The sole manufacturer with independent intellectual property rights of four-quadrant high voltage variable frequency technology.
荣信公司是国内最早对四象限中压变频技术有自主知识产权并掌握核心技术厂家。
2
It introduces a kind of powerful complementary DC and constant voltage power device by using the independent excitation and high frequency PWM wave clipper.
介绍一种利用它激式高频pwm斩波技术完成的大功率直流稳压电源装置。
3
Tranfer function independent of frequency for electron micrograph deconvolution is obtained, which improves the resolution of electron micrograph.