Search - noise - CodeBus

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[3G develop] ofdm_cp DL : 0: 基于循环前缀的同步算法仿真，采用多符号求均值的办法减少噪声影响。-Cyclic prefix based synchronization algorithm simulation, the use of multi-symbol mean seeking ways to reduce noise impact.
Date : 2025-12-29 Size : 4.32mb User : herry
[3G develop] CHF DL : 1: 设定无线接入点能够始终提供最大吞吐量，终端节点的冗余通信模块各自的网络信道信噪比值随机变化，由此计算得冗余网络各自的CHF值。CHF切换机制根据冗余网络各自的采样值大小进行切换判决，考虑门限的CHF切换机制根据设定的上下切换门限值进行切换判决-Configure wireless access points can always provide the maximum throughput, end-node redundant network communication module respective channel signal to noise ratio value of random changes, which calculated the respective redundant network CHF values. CHF redundant network switching mechanism in accordance with their respective values of the size of the sampling switch decision, consider the threshold of CHF switch mechanism according to set upper and lower limit switch door switch decision
Date : 2025-12-29 Size : 1kb User : 王一
[3G develop] 8 DL : 0: 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-assisted channel estimation method, using Simulink simulation, measurement 16QPSK modulation BER performance. Draw-bit signal to noise ratio and channel estimation mean square error curve, draw-bit signal to noise ratio and bit error rate curve. (2) calculate the design of spectrum efficiency is the number of units of bit/Hz/s.
Date : 2025-12-29 Size : 10kb User : haohao
[3G develop] 87361015MIMO_OFDMsystem DL : 0: 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
Date : 2025-12-29 Size : 2kb User : 刘阅希
[3G develop] wlan_inoise.ps DL : 0: calculate the noise in th wirele-calculate the noise in th wireless
Date : 2025-12-29 Size : 1kb User : hama34000
[3G develop] 16qam_ysy DL : 0: 按照16Qam的原理，一步步仿真，里面含有多个文件，包括高斯白噪声的模拟-it includes a file of noise and 16qam
Date : 2025-12-29 Size : 2kb User : 苇夏
[3G develop] ofdmci DL : 0: Simulation program to realize OFDM transmission system Simulate effect of interfarence noise
Date : 2025-12-29 Size : 2kb User : tahir
[3G develop] bsk DL : 0: 建立二进制编码信道在高斯白噪声条件下模型，为分析信道无码率建立基础-The establishment of binary-coded channels under the conditions of the Gaussian white noise model for the analysis of non-bit-rate channel to establish a foundation
Date : 2025-12-29 Size : 71kb User : 王宇坤
[3G develop] www DL : 0: 瑞丽信道仿真噪声信号由MATLAB函数randn(1,N)产生，它从均值为0、方差为1的正态分布中产生N个伪随机数。每次迭代时，要使用相应的标准差对噪声的幅度进行尺度变换，最后，将输入信号和噪声信号相加得到输出信号。-Ruili channel simulation noise signal by the MATLAB function randn (1, N) generated, which from the mean 0, variance for a normal distribution N generate a pseudo-random numbers. Each iteration, it is necessary to use the corresponding standard deviation of the noise amplitude scaling, finally, the input signal and the noise signal to be added to the output signal.
Date : 2025-12-29 Size : 1kb User : eunice
[3G develop] CISQPSK DL : 0: 采用重要性采样的方法来代替蒙特卡罗仿真方法，确定数字通信系统的BER。重要性采样方法可以简单的增加信道噪声的方差，等效于使系统工作在一个较低的信噪比的环境下。-Using importance sampling method to replace the Monte Carlo simulation method to determine the digital communication system BER. Importance sampling method can be a simple increase in the variance of channel noise, is equivalent to make the system work in a lower signal to noise ratio environments.
Date : 2025-12-29 Size : 5kb User : minmin
[3G develop] JDCHE_and_JDPP_for_TD_SCDMA DL : 0: TD-SCDMA系统联合检测中的信道估计、信道估计后处理、信道估计串行干扰消除后处理算法的源代码。其中，信道估计采用频域快速FFT法以减少运算量；后处理采用激活窗检测法，只保留激活用户的多径信息，其余置0，以达到降低干扰及噪声的目的；串行干扰消除可以消除多小区信道估计的干扰，以得到本小区的纯净信道估计结果。-TD-SCDMA system, joint detection of channel estimation, channel estimation and post-processing, channel estimation and post-processing the serial interference cancellation algorithm source code. Among them, frequency-domain channel estimation using fast FFT method to reduce computational complexity post-processing detection method used to activate windows, leaving only the active user' s multi-path information, the remaining set 0, in order to achieve the purpose of reducing interference and noise serial interference cancellation can be Multi-cell channel estimation to eliminate the interference in order to get the purity of the cell channel estimation result.
Date : 2025-12-29 Size : 5kb User : 梦
[3G develop] SIMULATION DL : 0: Linear time varying Channel estimation using zero forcing algorithm describes bit error rate and signsl to noise ratio to analyse channel conditions of wireless communications
Date : 2025-12-29 Size : 5kb User : Selvakumar
[3G develop] EnergyDetectionAlgorithmInvestigatioonCooperative. DL : 0: 简要介绍了认知无线电中基于能量检测的频谱感知方法,在分析能量检测法原理和性能基础上,研究了噪声的不确定性对检测性能的影响. 仿真表明,能量检测法是一种简单、有效的频谱感知方法.-A brief introduction of cognitive radio spectrum sensing based on energy detection method, the analysis and performance of energy detection principle, based on the uncertainty of the noise effect on detection performance. Simulations show that the energy detection method is a simple, effective spectrum sensing method.
Date : 2025-12-29 Size : 276kb User : 张颖
[3G develop] alamoutibpsk1 DL : 0: Alamouti方案的仿真，双发双收，双发单收，单发多收的性能比较，信道为准静态平坦水落信道，信道噪声为高斯白噪声。-Alamouti scheme simulation, twin double income, double single income, single overcharged performance comparison, static channel subject to flat Mizuochi channel, channel noise is Gaussian white noise.
Date : 2025-12-29 Size : 2kb User : 梦雨潇潇
[3G develop] turbo-lte DL : 0: 3G 长期演进技术的LTE里边Turbo编解码，信道模拟，信噪比分析等-3G Long Term Evolution LTE technology inside Turbo decoding, channel modeling, signal to noise ratio analysis
Date : 2025-12-29 Size : 6kb User : 王练
[3G develop] IJCSNSPaperHizem DL : 0: We propose an accurate analytical method for the evaluation of the ultra wideband system performance in a time hopping binary pulse position modulation scheme (TH BPPM-UWB) in the additive white Gaussian noise (AWGN) channel.
Date : 2025-12-29 Size : 183kb User : Hizem
[3G develop] uncoded DL : 0: 基于高斯白噪声信道采用M-QAM调制技术的系统，分组错误概率与信噪比函数关系的matlab仿真程序-Gaussian white noise channel with M-QAM modulation system, packet error probability and SNR function of matlab simulation program
Date : 2025-12-29 Size : 7kb User : 刘少智
[3G develop] main DL : 0: 这个代码实现了白噪声下的不同的调制和解调的性能比较-This code implements a different white noise under the Performance Comparison of modulation and demodulation。
Date : 2025-12-29 Size : 2kb User : renjiangtao
[3G develop] dsss-noise DL : 0: 在matlab中进行信道仿真，对噪声进行建模该程序验证了加噪公式在复杂通信系统（扩频、过采样）中的正确性-The correctness of the channel simulation in matlab noise modeling program verification adding noise formula in complex communication system (Spread Spectrum oversampling)
Date : 2025-12-29 Size : 278kb User : chenjie
[3G develop] phase_noise_model DL : 0: 相位噪声仿真模型，包括其功率密度谱分布，以及对信号的性能影响。(phase noise model, include power density distribution, impairment to signal performance.)
Date : 2025-12-29 Size : 1kb User : ethan chu

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