电路的

Getting rid of high DC background and automatic gain control are very essential for extracting target signal out effectively.

通过分析红外CCD信号处理电路的设计要求，介绍了应用于该信号处理的几种常用电路的设计方法。

AIM: To analyze the influence of Photomultiplier Tube voltage biasing circuit on the performance of PMT, and to take corresponding measures for elevating the accuracy of PMT voltage biasing circuit accuracy to improve the performance of PMT.

目的：分析光电倍增管电压偏置电路对光电倍增管性能的影响，并采取相应措施提高光电倍增管电压偏置电路的精度，以改善光电倍增管的性能。

On the other hand, the linear deviations of the active voltage biasing circuit with Bipolar Transistor or FET were at most 7%, and at most 3% respectively.

结果：在阳极电流为50 μA，电阻型光电倍增管偏置电路的线*偏离度已达40%，而用双极*晶体管或场效应晶体管的有源偏置电路的线*偏离度分别为≤7%，≤3%。

The reliability of the circuit has been examined through the imitation and check to the circuit board.

通过对电路的仿真和电路板的检测，证明了硬件电路的可靠性。

The result shows that it is convenient and efficient in designment, simulation, production of combinational logic circuits based on Multisim.

实践证明，基于Multisim设计组合逻辑电路的效率很高，仿真验证比较方便，对实际电路的制作能带来很大帮助，具有较高的实践指导意义。

The 300W single item incorporation feed inversion electric circuit's design is mainly transforms the small electro-optical source battery through the contravariant electric circuit as the stable room electric output.

300W单项并网馈电逆变电路的设计主要是将小型的光电源电池通过逆变电路转化为稳定的室电输出。

It is possible to use a Darlington connection in place of the FET-bipolar combination in cases where the output current is high and the base current of the Darlington input would not cause a significant error.

本电路使用的 OP 必须对单位增益进行补偿。并且根据负载特性和输出级电路的特性可能需要额外的补偿。

Secondly, the paper studied the FPGA solutions of Digital Multiplex System. Designed FPGA circuit of module including Multiplex, demultiplex, bit synchronization and frame synchronization, mostly performance of bit synchronization and frame synchronization circuit are optimized.

其次，论文研究了基于FPGA的数字复接系统实现方案，实现了数字复接、数字分接、位同步及帧同步等单元模块的FPGA电路设计，优化了位同步及帧同步电路的主要性能指标。

Rotating speed detection circuit and inspire current detection circuit principle and magnetic current detection principle of which is similar.

转动速度检测电路和激发电流检测电路的原理和磁场电流检测的原理是相似的。

Several new topologies are presented in this paper.

本文在对现有软开关电路的分析和实验的基础上，提出了多种软开关电路。

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。