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您好,signal analyzer 一般很少用。
关于您提到的功率谱密度,是否指的是输入电流噪声和输出电压噪声随频率的变化,然后根据P=UI计算得到的功率谱密度?
如果是的话,可以在Analysis- Noise Analysis,然后选择input noise和output noise得到随频率的曲线。
如果我这边理解的不对,再讨论。