The results showed that the temperature, average current density, frequency, reverse pulse coefficient and duty cycle had great impact on the microstructure of coatings.
结果表明，温度、平均电流密度、频率、逆向脉冲系数及占空比对镀层性能和微观形貌有较大影响。
Reverse-spread spectrum device, time sequence inspection device, channel evaluation device and method for measuring frequency faults.
逆扩频装置，时序检测装置，信道估计装置和频率误差测量方法。
For this reason, special inductor and fixture have been designed and the heat treatment problem of the reverse fork has been successfully solved by double high frequency quenching.
为此，设计制造了特殊的感应器和工装夹具，采用二次高频淬火工艺解决了该倒挡拨叉的热处理难题。
A new drive circuit for IGBT is designed. It features high switching frequency, high driving power, simple-structure and reverse-turn-off.
论文中还设计了一种新型的IGBT驱动电路，它具有开关频率高、驱动功率大、结构简单且具有负压关断的特点。
A new drive circuit for IGBT is designed. It features high switching frequency, high driving power, simple-structure and reverse-turn-off.
论文中还设计了一种新型的IGBT驱动电路，它具有开关频率高、驱动功率大、结构简单且具有负压关断的特点。
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