【摘要】 介绍了一种便携数字式相关器。相关器由MCU处理器EP4CE6E22C8N,USB 2.0接口CY7C68013A、高速光纤收发器HFBR—2526/1527、模/数转换电路等组成。论述了系统工作原理,阐述了硬软件搭建方案和核心器件的实现过程。利用该相关器对峰峰值为0.8 n V的微弱量子电压正弦信号进行了放大、相关、数据存储及计算。结果表明:该数字式相关器数据传输速度快,可用于实现微弱信号的检测。更多还原

【Abstract】 A portable digital correlator is introduced. It consists of MCU processor EP4CE6E22C8 N,USB 2. 0interface chip CY7C68013 A,high-speed optical transmitter and receiver HFBR—2526/1527,analog to digital conversion circuit,and so on. Working principle of device is described,configuration of hardware,design of software and realization of main device. Weak quantum voltage sinusoidal signal Whose peak-to-peak value is0. 8 n V is amplified correlated,data storage and calculated by digital correlator. The results show that the datatransmission speed of digital correlator is high and can be used for detection of faint signal.更多还原