step current造句
例句与造句
- 3 . a coating defect detection method which uses small amplitude lasting sine or step current is used , whose feasibility is testified during practical process . 4
采用小幅度正弦恒电流激励和恒电流阶跃激励的涂层缺陷检测方法，并在实用过程中证明了该方法的可行性。 - Combinations of igbts controlled by four - step current commutation algorithm , was implemented by the cpld , which was also forecasted and validated by the simulation and experiment
为进行对矩阵式变换器系统的实验研究，采用cpld (复杂可编程逻辑器件)实现了igbt组合双向开关的四步换流逻辑控制，并通过仿真和实验进行了预测和验证。 - Due to the lack of the true bi - directional switches at present , the combinations of igbts controlled by four - step current commutation algorithm were adopted in the simulation , which made the study very close to the reality
针对当前尚无双向开关器件的现状，仿真中首次采用了igbt组合双向开关并应用四步换流控制实现开关的安全切换，仿真结果非常贴近实际。 - Transient electromagnetic methods ( tem ) can be called as time domain electromagnetic methods . the exploration equipments of tem include two units : transmitter and receiver . emission current falls down from i to 0 suddenly when step current passes through the transmitter loop
瞬变电磁探测需要发射的电流激励信号要足够强、功率足够大,发射电流波形的关断时间要求比较苛刻,而且发射部分还需提供实时监测发射电流、关断时间,记录电流下降沿等功能。 - 5 . in step current detection , intelligent pattern recognition capacity of artificial neural networks is utilized , then man - made factors are eliminated during judging the quality of pipeline coating , as well as avoiding numerous iterant calculations in curve imitation . therefore , the speed of judging coating quality is accelerated greatly
在恒电流阶跃激励检测中，利用了人工神经网络的智能模式识别的能力，使得在管道涂层状态判断中消除了人为因素，同时避免了曲线拟合中的大量重复性计算，大大提高了涂层状态判断的速度。 - It's difficult to find step current in a sentence. 用step current造句挺难的
- According to the space vector modulation method of the equivalent structure of the ac - dc - ac transformation , the transformation relations of the matrix converter are deeply investigated . the ac - ac direct conversion control and the double - space - vector pwm scheme of the matrix converter are deduced , the four - step current commutation strategy of matrix converter is expatiated , the design method of input filter and over voltage protection circuit is analyzed , and the modeling and simulation of a three - phase matrix converter are implemented
从等效交-直-交变换的空间矢量调制方法出发，深入分析了矩阵式变频器的变换关系，导出了交-交直接变换控制规律和双空间矢量脉宽调制技术，阐述了矩阵式变频器的换流控制策略，分析了输入滤波器和过电压保护电路的设计方法，实现了矩阵式变频器的建模和运行分析。 - The adaptive setting algorithm and realizing strategy of adaptive protection function use local information of adaptive protection device , information of substation , status messages and topology connection relations coming from scada system offered by centralized control center to adapt to changes of topology structure , system impedance and fault type by amending the settings on line . the adatpvie protection algorithm of the device is adaptive three - step current protection
所提出的自适应整定算法、系统级自适应保护功能实现策略综合利用供配电线路自适应保护装置本地信息、变电站站内信息与集控中心借助scada系统提供的一次、二次设备状态信息及拓扑连接关系,自动在线计算并修正保护整定值,实现了对电力系统拓扑结构、运行方式及故障类型变化的自适应。