The moving vector of object can be confirmed when acoustic - optic modulator ( AOM ) introduces a frequency offset.
通过声光 调制器 的偏频后,能够确定物体的运动方向.
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The result shows that the law of acoustic - optic deflexion and modulation basically tallies with the experiment.
通过实验测量,绘制了声光偏转和调制曲线,并结合理论对实验结果作了分析讨论.
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