About: Power gain

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The power gain of an electrical network is the ratio of an output power to an input power. Unlike other signal gains, such as voltage and current gain, "power gain" may be ambiguous as the meaning of terms "input power" and "output power" is not always clear. Three important power gains are operating power gain, transducer power gain and available power gain. Note that all these definitions of power gains employ the use of average (as opposed to instantaneous) power quantities and therefore the term "average" is often suppressed, which can be confusing at occasions.

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  • The power gain of an electrical network is the ratio of an output power to an input power. Unlike other signal gains, such as voltage and current gain, "power gain" may be ambiguous as the meaning of terms "input power" and "output power" is not always clear. Three important power gains are operating power gain, transducer power gain and available power gain. Note that all these definitions of power gains employ the use of average (as opposed to instantaneous) power quantities and therefore the term "average" is often suppressed, which can be confusing at occasions. (en)
  • 功率增益（英語：Power gain）是指一个电路里输出功率和输入功率的比例。不像其他的信号增益，例如和，功率增益由于“输入功率”和“输出功率”本身有着相对模糊的定义，因此有时显得有点混淆。三种重要的功率增益包括：运算功率增益（英語：operating power gain）、转换功率增益（transducer power gain）和有效功率增益（available power gain）。值得注意的是，上述三种增益的定义均基于功率的平均效果，而非瞬时功率，不过“平均”二字经常被省略，在有的情况会引起混淆。 (zh)
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  • The power gain of an electrical network is the ratio of an output power to an input power. Unlike other signal gains, such as voltage and current gain, "power gain" may be ambiguous as the meaning of terms "input power" and "output power" is not always clear. Three important power gains are operating power gain, transducer power gain and available power gain. Note that all these definitions of power gains employ the use of average (as opposed to instantaneous) power quantities and therefore the term "average" is often suppressed, which can be confusing at occasions. (en)
  • 功率增益（英語：Power gain）是指一个电路里输出功率和输入功率的比例。不像其他的信号增益，例如和，功率增益由于“输入功率”和“输出功率”本身有着相对模糊的定义，因此有时显得有点混淆。三种重要的功率增益包括：运算功率增益（英語：operating power gain）、转换功率增益（transducer power gain）和有效功率增益（available power gain）。值得注意的是，上述三种增益的定义均基于功率的平均效果，而非瞬时功率，不过“平均”二字经常被省略，在有的情况会引起混淆。 (zh)
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  • Power gain (en)
  • 功率增益 (zh)
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