摘要
相关检测是一种应用较为广泛的检测方法,它能够在低信噪比的情况下检测出有用的信号.介绍了数字相关检测技术在激光相位测距仪中的应用,仿真结果显示使用该技术的激光相位测距仪不仅具有较高的精度,而且具有较强的抗噪声能力,是一种可以推广的新方法.
Correlation detection is a technique,which is in common use . It can detect useful signals in low SNR. This paper introduces the application of digital correlation detection technology in laser phase distance measurement. The simulation result shows that the apparatus used this technology not only has good precision but also has a high noise-resistance capability.
出处
《应用科技》
CAS
2005年第2期24-26,共3页
Applied Science and Technology
关键词
数字相关检测
数字信号处理
相位测距
digital correlation detection
digital signal process
phase distance measurement
