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AD9910
- AD9910说明书。AD9910是一款内置14 bit DAC的直接数字频率合成器（DDS），支持高达1 GSPS的采样速率。AD9910采用高级DDS专利技术，在不牺牲性能的前提下可极大降低功耗。DDS/DAC组合构成数字可编程的高频模拟输出频率合成器，能够在高达400 MHz的频率下生成频率捷变正弦波形。-AD9910 manual. AD9910 is a built-in 14 bit DAC for direct digital frequency synthesizer (DDS),
Image_Paper_XuXG
- 图象分割是图象处理中的一项重要工作，目前手工与自动相结合的分割方法在实际工作中得到了广泛应用。本文根据图象经Maar变换后的特征，采用新的判断准则，提出了一种复杂物体边缘定位算法，可以对具有尖角特征的物体轮廓进行快速准确地提取，同时利用矢量化方法消除毛刺，使跟踪获得的边界更符合物体的实际轮廓特征。对多种图象的实验表明本文方法十分有效。-Image segmentation is an important image processing, the current combination of m
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- 基于背包和椭圆曲线的代理数字签名方案。结合椭圆曲线数字签名方案和变形的背包问题，提出了一种改进的椭国曲线数字签名 方案.-Backpack and the elliptic curve based on the proxy digital signature scheme. Combination of elliptic curve digital signature scheme and deformation of the knapsack problem, put forward an
sonix2100programGuide
- SNC21000 Series is a series of 16 to 500 seconds one-channel single chip voice synthesizer IC. It built in a 4-bit tiny controller, I/O ports, PWMIO, internal RAM, ROM, and a PWM Direct Drive Circuit (PWM Voice). By programming through the tiny
NANO
- Development work on the design of the iPod Nano started only nine months before its launch date The Nano was launched in two colors (black and white) with two available sizes: 2 GB (roughly 500 songs) and 4 GB (1000 songs). On February 7, 2006, Apple
reference
- 讲述DHTMLUsing DOM calls, the program dynamically creates a <table> element that contains a calendar for the given date and then inserts it in the document body. Then it shows this table at a specified position. Usually the position is relate
NICE3000
- NICE3000 是苏州默纳克控制技术有限公 司自主研发、生产的电梯一体化控制器，她将 电梯控制与电机驱动有机的结合在一起，是新 一代智能化矢量型电梯一体化控制器。 NICE3000 控制系统主要包括NICE3000 电梯 一体化控制器、轿顶控制板（MCTC-CTB-A）、 显示控制板（MCTC-HCB-H）、轿内指令板 （MCTC-CCB-A）、群控板（MCTC-GCB-A）、 短消息控制板（MCTC-IE-A）-Manual lift. NICE3000
changyongerjiguan
- 各种二极管的型号，结合了所有的类型，比较齐全-Various diode model, a combination of all types, relatively complete
yufafenxi
- 语法分析是编译过程的一个逻辑阶段。语法分析的任务是在词法分析的基础上将单词序列组合成各类语法短语，如“程序”，“语句”，“表达式”等等.语法分析程序判断源程序在结构上是否正确.源程序的结构由上下文无关文法描述.语法分析程序可以用YACC等工具自动生成。-Grammar analysis is a logical compile process stage. The task of grammatical analysis is in a separate lexical analysis on
Bode
- A Bode plot is a graph of the transfer function of a linear, time-invariant system versus frequency, plotted with a log-frequency axis, to show the system s frequency response. It is usually a combination of a Bode magnitude plot, expressing the magn
ISO_14496-3_Audio-Amd2
- This subpart of ISO/IEC 14496-3 describes the MPEG-4 Audio Lossless Coding (ALS) algorithm for lossless coding of audio signals. MPEG-4 ALS is a lossless compression scheme for digital audio data, i.e. the decoded data is a bit-identical rec
julei
- matlab与聚类分析的结合，用matlab解决聚类分析问题，适用于初学者 -matlab combination of cluster analysis, cluster analysis matlab solve problems, suitable for beginners
W-ind-Speed-Based-onM-atlab
- 在风力发电的模拟系统中,风速模拟是一个重要的环节,正确的风速模型不仅能够很好的 反应实际风速变化情况,而且能够给风力发电系统研究提供正确的源参数。本文用 Matlab/Simulink建立了风速组合数学模型,该模型将风速分为基本风速、阵风、渐变风速和噪声风 速4部分,仿真结果表明该模型能够理想的反应实际风速 -Wind speed simulation is an important part in the simulation of wind power generation
zuheshuxue
- 组合数学（combinatorial mathematics），又称为离散数学。狭义的组合数学主要研究满足一定条件的组态（也称组合模型）的存在、计数以及构造等方面问题。-Combinatorial Mathematics (combinatorial mathematics), also known as discrete mathematics. Narrow combination of mathematical research configuration to meet certain
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- 大家好，这是关于密码锁的电路图，需要的话可以参考下- 允许输入拉丁字符的拼音 英语 中文(简体) 日语 Hell
Research-on-Stepper-Motor-Control
- 本文介绍了一种采用AVR 高性能单片机Atmega128 与串行通信相结合的步进电机控制系统。该系统主要由上位机（PC 机）、下位机（单片机）及步进电机三部分组成，上下位机通过串口交互数据。最终实现了由PC 机直接控制步进电机。调试结果表明， 设计的控制电路和程序简单、实用，且具有便捷的人机交互界面。-This article describes the combination of a high performance AVR microcontroller Atmega128 wit
dsaddsafds
- PID控制器的性能取决于其控制参数的组合，针对其参数的整定和优化问题，提出了应用一种改进的粒子群优化算法，该 算法借鉴了遗传算法的杂交机制，并采用惯性权值的非线性递减策略。用以加速算法的收敛速度和提高粒子的搜索能力。将该算 法应用于一个二阶系统的PID控制器参数的优化。仿真结果表明该改进的粒子群算法具有比传统粒子群算法和遗传算法更好的 优化效果，具有一定的工程应用前景。-Abstract：PID controller’s performance completely depends
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- Abstract-The paper introduces a statistical channel model which is a combination of Rice and lognormal statistics, and is suitable in principle to all types of environment (rural, suburban, urban) simply by tuning the model parameters. The mode
FSKD.2009.210
- The paper describes a gesture recognition algorithm which can effectively recognize single-hand gestures in real time under complex environment. The system involves a vocabulary of 20 gestures consisted by part of Chinese sign language letter
Permutation-and-combination
- 在26个子母中去任意多个字母实现排列组合。-Permutation and combination