直流的

A three-dimension orientation tracking device is developed based on the algorithm, in which the sensor employs a three-axes fluxgate magnetometer and a clinometer.

本课题在国内首次完整地创建了直流式六自由度电磁跟踪算法，实现了一套完整的直流式六自由度电磁跟踪系统。

Variable magnetic pole DC motor can resolve the problem of commutator existing in the traditional DC motor.

变磁极性直流电机解决了传统直流电机的换向器问题。

But because of some disadvantages such as their complex configuration, costliness, inconvenience of maintenance, they are gradually replaced by asynchronous machines.

传统的电梯采用直流电动机驱动，存在着结构复杂、制造成本高、可维护性差等系列不足，采用异步电机取代直流电机已是大势所趋。

In the settings when the DC measurements, the moving-coil meter has a shunt in parallel and serial multiplier, along with DC diode and the transformer works in inside.

在设置进行直流测量的时候，这个动圈式仪表并联了一个分流器和串联增效器，同时还有直流二极管和变压器工作于里面。

The results have good reference for the design of BLDCM and the performance enhancement of the BLDCM speed regulation system.

分析结果对无刷直流电动机设计和提高无刷直流电动机调速系统性能均有很好的参考价值。

Based on Wagner polarization principle, the reversible electrode and the clogged electrode were applied to polarize the silver bromide tabular grain emulsion micro-crystals in direct current field.

根据Wanger直流极化法原理，采用可逆电极与阻塞电极并用的方法，对溴化银 T颗粒乳剂微晶体在直流电场中进行极化，当离子电流为零时测得其电子电导率和空穴电导率。

In the case of sinusoidal wave BDCM, torque pulsation caused by different current errors, such as DC bias, amplitude, phase and function errors, is studied.

对正弦波无刷直流电动机，主要研究了各种电流偏差，例如直流偏置、幅值、相位和函数偏差下的电磁力矩波动。

Based on the mathematic model of BLDC motor, a combination of an improved BP neural network and a general PID con- troller is used in its speed servo system.

在分析无刷直流电机数学模型的基础上，采用改进型BP神经网络与传统PID相结合作为速度控制器，应用于无刷直流电机调速系统中。

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。

In ships,a rectifier can be parallelled with the AC power main to provide DC power for DC load.Thus the rectifier will generate large amounts of harmonic currents in the power line.

在舰船上，可以在一个给交流负载供电的电网上挂接一个整流器，以输出直流功率给直流负载。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。