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共 284 篇文章
Same 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 284 篇文章，持续更新中。
LQFP,TQFP,QFP,CQFP封装尺寸表
<p>Low Profile Quad Flat Pack (LQFP) packages provide the same benefit of the metric QFP packages, but are thinner (body thickness of 1.4mm) and have a standard lead-frame footprint (2.0mm lead footpr
Spartan-6 datasheet Spartan系列FPGA芯片
<p>Spartane-6 LXand LXT FPGAs are available in various speed grades, with -3 having the highest performance. The DC and AC electrical parameters of the Automotive XA Spartan-6 FPGAs and Defense-grade
基于STC12C5A60S2单片机的LED线阵显示装置
<p>LED 线阵显示装置, 分为 LED 线性旋转显示主机和图文录入器两部分。主机用直流电机带动由红绿 LED 组成的线阵旋转, 同时线阵按照时序依次切换显示状态, 在固定区域利用视觉暂留效果形成 16×16 点阵, 用以显示图文;图文录入器用 HMI 触控屏作为人机交互界面, 实现图文录入和回放功能。主机与图文录入器通过无线通信方式进行信息交互,可由图文录入器控制主机切换不同工作任务, 以及改
直流电动机测速装置
<p>本系统采用电动机电枢供电回路串接采样电阻的方式来实现对小型直流有刷电动机的转速测量。该系统主要由二阶低通滤波电路,小信号放大电路、单片机测量显示电路、开关稳压电源电路等组成。同时自制电机测速装置,用高频磁环作为载体,用线圈绕制磁环,利用电磁感应原理检测电机运行时的漏磁,将变化的磁场信号转化为磁环上的感应电流。用信号处理单元电路将微弱电信号转化为脉冲信号,送由单片机检测,从而达到准确测量电机的
电动汽车永磁无刷直流电机控制器设计
<p>对某四轮独立驱动电动汽车轮毂电机进行研究,设计一种永磁无刷直流电机控制器.以STM32F103RBT6芯片为基础,对电机驱动电路、采样电路和保护电路分别进行硬件设计与分析;同时,采用模块化软件设计方案,对该控制器的软件系统进行升级.实验验证表明:所设计的电机控制器能使电机响应迅速、转速稳定、无超调,且电动车动力输出性能良好.</p><p>A permanent magnet brushles
MCU+LAN9254 EtherCAT从站硬件设计
<p>LAN9254 + SAME54 MCU 从站设计</p><p><br/></p><p>•1.支持2/3个port口的EtherCat Slave控制器，并内置有8个FMMU 和8个SyncManagers;</p><p style=";line-height:90%;margin-top:13px;margin-bottom:0;text-indent:0in;text-align:lef
Embeddings in Natural Language Processing
Artificial Intelligence (AI) has undoubtedly been one of the most important buz-<br />
zwords over the past years. The goal in AI is to design algorithms that transform com-<br />
puters into “intelli
Bishop-Pattern-Recognition-and-Machine-Learning
Pattern recognition has its origins in engineering, whereas machine learning grew<br />
out of computer science. However, these activities can be viewed as two facets of<br />
the same field, and toge
Power Electronics And Motor Drives Advances
I am presenting this novel book on advances and trends in power electronics and motor<br />
drives to the professional community with the expectation that it will be given the same<br />
wide and enth
DRM023_3-Phase AC Designer Reference Manual
This reference design describes the design of a 3-phase AC induction<br />
vector control drive with position encoder coupled to the motor shaft. It<br />
is based on Motorola’s DSP56F805 dedicated mo
Advanced_Process_Engineering_Control
The present work, Advanced Process Engineering Control, is intended to be the<br />
continuation of the authorsʼ Basic Process Engineering Control published by<br />
DeGruyter in 2014. It presents the
A_Software-Defined_GPS_and_Galileo_Receiver
Software-defined radios (SDRs) have been around for more than a decade. The<br />
first complete Global Positioning System (GPS) implementation was described<br />
by Dennis Akos in 1997. Since then s
RFID_-_A_Guide_to_Radio_Frequency_IDentification
Radio frequency identifi cation (RFID) technology is a wireless communication<br />
technology that enables users to uniquely identify tagged objects or people.<br />
RFID is rapidly becoming a cost-e
Antenna design soltions for RFID tags
In modern societies, the production and trade of goods all around the world is<br />
constantly increasing. The latest technological achievements allow the<br />
mass-production of millions of items o
Electromagnetic+Transients+in+Power+Cables
For more than a century, overhead lines have been the most commonly used<br />
technology for transmitting electrical energy at all voltage levels, especially on the<br />
highest levels. However, in
ZTE-M-ICT
In a world where consumers,businesses and organizations are demanding faster,amerter and more seamlessly converged information technology and communization services,concepts such as Driverless Cars,co
Wireless Communications 2nd Edition
n the first part of this book, we give an introduction to the basic applications of wireless com-<br />
munications, as well as the technical problems inherent in this communication paradigm. After a<
Wavelength Division Multiplexing
Wavelength division multiplexing (WDM) refers to a multiplexing and transmission<br />
scheme in optical telecommunications fibers where different wavelengths, typically<br />
emitted by several laser
Visible Light Communication
Visible light communications (VLC) is the name given to an optical wireless<br />
communication system that carries information by modulating light in the visible spectrum<br />
(400–700 nm) that is p
Understanding_the_Basics_of_MIMO
An acronym for Multiple-In, Multiple-Out, MIMO communication sends the same data as several signals<br />
simultaneously through multiple antennas, while still utilizing a single radio channel. This i