| 1. | Johnson noise is purely an effect of resistance
热噪声纯粹是电阻的效应。
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| 2. | Johnson noise voltage
热噪声电压
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| 3. | The johnson noise of complex impedances consists only of the johnson noise of the resistive part of the impedance , so pure capacitance or inductance does not have johnson noise , even though it has an impedance
复阻抗的热噪声仅仅是电阻部分的热噪声，因此理想的电容器或电感器虽然有阻抗，但并没有热噪声。
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| 4. | A final " imperfection " of resistors is an inconvenience but cannot properly be regarded as an imperfection as it is a fundamental property of all resistors : thermal or johnson noise
关于电阻的非理想特性，最后一项内容是热噪声，也称为约翰逊噪声。其实这并不能称为完全意义上的非理想特性，它是电阻的固有性质，任何电阻器都不例外。
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