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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)

標簽： universities departments WWW-pages collected

上傳時間： 2015-11-12

上傳用戶：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

標簽： collected materials procedure detailed

上傳時間： 2014-01-02

上傳用戶：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.

標簽： Acquisition acquisition collected performs

上傳時間： 2013-12-28

上傳用戶：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.

標簽： acquisition collected Function performs

上傳時間： 2014-08-07

上傳用戶：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.

標簽： assembler collected classes samples

上傳時間： 2014-01-14

上傳用戶：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

標簽： collected sample useful This

上傳時間： 2014-08-19

上傳用戶：luopoguixiong
基于AVR單片機的閉環控制系統

　　針對科研實驗中對拉壓千斤頂加載過程控制的需要，采用ATmega128單片機控制步進電機進而實現對執行系統的電動泵站實行自動控制。對力和位移的數據采集與處理及用步進電機控制電動泵站手柄的技術細節作了重點描述。通過單片機的A/D變換器對AMP放大模塊采集的電橋信號作量化處理，千斤頂的操控手柄位置依電動油泵閥門開啟的方向和大小作若干定位，單片機根據力或位移傳感器信號，實時控制步進電機驅動手柄旋轉到相應操控位置。　　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.

標簽： AVR 單片機閉環控制

上傳時間： 2014-01-16

上傳用戶：hasan2015
基于MSP430F1611單片機的音頻信號分析儀設計

　　為了使音頻信號分析儀小巧可靠，成本低廉，設計了以2片MSP430F1611單片機為核心的系統。該系統將音頻信號送入八階巴特沃茲低通濾波器，對信號進行限幅放大、衰減、電平位移、緩沖，并利用一單片機負責對前級處理后的模擬信號進行采樣，將采集得到的音頻信號進行4 096點基2的FFT計算，并對信號加窗函數提高分辨率，另一單片機負責對信號的分析及控制顯示設備。此設計精確的測量了音頻信號的功率譜、周期性、失真度指標，達到較高的頻率分辨率，并能將測量結果通過紅外遙控器顯示在液晶屏上。　　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.

標簽： F1611 1611 430F MSP

上傳時間： 2013-12-11

上傳用戶：jasonheung
基于C8051F020單片機的多路壓力測量儀

介紹了一種基于C8051F020單片機的多路壓力測量儀。該測量儀選用電阻應變式壓力傳感器采集壓力信號，并經放大電路處理后送入C8051F020單片機，再由C8051F020單片機內部的A/D轉換器將采集到的壓力信號進行模數轉化，然后分別對數據進行存儲和顯示。該測量儀能測量6路壓力信號，并且各測量點都能單獨檢測和設置。由于采用了C8051F020單片機，簡化了硬件電路，增強了抗干擾能力，使得測量儀具有測量精度高，沖擊小等特點。 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.

標簽： C8051F020 單片機多路壓力

上傳時間： 2013-11-16

上傳用戶：yare
51編程指南--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.

標簽： Program Eacute MCS 51

上傳時間： 2013-11-13

上傳用戶：hj_18

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collected

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

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

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

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

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

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

基于AVR單片機的閉環控制系統

基于MSP430F1611單片機的音頻信號分析儀設計

基于C8051F020單片機的多路壓力測量儀

51編程指南--MCSÉ-51 Program