求翻译：本文围绕数字锁相放大器的设计，介绍了微弱信号的检测方法、检测原理，模拟锁相放大器的工作原理，分析了模拟锁相放大器检测微弱信号存在的局限性。详细介绍了数字锁相放大器的构成、特点及其设计过程。给出了基于虚拟仪器技术的锁相放大器的整体设计，并且进行了微弱信号检测实验。在实际测试中，该锁相放大器在额定信号频率范围内，都可以很好的检测出待测信号。是什么意思？

This paper focuses on the design of the digital lock-in amplifier, the weak signal detection method, the detection principle, the working principle of analog lock-in amplifier, the limitations of analog lock-in amplifier to detect weak signals. Details of the digital lock-in amplifier structure, cha

This article around the digital phase-locked amplifier design, describes the weak signal detection methods, test theory, analog phase-locked amplifier works, with an analysis of analog phase-locked detection weak signal amplifier the limitations. Detailed information on the digital phase-locked ampl

This article revolves the digital phase-lock amplifier the design, introduced the weak signal examination method, the examination principle, simulate the phase-lock amplifier the principle of work, has analyzed the simulation phase-lock amplifier examination weak signal existence limitation.In detai

This article revolves around digital lock phase amplifier design, introduced the principle of weak signal detection method, detection, simulation of lock phase amplifier works, analysis and simulation of lock phase amplifier limitation detection of weak signals. Details the composition of the digita

正在翻译，请等待...