交流阻抗谱结果显示在双向脉冲充电下，锂电极的表面积增长较直流充电时缓慢。
The results of the impedance measurement show that the surface area increases much slower in bipolar pulse current charge process than that in DC charge process.
由于直流电压源的钳位作用，交流侧输出电压波形为矩形波，并且与负载阻抗角无关。
Because the clamp effect of DC voltage source, AC side output the rectangular wave voltage waveform, and it has nothing to do with the load impedance Angle.
叙述了涂层金属耐腐蚀性的几种电化学测定方法，例如直流电阻法、交流阻抗法、电位时间法、充电曲线法。
Several electrochemical determination methods to test the corrosion resistance of coated metals were described, such as DC resistor, AC resistor, potential time and charging curve.
高压直流测量通常需要一个高阻抗的分压器，它对被测量的电路通常形成一个高电阻以便只有极小的电流被分流。
High-voltage dc measurements usually involve a high-resistance voltage divider which usually forms a high resistance to the circuit being measured and thus draws infinitesimal current.
特征：大电流，饱和压降低，输入阻抗低，直流电流增益高。
Features: high current, low saturation voltage, low on resistance, high hFE.
介绍了一种直流耦合跨阻抗光突发模式接收机。
In this paper, a novel DC coupled feedforward type optical burst mode receiver is presented.
文中提出了基于开关函数理论的HVDC换流器直流等值阻抗和交流等值阻抗计算方法。
The paper presents a method to determine equivalent DC impedance and equivalent AC impedance of HVDC converter viewed respectively from DC side and AC side based on switching function theory.
高压直流测量通常需要一个高阻抗的分压器，它对被测量的电路通常形成一个高电阻以便只有极小的电流被分流。
High-voltage DC measurements usually involve a high-resistance voltage divider, which usually forms a high resistance to the circuit being measured and thus draws infinitesimal current.
模拟输入：DC额定电压为0-10，24伏直流保护，以最大限度，输入阻抗20千欧姆；
Analog Input: Rated for 0-10 Volts DC, protected to 24 Volts DC maximum, input impedance 20k ohms;
依据输入滤波器输出阻抗极大值最小原则对基于阻尼补偿的直流发电机带恒功率负载系统输入滤波器参数进行了最优设计，给出了设计方法和流程。
Optimal design for input filter parameters in the system is accomplished to obtain the minimization of peak output impedance, and the design process is discussed in detail.
负阻抗会引起地铁车辆牵引变流器直流侧电压、电流振荡，降低牵引传动系统稳定性。
Negative impedances lead to DC-link voltage and current oscillation in metro traction converters and so to reduction of stability of traction drive systems.
高压直流（HVDC）输电换流器两侧的谐波阻抗对确定地磁感应电流（GIC）引发的谐波有重要意义。
The harmonic impedance on two sides of converters in HVDC transmission system is important in determinating the harmonics due to GIC (geomagnetic induced currents).
在晶体管电流源情况下，一(在直流)数兆欧阻抗典型。
In the case of transistor current sources, impedances of a few megohms (at DC) are typical.
在晶体管电流源情况下，一(在直流)数兆欧阻抗典型。
In the case of transistor current sources, impedances of a few megohms (at DC) are typical.
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