phase sensitive demodulator是什么意思

网络释义

用法例句

Special techniques of acquiring weak signal are used in the designing of the instrument, including high precision source modulation technique and phase sensitivity detection technique.

仪器采用了高精度的光源调制技术,相敏检测技术等弱信号提取技术,单片机系统全部采用新型I2C或SPI集成电路芯片设计,具有测量精度高、体积小、功耗低等特点,适用于水中矿物油和动植物油含量的检测。

The frequency spectrum analysis method, correlation method and phase sensitive detection method were used to extract the phase difference.

方法:使用LabVIEW对数据采集卡编程,实现信号的采集,并使用频谱分析法、相关法以及相敏检测法提取参考信号与检测信号的相位差,实现软件鉴相。