SCHEME
共 175 篇文章
SCHEME 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 175 篇文章，持续更新中。
延迟容忍移动传感器网络中基于概率复制的数据传输策略及其性能研究
<p>摘 要：该文提出了一种基于概率复制的数据传输策略PRD(Probability Replication Delivery scheme)用于空间</p><p>中间断连通的延迟容忍移动传感器网络(DTMSN)数据传输。PRD 由选择复制策略和队列管理组成，前者根据节</p><p>点将消息传递给汇聚点的可能性，选择下一跳进行复制传输；队列管理则利用引入传输概率及复制数的消息生存</p><p>时间
IDT 15w 无线接收器P9221-R 数据手册
<p>IDT P9221-R 15w 无线充接收资料</p><p>The P9221-R is a high efficiency, Qi-compliant wireless power
receiver targeted for applications up to 15W. Using magnetic
inductive charging technology, the receive
dw1000双向测距的实现(英文版)
<p>INTRODUCTION In this application note two-way ranging (TWR) scheme as used by Decawave’s example application (DecaRanging) is described. TWR is a basic concept to calculate the distance between tw
基于AD2S1210的高精度RDC电路设计
<p>本文提出基于AD2S1210的旋变信号转换电路,给出了具体的电路实现方法和配置方法.相比以往的RDC方案,本系统具有精度高,设计灵活,可靠性高等特点,可广泛应用于各种伺服系统中.</p><p>In this paper, the switching signal conversion circuit based on ADS1210 is proposed, and the specific
基于数字电路的八路抢答器的设计与实现
<p>抢答器是一种智力竞赛常用的器件,抢答器的设计方法千差万别,文章利用常用的数字电子器件,设计了八路抢答器电路的设计、仿真及实现的全过程,提出两种可行的设计方案:方案1采用74ls373实现电路锁存,74ls148实现电路编码,74ls74及数码管实现电路显示;方案二采用CD4511BCN和LMC555CM集成电路及数码管实现抢答器的控制和显示。本文设计用的器件简单,容易理解,适用于初学电子技术
200W全数字开关电源设计
<p>通过采用无桥PFC和半桥LLC谐振变换器作为数字开关电源的主变换拓扑,基于STM32系列微控制器的全数字控制PFC和DC-DC变换器,首先对数字化开关电源方案进行对比,然后阐述了200W数字开关电源整体方案,并对数字开关电源的无桥PFC和半桥LLC变换器进行系统研究。</p><p>By using a bridgeless PFC and a half-bridge LLC resonant
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
用IAP技术在线升级STM32单片机固件
<p>针对嵌入式产品程序更新问题,提出了一种基于IAP技术的STM32单片机在线固件升级方案,设计了STM32单片机最小系统硬件电路和USB转串口通信电路,并给出了Bootloader程序、APP程序、PC上机程序的实现流程.实验结果表明,该方案具有简单实用、稳定性高、维护成本低和设备使用效率高的特点,适用于嵌入式产品升级.</p><p>For the problem of updating em
基于FPGA设计的相关论文资料大全 84篇
<p>基于FPGA设计的相关论文资料大全 84篇</p><p><br/></p><p>用FPGA实现FFT的研究
刘朝晖 韩月秋
摘 要 目的 针对高速数字信号处理的要求，给出了用现场可编程门阵列(FPGA)实现的
快速傅里叶变换(FFT)方案.方法 算法为按时间抽取的基4算法，采用递归结构的块浮点运
算方案，蝶算过程只扩展两个符号位以适应雷达信号处理的特点，乘法器由阵列乘法器实
现.
IW3617 230V 调光设计参考.pdf
<p>General Design Specification:</p><p>1. AC Input Range 180-264Vac, Isolated ac-dc offline, 12LEDS,Output 700mA</p><p>2. Intelligent wall dimmer detections(Leading-edge dimmer , Trailing-edge</p><p>d
Fundamentals_of_Global_Positioning_System1
The purpose of this book is to present detailed fundamental information on a<br />
global positioning system (GPS) receiver. Although GPS receivers are popu-<br />
larly used in every-day life, their
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
Spectrum+Access+and+Management
The radio spectrum is one of the most precious resources which must be managed<br />
to ensure efficient access for the wireless communication services which use it. The<br />
allocation and managemen
OFDM+Baseband+Receiver+Design
All wireless communication standards, existing and under development, adopt or<br />
consider adopting orthogonal frequency-division multiplexing (OFDM) as the<br />
modulation technique. It is clear
STBC scheme for mimo diversity
STBC scheme for mimo diversity
There is a DES crypto programm. Only for lab. To make some mesurements. And some Heming scheme s in
There is a DES crypto programm. Only for lab. To make some mesurements. And some Heming scheme s in a EWB (Electronic work Bench)
用scheme实现的八皇后
用scheme实现的八皇后，可以格式化输出，带有详细注释。
space time coding-alamouti scheme
space time coding-alamouti scheme
通过提高保证成本的状态延迟控制和量子自适应控制的一台四轮直升机的控制策略
Improved guaranteed cost control and quantum adaptive control are developed in this study for a quadrotor helicopter with state<br />
delay and actuator faults. Improved guaranteed cost control is des
its a ofdma simulink model. with a modulation scheme on 8psk
its a ofdma simulink model. with a modulation scheme on 8psk