optical fibre pickoff coupler是什么意思

用法例句

An algorithm based on the Bessel function is presented to obtain the phase difference of the outputs of a 3×3 fiber-optic coupler in frequency domain.

本文提出了一种基于Bessel函数展开,在频域内精确确定光纤传感器3×3耦合器输出信号相位差的算法。