two-frequency signal

The output signal characteristics of optical time domain reflectometer ( OTDR) are deduced and analyzed by optimizing the structure parameters of the two rings cavity lengths and coupling ratios.

通过计算机仿真，给出了用光时域反射计（OTDR）探测到的光纤转动传感器输出信号的特性，利用优化的环长和分光比两结构参量，分析了模拟结果。

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The grating sensor comprises two pairs of gratings which are installed on a safety island, and the gratings are connected with a weighing control machine cabinet through signal cables.

它包括安装在安全岛上的两对光栅，光栅通过信号线缆连接到称重控制机柜。

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The threshold value signal of two-valued is offered by Digital potentiometer which is controlled by SCM.

该方法中输出信号进行二值化时阈值信号由数字电位器提供，单片机产生数字电位器的控制信号。

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An 8 × 2. 5 Gbit/ s optical time division multiplexing signal generating system has been achieved by using two 1 × 8 single-mode fiber couplers.

采用两只1×8单模光纤耦合器，实现了8×2.5Gbit／s时分复用信号的产生。

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In the case of the noises modulated by the bias signal, the stochastic resonance of a single-mode laser driven by two colored noises with time period modulation correlation intensity is investigated.

在噪声受偏置信号调制的情况下，讨论色噪声之间的关联受时间周期调制所驱动的单模激光系统中的随机共振。

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