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在COFDM传输过程中白噪声的影响。信噪比从0~20db,BER的变化。调制方式:BPSK/QPSK/16PSK-COFDM transmission in the course of white noise impact. Signal-to-noise ratio from 0 ~ 20db, BER changes. Modulation : BPSK/QPSK/16PSK
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有关于OFDM在不同信噪比下的误比特率,大家可以看看啊-on OFDM different signal-to-noise ratio in the bit error rate, we can see ah
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设计一种具体的导引辅助的信道估计方法,用Simulink进行仿真,测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线,画出比特信噪比与误码率的关系曲线,Design a specific guide-assisted channel estimation method, using Simulink simulation, measurement BPSK modulation BER performance. Draw-bit signal to noise ratio
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广义球形解码源代码,包括信噪比、复杂度、以及天线数量各种参数的仿真-Generalized sphere decoder source code, including signal to noise ratio, complexity, and various parameters of the simulation the number of antennas
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基于期望最大化(EM)的最大后验信道估计算法(MAP)在高信噪比(SNR)下将很难获得较低的估计误差,并且,对于导频辅助的MIMO-OFDM系统,OFDM符号的数据传输效率随着发送天线的增加而明显下降.为改善这两种缺陷,引入一种等效的信号模型来改善高SNR下的估计性能 在相邻多个OFDM符号内使用相移正交导频序列和联合估计来提高系统的数据传输效率和估计性能 根据角域内信道间的独立性来减小噪声对估计的影响.通过仿真实验可知,所提算法具有更小的估计误差和更高的数据传输效率.-Maximum a po
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设计一个有干扰的直接序列扩频通信系统, PN码由m序列产生器产生,经过高斯白噪声信道。在接收端接收到的信号包括“有用信号+高斯白噪声+干扰”,将接收信号进行解扩,判决,得到用户的信号检测结果,绘制不同的扩频增益(增益值为10,30,50)下,误比特率随信噪比Eb/N0的变化曲线。-Design of a direct sequence spread spectrum interference system, PN code generated by the m sequence generato
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应用C语言对ldpc进行仿真,包含信噪比以及误码率的产生-Application of C language ldpc simulation, including the generation of signal to noise ratio and bit error rate
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8单径瑞利信道中的四发四收V-BLAST:
(1) 请设计一种具体的导引辅助的信道估计方法,用Simulink进行仿真,测量16QPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线,画出比特信噪比与误码率的关系曲线。
(2) 计算所设计方案的频谱效率是多少,单位为bit/Hz/s。-8 Single-Path Rayleigh Channel Four received four V-BLAST: (1) Please design a specific guide-a
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16qam调制,matlab语言实现,包括眼图,误码率,信噪比-16qam modulation, Matlab language, including eye diagrams and bit error rate, signal to noise ratio
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B_Q_Q16_AWGN.rar是BPSK,QPSK,16QAM在高斯信道下的系统性能仿真,给出了信噪比SNR与误比特率BER 的关系。
16QAM是16进制的正交振幅调制在高斯信道和瑞利信道下的信噪比SNR与误比特率BER 的关系。都是matlab编写的-B_Q_Q16_AWGN.rar BPSK, QPSK, 16QAM in AWGN channel system performance simulation, given the relationship between the S
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系统分别对无线通信中的几种重要的多址接入协议进行了仿真,包括pure-ALOHA,slotted-ALOHA,CSMA以及ISMA,对每种协议的信噪比-误码率关系进行了分析。-Of wireless communications systems are in several important multiple access protocol simulation, including the pure-ALOHA, slotted-ALOHA, CSMA and ISMA, signal to
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(1)请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能,并画出比特信噪比与误码率的关系曲线。
(2)在单径瑞利信道中,请设计一种时分的导引辅助的信道估计方法,用Simulink进行仿真,测量BPSK的误码率性能,画出比特信噪比与误码率的关系曲线,并与(1)的曲线进行对比。
-(1) derived from single-Path Rayleigh channel coherent demodulation of BPSK theoretical bit error rate p
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该文件夹中的SC_TurboIC_MIMO_0524.m是将我turbo的编译码模块替换原来B3G系统中的turbo编译码模块而重新得到的.
定点仿真得,在比特信噪比>=0.5db时,经过一次大迭代,误码率接近0
当然,要得到更精确的结果,需要更多的仿真.-The folder is my SC_TurboIC_MIMO_0524.m the turbo codec module to replace the original B3G system turbo codec mod
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一种时分的导引辅助的信道估计方法,用Simulink进行仿真,测量BPSK的误码率性能,画出比特信噪比与误码率的关系曲线-A guided night-aided channel estimation methods, using Simulink simulation, surveying BPSK BER performance, drawn-bit signal to noise ratio and bit error rate curve
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这是关于ofdm-mimo的一段小程序,能运行出来,得出几个信噪比的图-This is on ofdm-mimo' s a small program that can run out of plans to draw a number of signal to noise ratio
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In this project we analyze and design the minimum mean-square error (MMSE) multiuser receiver for uniformly quantized synchronous code division multiple access (CDMA) signals in additive white Gaussian noise (AWGN) channels.This project is mainly bas
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在单径瑞利信道中,设计一种时分的导引辅助的信道估计方法,用Simulink进行仿真,测量BPSK的误码率性能,画出比特信噪比与误码率的关系曲线.-In a single Path Rayleigh channel, the design of a guided night-assisted channel estimation method, using Simulink simulation, measurement BPSK BER performance, draw-bit signal
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设计DS-CDMA一种具体的码分导引辅助的信道估计方法,接收机分别采用等均益合并、最大比合并。用Simulink进行仿真,测量BPSK的误码率性能,画出比特信噪比与信道估计均方误差的关系曲线,画出比特信噪比与误码率的关系曲线-Design of DS-CDMA code at a specific guide-assisted channel estimation method, the receiver, respectively, the combined use of all benefi
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DS-CDMA的MMSE算法程序,给出了不同信噪比下的BER性能比仿真曲线。-DS-CDMA of the MMSE algorithm program are given under different signal to noise ratio curve of BER performance than emulation.
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Based on the Duffing equation, a Duffing oscillator algorithm (DOA) to improve the signal-to-noise ratio (SNR) was presented. By simulated
and experimental data sets, it was proven that the signal-to-noise ratio (SNR) of the weak signal could be gr
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