audio noise meaning in English
声频降噪系统
Examples
- Its test results indicate : voltage mode inverters with high frequency link have the advantages such as high frequency electrical isolation , simple topology , two - stage power conversions , high power density , bidirectional power flow , good line current waveform , low audio noise , high converting efficiency , and high input power factor etc . this kind of converter lay the key technical foundation on new type high power density , high efficiency and low cost asi
设计的1kva270v 10 % dc / 115v400hzac单极性移相控制双向电压源高频环节逆变器原理试验表明,这类逆变器具有高频电气隔离、电路拓扑简洁、两级功率变换( lfac / hfac / lfac ) 、功率密度高、双向功率流、音频噪音低、变换效率高、网侧功率因数高等优点,为新一代高功率密度、高变换效率、低成本航空静止变流器奠定了关键技术基础。 - The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation . simple topology , two - stage power conversions , high power density , bidirectional power flow , good line current waveform , no audio noise , high converting efficiency , and high input power factor etc . this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply , electronic transformer , ac regulator , and wave converter etc
试验表明，这类变换器具有高频电气隔离、电路拓扑简洁、两级功率变换( lfac hfac lfac ) 、功率密度高、双向功率流、无音频噪音、变换效率高、网侧功率因数高等优点。为新一代正弦交流稳压器、电子变压器、交流调压器、同频波形变换器的实现奠定了关键技术基础。 - This kind of converter has the advantages such as high frequency electrical isolation , simple topology , two - stage power conversion ( lfac / hfac / lfac ) , high power den sity , bi - directional power flow , soft commutation of output cycloconverter , uni - polarity spwm waveform , no audio noise etc . the correction and advance of the new concept of the 220v + 10 % ( 50hz ) / 220v ( 50hz ) uni - polarity phase - shifted controlled voltage mode ac / ac converter with high frequency
这类变换器具有高频电气隔离、电路拓扑简洁、两级功率变换( lfac hfac lfac ) 、功率密度高、双向功率流、输出周波变换器实现了zvs换流、单极性spwm波、无音频噪音等优点。