描述
内部干扰：是由系统的结构布局、线路设计、元器件性质变化和漂移等原因造成的，主要有：分别电容、分布电感引起的耦合感应；电磁场辐射感应；长线传输的波反射；多点接地造成的电位差引入的干扰；寄生震荡引起的干扰以及热噪声、闪变噪声、尖峰噪声等。
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