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同步DMX512 简介和控制器的设计
在灯具调光和控制中，人们大量采用了DMX512 的控制协议，它是由美国剧
场技术协会（United State Institute for Theatre Technology，Inc）于1986
年8 月提出的一个能在一对线上传送512 路可控硅调光亮度信息的标准.
DMX512 通信方式是采用了异步通信格式,每个调光点由11 位组成,其中一个
是起始位,8 位调光数据,两个停止位.每一次传输能512 个调光点.-DMX512
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各种同步实验及系统设计。包括：同步载波提取、帧同步信号提取实验、位同步信号提取实验以及衰落信道帧同步电路设计与实现和位同步的提取方法设计。-Various synchronization experiment and system design. Including: synchronous carrier extraction, frame synchronization signal extraction experiments, bit synchronization signal ext
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Owing to the broad application value of audio
watermarking in remote transmission and mobile
extraction, it is very important to study watermarking
approaches against A/D and D/A conversion. Based
on wavelet decomposition and cepstrum technol
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Owing to the broad application value of audio
watermarking in remote transmission and mobile
extraction, it is very important to study watermarking
approaches against A/D and D/A conversion. Based
on wavelet decomposition and cepstrum technol
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0下载：
Owing to the broad application value of audio
watermarking in remote transmission and mobile
extraction, it is very important to study watermarking
approaches against A/D and D/A conversion. Based
on wavelet decomposition and cepstrum technol
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介绍了在数字语音通信中, 利用在系统可编程技术和复杂可编程逻辑器件CPLD, 实现了数字语音的复接和分接
对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。实际应用结果表明, 系统工作稳
定可靠, 设计是成功的。-Describes the digital voice communications, the use of in-system programmable technical and complex programmable logic devic
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一种基于相位差分的GPS比特同步方法,很详细的讲解了GPS在相位差分中的应用。-Based on phase difference of the GPS bit synchronization, a very detailed explanation of the GPS application in the phase difference.
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是一篇关于基于FPGA海事卫星突发信号位同步的文章，希望对大家有用-One based on FPGA maritime satellite burst signal bit synchronization article, we want to
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Bit synchronization for GPS receiver
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FIFO程序，用来检测硬件平台的搭建是否成功。其中的数据有效位，数据同步收发数据等都非常好-FIFO procedures used to detect the hardware platform to build successful. Where the data valid bit, data synchronization send and receive data and so very good
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一种新型位同步时钟提取方案以及实现。基于的是fpga。-A new bit synchronization clock extraction programs and implementation. Based on the fpga.
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The MST717 is a highquality ASIC for NTSC / P AL car TV application. It receives analog NTSC / P AL CVBS and
S-V ideo inputs from TV tuners, DVD or VCR sources, including weak and distorted signals, as well as analog RGB
input from GPS systems.
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Considered a 16QAM communication system. The information rate is 2 Mb/s and the
carrier frequency is 12 GHz. Assumed perfect synchronization.
a) Simulated the system if the channel is AWGN and draw bit error rate of the system
versus Eb/No. Com
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充分地利用了DSP强大的信号处理能力和现代数值分析方法。 设计了电能表前端采样及计量模块的硬件，以及一套符合国标GB/T 17883-1999的 0.2S
级精度要求的算法，同时扩展了谐波分析功能。系统概述为：三相电压、电流
AD 采样，采样数据通过串口送至处理器(DSP)，由 DSP 对采样数据作电参数计
量和谐波分析，处理结果通过定制 LCD 显示，并通过脉冲口发出有功、无功校
表脉冲。DSP 采用 ADI 公司的 BLACKFIN531-16 位定点芯片，最高处理能力可
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基于OFDM调制解调通信系统的频偏估计技术matlab程序，对于研究者具有非常重要的参考价值。-QPSK modulation and demodulation literature, including modulation and demodulation, shaping filter, matched filtering, carrier synchronization, bit synchronization and other key technologies. For engine
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本设计是基于FPGA技术来实现QPSK
数字调制传输系统。通过VHDL语言基于
FLEXlOK芯片完成了QPSK数字调制系统
的调制与解调模块、位同步信号恢复模块、
帧同步信号提取模块，数据采集模块、数据
恢复等模块的设计与仿真。-This design is based on FPGA technology to achieve QPSK
Digital modulation transmission system. Based on the VHDL language
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gardner位同步算法，实现数字通信系统中位同步-gardner bit synchronization algorithm to achieve bit synchronization in a digital communication system
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