相关原理对时频测量的贡献

The Contribute of Correlation Principle in Time-Frequency Measurement

相关原理广泛应用于时间频率测量领域,基于自相关和互相关的理论改进测量系统或装置的性能,完善频率测量的方法,从而提高时间频率测量的精度。本文就相关原理在改善频域测量的方法和提高时刻比对的分辨力上所做的贡献进行了简要介绍和分析。

Based on the principle of autocorrelation and cross-correlation,the correlation principle is used widely to ameliorate the performance of measuring system or equipment,perfect the testing method and improve the accuracy in the field of time-frequency measurement.This paper simply introduces and analyzes the contribute of correlation principle in perfecting the testing method of frequency measurement and improving the resolution on time-compared.