英德
有道
百度
谷歌
图片
维基
百科
相敏检波
phase sensitive detection
- 本文提出了一种不需要外接同频参考信号的数字相敏检波器算法。
DPSD algorithm which doesn t require a reference signal of the same frequency is proposed in this paper. - 本文叙述了采用循环采集法、自刻度功能、相敏检波等方法提高了仪器的测量精度；
The article relates that the tool"s measurement precision has been improved by applying cycling acquisition method, self calibration function and phase-sensitive detector." - 钻进时产生的强烈电磁干扰使传统的模拟相敏检波（APSD）方法无法准确获取随钻测井的电磁波信号。
Intense electromagnetic interference while drilling prevents traditional analog phase sensitive demodulation(APSD) from correctly acquiring electromagnetic wave signal of logging while drilling(LWD).
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