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学术论文 高吞吐量LDPC码编码构造及其FPGA实现
低密度校验码（LDPC，Low Density Parity Check Code）是一种性能接近香农极限的信道编码，已被广泛地采用到各种无线通信领域标准中，包括我国的数字电视地面传输标准、欧洲第二代卫星数字视频广播标准（DVB-S2，Digital Video Broadcasting-Satellite 2）、IEEE 802.11n、IEEE 802.16e等。它是3G乃至将来4G通信系统中的核 ...
单片机编程 基于51单片机的无线识别装置系统
介绍一种简单射频识别系统设计。该设计包括阅读器、应答器和线圈3部分。由单片机控制阅读器向应答器发射无线信号，并接收应答器回送的信号，再通过分析回送信号识别物品。阅读器和应答器之间以半双工通信方式通信。
Abstract:
 A simple design of radio frequency identification system is given in this paper.T ...
单片机编程 基于C8051F系列单片机的无线收发电路设计
基于幅移键控技术ASK（Amplitude-Shift Keying），以C8051F340单片机作为监测终端控制器，C8051F330D单片机作为探测节点控制器，采用半双工的通信方式，通过监控终端和探测节点的无线收发电路，实现数据的双向无线传输。收发电路采用直径为0.8 mm的漆包线自行绕制成圆形空心线圈天线，天线直径为（3.4±0.3）cm。试验表明， ...
单片机编程 LPC1700以太网MIIM接口应用笔记
The LPC1700 Ethernet block contains a full featured 10 Mbps or 100 Mbps Ethernet MAC (Media Access Controller) designed to provide optimized performance through the use of DMA hardware acceleration. Features include a generous suite of control registers, half or full duplex operation, flow control, ...
单片机编程 Emulating a synchronous serial
The C500 microcontroller family usually provides only one on-chip synchronous serialchannel (SSC). If a second SSC is required, an emulation of the missing interface mayhelp to avoid an external hardware solution with additional electronic components.The solution presented in this paper and in the a ...
教程资料 8051VHDL代码
8051参考设计，与其他8051的免费IP相比，文档相对较全，Oregano System 提供
This is version 1.3 of the MC8051 IP core.
September 2002: Oregano Systems - Design & Consulting GesmbH
Change history:
- Improved tb_mc8051_siu_sim.vhd to verify duplex operation.
- Corrected problem with duplex operat ...
通信网络 航电AFDX总线监控器的设计和实现
AFDX（ Avionics Full Duplex Switch Ethernet）是空客公司首先提出的， 在商用以太网技术的基础上，通过增加特殊功能来保证航空应用的确定性和可靠性，是目前最先进的机载通信网络。文中针对航电设备与总线网络通信出现的故障，设计了某型号飞机AFDX总线监控器，该设备是一个便携式工控机，通过扩展AFDX总线接口卡，实时、 ...
可编程逻辑 8051VHDL代码
8051参考设计，与其他8051的免费IP相比，文档相对较全，Oregano System 提供
This is version 1.3 of the MC8051 IP core.
September 2002: Oregano Systems - Design & Consulting GesmbH
Change history:
- Improved tb_mc8051_siu_sim.vhd to verify duplex operation.
- Corrected problem with duplex operat ...
电子书籍 Features • Compatible with MCS-51® Products • 8K Bytes of In-System Programmable (ISP
Features
&#8226 Compatible with MCS-51&reg Products
&#8226 8K Bytes of In-System Programmable (ISP) Flash Memory
– Endurance: 1000 Write/Erase Cycles
&#8226 4.0V to 5.5V Operating Range
&#8226 Fully Static Operation: 0 Hz to 33 MHz
&#8226 Three-level Program Memory Lock
&#8226 256 x 8-bit Internal ...
Linux/Unix编程 看n2实例 #Create a simulator object set ns [new Simulator] #Define different colors for data flows
看n2实例 #Create a simulator object
set ns [new Simulator]
#Define different colors for data flows
#$ns color 1 Blue
#$ns color 2 Red
#Open the nam trace file
set nf [open out-1.nam w]
$ns namtrace-all $nf
set f0 [open out0.tr w]
set f1 [open out1.tr w]
#Define a finish procedure
proc finish {} ...