带电物体接近被测电路的输入端时，就会发生静电耦合和干扰。
Electrostatic coupling or interference occurs when an electrically charged object approaches the input circuit under test.
针对电容式微型压力传感器，专门考虑膜片的空间连续行为以及结构、静电力的耦合作用，建立了包含接口电路在内的系统模型，据此进行了动态行为仿真。
Using this method, the behavior equation of a capacitive micro pressure sensor is represented, then its reusable parameterized schematic-drive model is established coded by HDL (MAST).
散热片与器件间的电容耦合是电路产生共模辐射的主要原因之一，其对研究电路的辐射发射特别重要。然而长期以来人们将该电容简化为平板电容，采用静电场推导的电容公式计算。
Coupling capacitance between the heatsink and the devices produces common mode emission, which is considered as a constant calculated by a equation resulting from the static field for a long time.
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