电路

It is very important for lengthening OLED lifetime and design of reasonable pixel driving circuit.

提出了改进的像素驱动电路，改进后的驱动电路占用面积比较小，可以提高显示屏的开口率。

An optic-electric measurement system for measuring voltage distribution along the HVDC converter valve , consisting of the transmitter, light route and receiver, is developed.

设计了一种用于测量换流阀晶闸管电压分布的光电测量系统，该光电测量系统主要由探头、发射电路、接收电路 3部分组成。

Based studies were done on radiation spectrum, voltage to current character and modulation property of white LEDs when they are used as optical transmitters. Then the configuration and systematic design techniques are concentrated concerning white LED lighting source communication with numerical analyses and computer simulations done as well as high speed modulation techniques, visible light receiver design and means to alleviate inter symbol interference along with background noise problem.

在对白光LED用作通信光源时的光谱特性、伏安特性、调制特性等物理特性做深入分析的基础上，重点研究了白光LED照明光源通信系统的组成结构和系统设计，进行了数学计算分析模拟，并设计出了白光LED高速调制电路和可见光接收电路，并就如何削弱码间串扰和背景光噪声对通信系统的影响进行了讨论分析。

The pleunm anti-static insulated material housing prevents short circuit led by the contact of welding spot and the metal channel of word sign. At the same time, the circuit uses particular constant current design and lightning arrester. Silicon rubber leads between modules of anti-aging and anti-cracking guarantee the long-term work in bad environment of open area while the low resistance of lead reduces the affection to the emitting brightness of LED by voltage drop.

其外壳采用阻燃防静电绝缘材料，可防止 PCB焊点与金属字槽壳的接触而产生短路，同时电路采用独特恒流电路设计及雷电吸收装置，模组间连接线采用软硅橡胶导线，在恶劣的户外恶劣环境下长时间使用，导线不会老化脆裂，同时导线内阻比较小，降低压降对LED发光亮度的影响。

The asymmetric stripline is widely used in LTCC microwave integrated circuit system. Different kinds of discontinuity are often encountered in the circuit design, such as open circuits, steps, right-angle bends, T-junctions and so on. This paper successfully transplantes the equivalent circuit model of microstrip line discontinuity to the asymmetric stripline so as to deal with T-junction discontinuity and the branch-line coupler constructed by parts with various discontinuity. Compared with numerical results, the average error of S parameters is less than 2%.

偏心带状线广泛应用于LTCC微波集成电路系统中，其电路设计过程中也经常会遇到诸如开路端、阶梯、直角拐角及T型接头等各种不连续性问题；该文成功地将原有的微带线不连续性等效电路模型移植到偏心带状线上，从而分析了其T型接头不连续性和由其不连续性部分组成的电路组件分支线耦合器；与数值计算结果相比，其S参量的平均误差小于2%。

Combinational Logic design which based on the theory of Linear block code is the circuit map of Linear block code using AND-gate, OR-gate, Flip-flop and so on. VHDL design is the hardware description of the circuit map to make linear block code into realization.

组合逻辑电路设计，是根据线性分组编码理论，利用与非门、触发器等逻辑器件搭建起来的电路原理图；VHDL设计，是将线性分组编码理论通过用VHDL描述，实现其编码功能。

Chapter three (the methods of generating chaotic signal and its applications): In this chapter firstly the mechanism that a simple kinetic system, subsection linear map system, can generate chaotic phenomena is affirmed, the characteristics of correlation function of the chaotic signal generated by this system are simulated, on this basis a simple applicable method for generating chaotic signal is given; secondly some typical circuits generating chaotic signal are designed, also use operational amplifier to design a third -order autonomous circuit with chaotic dynamics. The basic mechanism and typical structures of chaos in the application of communication are introduced systematically and a simple method is provided for generating pseudo random code signal; At last Chaotic signal is applied into the analysis of system characteristic.

第三章(混沌信号产生方法及其应用)首先针对一类简单动力学系统——分段线性映射系统能够产生混沌现象的机理及由该系统所产生的混沌信号的自协方差函数特点进行了证明和计算机仿真，提出了软件产生混沌信号的一种实用方法；其次分析讨论了几种能够产生混沌信号的典型混沌电路，提出了用运算放大器与阻容元件实现三阶自治混沌电路的基本原理；概述了混沌在通信领域中应用的基本原理和典型结构，提出了产生伪随机码信号的一种简单方法；最后将混沌信号用于系统的特性分析中。

Combinational Logic design which based on the theory of Linear block code is the circuit mapof Linear block code using AND-gate, OR-gate, Flip-flop and so on. VHDL design is the hardware description of the circuit map to make linear block code into realization.

组合逻辑电路设计，是根据线性分组编码理论，利用与非门、触发器等逻辑器件搭建起来的电路原理图；VHDL设计，是将线性分组编码理论通过用VHDL描述，实现其编码功能。

Real-time processing hardware system, circuit and chip design which is the weakest link in motion vision study.

本项目研究运动图像分析，分为算法、系统及电路设计三个层次：①运动目标检测、测量与跟踪分析算法，这是知识创新的源头所在；②并行处理器逻辑与物理体系结构，这是走向实用的必经步骤；③实时处理硬件系统、电路与芯片设计，这是运动视觉研究中较薄弱的环节。

Then discuss the power drive circuit and the logic control circuit in detail.

并详细介绍了功率驱动电路及逻辑控制电路。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。