PIC16和PIC18单片机引脚说明

学生成绩管理工作是学校学生管理工作的重要组成部分，现在相当一部分学校的学生成绩管理工作仍沿用手工方式。随着学校规模的扩大、学生人数的增加，效率低下、容易出错的手工方式越来越不适应实际管理工作的需要，按照软件工程原理和数据库技术开发学生成绩管理系统已成为学生管理部门的迫切需要。-student performance management is the management school students an important component, considerable part of the school management of student achievement is still used manual. With the increased scale of the schools, the number of students increases, inefficient and error-prone manual increasingly unable to meet the actual needs of management, in accordance with principles of software engineering and database technology student performance management systems have become students of management an urgent need.

G.726.pdf――ADPCM的标准协议。-G.726.pdf--ADPCM standard protocol.

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信息系统设计文档，介绍报告的格式，内容等相关信息-Information system design documents, introducing the report, the format, content and other related information

0809AD转换，实现电压模拟值到数字量的转换-0809AD conversion, realizing the value of the analog voltage digital conversion

LPC2300以太网连接原理图.用LPC23系列开发以太网必备.-LPC2300 Ethernet connectivity schematics. LPC23 series with the development of Ethernet required.

带余弦预滤波和补偿滤波的抽取滤波器　设计方案-Pre-filtering with a cosine decimation filter and compensation filter design

对VEGA软件使用的初级介绍讲稿，初学者对于VEGA虚拟现实技术学习的开始。-VEGA software used to introduce the initial script for beginners VEGA virtual reality technology to study start.

此程序与上面三个，大体差不多，但是但是计算用的方法更实用。-This procedure with the above three, generally similar, but the calculation methodology used but more practical.

主要讲述EM读卡机的基本性能，以及在实际的时候药品注意的东西。-EM card reader, focuses on the basic performance, as well as the actual time of drug attention thing.