摘要:通過對西瓜的力學和物理特性的分析,設(shè)計一套以凌陽十六位單片機為控制核心,以MEMS(微機電系統(tǒng))加速度傳感器為檢測工具,以FFT(快速傅里葉變換)為信號分析和計算方法的西瓜成熟度快速檢測裝置.檢測過程中,利用對西瓜的敲擊產(chǎn)生的振動頻率響應(yīng),來準確判斷西瓜的成熟程度.檢測結(jié)果將顯示在液晶顯示器上,包括振動波形,振動頻率和成熟度指數(shù),并且進行成熟度等級分類.關(guān)鍵詞:MEMS;單片機;西瓜成熟度
上傳時間： 2013-10-14
上傳用戶：urgdil
mems
標簽： electrostatic micromirror repulsive actuated
上傳時間： 2013-10-18
上傳用戶：manking0408
The field of microelectromechanical systems (MEMS), particularly micromachinedmechanical transducers, has been expanding over recent years, and the productioncosts of these devices continue to fall. Using materials, fabrication processes, anddesign tools originally developed for the microelectronic circuits industry, newtypes of microengineered device are evolving all the time—many offering numerousadvantages over their traditional counterparts. The electrical properties of siliconhave been well understood for many years, but it is the mechanical properties thathave been exploited in many examples of MEMS. This book may seem slightlyunusual in that it has four editors. However, since we all work together in this fieldwithin the School of Electronics and Computer Science at the University of Southampton,it seemed natural to work together on a project like this. MEMS are nowappearing as part of the syllabus for both undergraduate and postgraduate coursesat many universities, and we hope that this book will complement the teaching thatis taking place in this area.
上傳時間： 2013-10-16
上傳用戶：朗朗乾坤
MEMS
上傳時間： 2013-10-28
上傳用戶：sdlqbbla
Abstract: Standard PCB design and mounting processes can adversely influence MEMS inertial sensors.This application note contains guidelines for the layout, soldering, and mounting of MEMS inertialsensors in LGA packages in order to reduce stresses and improve functionality.
上傳時間： 2014-01-15
上傳用戶：sjb555
MEMS慣性傳感器作為工業(yè)應(yīng)用領(lǐng)用新興的應(yīng)用元件，不論在商業(yè)、工業(yè)還是軍工應(yīng)用上都有著廣闊的應(yīng)用。文中給出了幾種MEMS的在不同領(lǐng)域內(nèi)的應(yīng)用范例，并解析了相應(yīng)的原理，并從一款較常用的MEMS入手提出了對相應(yīng)領(lǐng)域內(nèi)的解決思路。
標簽： MEMS 慣性傳感器 中的應(yīng)用 控制系統(tǒng)
上傳時間： 2013-10-13
上傳用戶：sc965382896
Abstract: The number of uses for microelectromechanical systems (MEMS) is growing—they allow us todo jobs once considered impossible. This tutorial explains the applications for MEMS and the increasingneed to provide precision control and drivers for these devices. Design and manufacturing considerationsare also discussed.
標簽： MEMS 微機電系統(tǒng) 控制驅(qū)動
上傳時間： 2013-11-12
上傳用戶：paladin
200680048256-MEMS諧振器及其制造方法,以及MEMS振蕩器
上傳時間： 2013-11-02
上傳用戶：wangyi39
MEMS是融合了硅微加工,LIGA和精密機械加工等多種加工技術(shù),并應(yīng)用現(xiàn)代信息技術(shù)構(gòu)成的微型系統(tǒng).
上傳時間： 2013-10-13
上傳用戶：66666
TheTool is highy customizable map editor(based on QT) which can be extended via LUA scripts. A first implentation is ready and can be published to the public. The editor is the perfect tool who wants to design some 3d games but don t have time to write
標簽： customizable extended TheTool scripts
上傳時間： 2013-12-12
上傳用戶：lanwei
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