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- DC motor speed to achieve the first to convert AC DC, which requires rectification circuit. 要实现直流电机调速首先要把交流电转换为直流，这就需要整流电路。
- PWM microelectronic c ontrol technique and AC DC AC DC invert technique with MOSFET half bri... 具有短接限流、限时衰减和恒流、恒压相结合的特点。
- The bandwidth, response time, input resistance, voltage gain and operation error for the DC amplifier are presented. 对放大器的频带宽度、响应时间、输入阻抗、电压增益和运算误差等动态参数进行了分析计算。
- Because of signal proportional valves with the ratio between the need to install DC amplifier, a corresponding increase in investment costs. 由于在输入信号与比例阀之间需设置直流比例放大器，相应增加了投资费用。
- In the system,Intel 80C196MC is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter. 该系统以80C196MC为控制核心，采用IPM智能功率模块为功率元件，组成了交?直?交电压型逆变器主回路。
- Moreover, it has a whole page perfect push pull DC amplifier stream composition in circuitry, a modification of a nakedness property is aimed at, and the amount of NF is reduced. 此外，它有一个完美的整页拉推流直流放大器组成的电路，修改赤裸财产的目的是，和数额的NF降低。
- Violent power oscillation will occur in independent AC DC combined power supply and may hamper the normal operation when the parameters of the generator and the DC motor load do not match. 交直流一体独立发电机系统在发电机和负载参数不满足一定条件时 ,会发生发电机和反电势负载之间的大幅度功率振荡 ,破坏系统的正常工作。
- A Novel PWM ZVS AC DC Converter with PFC 新颖的含PFC的PWM ZVS AC-DC变换器
- A DC Amplifier Used in Microwave Measurement 用于微波检测的直流放大器设计
- AC DC dual purpose electric motor vehicl 交直两用电车
- drift compensating type DC amplifier 漂移补偿式直流放大器
- Analysis and Design of a 500W AC DC Unity Power Factor Converter 500W 单位功率因数 AC-DC 变换器分析与设计
- Other subsidiary facility can be driven by DC amplifier output 直流放大器输出,可驱动其他设备
- Methods for restraining dc drift in high-gain dc amplifier 一种抑制高增益直流耦合放大电路中直流漂移的电路
- The Development of a High-Precision,High-Sensitivity DC Amplifier 高精度高灵敏度直流放大器的研制
- A balanced diet provides nutrition for your body. 均衡的食物使你的身体获得营养。
- He cast and balanced till midnight. 他算帐算到半夜。
- I bought an amplifier yesterday. 我昨天买了一个扩音器。
- The dolphin balanced the ball on its nose. 海豚用鼻子顶着球，使其保持平衡。
- Automatic exchange for DC and AC supply. 直流电源与交流供电能自动转换。
