As described in Section 1 of this handbook, measurements made from high resistance sources include low DC voltage, low DC current, high resistance, and charge measurements.
正如本书第一章所述，高源内阻的测量包括：低直流电压、弱直流电流、高电阻和电荷的测量。
Aiming at the low DC boost capacity, serious starting-up inrush current and low DC voltage utilization of traditional Z-source inverter, an improved topology of Z-source inverter is proposed.
针对传统Z源逆变器的直流升压因子较小、启动冲击严重、直流侧的电压利用率较低等缺点，提出了一种改进型的Z源逆变器拓扑。
This paper introduces the composition and function of DC. low voltage network intelligent management system.
文章介绍了直流低压网络智能化管理系统的组成和功能。
It has been shown that the designed DC switching mode converter has a stable output voltage frequency, small ripple, high operating frequency and low power consumption.
结果表明，所设计的直流开关型变换器集成模块输出电压稳定、纹波小、工作频率，高、功耗低，且体积小。
It can achieve a fixed output of DC voltage in the universal input range of ac 80 ~ 265 V. It owns the advantages of high efficiency, low total harmonic distortion, PF near to 1.
该方案能在80 ~ 265V宽输入电压范围内得到稳定直流电压输出，具有效率高、总谐波畸变率低、功率因数接近为1等特点。
Each control or module adopts DC 24v low voltage module, safe and reliable, easily to be maintained directly.
各控制组件均采用直流24v低压组件，安全可靠，便于直接维修。
In electronics, a circuit for converting AC voltage to low voltage DC in such a way that the output is regulated to minimize noise and voltage fluctuation.
在电子技术中，把交流电转换成低电压直流电的一种电路。这种电路的输出是经过调整的，使它的噪声及电压波动都很。
The ac adapter (as it's more accurately known) simply converts the ac current from a wall outlet into low-voltage, low-amperage DC current that it provides via a USB port.
AC适配器(这是交流电源更准确的说法)只是把来自墙上插口的交流电转化为低伏特、低安培的直流电源，并通过USB接口充入手机。
Low voltage DC power is also provided for control power and emergency power.
低压直流电作控制电源和应急电源。
The replica-amplifier gain enhancement technique is applied to improve the DC gain of the amplifier, which does not degrade the output swing and is very suitable for low-voltage applications.
为了提高运放的直流增益，采用了复制运放增益增强技术，这种技术的特点是在提高增益的同时不影响输出摆幅，非常适合低电压场合。
The device USES DC current to heat the resistive heating element, and is operated at relatively low voltage levels and low current levels.
该装置使用DC电流来加热电阻加热元件，并且以相对低的电压水平和低的电流水平操作。
When semiconductor chilling plate is used in parallel connection mode, a DC power supply with a low voltage and high current has to be available.
半导体制冷片多个并联使用时，需要低压大电流的电源提供直流工作电压，为此我们设计了1。
DC DC convertors can convert the EV's high voltage DC power supply into the low voltage DC power supply. In order to design an excellent convertor one must be guided by theory of automatic control.
为了设计出在电动汽车上把高压直流电源变换成低压直流电源的高品质DC DC变换器，采用自动控制理论进行指导。
Safe; Low voltage dc 12V power supply , so it's very safe.
安全；采用低压直流12V供电电压，因此使用上非常安全。
The present invention has no intermediate DC link and thus simplified circuit, low cost, less harmonic component in the voltage anc current waveform and high power factor.
本发明所设计的波形变换方法及其装置，省去了中间直流环节，使线路得以大大简化，显著降低了成本，同时使电压、电流谐波得以减小，并可获得较高的功率因数。
High voltage low power DC-DC converter is designed for converting low voltage DC current into high voltage one.
高电压小功率DC - DC电源变换装置，是一种利用低压直流电源产生高电压的电源装置。
Each control module adopts DC 24V low voltage module, safe reliable, easily to be maintained directly.
各控制组件均采用直流24v低压组件，安全可靠，便于直接维修。
Features: High DC current gain, excellent hFE linearity, low saturation voltage.
特点：直流电流增益高，放大线性好，饱和压降低。
The DC system is normally supplied from a battery charger system, which is supplied from the low voltage AC system.
直流系统通常由蓄电池充电系统供电，蓄电池充电系统由低压交流系统供电。
Features: High DC current gain and excellent hFE linearity, low saturation voltage.
特点：直流电流增益高，放大线性好，饱和压降低。
The low voltage DC system is one of the most important equipments in converter station, which is closely associated with the safety and stability of DC transmission system and correlative AC system.
低压直流输电系统是换流站内重要设备之一，直接影响到整个直流输电系统及相关交流系统的安全稳定运行。
Simultaneously, the second order notch filter and low-pass filter are designed to filter the second order rippled DC voltage signal.
同时，设计了用于牵引逆变器控制的二次数字陷波器以及低通滤波器滤除直流电压信号的二次脉动。
The safety performance of low-voltage DC power equipment is the very important composition part of its product quality whether good or not.
低压直流电源设备的安全性能是其产品质量好坏的重要组成部分。
Features: high DC current gain, low saturation voltage, high col lector power dissipation.
特点：高直流电增益，饱和压降低，高集电极。
The paper introduces the saturable magnetic circuit method to measure the DC resistance of low voltage winding of large-size transformer with a practical application.
介绍了一例用助磁法测量大型变压器低压侧直流电阻的接线、仪器、测试过程和测试结果，讨论了助磁法运用于实际应注意的一些问题。
Radiationless: no infrared rays, no ultraviolet rays, protect skin. DC low-voltage circuit design, have no high-pressure electromagnetic radiation on brain.
无辐射：无红外线、紫外线，保护皮肤。直流低压电路设计，对大脑无高压电磁辐射。
Features: Low saturation voltage, excellent DC current gain characteristics.
特点：饱和压降低，直流电流放大线性好。
Using suspension of RBC as a "model solution system", a high voltage DC electric field is introduced into its low-cooling-rate freezing process.
本文以红细胞悬液为研究模型，通过在对其进行慢速冻结的过程中引入静电场，具体研究了静电场对降温过程中红细胞悬液冻结特性的影响。
First, rectified DC voltage are compared with the given value and subtraction, and then obtained voltage control value after get through a low-pass filtering and the error amplifier.
首先将整流直流电压的测量值与给定值进行比较并相减，再经过具有低通滤波功能的误差放大器后得到电压控制量。
Purpose: Low voltage output amplifier, audio muting, DC-DC converter.
用途：用于低电压输出放大，音频静音，直流-直流转换。
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