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Research of Resistance Thermal Noise
Author(s): 
Pages: 86-87
Year: Issue:  4
Journal: ORDNANCE INDUSTRY AUTOMATION

Keyword:  电阻热噪声均方电压物理温度工作频带;
Abstract: 在高于热力学零度的环境下,在电阻体内存在大量由运动电子而产生的微弱电流脉冲,经过迭加形成电阻的热噪声电流.热噪声电压通常采用均方值定量描述.可通过降低电路的物理温度、选择合适的工作频带及低噪声元件等措施,克服电阻热噪声.
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