计算电路

The paper analyses the working process and the principle of undeland buffer circuit ,introduces the calculating method of parameter of buffer circuit ,and proves the effect of the circuit buffer by simulation.

分析了Undeland 缓冲电路的工作过程及原理，介绍了缓冲电路参数计算方法，最后用仿真的方法验证了电路的缓冲效果。

This invention discloses a multi-queue sequence buffer management circuit and a method based on a pipeline applying a pipeline structure including: an arbitration circuit selecting one for process from read, write and distribution buffer requests, a buffer slot state module designing state of the slot requiring operation and queue numbers and assigning idle slots, a buffer slot filter module filtering the slot, a buffer slot filter module filtering the slot states not belonging to the current operation queues nor idle aligned in terms of the head pointer, a queue slot selection module computing continuous idle slot numbers from the slot pointed by the head pointer and refreshing the head pointer and selecting preparing slots, a queue slot prior queuing module refreshing the read pointer and result numbers of the current operation queues with the pointer of the first prepare slots and their numbers which can support multi-queue to share one buffer space, queues can access the buffer in overlap.

本发明公开一种基于流水线的多队列顺序化缓冲管理电路及方法，本发明电路采用流水线结构，包括：仲裁电路，从读、写、分配缓冲请求中选取一路进行处理；缓冲槽口状态设置模块，设置请求操作的槽口状态和队列号，分配空闲槽口；缓冲槽口滤除模块，滤除不属于当前操作队列且非空闲态的槽口状态，按头指针对齐；队列槽口选择模块，计算头指针指向槽口起的连续空闲槽口数并更新头指针，选出预备态的槽口；队列槽口优先排队模块，用第一个预备态槽口的指针和预备态槽口数分别更新当前操作队列的读指针和结果数；本发明可以支持多个队列共享一个缓冲空间，各类指令队列能对缓冲进行交叉访问，并对指令结果的写入读出进行顺序化管理。

A large number of diagnostic experiments have been done using the special diagnostic program written by the author including several special-purpose simulation experiments for tolerance effects, and the tests of two practical circuits.

另一种方法适合于模块级故障诊断，避开了将非线性部分线性化的工作，除对无故障时的非线性电路要进行一次电路分析外，诊断过程可完全按线性电路进行，计算量小。

It also calculates theoretically the minimal time interval between two trains in quasi-moving-block signaling system and recommends approximate values for the length of coded digit track circuit.

在此基础上，针对当前应用广泛的基于数字轨道电路的准移动闭塞ATC系统进行了重点分析，详细讨论了数字轨道电路的原理、准移动闭塞系统的列控方式等内容，并对准移动闭塞下的最小列车追踪间隔时间进行了理论计算和分析，给出了数字轨道电路长度的推荐值。

The characteristic of the method is that driving condition and clock pulse for flip-flops are obtained at first hand by means of the state transitio n drawingand that designing asynchronous sequential cir-cuits and synchr onous sequential circuits can be unified.

时序逻辑电路可分为同步和异步，然而采用传统的时序电路的设计方法时，即使是同步时序电路的设计也需要7步[3]，要进行复杂的计算来求状态方程、驱动方程，既繁琐又容易出错；对异步设计就更为复杂了。

In short,the paper illustrates the feasibility of block diagram simulation analysis in negative feedback amplifier circuit.

本文利用EWB软件，采用方框图分析法，对由运放构建的电压负反馈放大电路进行了仿真分析，同时将仿真结果与理论计算加以比较，结果显示两者一致，验证了负反馈放大电路中的基本关系式。1仿真分析1.1电路组成负反馈放大

In the same time,main circuit figuration and working principle will be given,and worked out the parameter of this circuit S transformer and RCD clamped circuit.

给出了电路的主电路图，在此基础上阐述了此电路的工作原理，并分析计算出了变压器和RCD缓冲电路设计的参数。

The base of computer culture, c programmer, fundamentals of analog electronic circuits, fundamentals of digital electronic circuits, data structure, principles of computer composition, operating system, discrete mathematics, computer network, principles of microcomputer, 8086/8088 macro assembler language; multimedia technology; the principles of database; oopl( errorobject oriented programming language); fundamentals of compiling; software engineering; numerical computational method; mcs51/96 principle of single-chip computer; artificial intelligence; computer system organization; digital interface and digital circuits; java programming language; data structure; operating system; computer network; technology of electronics, etc.

计算机文化基础、c语言程序设计、模拟电路基础、数字逻辑电路基础、数据结构、计算机组成原理、操作系统、离散数学、计算机网络、微型计算机原理、8086/8088宏汇编语言程序设计、多媒体技术、数据库原理。面向对象语言程序设计，编译原理，软件工程基础，数值计算方法、mcs51/96系列单片机原理与应用、人工智能、计算机系统结构、数子接口技术与电路、数据库设计基础 java语言，数据结构，操作系统，计算机网络，电子技术等。还有一些选修的课比如：tcp/ip网络协议分析基础、oracl数据库原理，db2数据库原理等。

In the actual application systems of measurement, a transient process is created in a RL circuit, and then the frequency and time constant of RL circuits can be accurately estimated using numerical differentiation methods.

深入研究和分析了具有电感和电阻的电流互感器和电压互感器的等值电路，在实际测量应用中人为地造成一个RL电路的暂态过程，采用数字微分算法能够快速准确地算出RL电路的频率和时间常数，进而计算出电流互感器和电压互感器的角差。

The design, analysis and calculation of instrument machine structure, the circuit of infrared emission and receival, the design of direction detection and signal processing circuit, the oil level signal collection, processing, and display are finished in mis article.

本文重点完成了磁式光纤液位探测器机械结构的设计、分析和计算，红外光发射与接收电路、倍频辨向电路和信号调理电路的设计，以及液位信号的采集、处理和显示的设计。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。