被动组件 Passivity (engineering)
（重定向自Passive device）
被动组件（Passive components）在不同领域有不太一样的定义，它是电子组件的类型之一。被定义为在工作时间内，不能供应任何平均值大于零的功率到外界的电子组件。例如电阻，将功率的消耗转化为热能。
- T≥0
- 功率为
，即
与
的内积
Passive device
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英语百科
Passivity (engineering) 被动元件
（重定向自Passive device）
Passivity is a property of engineering systems, used in a variety of engineering disciplines, but most commonly found in analog electronics and control systems. A passive component, depending on field, may be either a component that consumes (but does not produce) energy (thermodynamic passivity), or a component that is incapable of power gain (incremental passivity).
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