Application of DDS in grating sensor displacement measurement system debugging

HUANG Yong; GAO Shi-hong; LONG Ao-xue

doi:10.13873/j.1000-97872009.09.014

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Application of DDS in grating sensor displacement measurement system debugging

更新时间：2025-09-11

- Application of DDS in grating sensor displacement measurement system debugging
- Vol. 28, Issue 9, Pages: 112-114(2009)
- 作者机构：
  
  湖北民族学院信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872009.09.014
  CLC： TP274
- Published：2009
- 稿件说明：
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[1]黄勇,高仕红,龙傲雪.DDS在光栅传感器位移测量系统调试中的应用[J].传感器与微系统,2009,28(09):112-114.

HUANG Yong, GAO Shi-hong, LONG Ao-xue. Application of DDS in grating sensor displacement measurement system debugging[J]. 2009, 28(9): 112-114.
[1]黄勇,高仕红,龙傲雪.DDS在光栅传感器位移测量系统调试中的应用[J].传感器与微系统,2009,28(09):112-114. DOI： 10.13873/j.1000-97872009.09.014.

HUANG Yong, GAO Shi-hong, LONG Ao-xue. Application of DDS in grating sensor displacement measurement system debugging[J]. 2009, 28(9): 112-114. DOI： 10.13873/j.1000-97872009.09.014.

摘要

针对光栅位移测量系统调试中直接用光栅传感器产生信号不方便的缺点

在研究光栅传感器输出信号机理的基础上

提出了采用直接数字合成（DDS）技术来模拟光栅传感器输出的两路同频严格正交信号

进行了DDS的原理分析

设计了相关电路

搭建了实验系统

完成了相关实验。实验表明:用DDS技术来模拟光栅传感器的输出信号

频率覆盖范围为0.1Hz

0MHz

频率误差和相位误差小于1%

整个系统电路设计简单

容易实现频率调整

能够满足实际需要。

Abstract

In order to solve the problem of the grating sensor displacement measurement system debugging

based on research on the principle of the output signal of the grating sensor

two channel sinusoidal signals which must be strictly orthogonal and same frequency are imitated by direct digital synthesis（DDS）technology.The basic principle of DDS is introduced

and the circuitry and the system of experiment are designed

and the experiments of testing are carried on.The experiment results indicate that frequency range of the system is 0.1Hz

0MHz

its errors of frequency and phase are less than 1%.The system structure is simple and the frequency modulation is easy and the requirement of measurement can be met.

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references

线性调频信号DDS频率合成源的设计与实现 [J]. 郭振永,邓云凯,杨松,涂国防. 现代雷达 . 2005(03)

基于单片机和DDS的高精度频率信号实现 [J]. 李青鹏,路军,李俊杰. 电子工程师 . 2002(09)

光栅传感智能位移测量系统 [J]. 梁长垠. 传感器技术 . 2001(04)

Design of a Four-Phase High Frequency Amplitude-Stable Power Supply [J] . Yang Qihua. Biomedical Microdevices . 2005 (3)

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Related Institution

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