并在原实验装置的基础上，利用信号差分方法减少了光强波动对实验干涉谱图的影响，改善了信噪比。
Based on our previous setup, a signal differential module is introduced to reduce the noise rising from the fluctuation of the laser power to improve the quality of the experimental interferogram.
与接触模式工作的原子力显微镜相比扩大了测量范围。电子处理共模抑制系统可有效地抑制光强波动和降低系统电子噪声。
The electronic processing system is a common-mode rejection system so that insensitive to intensity fluctuations of the light source and minimizes noise from electronic system.
从几何光学的角度出发分析了气泡对光的散射，得出散射光强的波动特性与气泡的直径存在一定的关系。
The scattering light of bubble is analysed from the point of view of geometry optics, from which it is concluded that the fluctuation of light intensity has some relation with the diameter of bubbles.
另外光源光强的波动对测量结果没有影响。
In addition, the measured result is free of the intensity fluctuation of light source.
另外光源光强的波动对测量结果没有影响。
In addition, the measured result is free of the intensity fluctuation of light source.
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