Description: MATLAB程序的仿真比较。随后，针对QPsK，详细讨论了其基本原理和具体的实现算法，并进行了仿真验证，然后选用HSP502巧数字上变频芯片和HSP50214B数字下变频芯片，设计了数字调制、解调器的实现方案。最后，作为对整个数字视频图像传输系统的宏观认识，利用M户JLAB中的实时建模仿真Simullnk库对典型的视频图像传输系统一数字视频广播系统(D vB)，进行了建模、仿真和初步的分析，结果表明:在高斯白噪声的传输环境下，系统采取的一系列抗干扰措施，包括内、外码级联的信道纠错编码和先进的调制技术(o FDM)等，保证了信源信息传输的有效进行。-MATLAB simulation comparison. Then, against QPsK to discuss in detail the basic principles and specific algorithm, a simulation test, and then choose the cleverest HSP502 figures HSP50214B frequency chips and digital down conversion chips, the design of digital modulation, demodulation for the realization of the program.MJLABSimullnk(D vB):Andean white noise transmission environment, the system adopted a series of anti-jamming measures, including internal and external codes Cascade Channel advanced error correction coding and modulation techniques (o FDM), ensuring a source of information for the effective transmission. Platform: |
Size: 8597504 |
Author:lzy |
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Description: 卷积码在AWGN信道下的实现
包括simulink文件与.m文件 -Convolutional Codes in AWGN channel, including the realization of documents and Simulink. M documents Platform: |
Size: 25600 |
Author:gaohongfeng |
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Description: 这些代码包括ofdm的实现和信道估计,可以运行,有指导程序的说明文档.-These codes, including the realization of OFDM and channel estimation, you can run, has the guidance of the procedure documentation. Platform: |
Size: 125952 |
Author:martin |
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Description: 733843ofdm信道编码和译码的源代码\信道编译码的Matlab源代码,这里边主要是对ofdm的实现作了说明-733843ofdm channel coding and decoding of the source code of the Matlab-channel codec source code, here mainly for the realization of OFDM described Platform: |
Size: 75776 |
Author:路敬 |
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Description: 伪随机序列在扩频通信、流密码、信道编码等领域有着十分广泛的应用。文通过对伪随机m序列的编码和译码算法进行的MatLab语言仿真，验证了伪随机序列码的编码和译码算法，丰富了伪随机序列的实现方法，并提供了源代码。-Pseudo-random sequence in the spread spectrum communication, stream cipher, in areas such as channel coding has a very wide range of applications. Through the pseudo-random sequence m of encoding and decoding algorithm for the MatLab language simulation code pseudo-random sequence of coding and decoding algorithm, has enriched the realization of pseudo-random sequence method, and provides the source code. Platform: |
Size: 89088 |
Author:Navy2008_CHINA |
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Description: 掌握梳状导频和信道估计算法，实现MATLAB仿真；建立简单的系统结构和信道模型；在含多普勒频移的瑞利衰落信道下，进行含信道估计算法的OFDM系统仿真，并进行性能分析。
-Comb master and pilot channel estimation algorithm, the realization of MATLAB simulation the establishment of a simple system structure and channel model with Doppler frequency shift in the Rayleigh fading channel, the channel estimation algorithm with the OFDM system simulation and performance analysis. Platform: |
Size: 10240 |
Author:林杉 |
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Description: 用MATLAB实现了该算法，并对所实现方法进行了验证，在步骤（3）中则给出了求出滤波器类型及参数的方案，并进行验证，在步骤（4）中通过MATLAB的AWGN函数等相关知识实现了AWGN信道的仿真。
本文首先介绍数字水印和音频水印的相关概念和发展概况，接着介绍了完成仿真工作所需的基础知识，之后提出DA/AD变换的仿真实现，-Using MATLAB realization of the algorithm, and the realization method of authentication, in step (3) in the given filter type and parameters to derive the program and verify, in step (4) through MATLAB-AWGN function and other relevant knowledge to achieve the AWGN channel simulation. This paper first introduces the digital watermarking and audio watermarking-related concepts and developments, and then introduced a complete simulation of the basic knowledge required, after the DA/AD conversion of the simulation, Platform: |
Size: 3072 |
Author:byleimin |
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Description: 给出纠错码性能测试仿真的一般方法，重点研究其信道差错序列的产生，然后利用Matlab实现卷积码编码及其Viterbi译码的性能测试仿真-Error-correcting codes are given the general simulation performance test methods, focus on the channel error sequence generated, and then the realization of convolutional codes using Matlab coding and Viterbi decoding performance test simulation Platform: |
Size: 2048 |
Author:王学文 |
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Description: 用MATLAB设计及FPGA实现IIR滤波器的方法
摘要 本文介绍了IIR数字滤波器的传统设计思想与步骤及计算机辅助设计方法。并在FPGA上高效实现的低阶IIR滤波
器，其阶数低，实时响应快，适合雷达等的实时、高效处理环境。利用IIR滤波器的多相结构来实现该滤波器系统的方法，对于
四通道的情形在MATLAB上利用Simulink作了仿真, 并在目标板上对算法进行了实现,证明该系统能够同时处理四个通道的信号。-Using MATLAB Design and FPGA realization IIR Filter method Abstract This paper introduces IIR digital filter traditional design Thought and steps and CAD method. And FPGA on efficient realization low IIR filter, its order low, real response fast suitable radar real time, efficient processing environment. Use IIR filter multiphase structure realize the filter systematic method, for four channel circumstances in MATLAB on use Simulink made simulation and target board algorithm was realized proved system can simultaneously four channel signal. Platform: |
Size: 2021376 |
Author:sfef |
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Description: 介绍了数字通信中的QPSK调制解调的原理，通过用Matlab编写脚本程序对QPSK通信系统的发射和接收过程的具体实现进行模拟仿真，绘出信号在理想信道和加噪信道中模拟传输时的时域图，并对各模块进行了频谱分析，所得到的结果与
理论基本相符，对于理解QPSK系统的性能并在系统的实际应用上作进一步的设计，提供了有效的参考依据。
-The introduction was done with the principle of the QPSK modulation and demodulation in digital communications，a script was written by using Matlab program to CalTy out a simulation of the QPSK communication
system．which contains the concrete realization of transmit and receive process．The time-domain diagram is drew
separately when the signal transmits in the ideal channel and in the channel with noise，spectral analysis of each
module is also done，the results obtained with theoretical results in the main，which provides an effective frame of
reference for understanding the performance of QPSK systems，and the practical application in the system to make
further designed． Platform: |
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Author:王华 |
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Description: 根据TCHFS信道的技术标准,用MATLAB语言编写程序模块,实现编译码模块功能-According to the standard TCHFS channel technology, MATLAB language program modules, realization of decoding module function Platform: |
Size: 173056 |
Author:Giqbvxt |
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Description: 根据TCHFS信道的技术标准,用MATLAB语言编写程序模块,实现编译码模块功能-According to the standard TCHFS channel technology, MATLAB language program modules, realization of decoding module function Platform: |
Size: 173056 |
Author:passtng |
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Description: 根据TCHFS信道的技术标准,用MATLAB语言编写程序模块,实现编译码模块功能(According to the standard TCHFS channel technology, MATLAB language program modules, realization of decoding module function) Platform: |
Size: 172032 |
Author:uqa%409328
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