微弱信号检测—数字相关技术的研究

Weak Signal Examination—A Technical Research of Arithmetic Correlating Figures

数字相关技术是众多微弱信号检测技术中能够使测量精度和自动化程度有很大提高的最佳技术。本文主要对数字相关锁定放大器的原理进行了比较和研究。

Technique of arithmetic correlating figures is the best technique among many weak-signal-examing techniques which can exalting the test accuracy and automation to a great deal. This paper makes a comparison and study to the principles of the target enlarger of arithmetic figures.