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1·The high frequency noise contains current ripple noise and thermal noise.

高频噪声包括电流纹波与热噪声。

2·Secondly, the low duty cycle leads to the high voltage and current ripple, and enlarges the filter size.

整流输出的电压、电流脉动大，需要增大滤波器的体积；

3·Different from conventional two-level PWM switching power amplifier, the switching power amplifier can achieve current ripple reduction.

传统两电平脉宽调制电磁轴承开关功放的电流纹波较大，导致电磁轴承中产生的纹波损耗较大。

4·Experimental results show that this digital power amplifier has the characteristic of low current ripple, quick current response and high stability.

实验结果表明，数字功率放大器具有电流纹波小、稳定性能好和电流响应快等优点。

5·The influence on the power transfer and the current ripple with different turns ratio was researched. The experimental results verified the analysis.

文章研究了采用不同的正激、反激变压器匝比对传输功率的分配比例、电流纹波等影响，并进行了试验验证。

6·Considering the resistor of switch, resistor of inductance and current ripple of inductor, we could get ideal transfer function and non-ideal transfer function.

考虑开关电阻、电感电阻及纹波寄生参数的影响，推导出理想与非理想传递函数。

7·The simulation results show that the improved control system significantly reduces the torque ripple, current ripple and effectively decreases the inverter switching frequency.

仿真结果表明：改进后系统使逆变器开关频率减小，损耗降低，转矩有明显的改善。

8·The inverter arc welding power source is the new power source and features high speed, small DC current ripple, stable arc, light weight, small capacity and low power consumption.

逆变式弧焊电源是新一代的弧焊电源，其特点是速度快，直流输出电流波纹小，电弧稳定，质量小，体积小，能耗低。

9·By analyzing the current ripple of the inductor and voltage stress of switches at the same conditions, the reduced value of the current ripple and voltage stress with three-level topology can be got.

通过三电平拓扑和传统两电平拓扑电路的对比分析，得出了相同先决条件下这两种拓扑中开关管电压应力和电感电流可减小的幅度。

10·By analyzing the current ripple of the filter inductor on the condition that the phase shift is different, the reduced value of the current ripple with the interleaving modulation strategy can be got.

通过分析变换器在不同开关相角下滤波电感电流脉动的大小，得出了在同样的电流脉动要求下，采用交错开关方式与采用传统开关方式相比，滤波电感可减小的幅度。