及电路

Based on the technical and design requirements of the system, this paper provides methods of angle calculation and the electrooptic signal acquisition techniques. According to the principles, we convert the waveform to corresponding impulses and use CPLD to implement the counting and direction discrimination of the count impulse. Furthermore, a new digital subdividing technique for...

根据系统的预期指标，给出了经纬仪角度测量值的计算及光电信号的采集方法；然后根据相应的方法，从硬件上实现了系统所需的角度信号的波形变换、脉冲信号的形成和CPLD辨向计数电路；在此基础上提出了软件细分技术，并分析了此细分方法带来的误差，达到了很高的细分精度。

Evolvable hardware can improve reliability and usability of electron system especially the electron devices which work chronically in the terrible environment.

演化硬件的实现可大大提高电子系统的可靠性及可用性，对需要在特殊工作环境中长期工作的电路设备具有重大意义。

The characteristic and theory of digitized temperature sensor DS1820 is briefly introduced,and the method of improved measure precision of DS1820 is provided and the application circuit composed by DS1820 and singlechip in temperature control system of hyperthermic chemotherapy instrument is designed.

文章对数字温度传感器DS1820的特点及工作原理作了简要的介绍，并给出了有效提高DS1820的测量精度的方法，设计了DS1820与单片机组成的热化疗仪测温系统的应用电路。

"TSMC is the first foundry to deliver on the commitment of providing more design accuracy by proactively working with multiple EDA vendors to create and qualify interoperability between SPICE simulation technologies and the foundry's most advanced processes technologies," said S.T. Juang, senior director, Design Infrastructure Marketing at TSMC.

台积公司设计建构行销处资深处长庄少特表示：「台积公司领先专业积体电路制造服务领域，主动与多家EDA厂商合作，建立了一个整合SPICE模拟技术及最先进制程技术的跨平台运作机制，此一机制已经通过验证，能够成功提升晶片设计的精确度。

The accuracy along with numerical convexity and smoothness of LUT will influence the final circuit design greatly.

其精度及数学上的凸特性和平滑程度对电路最终的设计结果有较大的影响。

Object-Oriented Programming is the most useful mothed to develop software.

叙述了软件设计方法中较为先进的面向对象的程序设计技术，讨论了线性元件库、非线性元件库、有源器件模型库的建立、电路描述语言及程序的结构。

The thesis has passed systematic made up of lift control , has set forth programming controller application in controlling in the electric elevator , has adopt ohm of dragon PLC programming program control way , has brought forward four layers of the electric elevator PLC navar population design plan , has listed main concrete PLC hardware circuit , electric elevator picture controlling echelon and instruction form

本论文通过电梯控制系统的组成，阐述可编程控制器在电梯控制中的应用，采用欧姆龙PLC编程的程序控制方式，提出了四层电梯的PLC控制系统总体设计方案，列出了具体的主要PLC硬件电路、电梯的控制梯形图及指令表。

The data collection of photoelectric receiving circuit mainly realized the data collection and transport with the conversion of photic signal to electric signal.

光电接收电路的数据采集主要是通过光信号转换为电信号实现信息的采集及传输。

For electric power pulsive shipping, the voltage is not always normal, especially when the main motor is starting, and three-phase bridge commutated circuit is used widely, so, a new method to compute harmonic is developed, which is more accurate and practical, is more adapt to the ship condictions.

因此，本文在上述文献的基础上，对接入电压波形畸变的电网中的三相桥式整流电路进行了分析，采用了一种实用的新方法来计算三相桥式整流器所产生的谐波电流。本方法考虑了交流侧电抗及电网中存在的谐波电压，导出了交直流两侧谐波电流的计算公式。

As flux used in light metal processing for metal surface treatment; as component in the production of aluminum-titanium-boron alloys and for the fabrication of grinding wheel and abrasive disc to reduce operating temperature; as flux used in welding; as fire retardent for cotton and artificial fibre; rodent for the removal of exposed lead in printed circuit board; chemical analytical reagent in electrochemistry; used to melt with silver, gold, stainless steel; as material to produce boron alloys.

作为熔剂用于轻金属加工对金属表面处理，制造铝钛硼合金和作砂轮研磨盘的成份，以降低操作温度；用于焊接上作助熔剂及制造其它氟盐的原料；用作棉花和人造纤维的阻燃剂，用来清除印刷电路中露出铅的侵蚀液；用于电化学合成的化学分析试剂，用于熔接和熔合银、金、不锈钢等金属，可做铝镁浇铸生产含硼合金的原料。

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。