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1)  asymmetric 3×3 coupler
非对称3×3耦合器
1.
The signal processing software was designed by Labview, and it could achieve software demodulation of asymmetric 3×3 coupler output signal and spectrum analysis.
实现了对非对称3×3耦合器输出信号的软件解调和频谱分析。
2)  asymmetric 3×3 coupler demodulation
非对称3×3耦合解调
3)  3×3 coupler
3×3耦合器
1.
Digitized demodulation scheme of fiber optical hydrophones based on 3×3 coupler;
基于3×3耦合器光纤水听器的数字化解调方案
2.
Signal demodulation algorithm of fiber optic gyroscope based on 3×3 coupler;
基于3×3耦合器的光纤陀螺信号解调算法
3.
Outer vibration signals can be obtained from the output of the interferometer when a 3×3 coupler combined with software demodulation is used as the splitter.
用3×3耦合器作为分光器,并结合软件解调技术从干涉仪的输出信号中解调出了外部振动信号。
4)  3×3 directional coupler
3×3耦合器
1.
Based on the 2π/3 phase difference when interference beam pass through the coupler, the signal is magnified, shaped and filtered by the demodulator comprising 3×3 directional coupler and demodulation.
解调器由3×3耦合器和解调电路构成,根据干涉光在通过耦合器后,产生的2π/3固定相位差,对信号进行放大整形、滤波,由解调电路可直接获取被传感信号进行解调;判向计数模块基于CPLD技术,满足了系统高分辨率需求;单片机控制电路以AT89S52单片机为核心部件,实现了数据采集、通讯及计数模块清零等功能。
2.
In this paper ,we introduce a design of a strain measurement system based on the 3×3 directional coupler which is mainly used in the laboratory.
本文根据实验系统的需要,详细介绍了一种将基于3×3耦合器的干涉型光纤传感器应用于应变测量系统的设计过程,全文包括系统设计原理的分析,系统的软硬件设计等内容。
5)  asymmetry fiber couplers
非对称耦合器
6)  3×3 fiber coupler
3×3光纤耦合器
1.
Based on the nonreciprocal nature of Farady effect, a 3×3 fiber coupler is used to attain a phase bias so as to improve the measure sensibility.
利用Faraday效应的非互易性,采用一个3×3光纤耦合器实现相位偏置。
补充资料:二种非器──闻经二种非器
【二种非器──闻经二种非器】
  ﹝出华严经疏﹞
  [一、二乘非器],谓佛说华严经时,一切二乘根器狭劣,不能听闻。故出现品云:一切二乘,不闻此经,何况受持,故虽在座,如聋如瞽;是名二乘非器。(二乘者,声闻乘、缘觉乘也。)
  [二、众生非器],谓一切邪见众生,无信心故,非其根器,虽闻此经,闻即生谤,而堕恶道,是名众生非器。
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