反射电压是指指反激开关电源中，当开关管断开时 变压器中储存的能量没有被次级（副边）及时吸收，此时会返回到初级（原边），会导致开关电源效率低，开关管容易击穿。
要达到比较高的振荡电压峰值，变压器的反射电压必须设置的比较高。
To achieve high oscillation peaks, the design of the transformer has to be set to high reflected voltage.
为了在一次计算中抽取宽频带的散射参量，引入特征阻抗的概念用于分离入射电压波和反射电压波；
In order to extract wide-band scattering parameters by one computation, the concept of characteristic impedance is introduced to separate transmitted and reflected voltage waves.
这种离析主要原理的手法有助于合理审视电源电路里诸如变化速率、振荡、钳位、缓冲、反射电压等过程。
The separation into main elements should be done in respect of reasonable events in the power circuit like on and off slopes, oscillations, clamping, snubbering, reflected voltage, etc.
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