联合开发网   搜索   要求与建议
                登陆    注册
排序按匹配   按投票   按下载次数   按上传日期
按分类查找All 单片机开发(432) 
按平台查找All WORD(432) 

[单片机开发] PCMbianmaMatlab

代码附后 本设计结合 PCM 的抽样、量化、编码原理,利用 MATLAB 软件编程和绘图功能,完 成了对脉冲编码调制(PCM)系统的建模与仿真分析。课题中主要分为三部分对脉冲编码 调制(PCM)系统原理进行建模与仿真分析,分别为采样、量化和编码原理的建模仿真。 同时仿真分析了采样与欠采样的波形、均匀量化与 A 律 13 折线非均匀量化的量化性能及 其差异。通过对脉冲编码调制(PCM)系统原理的仿真分析,设计者对 PCM 原理及性能 有了更深刻的认识,并进一步掌握 MATLAB 软件的使用。
This design combined with PCM sampling, quantization, coding theory, using MATLAB software programming and graphics capabilities, completed the pulse code modulation Modeling and Simulation (PCM) System. The issue is divided into three portions of pulse code modulation (PCM) system principle of modeling and simulation analysis, namely sampling, modeling and simulation quantization and coding principles. While the simulation waveform sampling and undersampling, uniform quantization and A-law 13 fold non-uniform performance and the quantized difference. By pulse code modulation (PCM) system principle of simulation analysis, the designer of the PCM principles and performance of a deeper understanding and further master the use of MATLAB software. (2016-04-06, WORD, 1512KB, 下载13次)

http://www.pudn.com/Download/item/id/1459942563710403.html

[单片机开发] baluqiangdaqi

八路抢答器的课程设计, 抢答器具有数据锁存和显示的功能。抢答开始后,若有选手按动抢答按钮,编号立即锁存,并在LED数码管上显示出选手的编号,同时蜂鸣器给出音响提示。此外,要封锁输入电路,禁止其他选手抢答。优先抢答选手的编号一直保持到主持人将系统清零为止。
Eight Responder curriculum design, Responder has data latch and function display. After the answer began pressing the answer button if players, number immediately latched, and shows the player' s number on the LED digital tube, while the buzzer to give the audio prompts. In addition, to block the input circuit, against other players answer. Priority number Responder players remain to be cleared until the host system. (2014-12-05, WORD, 602KB, 下载2次)

http://www.pudn.com/Download/item/id/2668286.html

[单片机开发] ganyingdianji

利用模糊控制算法实现了一个小型直流电机的转速控制系统。用LabVIEW的模糊控制器设计工具进行模糊控制器的设计,通过NI-PCI6251完成实时速度采集以及电机转速控制。实际运行表明该系统具有超调小,调节时间短以及振荡小的优点。
The use of fuzzy control algorithm to achieve the speed control system of a small DC motor. Fuzzy controller with fuzzy controller design tools in LabVIEW design through NI-PCI6251 complete real-time speed of acquisition, and motor speed control. The actual operation shows that the system has a small overshoot, adjust short time, and the advantages of small oscillations. (2014-11-12, WORD, 421KB, 下载25次)

http://www.pudn.com/Download/item/id/2653770.html

[单片机开发] LED-current-drive-circuit

本文介绍的LED驱动器参考设计为一串正向偏压高达60V的LED提供700mA恒流驱动。本设计可基于电源斩波进行PWM调光。
LED with 700 ma constant current drive circuit (2013-11-07, WORD, 603KB, 下载11次)

http://www.pudn.com/Download/item/id/2394460.html

[单片机开发] lanqiujifenqi(lunwen)

这是一篇关于篮球计分器系统的论文,里面包含了整个系统的设计思路和各部分的原理图,还包括整个设计的程序代码。
This is a Basketball Scoring System on the paper, which contains the entire system design ideas and each part of the diagram, but also the entire design of the program code. (2013-07-27, WORD, 1314KB, 下载9次)

http://www.pudn.com/Download/item/id/2315602.html

[单片机开发] AVRandGCC

VR 单片机与GCC 编程使用方法。WINAVR 是一个ATMEL AVR 系列单片机的开发工具集,它包含GNU C 和C++编译器GCC。
VR Microcontroller with GCC program to use. WINAVR is a ATMEL AVR MCU development tool set, which includes GNU C and C++ compiler GCC. (2010-07-27, WORD, 54KB, 下载2次)

http://www.pudn.com/Download/item/id/1252588.html

[单片机开发] danpianjibaojing

该系统主要运用人体传感器(热释红外和微波传感双鉴器)进行报警信号的采集,由单片机系统接收接警信号以及对信号进行处理,并由双音多频模块和语音模块通过电话线路即时拨号报警;在报警同时,通知摄像监控系统对对应报警点进行图像的采集和存储
The system using the human body sensor (pyroelectric infrared and microwave sensors Shuangjian device) for alarm signal acquisition, Alarm signal received by the MCU system and the signals are processed by the DTMF module and the phone line real-time voice module Dial-up alarm in alarm at the same time, inform the camera monitoring system alarm points on the corresponding image capture and storage (2010-05-20, WORD, 97KB, 下载13次)

http://www.pudn.com/Download/item/id/1180727.html

[单片机开发] GSM

该系统主要运用人体传感器(热释红外和微波传感双鉴器)进行报警信号的采集,由单片机系统接收接警信号以及对信号进行处理,并由双音多频模块和语音模块通过电话线路即时拨号报警;在报警同时,通知摄像监控系统对对应报警点进行图像的采集和存储
The system using the human body sensor (pyroelectric infrared and microwave sensors Shuangjian device) for alarm signal acquisition, Alarm signal received by the MCU system and the signals are processed by the DTMF module and the phone line real-time voice module Dial-up alarm in alarm at the same time, inform the camera monitoring system alarm points on the corresponding image capture and storage (2010-05-20, WORD, 103KB, 下载22次)

http://www.pudn.com/Download/item/id/1180720.html

[单片机开发] spi_flash_M25P10_AVR

M25PXX系列串行闪存是ST公司推出的系列存储器产品,具有体积小、规格全、容量大、功耗低和硬件接口简单的特点,非常容易与各种单片机构成存储系统。本文重点介绍此类存储器与单片机的接口,并结合AVR单片机,给出实际的电路图和软件驱动函数。
M25PXX series serial flash memory is the ST has introduced a series of memory products, has a small size, specification, capacity, low power consumption and hardware interface features simple, very easy to constitute a storage system with a variety of SCM. This article focuses on such memory and microcontroller interface, combined with AVR microcontroller, given the actual circuit and software driver functions. (2010-04-18, WORD, 127KB, 下载22次)

http://www.pudn.com/Download/item/id/1131350.html

[单片机开发] E-clockworkandrest

电子作息时钟 基于80c51的飞利浦低功率、低系统成本微控制器51lpc系列是业界推动单片机向低功耗方向发展的主导单片机系列之一。51lpc系列单片机采用以下三种方法降低功耗:(1)使系统进入空闲模式,在空闲模式下,只有外围器件在工作,任意的复位及中断均可结束空闲模式;(2)使系统进入低功耗模式,在低功耗模式下,振荡器停止工作,是功耗降到最小(3)使系统进入低电压eprom操作;eprom包含了模拟电路,当vcc高于4v时,可通过软件使这些模拟电路掉电以降低功耗,在上电情况下可使系统退出该模式。
E-clockworkandrest (2010-03-22, WORD, 14KB, 下载11次)

http://www.pudn.com/Download/item/id/1095296.html

[单片机开发] Curriculumdesignintegrityofthenumberofelectricwash

本次课程设计要求利用定时器、数码管、LED等数字电路器件设计实现简易洗衣机功能。设计时考虑了很多种情况,根据本人的能力选择了一种。这个方案总共使用了一些或门、与门、非门以及电阻电容若干,74LS192NE555定时器各一个完成了简易洗衣机的功能实现。
The program design requirements for the use of timers, digital tube, LED devices such as digital circuit design to achieve easy washing machine features. Designed to take into account a very wide range of situations, according to my ability to choose a. The program using a total of some or doors, and doors, non-doors and a number of resistors and capacitors, 74LS192NE555 timer of a complete washing machine features easy to achieve. (2009-12-26, WORD, 312KB, 下载16次)

http://www.pudn.com/Download/item/id/1018366.html

[单片机开发] DA

将模拟的电信号转换成数字信号。在将物理量转换成数字量之前,必须先将物理量转换成电模拟量,这种转换是靠传感器完成的。
Will convert analog signals into digital signals. In the physical quantities into digital, you must first convert the electrical analog physical quantities, such conversion is done by sensors. (2009-12-17, WORD, 183KB, 下载8次)

http://www.pudn.com/Download/item/id/1008443.html

[单片机开发] 2

基于Matlab的伪码调相探测器系统仿真,毕业设计完整稿,适合做毕设的同学参考
Matlab code based on the pseudo-phase modulation detector system simulation, design of a complete draft graduation for students who do complete reference set (2009-07-27, WORD, 822KB, 下载44次)

http://www.pudn.com/Download/item/id/857841.html

[单片机开发] jisuanji

电脑经常放置在有较强的磁场环境下就有可能造成硬盘上数据的损失 甚至这种强磁 场还会使电脑出现一些莫名其妙的现象如 显 示器可能会产生花斑抖动等这种电磁干 扰主要有 音响设备 电机 大功能电器 电源 静电以及较大功率的变压器如 UPS 甚至
Computers are often placed in a strong magnetic field environment is likely to result in the loss of data on your hard disk or even such a strong magnetic field will make a number of computer display inexplicable phenomena such as jitter may be piebald electromagnetic interference, such as this there are sound major function of the electrical equipment, static electricity and electrical power transformers such as greater power and even UPS (2009-04-27, WORD, 1154KB, 下载4次)

http://www.pudn.com/Download/item/id/733712.html

[单片机开发] dpj

单片机直流电机控制器(附电路图和部分程序)
Single-chip DC motor controller (with circuit diagram and some of the procedures) (2007-11-22, WORD, 55KB, 下载202次)

http://www.pudn.com/Download/item/id/362919.html

[单片机开发] r1

1.学习交流电压、电流和功率的测量方法; 2.了解电压变送器、电流变送器的工作原理和使用方法; 3.对实验装置组成的测试系统进行电压和电流的标定; 4.对给定的负载电压和电流进行满量程校验,对给定的三个负载的有功功率进行测量。
1. Learning AC voltage, current and power measurement method 2. Understand the voltage transducer, current transducer of the working principle and use of methods 3. Experimental setup of the test system composed of voltage and current calibration 4. For a given load voltage and current for full-scale calibration of a given active power load of the three measurements. (2007-11-17, WORD, 103KB, 下载232次)

http://www.pudn.com/Download/item/id/362096.html

[单片机开发] 7

本课题所研究的可存储虚拟示波器定位为低档型,即在性能上只需满足大多场合的基本应用,努力实现小型化,价格尽可能低廉,这样在财力有限的小用户(电子爱好者、小型企业)中能够普及,在大用户的使用中发挥便携性强的优势,与高档示波器配合使用,互相取长补短。
Studied this subject can be stored as a virtual oscilloscope-type low-grade, that is, in terms of performance on most occasions, only to meet the basic application, and strive to realize miniaturization and low prices as much as possible so that limited financial resources to small users (electronic enthusiasts, small enterprises) can be universal, in the use of large users to play a strong advantage of portability, high-end oscilloscope used in conjunction with each other. (2007-07-29, WORD, 632KB, 下载14次)

http://www.pudn.com/Download/item/id/313069.html

[单片机开发] hhhhhhhhhhjjjjjjjjjjjjjjjjjjjjj

其中本次课设利用S51芯片中的定时计数器T0输出相应的方波来产生不同的音阶,制作一个简易电子琴,同时实现音乐播放功能。
which this course set up using the S51 chip Arithmometer T0 square wave output corresponding to the different sound bands, a simple flower production, while achieving functional music player. (2007-05-31, WORD, 235KB, 下载18次)

http://www.pudn.com/Download/item/id/290868.html

[单片机开发] modianshiyan_1

用原理图输入法设计门电路 一、 实验目的 ◆通过一个简单的反向器的现实,初步了解CPLD开发的全过程。 ◆学会利用软件仿真和硬件实现对数字电路的逻辑功能进行验证和分析。 ◆能够通过CPLD开发实现具有反向器功能的数字电路。 二、实验软件主要功能的介绍...........
Input Method with schematic design of a gate circuit, the experiment was a simple ◆ Reverse s reality, and a preliminary understanding of the development of the whole process of CPLD. ◆ learn to use software simulation and hardware realization of digital logic circuits to verify functionality and analysis. ◆ CPLD development through realization of the reverse function of the digital circuit. Second, the experimental introduction of the main functions of the software ........... (2007-05-20, WORD, 25KB, 下载2次)

http://www.pudn.com/Download/item/id/284982.html

[单片机开发] 80C196KC补充内容

本文件介绍了80C196KC与8096的区别,包括指令、寄存器结构、中断等方面的变化,有助于熟悉8096开发的人士尽快转80C196KC。
This document describes the 8096 80C196KC with the distinction, including instructions, register structure, such as interruption of changes, help with the development of the 8096 switch 80C196KC. (2005-04-27, WORD, 135KB, 下载82次)

http://www.pudn.com/Download/item/id/1114581587845837.html