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DigitalRadioMondiale
DRM(Digital Radio Mondiale)系统采用OFDM调制方式, 引入了先进的信源信道编码和调制技术,使得AM波段的音频广播质量大大提高,在保持现有10kHz带宽时接近了FM广播的质量[5](DRM (Digital Radio Mondiale) system uses OFDM modulation, the introduction of advanced source-channel coding and modulation techniques, making AM-band audio broadcast quality greatly improved, while maintaining the existing 10kHz bandwidth close to the quality of FM broadcasting [5])
- 2020-08-23 14:07:39下载
- 积分:1
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搭建BPSK+编码+交织仿真通信链路
说明: 搭建 BPSK+编码+交织仿真通信链路,仿真分析在不同信道条件下的不同译
码算法的误比特率性能。基于 matlab,搭建 BPSK+卷积编码+交织通信收发链路,
仿真参数如下: 1) 信源比特速率: 100 b R kbps = 2) 卷积编码:码率为 1/2,生成多项式为(561,753) 3) 译码方式:维特比译码(硬判决译码、软判决译码(8 比特量化)) 4) 交织:行列交织,交织器深度为 100bit,宽度为 10; 5) 仿真点数:106 1. 在 AWGN 信道下,仿真并绘出该系统在硬判决和软判决(3bit 量化)两
种译码方式下的信源误比特率曲线,并进行分析。 2. 设定某种交织器结构,在单径瑞利衰落信道( 100 d f Hz = )下,采用理 想信道估计,仿真并绘出该系统在有无交织、不同译码方式(硬判决和 软判决)时,在不同 0 b EN下的信源误比特率曲线,并进行分析。 3. 改变交织器结构,选择三种不同的交织深度(自行决定),在单径瑞利衰 落信道( 100 d f Hz = )下,仿真并绘出该系统在不同交织长度时,在不 同 0 b EN下的信源误比特率曲线,并进行分析。(Build a BPSK + encoding + interleaving simulation communication link, and analyze the different translations under different channel conditions
The bit error rate performance of the code algorithm. Based on MATLAB, BPSK + convolutional coding + interleaved communication transceiver link is built,
The simulation parameters are as follows: 1) source bit rate: 100 b r Kbps = 2))
- 2020-05-15 12:24:37下载
- 积分:1
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Verilog
说明: 基于FPGA的16QAM调制解调设计,以及仿真实现(Design of 16QAM Modulation and Demodulation Based on FPGA)
- 2021-02-19 16:29:44下载
- 积分:1
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Montecarlo
光源布局优化蒙特卡洛算法仿真等等对于平面估计定位精度提高(Simulation of light source layout optimization Monte Carlo algorithm and so on for improving the accuracy of plane estimation)
- 2017-12-14 11:23:14下载
- 积分:1
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单脉冲和差波束法测角的matlab代码及支持函数
说明: 单脉冲和差波束法测角的matlab代码及支持函数,生成和差波束鉴角曲线,可以直接运行(The matlab code and support function of single pulse sum difference beam angle measurement can generate sum difference beam angle discrimination curve and run directly)
- 2021-01-05 17:18:53下载
- 积分:1
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ColorGraph
在D2D模型中使用图着色方法进行仿真的程序(Programs that use the graph coloring method for simulation in the D2D model)
- 2021-04-28 23:48:43下载
- 积分:1
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SER_compare
ofdm系统基于LS和LMS信道估计的SER性能仿真对比。(ofdm system based on LS and LMS Channel Estimation SER Performance Comparison.)
- 2007-06-15 19:12:39下载
- 积分:1
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维纳滤波器
说明: 原始信号加载高斯白噪声和椒盐噪声后用维纳滤波器滤波(The original signal was loaded with White Gaussian noise and salt noise and then filtered by Wiener filter)
- 2020-06-09 22:09:08下载
- 积分:1
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shaping_filter_and_dsp_realize_theory
基带脉冲成形数字滤波器的MATLAB设计与DSP上的实现(shaping filter and dsp realize theory )
- 2009-11-22 21:51:39下载
- 积分:1
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modem
A differential QPSK modem using the TMS320C6711 DSK
- 2012-09-30 03:01:43下载
- 积分:1