查询词典 DC

Design DC/DC circuit using converter module. At last we give the accurate circuit using TL1451 and give the important testpoint's waveform.in term of the frame of the digital camera.

论文最后根据数码相机驱动电路的机构，设计出由具体芯片构成显示驱动电路和详细分析了所设计驱动电路的工作原理。

The driving part is made up of leveling driving seat, decelerate machine, YWZ arrester, coupling, drive distributing box, shafts and sheath connector, universal cross transmission shaft etc. The main motor is equipped with DC timing motor in high power and DC numerical control system imported from England which has the qualities of rotate speed adjustment, low current in startup, large torsional moment and suits specially for continuous startup under the situation of high load.

驱动部分是由高程驾驶座位，减速机， ywz避雷器，耦合，驱动配电箱，槽及护套管接头十字万向传动轴等主电机配备直流调速电机在高功率直流数值控制系统输入来自英格兰有素质的转速调整，低电流启动大扭矩，特别适合连续开机的情况下，高负荷。

So the smaller turns ratio of the flyback transformer in the forward-flyback hybrid bi-directional DC-DC converter helps to transfer power with higher efficiency.

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。

The distribution proportion of the transferred power in the forward transformer and flyback transformer is varied with the turns ratio of the transformers.

改变正反激组合式双向DC-DC变换器中正激和反激变压器的匝比配置，可以改变正激变压器和反激变压器传输功率占输出功率的比例。

In these converters, which were discussed in detail, the average dc output voltage Ud is controllable in magnitude and polarity, but the dc current Id remains unidirectional.

这些变流器前面已经详细地讨论过，其平均输出电压的幅值，极性是可变的，但是直流电流 Id 是单向的。

A DC-to-DC converter includes a pulse width modulation circuit cooperating with at least one power switch for supplying power from a source to a load over a range between a lower limit and an upper limit to thereby control an output voltage for the load.

一种直流-直流转换器，包括一个与至少一个的电源开关协作，以在一个上限和下限的范围内由电源向负载供电，从而为负载控制输出电压的脉宽调制电路。

The key of establishing a DC high voltage standard is to calibrate the DC high voltage standard divider,the main traceable device,with high accuracy.

建立直流高电压标准的关键是要解决直流高电压的量值溯源问题。

This subject introduces a kind of nc dc voltage stabilizer, the power supply, by simulation showed circuit, control circuit and digital-to-analog circuit, amplifying circuit four parts, mainly is a set of singlechip intelligent dc power supply.

本课题将介绍一种数控直流稳压电源，该电源由模拟电源、显示电路、控制电路、数模转换电路、放大电路四部分组成，主要是一套以单片机为核心的智能化直流电源。

The frequency conversion control of washing machine is pass power source voltage communication -- dc -- communication, or communicate -- the electromotor that washing machine brings to bear on again after dc inversion if not have

洗衣机的变频控制是将电源电压经过交流——直流——交流，或交流——直流逆变后再施加到洗衣机的电动机如无

With reference to this fact, two new feedforward methods are presented in this thesis.

最后，本论文对电流型控制DC/DC 变换器的混沌现象进行了分析。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。