及电路

Then, the theory of El circuit emulation and the realization of hardware circuit are introduced in detail.

然后详细地介绍了E1电路仿真的原理及硬件电路的具体实现。

The aim of the paper is to improve the reliability of HF generator, which is the key to decide the life of HF electrodeless light. At first, I collect and analyze the relative dates, and statistics fault models.

首先进行了与可靠性相关的数据收集与分析，对故障模式进行统计；然后从电路结构、环境应力及容差三个方面进行可靠性分析，从而为关键的可靠性设计提供了依据；接下来的可靠性设计，从电路设计、热设计、降额使用、筛选四个方面逐一解决了可靠性分析阶段发现的问题；最后，我将改良的发生器批量生产，并从中重新收集了可靠性数据进行计算，事实证明改良后高频无极灯的平均寿命已达到6万小时。

We present some new topologies of components and devices, embedded passive circuits and interconnections with good EM properties which can meet development of microwave and millimeter wave LTCC technology and domestic state of arts and crafts inland. These algorithms are applied to optimization of LTCC circuits by using relevant production and applicable techniques in SM study, i.e. optimizing and designing various LTCC capacitors and inductances by original space mapping, LTCC transitions by aggressive space mapping and equivalent lumped-element LTCC filters by knowledge-based aggressive space mapping and neural space mapping.

并且针对微波、毫米波LTCC技术发展需要和国内加工水平，探索具有良好电磁特性的新型组件拓扑结构及其内嵌无源电路、互连实现形式，利用在空间映射研究中取得的成果和开发的实用技术，实现LTCC电路的优化，主要是采用初始空间映射方法优化设计了LTCC电容电感、采用主动空间映射方法LTCC过渡、采用基于知识主动空间映射方法与神经网络空间映射方法优化设计了LTCC等效集总元件滤波器等。

The restriction of equivalent transformation analysis method is discussed and finally a proper method and the result of the analysis are offered.

在单端输入的差动放大电路工作原理教学中，对共模反馈电阻R e的作用，往往采用等效变换法进行分析，如果不注意正确使用分析条件会得出错误的结论，本文从理论和实践上指出了利用这种分析方法分析单端输入差动放大电路的局限性，最后给出了正确的分析方法及结论。

The circuit includes phase electric capacity, the feedback resistance and the input impedance. This signal frequency of this model is wide.

运算放大器扩展功能，在电子电路设计中其数学模型为放大电路，含移相电容、反馈电阻及输入阻抗。

The design of digital filter and basic digital circuit is completed by FPGA.

因此，在这里还详细的介绍了放大滤波电路的设计原理及具体实现电路。

Simultaneously the model of bipolar junction transistor and CMOS transistor and the basic circuit units such as current mirrors are briefly introduced; with the topology and model circuit ,the principle and feature of the CC are analyzed. The applications of the CC in the fields of the active network and signal process are synthesized.

首先介绍了模拟集成电路在当代社会中的重要性和集成电路研究的必要性，并简要地介绍了双极型晶体管和CMOS晶体管的模型结构以及几种电流镜电路的原理及性能；从电流传送器的拓扑结构入手，在给出其模型电路的基础上，介绍了电流传送器的工作原理。

This item is combined with RF anti-inference circuit and tone key squelch circuit to avoid any interference and noise. It was installed with IR transmitter sync LED device also.

配合高精密的射频抗干扰电路和音码锁定电路，可有效避免各类干扰及消除各种杂讯，并且还具有红外线对频发射装置。

this paper introduced the design way of a newstyle led lampion control system that used at89c51 singlechip as th e controlcore, combined with little assistant hardware such as keyboard display, and took software program to control led lampionthis system had the merits of small volume, few of hardwares, circuit configuration simple and easy to operate, and so on

摘 要：介绍了一种新型的led彩灯控制系统的设计方法，以at-89c51单片机作为主控核心，与按键、显示器等较少的辅助硬件电路相结合，利用软件实现对led彩灯进行控制。本系统具有体积小、硬件少、电路结构简单及容易操作等优点。

The luminescence power of semiconductor laser diode is tested after the radiator element of laser diode is made and the drive circuit is designed. Then, chaos mathematic model is introduced to produce deterministic class stochastic signal and C langrage program, which is based on the hardware circuit design of MSP430, is designed and on-line debugged to implement the dynamic stimulation effect and avoid the body adaptability with the duty cycle of chaos sequence. The duty cycle is adjusted and controlled to accomplish the reinforcing and reducing in moxibustion. At last, Average power of laser diode is tested under the conditions of different duty cycles and the waveforms are collected by applying virtual instrument.

在半导体激光器散热装置的特别制作及工作驱动电路的设计基础上，完成半导体激光器发光功率的测试，然后引入混沌数学模型方法来产生确定性的类随机信号，在 MSP430 单片机硬件电路设计的基础上，应用单片机 C语言进行程序设计并在线调试，实现传统灸法的动态刺激效果，采用混沌序列占空比信号消除人体适应性，调整和控制输出占空比的改变以达到灸疗的补泻手法的实现，最后对不同控制占空比情况下激光器输出的平均功率进行测试，完成工作波形的采集。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。