phase demodulation中文什么意思

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Phase demodulation method of optic fiber sensor based on labview
的光纖傳感器相位解調(diào)技術(shù)
Relative phase demodulation technique in frequency domain in projected grating phase method
雙頻投影柵線法的改進
This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system , and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments . by combining the two sensors to form a synchronous system , the task of harmonic analysis , phase demodulation , power and wattless power computation is accomplished , which helps to monitor and control the electric power system
本文詳細論述了電力系統(tǒng)高壓電網(wǎng)電參量的光學測量的一種實現(xiàn)方法，從理論和實驗兩方面研究了基于farady磁光效應(yīng)的光纖電流傳感器及基于led線性電光轉(zhuǎn)換特性的光纖電壓傳感器，并聯(lián)合兩種傳感器形成了電壓、電流的同步測量系統(tǒng)，實現(xiàn)了諧波分析、鑒相及有功、無功功率的計算，可對電能質(zhì)量進行監(jiān)控。

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