2) acoustic resonance
声谐振
1.
Experimental results show that lamp voltage and current in adoption of low-frequency square-wave can effectively avoid high intensity dis- charge lamp acoustic resonances from taking place.
实验结果表明,灯电压、灯电流采用低频方波可以有效避免高强度气体放电灯声谐振现象的发生。
2.
The acoustic resonance has been avoided effectively by changing the driving frequency of electronic ballast-frequency modulation.
简述了金属卤化物高强度气体放电灯的特点,提出了一种基于IR2104半桥控制芯片的高性能电子镇流器的设计方案,通过改变电子镇流器的驱动频率-频率调制技术,有效地解决了金属卤化物灯的声谐振的现象,最后给出了70W金卤灯的原理图和实验结果。
3.
The ballast,which can avoid intrinsic acoustic resonance problem of HID lamps,consists of a PFC converter and an inverter.
它包括一个PFC变换电路和一个T型逆变电路,使镇流器工作于最高声谐振频率点以上可有效避免高强度气体放电(HighIntencityDischarge,HID)灯的声谐振问题。
3) Acoustic resonator
声谐振腔
4) harmonic noises
谐波噪声
1.
The derivative of current deviation is directly controlled by voltage vector,and the control Pattern change over is made according to theamplithede area of current deviation so that the speed of current following is improved, and theharmonic noises are suppressed.
由于采用电压矢量直接控制电流偏差的导数,并根据电流偏差的幅值区域切换控制模式,从而不仅能提高电流跟随的快速性,而且抑制了跟随电流的谐波噪声。
5) harmonic noise
简谐噪声
1.
The dynamical resonance of a harmonic oscillator coupled to a heat bath with harmonic velocity noise and harmonic noise;
简谐速度噪声与简谐噪声环境中谐振子的动力学共振
6) extraordinary homophones
异常谐声
补充资料:谐声
1.六书之一。即形声。意符(即形符)和声符并用的造字法。 2.谓声韵谐合。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条