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单片机开发 // // Histogram Sample // This sample shows how to use the Sample Grabber filter for video image p
//
// Histogram Sample
// This sample shows how to use the Sample Grabber filter for video image processing.
// Conceptual background:
// A histogram is just a frequency count of every pixel value in the image.
// There are various well-known mathematical operations that you can perform on an image ...
书籍 Interactivity+in+Social+Media
When digital media is perceived only as a tool to deliver content the potential for
using its affordances to explore meaning is lost. Rather than seeing media only as
an access point, we can view it as a way to enhance the expressiveness of content.
Today blogs, wikis, messaging, mash-ups, and socia ...
笔记 音频放大器设计
This design uses Common-Emitter Amplifier (Class A) with 2N3904 Bipolar Junction Transistor.
Use “Voltage Divider Biasing” to reduce the effects of varying β (= ic / ib) (by holding the Base voltage constant) 
Base Voltage (Vb) = Vcc * [R2 / (R1 + R2)] 
Use Coupling ...
技术资料 单片机的多点温度显示和报警系统设计
本文介绍以单片机为核心的多点温度显示与报警系统的设计,硬件电路由复位电路、测量电路、键盘输入电路、温度显示电路以及报警电路构成。系统通过键盘输入电路将预设温度临界值输入单片机,由多个DS18B20以多点组网的方式实现温度的多点测量,并将测量的实时温度反馈给单片机,单片机通过温度显示电路显示,当温度超过临界值时通 ...
Java编程 3． 设计一个接口Shape
3． 设计一个接口Shape，接口中包含方法：Draw和Resize。定义一些具体类，如：Point、Line、Circle、Rectangle等，每个类都实现接口Shape。Draw方法绘制图形，Resize方法改变图形大小。用Java实现这些接口和类，并用测试类测试它们。 注意：不需要真正绘制图形，如Line的Draw方法只需输出下面文本即可： “直线的起点是（x1 ...
Java书籍 Overview If you have been wanting to learn Java, check out the newly revised fourth edition of the
Overview
If you have been wanting to learn Java, check out the newly revised fourth edition of the best-seller Sams Teach Yourself Programming with Java in 24 Hours. This step-by-step tutorial will teach you how to create simple Java programs and applets. Comprised of 24 one-hour lessons, this new e ...
Java编程 What I am trying to introduce here is a full fledged Java Instant messenger, which has all the featu
What I am trying to introduce here is a full fledged Java Instant messenger, which has all the features supplied by commercial messengers like Yahoo or MSN. Although it cannot compared to be in par with those messengers, it is an attempt by me to learn Advanced Java and JNI concepts. The challenges ...
其他 C in A Nutshell Learning a language--any language--involves a process wherein you learn to rely les
C in A Nutshell
Learning a language--any language--involves a process wherein you learn to rely less and less on instruction and more increasingly on the aspects of the language you ve mastered. Whether you re learning French, Java, or C, at some point you ll set aside the tutorial and attempt to co ...
书籍 MultivariableControlSystems
This introductory chapter is devoted to reviewing the fundamental ideas of
control from a multivariable point of view. In some cases, the mathematics
and operations on systems (modelling, pole placement, etc.), as previously
treated in introductory courses and textbooks, convey to the readers an un- ...
技术资料 基于VisSim_ECD的直流电机控制系统设计
·摘要：  通过一个高速直流电机闭环控制系统的设计实例,阐述VisSim/ECD在快速开发TI C2000系列DSP控制器中的优势;介绍VisSim/Fixed Point模型库对定点算法的支持,并完整地给出用于生成PWM波形的定点PI控制器的设计方法及流程.另外,简单说明增量式编码器的原理和与其相应的接口模块的设置.   ...