6 dB.
应用该公式分析并行宽度为4个码元，输出宽度为2个码元的解调器，并行滤波的时域截断导致的解调损失约为0。
Simulations show that for a 4-symbol parallel width 2-symbol output width demodulator, the demodulation loss caused by time domain truncation in the parallel filter is about 0.6 dB.
应用该公式分析并行宽度为4个码元，输出宽度为2个码元的解调器，并行滤波的时域截断导致的解调损失约为0。
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