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VHDL/FPGA/Verilog Clock division document

Clock division document

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通讯编程文档  problem of blind demodulation of multiuser information symbols in a high-rate code-division multipl

problem of blind demodulation of multiuser information symbols in a high-rate code-division multiple-access (CDMA) network in the presence of both multiple-access interference (MAI) and intersymbol interference (ISI) is considered.

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通讯编程文档  A MATLAB program has been written to investigate Orthogonal Frequency Division Multiplexing (OFDM)

A MATLAB program has been written to investigate Orthogonal Frequency Division Multiplexing (OFDM) communication systems. This program is valuable for future researchers simulating systems that are too theoretically complex to analyze. Single-carrier QAM and multicarrier OFDM are compared to demonst ...

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书籍  Orthogonal+Frequency+Division+Multiplexing

Orthogonal frequency division multiplexing&nbsp; (OFDM) has been shown to be an effective technique to combat multipath fading in wireless channels. It has been and is going to be used in various wireless communication systems. This book gives a comprehensive introduction on the theory and practice ...

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书籍  Wavelength Division Multiplexing

Wavelength division multiplexing (WDM) refers to a multiplexing and transmission scheme in optical telecommunications fibers where different wavelengths, typically emitted by several lasers, are modulated independently (i.e., they carry independent information from the transmitters to the receivers) ...

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学术论文  基于FPGA的OFDM基带系统研究.rar

近几年来，OFDM(Orthogonal Frequency Division Multiplexing)技术引起了人们的广泛注意，根据这项新技术，很多相关协议被提出来。其中WiMax(Wireless MetropolitanArea Networks)代表空中接口满足IEEE 802.16标准的宽带无线通信系统，IEEE标准在2004年定义了空中接口的物理层(PHY)，即802.16d协议。该协议规定数据传输采用 ...

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学术论文  基于ARMDSP的OFDM水下图像传输系统的研究与实现

正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)技术是一种多载波传输技术，它的基本思想是在频域内将给定信道划分成几个相互正交的子信道，每个子信道使用一个子载波进行调制，各子载波并行传输。该技术可以有效提高频谱利用率，能够对抗多径效应产生的频率选择性衰弱和载波间干扰，在时变、频变、多径干 ...

https://www.eeworm.com/dl/514/10970.html

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学术论文  OFDM信道估计模块运算部件的FPGA设计

正交频分复用(OnIlogonaJ Frequency Division Multiplexing，OFDM)技术通过将整个信道分为多个带宽相等并行传输的子信道，通过将信息经过子信道独立传输来实现通信，子信道的正交性可以保证最大限度的利用频谱资源。OFDM系统通过循环前缀来消除符号间干扰(ISI)，通过IDFT/DFT调制解调降低了系统实现的复杂度。由于其频谱利 ...

https://www.eeworm.com/dl/514/11746.html

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学术论文  基于数据符号同步的FPGA仿真实现

近年来，人们对无线数据和多媒体业务的需求迅猛增加，促进了宽带无线通信新技术的发展和应用。正交频分复用 (Orthogonal Frequency Division Multiolexing，OFDM)技术已经广泛应用于各种高速宽带无线通信系统中。然而 OFDM 系统相比单载波系统更容易受到频偏和时偏的影响，因此如何有效地消除频偏和时偏，实现系统的时频同 ...

https://www.eeworm.com/dl/514/12675.html

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学术论文  基于FPGA全数字OFDM收发信机

正交频分复用(OFDM，Orthogonal Frequency Division Multiplexing)技术作为一种可以有效对抗信号波形间干扰的高速传输技术，引起了广泛关注。它利用许多并行的、传输低速率数据的子载波来实现高速率的通信。它的特点是各子载波相互正交，所以扩频调制后的频谱可以相互重叠，不但减小了子载波问的相互干扰，还大大提高了频谱 ...

https://www.eeworm.com/dl/514/13029.html

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