当你用跨导运算放大器作为可编程动态电流源时你会发现很多问题。
If you need a programmable dynamic current source, find out about operational transconductance amps. Most of the problem is figuring out when you need a programmable dynamic current source.
动态电流监测器能瞬时反映出负载跳变状态，更容易判断手机板的故障部份。
Dynamic current monitor reflects transient loading current instantly to judge the faulty parts of mobile circuit board easily.
通过比较两者平均动态电流的大小，我们能够区分出故障电路和无故障电路。
By comparing the average transient power supply currents, we could distinguish a fault circuit from a fault free circuit.
本文利用波形模拟器改进并实现了一种基于逻辑跳变计数的动态电流测试方法。
Based on this waveform simulator, the paper made some improvement on a dynamic current testing method based on counting logical changes and implemented it.
同时针对直流侧三重化斩波三相电流环流问题，确立采用动态电流均流的控制策略。
Meanwhile in allusion to the problem of uniform triphase chopping circulating current in DC side, dynamic share current control strategy was employed.
组合逻辑电路的最大动态电流测试应在电路的原始输入端施加一个特定的测试序列才能实现。
A special testing sequence input is need for measuring maximum dyna - mic current of a combinational logic circuit.
设计了动态电流滞环pwm控制算法对直流侧电压进行控制，有效地保证了直流侧中点电位的平衡。
A dynamic hysteresis-band current PWM control arithmetic is also designed to control the voltage of the DC bus, which keeps it steady effectively for the voltage of the neutral point of the DC bus.
对于这些测试向量对，通过SPICE软件模拟了故障电路和无故障电路在测试向量对作用下的动态电流。
SPICE experiments were done to simulate the dynamic currents of both the fault circuits and fault free circuits under the function of testing pairs.
此外，对动态电流故障诊断算法提出特征空间和特征曲线的概念，以实现对动态电流信号中的故障信息的有效提取。
Moreover, in IDDT diagnosis, the conception of fault feature curve and feature space is proposed to diagnose the fault in the analog and mixed-signal circuit.
详细论述了卷取机动态力矩的数学模型及在控制系统中的实现问题，最后给出了采用CAD计算动态力矩和动态电流、确定相关工艺参数的方法。
The mathematical model on the calculation of recoiler dynamic torque(DT) and dynamic current(DC) are discussed. The calculation method on DT and DC by means of CAD is presented.
因为移动的电荷会产生电流，变化的磁通量会产生电压，新的设备会从电流中产生电压，像电阻一样，不过是以更加复杂、动态的方式。
Because moving charges make currents, and changing magnetic fluxes breed voltages, the new device would generate a voltage from a current rather like a resistor, but in a complex, dynamic way.
指出系统的动态性能是随着负荷电流变化而改变的。
It is indicated that dynamic property is changeable with load current.
仿真结果表明，所设计的滑模变控制器使助力电机具有很好的动态性能，系统基本无抖动现象，实现了助力电机输出电流对目标电流的跟踪特性。
The simulation results show this control system has good dynamic property and negligible vibration, and efficiently makes the output current of direct motor trace the intent current.
虽然未进行电流控制，但控制器仍具有较高的动态性能。
The control system have a good dynamic performance without current control loop.
试验结果表明，瞬时能量可以综合地反映电流电压对电弧动态性能的影响。
The experimental results indicate that the instantaneous energy can synthetically reflect the influence of current and voltage on dynamic arc characteristics.
进行了隧道电流传感器的静态、动态特性的检测试验，并对传感器静态特性进行了标定。
Testing experiments were carried out to observe the static, dynamic characteristics of the tunneling current sensor and the static characteristics is calibrated.
本论文提出了一种新型的真空断路器结构，该结构可以利用触点电流在线动态补偿触点压力。
In the paper a new structure of the developed vacuum circuit breaker with the on-line dynamic contact force compensation by means of the contact current is presented.
这种模型可以采用和直流电动机动态设计同样的原理进行电流环及速度环的设计。
This model permits the design of the current and speed control loops to adopt the same principles as the dynamic design of armature DC motor drives.
提出了一种扩大磁光式电流传感器动态范围的方法。
A new method to extend the dynamic range of the magneto-optical current sensor is presented.
实验结果表明：该系统精度高，动态响应快，谐波电流小。
Experimental results shown that this system is of high precision, quick dynamic response and low current harmonic.
可控饱和电抗器在动态无功补偿、电机软启动、小电流接地选线等方面具有广阔的应用前景。
Controllable saturated reactor is widely used in dynamic reactive power compensation, induction motor soft-starting and fault line selection of small current grounding system.
它具有动态电源管理(dpm)、利用脉宽调制控制(PWM)充电电流和电压、耗尽电池检测等功能。
It has functions of dynamic power management (DPM), depleted battery detection and pulse width modulator (PWM) to accurately control battery charge current and voltage.
基于自适应噪声对消技术及人工神经网络(ANN)理论，提出了一种谐波电流动态检测方法。
Based on self adaptive noise countervailing method and artificial neural network (ANN) theory, this paper proposes a new approach to the dynamic detecting harmonics.
为提高系统高频动态特性，提出了低偏置电流工作方式。
The low-bias current control method is proposed in order to improve system high frequency dynamic performance.
位置环实现精确位置控制，速度环实现快速跟踪，电流环实现快速动态响应。
The precise position control was performed by position regulation, and the fast trace was realized by speed regulation, and the fast dynamic control was implemented by current regulation.
电路设计中使用单位电流源阵列和数字同步控制单元来提高电流源的匹配性和动态范围；
In the circuit design, unit current source arrays and digital synchronizing cells are used to improve the matching and dynamic range of DAC.
最后在系统实验基础上，给出了PWM波形、驱动波形、在一定转速下的相绕组电流波形以及系统的动态特性，步卜作一了分析。
PWM waves of DSP , drive waves , the current waves of each phase in a speed and curve of speed trait are given and analyzed at the end of article.
采用交流阻抗技术结合恒电流阴极充氢和动态阴、阳极极化法，研究了工业纯钛在海水中的阴极极化性能。
The cathodic polarization character of industrial pure titanium in sea water was studied by meas of ac impedance technique, galvanostat cathodic charging and dynamic polarization technique.
弧焊电源一次逆变控制电流快速动态过程，二次逆变控制电弧极性。
Dynamic process of current is controlled quickly by the first inverter, and arc polarity is controlled by the second inverter of arc welding power source.
弧焊电源一次逆变控制电流快速动态过程，二次逆变控制电弧极性。
Dynamic process of current is controlled quickly by the first inverter, and arc polarity is controlled by the second inverter of arc welding power source.
应用推荐