Design of portable digital correlator

GAO Meng; LI Wen-jun

doi:10.13873/J.1000-9787(2017)01-0071-04

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Design of portable digital correlator

更新时间：2025-09-11

- Design of portable digital correlator
- Vol. 36, Issue 1, Pages: 71-74(2017)
- 作者机构：
  
  中国计量学院计量测试工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2017)01-0071-04
  CLC： TB94;TN911.7
- Published：2017
- 稿件说明：
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[1]高猛,李文军.便携数字式相关器设计[J].传感器与微系统,2017,36(01):71-74.

GAO Meng, LI Wen-jun. Design of portable digital correlator[J]. 2017, 36(1): 71-74.
[1]高猛,李文军.便携数字式相关器设计[J].传感器与微系统,2017,36(01):71-74. DOI： 10.13873/J.1000-9787(2017)01-0071-04.

GAO Meng, LI Wen-jun. Design of portable digital correlator[J]. 2017, 36(1): 71-74. DOI： 10.13873/J.1000-9787(2017)01-0071-04.

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。

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.

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references

量子电压标定的噪声温度计系统设计 [J]. 张建强,屈继峰,付云丰,姚燕. 传感器与微系统 . 2012(09)

基于数字相关原理的相位差测量新方法 [J]. 刘灿涛,赵伟,袁俊. 计量学报 . 2002(03)

四通道噪声温度计系统设计 [D]. 付云丰. 中国计量科学研究院 2013

微弱信号检测[M]. 清华大学出版社 , 高晋占, 2011

USB应用开发实例详解[M]. 人民邮电出版社 , 薛园园, 2009

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