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Collected

  • This data set contains WWW-pages Collected from computer science departments of various universities

    This data set contains WWW-pages Collected from computer science departments of various universities in January 1997 by the World Wide Knowledge Base (Web->Kb) project of the CMU text learning group. The 8,282 pages were manually classified into the following categories: student (1641) faculty (1124) staff (137) department (182) course (930) project (504) other (3764)

    标签: universities departments WWW-pages Collected

    上传时间: 2015-11-12

    上传用户:chenlong

  • The ds 18 bs 20 of edit Collected materials procedure, inside have detailed Chinese to analyze

    The ds 18 bs 20 of edit Collected materials procedure, inside have detailed Chinese to analyze

    标签: Collected materials procedure detailed

    上传时间: 2014-01-02

    上传用户:com1com2

  • This is GPS Acquisition..by Matlab, this file performs cold start acquisition on the Collected "data

    This is GPS Acquisition..by Matlab, this file performs cold start acquisition on the Collected "data". It searches for GPS signals of all satellites, which are listed in field "acqSatelliteList" in the settings structure. Function saves code phase and frequency of the detected signals in the "acqResults" structure.

    标签: Acquisition acquisition Collected performs

    上传时间: 2013-12-28

    上传用户:wxhwjf

  • This is GPS Matlab acquisition code. Function performs cold start acquisition on the Collected "data

    This is GPS Matlab acquisition code. Function performs cold start acquisition on the Collected "data". It searches for GPS signals of all satellites, which are listed in field "acqSatelliteList" in the settings structure. Function saves code phase and frequency of the detected signals in the "acqResults" structure.

    标签: acquisition Collected Function performs

    上传时间: 2014-08-07

    上传用户:xjz632

  • Collected AVR assembler code samples to learn assembler. I use it in my classes.

    Collected AVR assembler code samples to learn assembler. I use it in my classes.

    标签: assembler Collected classes samples

    上传时间: 2014-01-14

    上传用户:lingzhichao

  • This sample I Collected is useful. Hope all of you will like it

    This sample I Collected is useful. Hope all of you will like it

    标签: Collected sample useful This

    上传时间: 2014-08-19

    上传用户:luopoguixiong

  • 基于AVR单片机的闭环控制系统

      针对科研实验中对拉压千斤顶加载过程控制的需要,采用ATmega128单片机控制步进电机进而实现对执行系统的电动泵站实行自动控制。对力和位移的数据采集与处理及用步进电机控制电动泵站手柄的技术细节作了重点描述。通过单片机的A/D变换器对AMP放大模块采集的电桥信号作量化处理,千斤顶的操控手柄位置依电动油泵阀门开启的方向和大小作若干定位,单片机根据力或位移传感器信号,实时控制步进电机驱动手柄旋转到相应操控位置。   Abstract:   This article describes the use of ATmega128 AVR microcontroller series of DBS electric pumping stations and QF100/200 separate twoway hydraulic jack to automate the process of manipulating the work of the technical content. Articles on force and displacement data acquisition and processing, and stepper motor control electric pump with the handle of the key technical details were described. Through the MCU’s A / D converter module is Collected on the AMP amplification quantify the signal bridge, jack handle position control valve opening according to the direction of electric pumps for a number of positioning and size of the microcontroller based on force or displacement sensor signals, real-time control stepper motor drive control handle rotate to the appropriate location.  

    标签: AVR 单片机 闭环控制

    上传时间: 2014-01-16

    上传用户:hasan2015

  • 基于MSP430F1611单片机的音频信号分析仪设计

      为了使音频信号分析仪小巧可靠,成本低廉,设计了以2片MSP430F1611单片机为核心的系统。该系统将音频信号送入八阶巴特沃兹低通滤波器,对信号进行限幅放大、衰减、电平位移、缓冲,并利用一单片机负责对前级处理后的模拟信号进行采样,将采集得到的音频信号进行4 096点基2的FFT计算,并对信号加窗函数提高分辨率,另一单片机负责对信号的分析及控制显示设备。此设计精确的测量了音频信号的功率谱、周期性、失真度指标,达到较高的频率分辨率,并能将测量结果通过红外遥控器显示在液晶屏上。   Abstract:   o make the audio signal analyzer cheaper, smaller and more reliable, this system sends the audio signal to the eight-order butterworth filter, and then amplifies, attenuates, buffers it in a limiting range, transfers the voltage level of the signal before utilizing two MSP430F1611 MCU to realize the audio analysis. One is charged for sampling and dealing with the processed audio signal Collected by the 4096 point radix-2 FFT calculation and imposes the window function to improve the frequency resolution. The other one controls the display and realizes the spectrum, periodicity, power distortion analysis in high resolution which is displayed in the LCD screen through the infrared remote control.

    标签: F1611 1611 430F MSP

    上传时间: 2013-12-11

    上传用户:jasonheung

  • 基于C8051F020单片机的多路压力测量仪

    介绍了一种基于C8051F020单片机的多路压力测量仪。该测量仪选用电阻应变式压力传感器采集压力信号,并经放大电路处理后送入C8051F020单片机,再由C8051F020单片机内部的A/D转换器将采集到的压力信号进行模数转化,然后分别对数据进行存储和显示。该测量仪能测量6路压力信号,并且各测量点都能单独检测和设置。由于采用了C8051F020单片机,简化了硬件电路,增强了抗干扰能力,使得测量仪具有测量精度高,冲击小等特点。 Abstract:  A measurement apparatus for multi-channel pressure based on single chip microcomputer is introduced.It can measure 6 channels signal of the pressure,and the pressure measure points can be detection and located individually.The pressure signal sampling is obtained by resistor stress-type pressure sensors,the digital signals of 6 channels are Collected through amplifying and adjustment circuit of pressure signals and internal integrated A/D converter of MCU.Finally,and it realizes the function to store and display data separately.C8051F020 was used to made hardware circuit simple,and it also enhanced the anti-interference ability.It features high precision and little impact.

    标签: C8051F020 单片机 多路 压力

    上传时间: 2013-11-16

    上传用户:yare

  • 51编程指南--MCSÉ-51 Program

    MCSÉ-51 Programmer's Guide and Instruction Set The information presented in this chapter is Collected from the MCSÉ-51 Architectural Overview and the HardwareDescription of the 8051, 8052 and 80C51 chapters of this book. The material has been selected and rearranged toform a quick and convenient reference for the programmers of the MCS-51. This guide pertains specifically to the8051, 8052 and 80C51.

    标签: Program Eacute MCS 51

    上传时间: 2013-11-13

    上传用户:hj_18