并且存在着最佳反馈环路传递函数，使得其强度调制性能达到最佳。

There exists an optimal transfer function for the feedback loop which can optimize the performance of intensity modulation.

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研究了反射式强度调制型光纤传感器中反射面的形状对光强调制特性的影响，推导得出了含反射面形状因子的光强调制函数。

In a reflective fiber optic displacement sensor, the influence on intensity modulation property caused by the reflector shape was studied theoretically with the mathematic model found.

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通过数学运算和近似处理，得到了动态散斑强度涨落的空-时相关函数的解析表达式，从理论上揭示了散斑受超声调制的过程，对散射介质中的声光调制机制做出了新的诠释。

The specific space-time intensity correlation function of dynamic speckle has been derived and opens out the mechanism of the dynamic speckle modulated by ultrasound in scattering medium.

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