电路

The elements in Galois field can be represented in several kinds of basis.In this paper,a Galois field elements are represented first by a polynomial basis.

在RS码的编译码电路中，主要涉及的基本运算电路单元是有限域的加法与乘法运算，其中对译码器性能影响较大的是乘法器的选择与设计。

Then we present the hardware design of RS(255,247) encoding and decoding, including the multiplier in Galois field, the circuit for solving syndromes matrix, the circuit of Berlekamp arithmetic and so on. The use of streamline technology in the design of FPGA improved the efficiency of encode and decode system greatly.

接下来讨论了RS(255，247)编码过程和解码过程的硬件设计，包括伽罗瓦域内的乘法器设计，伴随式求解电路，Berlekamp算法电路等，在FPGA的设计过程中充分使用流水线技术，使整个编码和译码系统的效率有很大的提升。

A source of low potential used in the grid circuit of a vacuum tube to cause operation to take place at the desired point on the characteristic curve.

真空管栅极电路中使用的一种低电压源，导致电路在特性曲线某一点处发生变化。

The techniques such as guard ring, decoupling and shielding are adopted in order to reduce the interference among digital and analog circuits.

在实际的设计中采用了保护环、去耦、屏蔽等方法来减小数字电路噪声对模拟电路的干扰。

The results of circuit simulation and hardware experiment show that it is feasible to realize the RLC second-order filters using the analog grounded or floating ideal inductor realized by the gyrator proposed here.

电路仿真和硬件电路实验研究结果表明：用本文提出的回转器实现理想接地、浮地电感并应用于二阶滤波器的实现中是可行的。

The concept of POPI Loss-Free Two-Port Network is given. The circuits to realize loss-free controllable time-variable transformer by open-loop and closedloop control of transfer ratio k are discussed. The POPI topology to realize loss-free controllable gyrator are given.

分析研究了五种无损双口网络，给出了无损POPI双口网络概念，设计了开、闭环控制变比k以实现无损可控时变变压器的电路结构，给出了实现无损可控回转器的POPI电路。

Taking a real single-phase half-wave controlled rectifier as an example to research rectifier s waveform factor,this article analyzes the relationship of waveform factor and thyristor s trigger delay angle,then draws some important conclusion.

以一个实际的单相半波可控整流电路为例，对整流电路中的波形系数进行了研究。

The hardware system mainly includes the Hall probe circuit, magnetic-flux meter circuit, extension measurement circuit, data capture circuit, the parameters storage circuit, display and keyboard circuit, serial communication controller circuit etc.

硬件系统主要包括磁场测量、磁通表、伸缩量输入、数据采集、参数存储、显示和键盘电路、通讯接口电路等。

The system consists of signal acquisition systems, signal processing, show circuit and control circuits, and other components, through the acquisition by Hall sensor voltage signal to the amplifier will signal amplification, and then in the A / D converter after the digital signal into the microcontroller , Through the SCM software programming by the magnetic field signal, the final adoption of LED display to the magnetic field strength.

该系统由信号采集系统、信号处理、显示电路和控制电路等组成，通过霍尔传感器采集得到电压信号，再经放大器将信号放大，然后在A/D转换后将数字信号送入单片机，通过单片机软件编程得到磁场信号，最后通过LED显示出磁场强度。

It has many interesting characteristics regarding beautiful interface, easy operation, handiness, stabilization, credibility and quick diagnose, etc.

研究内容包括系统的硬件电路设计和系统的软件开发两大部分，本文着重研究系统的硬件电路设计。

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。