和电路

Otherwise, please check the drive control circuit and servo circuits are normal.

否则，请检查光驱控制电路和伺服电路是否正常。

At the same time, the RC-time control circuit can control the temporary and steady time of the IC555 and set the the water supply time to achieve the purpose of measuring the water supply and supplying water on compensation.

同时，RC时间控制电路对单稳态电路的暂稳态时间进行控制，设定供水时间，达到计量和有偿供水的目的。

FIG. 7 is a timing chart showing a correlation between an operation timing of a receiver circuit and an operation timing of the PLL circuit in connection with the behavior of the frequency convergence of the PLL circuit.

图。 7是一个时序图呈现出相关关系的一项行动的时间，一个接收电路和一项行动的时机锁相回路涉嫌与行为的频率衔接的锁相环电路。

Focuses on the structure of the temporary emergency power distribution system, charge-discharge control method, charging circuit devices, the regional distribution system of the structure and power distribution board control circuitry.

着重介绍临时应急配电系统的结构、充放电控制方式、充电装置电路、区域配电系统的结构和配电板控制电路。

Based on the comparison between several present schemes controlling DC motor with PWM, a design scheme for drive circuit fit to EPS is presented, in which both low side and high side are N-MOS and high side is either in fully-off or fully-on state while low side is controlled by logic circuit.

在分析电动助力转向系统电机驱动电路性能和可靠性要求的基础上，对比常用的PWM控制直流电机的优缺点，提出了电动助力转向系统驱动电路的设计方案：上、下管均采用N沟道MOS管，上管常通或常闭，下管由PWM逻辑电平控制。

I nformation super high way is a large scale nation wide or world wide electronic communications network system that com bines high speed channels of optical fiber cables, intermediate and low speed channels of medal cables and wireless trans mission capable of transmitting just about any form of recorded data.

越来越多的网民使用人们所知道的信息高速公路，信息高速公路是一种大规模的全国范围甚至全球范围电子通信网络系统，它集光纤电缆高速电路，金属电缆中底速电路和无线电传播于一体，可以传送任何形式的记录信息。

Cuit model are derived. The model and the corresponding formulations facilitate leading the ladder type and the

等值电路模型，并推导了模型参数的计算公式，根据这些计算公式和多边形等值电路模型，可进一步推导出

The oxygen sensor we made has the characteristic of small volume, stable, small oxygen consuming, inexpensive, easy to made and simple hardware cir- cuit.

本研究所制作的传感器具有体积小，工作稳定，耗氧量低，成本低廉，制作相对简单，测量电路和信号调理电路搭建容易等特点。

In the motor drive controller, current sampling cir- cuit protecting circuit, pressure adjusting circuit and signal insulating circuit are made up of DSP and its peripheral circuit. CPLD is employed to deal with the brushless DC motor＂ s rotor position signal in order to realize.

电机驱动控制器采用微控制芯片和外围电路构成了电流采样、过流保护、压力调节等电路，利用CPLD实现无刷直流电机的转子位置信号的逻辑换相。

Base on the analysis of the grating linear displacement measurement theory,t he measure errors especially the subdivision error of the grating scale,this paper focuses on the theory of switch and merge of dual grating scales'signals,builds the design criteria of high speed high precision displacement measurement by using dual grating sales,designs the switch picking reference with high precision and fast switch and merge method,analyses the errors brought in by switch and merge of the duals grating scales.

针对光栅尺的电子细分信号具有细分误差的特性，本文提出了对莫尔条纹信号不细分的方法以提高双光栅尺信号切换合成值的精度。经过对双光栅计数切换基准、切换与合成特征和规律的探讨，本文设计了实现双光栅尺双重测量、计数值切换合成法的硬件电路，主要通过可编程芯片FPGA，设计了双光栅尺信号处理的各电路模块，如双光栅尺信号四倍频辨向模块、速度判断模块、切换模块、计数值合成处理模块。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。