多电路的

This article mainly discussed the design method of Infrared Remote Controller based on RC5 code ,which is used for multi-function Whirlpool.It described the principal of RC5 code,and it emphasized the hardware and software realization of Infrared Remote Controller.A detailed analysis about the time management of software process is given,and finally designed the step of electricity-saving.

本文描述了一种多功能浴缸用的基于RC5码的红外遥控器设计的方法，说明了RC5码的组成原理，主要突出了红外遥控器的硬件与软件设计及实现，同时详细分析了软件处理过程中关于时序处理的内容，并设计了遥控器电路的省电措施。

On the basic theory, some concepts are proposed, such as partial derivative of waveform polynomial, waveform polynomial vector, delay matrix, multiple valued Boolean process, conditional sensitization, waveform distance with crosstalk and three-dimentional Boolean process. And based on these concepts, a sensitization theorem for sequential circuits and the transition numbers theorems for waveform polynomial are proposed; the model and data structure for the representation and manipulation of waveform polynomial are proposed.

基础理论方面，提出波形多项式偏导、波形多项式向量、延时矩阵、多值Boolean过程、条件可敏化、考虑串绕的波形距离及三维Boolean过程等概念，并在此基础上提出时序电路的敏化定理、波形多项式描述跳变数的定理以及波形多项式的多项式符号表示与运算的模型和数据结构。

The main features of the system are: the communications line is not only used for data transmission but also responsible for the system control and management; only one analogue to digital converter is needed for the whole system; a digital trimmer which is analogous to the adjustable resister in function is installed to each sub—system.

本文所进行的数字型条干均匀度测试仪的系统设计，采用了多微处理器的分布式并行结构，提出了一种数字信号的总线结构，采取了数据预处理和数字微调等措施，其主要特点为：半双工异步通信线不但用于数据传输，而且还负责系统的控制和管理；整个系统只需一路模数转换器；各子系统均设有数字微调装置，其功能类似于模拟电路中的电位器，可独立进行参数调整。

As the result of the theoretical derivation, some yield optimization algorithms which were proposed heuristically and widely used in the statistical design of circuits in the past can be incorporated into the special cases of our new algorithm.

经过理论推导，证明了前人直观提出的、在电路的统计设计中应用较多的几种统计性合格率优化算法可以归结为我们算法的特例，从而为直观提出迭代格式的统计性合格率优化算法建立了理论基础。

So people pay more attention to the peripheric circuits (such as decoder and sense amplifier) of the memory when they design the SRAM.

所以在静态存储器的设计过程中，更多的是注重对译码器、灵敏放大器等外围电路的优化来提高存储器的性能。

started with the analysis of characteristic parameter of the successive detection logarithmic amplifier,mainly discusses the main factor affecting its transfer characteristic by mathematics reasoning to its transfer function,studies the correlative relations of the single stair′s plus,the series with the dynamic range and the logarithmic precision by matlab and matrixx simulation.so two pieces of conclusion have been reached:one is on condition that the dynamic range is limited,the more the series that is used and the single stair′s plus is less,the higher the logarithmic precision is.the other is that using the double amplifier chain can enhance the logarithm starting point,so its stability is improved.and the conclusion has been applied to the practical circuit′s analysis of the tacan beaconing receiver.

摘 要：从分析连续检波式对数放大器的特性参数入手，对其传输函数进行了数学推导，重点讨论了影响其传输特性的主要因素，通过matlab和matrixx仿真，研究了输入动态范围与级联级数、单级增益和对数精度的相互关系，得出了两点结论：一是在限定动态范围的前提下采用的级数越多其单级增益越小而精度就会越高，二是采用双放大链结构可以提高对数起点，从而提高其稳定性。最后将结论应用于塔康信标接收机实际电路的分析中。关键词：对数放大器；连续检波；塔康信标；对数精度

Most of Chinese GPR have not as good performances as ones abroad. In the paper, the GPR system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling-hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. As the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm.

本文根据探地雷达系统工作原理，在电子科技大学探地雷达系统样机研制的基础上采用了各种有效的优化技术，包括探测前端、采样保持电路的优化，定位轮、目标定位、多线程技术的应用，数据采集处理和控制软件功能的拓展、各种有效的信号预处理算法的应用等，显著提高了系统的探测性能和增强了探测效果，使得系统方位、距离分辨率均达到了10cm，探测深度大于50cm，其性能指标达到国外先进水平，为进一步的实用化奠定了重要的基础。

A high speed high accuracy and multi-channel synchronous data acquisition system for array acoustic logging is designed, which can be used under downhole high temperature, the requirements for cross dipole simulation signal process for acoustic logging, the integration of acquisition circuit and method for its data processing are put forward.

设计了一种可工作于井下高温环境，用于阵列声波测井的高速高精度多通道同步数据采集系统，提出了声波测井对交叉偶极模拟信号的处理要求以及采集电路的构成和采集数据处理的方法。

Since there is now twice as much inductance in the circuit, the tank supply was upped to 360Watts (12kV 30mA), and the tank capacitor was increased to 0.078uF so as to make tuning with the extra capacitance possible.

由于现在的两倍多电路中电感，坦克供应调升至360Watts（12kV的30mA的），以及坦克电容增加到0.078uF，使额外的电容与可能的调整。

FUTURE DEVELOPMENTS 未来的发展 One continuing trend in computer development is microminiaturization, the effort to compress more circuit elements into smaller and smaller chip space.

计算机发展的一个持续不断的趋势是微小型化，亦即将更多的电路元件压缩在越来越小的芯片空间上的努力。

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。