结果表明：（1）随放电深度的增加，电荷传递阻抗R3先减小后增大；
The results shows: (1)charge-transfer resistance R3 decreases at first and then increases with the increasing of DOD;
如果所选用的电压传递函数电路对杂散电容不灵敏，那么实现的模拟阻抗电路对杂散电容也是不灵敏的。
If the selected voltage transfer function circuit is not sensitive to stray capacitance, then the implemented simulation impedance circuit is also not sensitive to stray capacitance.
在“简洁”条件下，反馈放大器的传递函数和输入、输出阻抗具有简洁和便于应用的形式。
On the "simplifying" conditions, the transfer functions, as well as the input and output impedance expressions of the feedback amplifiers, are succinct; and, can be conveniently used.
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