Aiming at the noise jamming problems in acquisition of small current signals, an isolation and acquisition board for current signal is designed based on HCNR201 high-linearity analog optical coupler.
针对电流小信号采集中存在噪声干扰的问题，采用高线性度模拟光耦hcnr 201设计了电流信号隔离采集板。
A Raman optical pump source 208 that generates a Raman optical pumping signal is optically coupled into the optical fiber span 206 with an optical coupler 210.
产生拉曼光泵浦信号的拉曼光泵浦源208通过光耦合器210被光耦合进入光纤段206。
One or one more stimulated Brillouin scattering devices are connected between third end of first circulator and coupler for producing more high-frequency microwave signal.
在第一环行器的第三端与耦合器间还可接入一个或一个以上受激布里渊散射装置以产生更高频的微波信号。
The optical coupler 424 launches the Raman optical pumping signal in a direction that co-propagates with the optical data signals that are generated by the optical source 402.
光耦合器424沿着与光源402产生的光数据信号同向传播的方向发射拉曼光泵浦信号。
The frequency multipliers and mixers are commercial MMICs, the signal separator is a broadband high directivity waveguide directional coupler.
扩频模块中的倍频和变频器件采用商业MMIC芯片，信号分离器件采用自行设计的宽带高方向性波导定向耦合器。
Signal laser interferes in fiber coupler, then shaped signal pulse transmits from output port of this pulse shaper. Signal pulse's waveform is determined by the profile of the nonlinear phase shift.
信号光在耦合器中发生干涉，经过整形的信号光脉冲从脉冲整形器的出射端出射，信号脉冲的波形由非线性附加相移的波形决定。
Ultimately, convenient for the signal surveillance, a coaxial directional coupler was designed. Finally, the result of the simulation and experimentation were matched very well.
最后对整个系统进行了加工、调试和测试，最终实测结果与仿真结果吻合的较好，满足了各项技术指标的要求。
Ultimately, convenient for the signal surveillance, a coaxial directional coupler was designed. Finally, the result of the simulation and experimentation were matched very well.
最后对整个系统进行了加工、调试和测试，最终实测结果与仿真结果吻合的较好，满足了各项技术指标的要求。
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