The high-frequency harmonics from charge rectifier of storage battery and its suppression means were discussed.

讨论了蓄电池充电整流器所产生的高次谐波及其抑制措施。

youdao

Urban mass transit adopts 12 pulse and 24 pulse rectifier, whose high frequency harmonics mainly is 11 times, 13 times, 23 times and 25 times harmonics.

城市轨道交通牵引供电系统采用12脉波整流机组和24脉波整流机组进行整流，所产生谐波以11次、13次、23次和25次谐波为主。

youdao

The low frequency harmonics are regulation and the intensity is strong in the formant of the aged. Thedifference reduces in voice between male and female.

老年期共振峰低频谐波规则，声能强，男女声之间差异减少。

youdao

At first she attributed this to the range of high harmonics used by Mozart, but her later research, which manipulated the frequency levels of various compositions, showed that frequencies alone were not responsible for this physiological response.

ECONOMIST: Music as healing