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Note: Phase compensation in the fiber optical quadrature passive demodulation scheme

机译:注意:光纤正交无源解调方案中的相位补偿

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摘要

A phase compensation technique in the fiber optical quadrature passive demodulation scheme is presented. The phase error between the two interferometric signals is calculated first, and a new signal is generated which has an accurate phase difference of 90° with respect to another one. The experimental results show that the distortion in the demodulated signal is removed and the input signal is correctly recovered. The technique is successfully used in fiber optical interferometric sensors. © 2010 American Institute of Physics
机译:提出了一种光纤正交无源解调方案中的相位补偿技术。首先计算两个干涉信号之间的相位误差,然后生成一个新信号,该信号相对于另一个信号具有90°的准确相位差。实验结果表明,去除了解调信号中的失真,正确恢复了输入信号。该技术已成功用于光纤干涉传感器中。 ©2010美国物理研究所

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