查询词典 current pulse

Transport of long-pulse,high-current electron beam in performed monatomic plasma channel in the ion focus regime.

刘盛纲 分别于1955年和1958年获得东南大学和电科技大学学士和博士学位，1980年当选为中国科学院院士，1986年起担任电子科技大学校长至今，目前的研究兴趣为微波等离子体及等离子体相关电磁相干辐射。

On the basis of the method, a simple neutral point balancing and narrow pulse elimination algorithm without current sensor is proposed.

在此基础上，本文提出一种无电流传感器的中点电位控制和窄脉冲消除方法。

We can get current optical path difference or pulse delay from the spectrum graph directly.

即通过采样的光谱图，可以得到当前状态下的脉冲延时。

Analyzed the pertinency about the grain structure of alloy Al-4wt% Cu between the pulse current, voltage, capacitance charged frequency, circuit oscillatory frequency.

分析了Al-4wt%Cu合金组织的晶粒尺寸和脉冲电流、电压、冲击频率以及电路自振荡频率之间的相关性。

It includes high power high voltage constant-current-charging system, capacitors bank, discharge control system, power supply of preignition for Xe-flashlamps, general control and diagnostic system. The power conditioning system drives flashlamps that pump the SSHCL. Flashlamps are driven by high voltage Silicon Controlled Rectifiers switched, resonant charged, discharge pulse forming network. The system uses microchip and digital circle which is based on CAN-bus for control and diagnostics. Energy diagnosis and thermal management are controlled by computers.

其中大功率高压恒流充电装置采用了L-C串联谐振电路，充电功率大，效率较高；储能装置采用了多节脉冲成形网络，可产生波形良好的强电流放电脉冲；放电控制装置采用高压大功率晶闸管，开关速度快，工作稳定；预燃与触发装置采用了开关电源电路，效率高、功耗小；总控与测量装置采用基于CAN总线的数字电路和单片机技术，控制冷却系统在激光器出光时对脉冲氙灯进行水冷，并对全系统进行控制和状态检测，同时具有过压、过流、过热等保护功能。

Because the formula of output voltage is the same as the one using other methods,the pulse width can be ascertained by choosing time constant based on the relation between voltage and current,and the proportional counter tube can be applied to different count ratio.

所得的输出电压的表达式与应用其他方法所得出的结果相同，因此可根据输出电压的波形与电路时间常数的关系，选择时间常数以确定输出脉冲宽度，使正比计数管适用于不同的计数率。

The current integrated well log instrument with multiple bus data transfer is improved by using pulse-code modulation and time division multiplex.

利用脉码调制技术和时分复用技术对现有的多总线数据传输综合录井仪进行改进，通过在井台区设置一个接口箱，使录井仪的主机柜与接口箱之间只用一根总线连接，变多总线数据传输方式为单总线数据传输方式。

Design of CSD Code FIR Digital Filter Based on Time Division Multiplex;2. The current integrated well log instrument with multiple bus data transfer is improved by using pulse-code modulation and time division multiplex .

利用脉码调制技术和时分复用技术对现有的多总线数据传输综合录井仪进行改进，通过在井台区设置一个接口箱，使录井仪的主机柜与接口箱之间只用一根总线连接，变多总线数据传输方式为单总线数据传输方式。

First,apply PLC regulate to speed to alternate current motive, the system adopted PANASONIC PLC, series of FP∑as core,control small-scale model VF0 frequency converter PWM fan-out of pulse,and control AC motion control system's speed , use the rotatory encoder of Omron formed the speed reactive circuit.

可编程控制器是一种数字运算操作的电子系统，专为在工业环境下应用而设计，它采用可编程存储器，用于其内部存储程序，执行逻辑运算，顺序控制，定时，计数与算数操作等面向用户的指令，并通过数字或模拟式输入/输出控制各种类型的机械或生产过程。

Pulse Width Modulation technique is one of the most important contents in the digital current control. Two PWM algorithms–Asymmetric Regular Sampling PWM and Space Vector PWM, is described. in detail, and then a fast algorithm of Space Vector PWM is got by combining the advantages of the two algorithm.

脉宽调制技术是数字电流控制中的核心内容，文中详细分析了非对称式规则采样法和空间矢量法两种PWM调制方法的原理和计算方法，在对这两种方法比较的基础上，介绍了一种空间矢量PWM的快速算法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。