电路的

The transient design problems of high-frequency transformer and its buffer circuit of main circuit are discussed in detail and the influence of variation of the elements parameters on the main circuit transient behavior is explored qualitatively and quantitatively.

围绕逆变电源主电路动态过程的设计问题，重点讨论了功率脉冲变压器及其缓冲电路的设计要点，定性和定量地探讨了器件参数变化对主电路动态过程的影响，在仿真的基础上，实现计算机辅助优化设计。

This paper mainly discusses the designing scheme and the realization method of the information processing board—the data collecting and processing centrum in the system,including hardware and software.

本文着重分析了系统中数据采集与处理的中枢—信息处理板的设计方案和实现方法，包括硬件和软件两方面。硬件主要包括陀螺数据、加速度计数据、温度数据的采集电路，外部通讯接口电路和用户程序引导装载电路的实现。

This thesis analyzes the background and research situation of the backlight home and abroad, and investigates the radiation principle, the driver topologies and resonant circuit of cold cathode fluorescent lamp.

本文分析了背光电源的研究背景、研究现状，研究了冷阴极荧光灯的发光原理、驱动电路的拓扑结构和谐振电路，并对冷阴极荧光灯建立了仿真模型，来优化设计冷阴极荧光灯的驱动电路。

The integrated circuit also has at least a second current feeding circuit having an output connected to the feeding point for the first current feeding circuit, a feeding point connectable to a feeding voltage, and a control input for controlling the programming of the NPN-transistor.

所述集成电路还包括至少一第二电流馈电电路，所述第二电流馈电电路具有一连接至所述第一电流馈电电路的所述馈电点的输出端、一可连接至一馈电电压的馈电点及一用于控制对所述NPN晶体管进行所述编程的控制输入端。

This paper theoretically studies the design of the negative coefficient fourfold differential circuit formed by single operational amplifier.

从理论上研究了单块集成运算放大器构成的负系数四次微分电路的设计，着重分析了该电路的直流误差，并给出了电路的设计公式。

The characteristic of the method is that driving condition and clock pulse for flip-flops are obtained at first hand by means of the state transitio n drawingand that designing asynchronous sequential cir-cuits and synchr onous sequential circuits can be unified.

时序逻辑电路可分为同步和异步，然而采用传统的时序电路的设计方法时，即使是同步时序电路的设计也需要7步[3]，要进行复杂的计算来求状态方程、驱动方程，既繁琐又容易出错；对异步设计就更为复杂了。

Because the Hall probe circuit, magnetic-flux meter circuit and extension measurement circuit share the same A/D converter, but MAX110 only have two channel, so the system use CD4052. CD4052 is the analog switch controlled by microcomputer, which can switch the three input channels. The singles is passed to microcomputer after A/D converted.

所有与模拟电路有关的低频接口控制线都采用光电耦合器TPL521进行隔离，而频率较高采用6N137构成单片机相关外围器件的隔离，以便抑制数字电路的尖脉冲和其他噪声对模拟电路产生干扰，提高系统的信号噪声比。

The design of high frequency conversion power adopting full bridge of IGBT whose driven circuit adopts M57962L module is presented in this paper. The working principle and simulation of this circuit is also analyzed in detail. This system is a basis for the research of smaller and smarter ozonizer power supply.

提出了一种主电路采用IGBT全桥结构，驱动电路采用M57962L模块，利用单片机控制技术的高频逆变电源的设计方法，同时对电路的工作原理作了分析与仿真，该电源系统为小型化和智能化臭氧发生器电源的研究提供了基础。

The main part of the hardware designs are about communication circuit design and Reset circuit design of the sink node, processor and power supply unit design of the field node.

硬件设计主要包括网关节点的有线通信电路及复位电路的设计、现场节点的处理器单元和电源单元设计，以及射频电路的设计。

The design, analysis and calculation of instrument machine structure, the circuit of infrared emission and receival, the design of direction detection and signal processing circuit, the oil level signal collection, processing, and display are finished in mis article.

本文重点完成了磁式光纤液位探测器机械结构的设计、分析和计算，红外光发射与接收电路、倍频辨向电路和信号调理电路的设计，以及液位信号的采集、处理和显示的设计。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。