When the intensity modulation index increases, the optimal frequency modulation index increases.
随着强度调制系数增大, 频率调制系数的最优值也增大.
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The intensity modulation in analog scope let you distinguish 100 Hz ripple, switching ripple, and spike.
模拟示波器的亮度调节可以让你区分100HZ的纹波 ﹐ 开关纹波及尖峰.
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