he LPC932 can be used to create a Pulse Width Modulated PWM signal. That s an analog signal, with only 2 discrete levels, for example 0V and 5V and a constant period. The current value of this signal at a certain poiTnt of time is proportional to its Duty Cycle. That s the High Time during one period divided by the period. It can also be calculated as the average value during a particular period. That means after low pass filtering, (e.g. RC circuit) the signal becomes analog, with an actual value controlled by the microcontroller. The PWM functionality enables the LPC932 to control for example the speed of DC motors or the brightness of electric lighting.
標簽: signal Modulated analog create
上傳時間: 2015-05-14
上傳用戶:CHINA526
Frequency Scale Conversion From f To f Scale frq2mel mel2frq mel The mel scale is based on the human perception of sinewave pitch. frq2erb erb2frq erb The erb scale is based on the equivalent rectangular bandwidths of the human ear. frq2midi midi2frq midi The midi standard specifies a numbering of semitones with middle C being 60. They can use the normal equal tempered scale or else the pythagorean scale of just intonation. They will in addition output note names in a character format.
標簽: Scale Conversion Frequency mel
上傳時間: 2015-06-07
上傳用戶:
SDL Library Documentation. The SDL library is designed to make it easy to write games that run on Linux, *BSD, MacOS, Win32 and BeOS using the various native high-performance media interfaces, (for video, audio, etc) and presenting a single source-code level API to your application. SDL is a fairly low level API, but using it, completely portable applications can be written with a great deal of flexibility.
標簽: Documentation SDL designed Library
上傳時間: 2015-06-23
上傳用戶:nanxia
Programming C#, the top selling book on Microsoft s high-performance C# programming language, is now in its fourth edition. Aimed at experienced programmers and web developers, this comprehensive guide focuses on the features and programming patterns that are new to C#, and fundamental to the programming of web services and web applications on Microsoft s .NET platform.
標簽: high-performance Programming programming Microsoft
上傳時間: 2015-07-21
上傳用戶:l254587896
JavaTV Program source code Need to play Windows Media files and streams, mpeg4 video or DVDs in java? Access WDM capture devices? Control a firewire DVCam? Then maybe this can help you. dsj is an ongoing project to provide a java wrapper around Microsoft s DirectShow API. It offers a set of high level classes that give java easy access to functionality widely missed by java programmers and also lets you dive deeper into the interiors of Windows core api for 2D media. On the java side dsj tries to keep things open as possible - you may use it standalone or let it feed data into JMF or other APIs.
標簽: Program Windows streams JavaTV
上傳時間: 2013-12-17
上傳用戶:TF2015
LibTorrent is a BitTorrent library written in C++ for *nix, with a focus on high performance and good code. The library differentiates itself from other implementations by transfering directly from file pages to the network stack. On high-bandwidth connections it is able to seed at 3 times the speed of the official client. The client uses ncurses and is ideal for use with screen or dtach. It supports saving of sessions and allows the user to add and remove torrents.
標簽: performance LibTorrent BitTorrent library
上傳時間: 2015-07-24
上傳用戶:冇尾飛鉈
高質量C編程,軟件開發面試必備High qualicy C and C++ Programming is very useful book for you!it is very important to interview
標簽: very Programming important qualicy
上傳時間: 2015-09-02
上傳用戶:love1314
The LM158 series consists of two independent, high gain, internally frequency compensated operational amplifiers which were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage.
標簽: compensated independent internally frequency
上傳時間: 2014-01-09
上傳用戶:zwei41
OReilly.Ajax.on.Rails.Dec.2006. ISBN-10: 0-596-52744-6. Learn to build dynamic, interactive web applications using the two most important approaches to web development today: Ajax and the phenomenally efficient Ruby on Rails platform. This book teaches intermediate to advanced web developers how to use both Ajax and Rails to quickly build high-performance, scalable applications without being overwhelmed with thousands of lines of JavaScript code. More than just recipes, you also get a thorough, low-level understanding of what s happening under the hood.
標簽: interactive OReilly dynamic 52744
上傳時間: 2015-10-07
上傳用戶:獨孤求源
This Document provides the High Level Design specification for the Bootloader development and library porting for ADSP-BF533 based EZ-Kit Lite Board and STAMP Board. This document is meant to be the one of the inputs for the System Test Plan and the overall implementation of the same. This document also details the approach and assumptions made for the design
標簽: specification development Bootloader the
上傳時間: 2015-10-14
上傳用戶:D&L37