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jiekoutongxin
- 一、 设计目的及所需设备: 了解PC机串行口的使用;所需设备为:PC机,RS232插座及连线; 二、串行口的有关硬件资料 1. 9芯RS-232C接口标准: (1) 引脚1:CD,载体检测; (2) 引脚2:RXD,接收数据; (3) 引脚3:TXD,发送数据; (4) 引脚4:DTR,终端准备好; (5) 引脚5:信号地; (6) 引脚6:DSR,MODEM准备好; (7) 引脚7:RTS,请求发送; (8) 引脚8:CTS,清除发送; (9)
qpskasp1
- 此源码是用DSP实现QPSK调制,在CCS软件上实现.采样速率为14400样点/s,载波频率为1800Hz,带宽为300~3300Hz,符号速率为2400符号/s,滚降系数为0.35.-this source is used DSP QPSK modulation, the CCS software to achieve. Sampling rate of 14,400 samples / s, the carrier frequency of 1800 Hz. bandwidth of 300
DSP_DESIGN
- 基于C54X的DSP载波数字解调系统的设计,该硬件系统工作稳定,可以实现信号的实时处理,如可以实现语音信号的实时处理,通信信号的实时调制解调灯。在此基础上,为了验证DSP芯片的高性能,在此硬件平台上实现了两个具体应用:一个是高性能的FIR数字滤波器;一个是2FSK数字解调算法的实现。-C54X DSP-based carrier digital demodulation system design, the hardware system stability, can achieve the r
11b
- A New Optimization Model for Dynamic Power and Sub-Carrier
lonworks
- lonworks电力载波通讯设计技术,longworks在低压电力载波通讯中有广泛应用-lonworks power line carrier communication design, longworks in the low-voltage power line carrier communication are widely used in
plc
- 电力线载波通信方面的一点学习资料,希望对各位有所帮助。-Power line carrier communications learning materials that we hope will be helpful to you.
OFDM_Technique_Simulation_Performance
- 摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向,交频分复用 OFDM)是一种无线环境下的高速传输技术,它对高速列车控制信息传输中卞要受到的由于多 径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和 基本原理,然后在计算机上用M atlal〕对其性能进行了仿真,仿真中将OFDM与传统的单载波 调制方式—i1,交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较,最后分析了一者的仿真结果. -Abstract: Based
GM7221SCH
- 视频编码电路主要实现接收8位CCIR656格式的YUV数据,(例如MPEG解码数据),并编码成亮度Y和色度信号C,以及合成CVBS信号,经过D/A转换后输出。基本的编码功能包括副载波产生,色差信号调制,同步信号内插。 主要应用在视频处理,军事图像处理。 GM7221设计原理图-Video encoding circuit main reception 8 CCIR656 format YUV data (such as MPEG decoding the data), and encod
cbxtfa
- 抄电 力 线 载 波 扩 频 通 信 技 术 —— 多表抄控管理解决方案 表系统方案-Copy spread spectrum power line carrier communication technology- copy-controlled multi-table management solutions Table System
final
- In 揚erformance of multi-carrier DS CDMA Systems?we apply a multi-carrier signaling technique to a direct-sequence CDMA system, where a data sequence multiplied by a spreading sequence modulates multiple carriers, rather than a single carrier. The rec
John.Wiley.and.Sons.Multi.Carrier.and.Spread.Spec
- A great book about multi carrier and spread spectrum systems
LM567-Power-line-carrier
- 利用LM567进行电力线载波,鉴频,还原信号。-Power line carrier
Carrier-Recovery
- 本论文详细了关于载波恢复的锁相环原理,可以借鉴下,讲的不错-Of this thesis in detail on the carrier recovery phase-locked loop principle, can learn from the next, talking about good
Carrier-Overlapping-PWM-methods-for-three-phase-D
- Carrier Overlapping PWM methods for three phase Diode clamped five level Inverter
highorder-QAM-carrier-recovery-2001
- 一篇高阶QAM(256阶)载波恢复的外文文献,提出了一种极性判决和判决引导的双模式载波恢复方法-a paper about carrier recovery of high order QAM signals
multi-carrier-modulation
- 提出一种基于数字重采样的多载波调制方法,与传统的基于中频合路的多载波调制方式相比,具有硬件实现简单通道一致性好和易于调试的特点-Proposed a multi-carrier modulation method based on digital resampling, compared with the traditional IF combiner based multi-carrier modulation, simple channel with hardware consistency
qpsk-carrier-pick-out
- QPSK基带数字相干解调的载波提取_陈教芳 本文介绍了基带数字相干解调的载波恢复锁相环的结构原理,并对其进行了性能分 析.与四倍频方法比较,在相同条件下,前者比后者环路信噪比高5一1odB.实验结果表 明,恢复的载波稳定性良好。 -qpsk carrier pick out
Carrier-Placement
- 在导频放置Multicarrier-Based系统,关于信道估计方法-On the Pilot Carrier Placement in Multicarrier-Based Systems
Digital-Carrier-Modulation-with-MATLAB-and-SIMULI
- Digital Carrier Modulation with MATLAB and SIMULINK
Efficient-Clock-and-Carrier-Recovery
- 本文是Xiang zhou 老师2014年发表在IEEE SIGNAL PROCESSING MAGAZINE上的有关相干光通信定时和相位恢复算法的综述。-This article intends to present a systematic review on timing and carrier synchronization algorithms as well as the remaining challenges for single-carrier coherent optical
