您要查找的是不是：
- zero current amplifier 零电流放大器
- The frequency at zero current is 60[kHz]. 零电流的频率为60 [千赫] 。
- Maglev chopper is the switch mode current amplifier on EMS maglev train,and the input current ripple is significant. 悬浮斩波器是EMS型磁浮列车上的开关型电流放大器,由此造成输入电源的电流纹波较大。
- A flyback converter with zero current switching (ZCS) resonant and power factor correct (PFC) is proposed. 提出了一种具有零电流关断(ZCS)的反激式单级功率因数校正(PFC)变换器。
- The characteristics of a new zero current switching (ZCS) - PWM cell are analyzed. 分析了一个新的零电流开关(ZCS)单元电路的特性。
- Furthermore, reverse recovery losses of main diodes are minimized, and auxiliary switches commutate at zero current. 此外，续流二极管的反向恢复损耗被降低到最小，辅助开关也实现了零电流开关。
- This method is similar to the current-reversal method except that the measurements are alternated between a fixed source current and zero current. 这种方法和电流反向法类似，只是这种方法在固定的源电流和零电流之间交替进行测量。
- The paper presents a novel ultra-audio frequency (UAF) induction welding power based on ZCS-PWM(Zero Current Switching-Pulse Width Modulation) technology. 介绍一种基于ZCS-PWM(零电流开关-脉宽调制)技术的新型超音频感应焊接电源。
- A phase shift converter can achieve zero voltage switching on the leading leg and zero current switching on the trailing leg by utilizing the reverse avalanche characteristics of IGBT. 利用IGBT的反向雪崩特性，实现伪相移变换器前臂零电压、尾臂零电流开关，使IGBT可在高开关频率下运行，且降低了开关损耗。
- The feature of zero current switching in the rectifier stage was implemented by inserting short periods of zero switching states around the points at which the rectifier stage commutes. 在此设计了一种特殊的换流策略,即在整流级换流前后,在逆变级插入零开关状态,保证了整流级的零电流换流特性。
- Design of Practical Direct Current Amplifier 实用直流放大器的设计
- capacitively-sourcecoupled current amplifier 容性耦合差动电流放大器
- Sleep mode with zero current drain 零耗电的睡眠模式
- potentiometric titration at zero current 零点电流电位滴定
- The mercury dived to ten below zero. 温度突然下降到零下10度。
- Controllable Current Amplifier for Magnetorheological Damper 用于磁流变液体阻尼器的可控电流放大器
- The methods of separation zero current 零线电流分离法
- input zero current digital voltmeter 输入零电流数字电压表
- Now, men, zero in your guns at that ship. 喂，伙计们，把炮口对准那艘船。
- It was five below zero last night. 昨夜温度是零下五度。
