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LDPC-BP

于 2021-04-27 发布文件大小:38KB

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代码说明：

LDPC码BP算法的性能研究，码长、迭代次数对误码率和信噪比的影响(Performance of LDPC code BP Algorithm)

文件列表：

LDPC-BP译码
...........\bpsk.m,325,2005-12-30
...........\genH.m,3540,2016-05-07
...........\gen_p_re.m,297,2006-02-05
...........\H2P.m,1156,2016-05-08
...........\ldpc_decode.m,2641,2016-05-11
...........\ldpc_diedaicishu.m,1359,2016-05-18
...........\ldpc_encode.m,371,2016-05-08
...........\LDPC_machang.m,1384,2016-05-13
...........\ldpc_main.m,1100,2016-05-13
...........\LDPC误码率和的迭代次数的关系.fig,8116,2016-05-13
...........\LDPC误码率和码长的关系.fig,8147,2016-05-13
...........\LDPC误码率随信噪比的关系.fig,6889,2016-05-11

...........\mul_GF2.m,51,2005-12-29
...........\reorder_bits.m,390,2005-12-30
...........\rndcheck.m,7778,2005-12-20
...........\unidrnd.m,985,2005-12-20
...........\说明.txt,246,2016-05-14

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caishuzi
用MATLAB编写的一个猜数字游戏就是随机生成4位数，你要在有限的步数内猜出。用法：输入4位数字后按’ok’键，可看到当前结果。按answer键查看正确答案按reset键重新开始还有很多不成熟的地方，发上来想和大家一起商量商量主要问题： 1、步数限制功能没有完成 2、应当在显示区保留显示以前的所有步骤，但目前只能显示当前步骤 3、按键次数没有保留，无法判断你已经猜了几次一个小bug：若输入3位数，则会自动把第一位置0 (MATLAB prepared with a game猜数字is randomly generated 4-digit, you have to step in with a limited guess. Usage: Enter the 4 digits after ' ok' button, the current results can be seen. By the answer key to view the correct answer by the reset button to restart where there are many immature, made up and we would like to discuss the main issues discussed with: 1, step 2 did not complete the functional limitations, it should be retained in the display shows all the steps before , but currently only shows the current step 3, the number keys will not be retained to determine a number of you have guessed a small bug: if the input 3-digit, it will automatically position the first 0)

2009-05-23 00:35:06下载

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2014-02-25 16:22:50下载

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为了实现DOA和时延的联合估计,提出了一个无线通信中高分辨率的联合角度和时延估计方法,该方法不需要对参数进行搜索,利用空时矩阵的特征向量和特征值分别估计DOA和时延,通过特征值和特征向量的对应关系,估计的参数可以自动实现配对, 只要各路径信号的DOA和时延不同时接近此方法都可以适用,与JADE-MUSIC,JADE-ESPRIT和SI-JADE算法相比,该算法具有较好的鲁棒性和较小的估计误差。仿真结果证明了该算法的有效性。 (In order to achieve the joint estimation of DOA and delay, proposed a wireless communications joint angle and high resolution delay estimation method, the method does not require parameters to search using the space-time matrix eigenvectors and eigenvalues , respectively, and the estimated DOA delay, by the correspondence between eigenvalues and eigenvectors, the estimated parameters can be automatically paired DOA and delay of each path as long as the signal is not close to this same method can be applied, with the JADE-MUSIC, JADE-ESPRIT and SI-JADE algorithm, the algorithm has better robustness and smaller estimation error. The simulation results show the effectiveness of the algorithm.)

2020-11-13 16:39:42下载

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zhengyan
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