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笔者利用声速测定仪产生两列同方向同频率并且相位差连续可调的波,利用双踪示波器将这两列波以及它们的叠加结果清晰地呈现出来,生动形象的实验现象有助于学生理解和掌握波叠加的知识。
The author uses the sonicator to generate two columns of the same frequency with the same phase and the phase difference between the continuously adjustable wave, the use of dual-track oscilloscope will be the two wave and their superposition of the results clearly show the vivid image of the experimental phenomenon helps students understand And master wave superimposition knowledge.