多电路的

In recent years, systems which based on fractional differential and integral fractional, have been researched extensively, involving fractional circuit, fractional digital signal processing, fractional dynamics control systems and fractional-Chaos and super-chaos, Chaos Control and fractional chaos synchronization, and security communications. And a lot of theoretical and practical results are obtained.

故而近年来基于分数阶微分和积分的分数阶系统已在动力学系统中得以较为广泛的研究，其中涉及分数阶电路、分数阶数字信号处理、分数阶动力学控制系统以及分数阶混沌和超混沌、分数阶混沌控制与混沌同步、保密通信等多个领域，取得了不少的理论和实际结果。

Detailed introductions were made to the application in frequency converter for unit series multi-electrical level, power bus, micro-computer control and artificial intelligence, total digitalized optical fiber control and power unit standard modulization, insulated grid bipolar transistor drive circuit intelligentize etc.

介绍了变频器的市场情况以及变频技术的现状，详细介绍了单元串联多电平、功率母线、微机控制和人工智能、全数字化光纤控制以及功率单元标准模块化、绝缘栅双极晶体管IGBT驱动电路智能化等技术在变频器上的应用。

In this subject, hardware circuits of the system were designed based on ATMEL's AT89S8252 single-chip computer and digital humidity-temperature sensor SHT11. This hygroscope finds itself with some attractive features, such as portability, handy operation, low power consumption, etc.

本课题以ATMEL公司的AT89S8252单片机和数字式温湿度传感器SHT11为核心设计了系统的硬件电路，通过液晶屏直观显示出测量结果，具有小型便携、操作简便、低功耗等诸多优点，并能通过串口与上位机通讯，以便对数据进行更深一步的处理。

Due to the technology of integrated circuit progress rapidly, the number of transistors increase in a system-on-a-chip. Therefore, a FPGA chip can contains more and more logic element components.

中文摘要随著积体电路技术日新月异的发展，在单晶片系统上所能容纳的电晶体数目不断提升，使得FPGA可以容纳的系统元件愈来愈多。

A kind of weak current sensor using a single amorphous core double-winding multivibrator bridge is studied in this paper.

对采用非晶丝单磁芯双线圈多谐振荡桥制成的弱电流传感器进行了研究：对传感器的工作原理进行了分析，对传感器的信号处理电路进行了设计。

Relative to conventional cascade topology, the new topology needs fewer switching devices when producing the same number of output levels, which simplifies circuit.

相对于传统的级联多电平拓扑，在得到相同输出电平的情况下，该拓扑需要较少的开关器件，因此可以简化电路结构。

The stable and reliable operation voltage of the probe can be given by the following methods:(1) 20% light coupling efficiency is obtained by direct coupling of LD-optical fiber.(2) The light power is transmitted by multi-model optical fiber.(3) The largest photo-electric conversion efficiency is achieved by selecting the transformer regulation of step-up transformer.(4) The stable light intensity is achieved by using LD light feedback of driving circuit and refrigeration.

通过下述方法可提供稳定、可靠的探头工作电压：LD—光纤的直接耦合方式，可实现20％左右的光耦合效率；采用多模光纤传输功率；选择升压变压器最佳变比提高光电转换效率；采取LD驱动电路光反馈以及致冷措施使其发光幅值稳定。

Since an arbitrary n variable fundamental symmetric function can be realized in terms of a tree construction expansion of the above generators,an arbitrary n ...

文中分别就变量数为奇数和偶数的情况进行了讨论。本文提出的对称函数综合方法在实现多输出对称函数时可获得较简单的电路结构

The circuit design of Taximeter with multifunctional, not only to achieve basic valuation, but also under way to adjust for price, while also not denominated as a time clock to provide convenience for drivers comrades.

本电路设计的出租车计价器具有多功能，不但能实现基本的计价，而且还能根据中途等待来调节单价，同时在不计价的时候还能作为时钟为司机同志提供方便。

The company has a high-quality development team, in recent years, the company based on "person who, without me there is, there is my people elite" in the enterprise development ideas, bold innovation, constantly absorbing domestic and foreign advanced technology, successfully developed a hot-film all-digital circuit car air flow meter, and country patents.

公司拥有一支高素质的开发团队，近年来公司依据&人无我有，人有我精&的企业发展理念，大胆创新，不断吸取国内外先进的技术，成功开发了热膜式全数字电路汽车空气流量计，并获得国家多项专利。

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。