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于 2021-03-04 发布

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下载积分: 1 下载次数: 2

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代码说明：

说明：基于matlab实现OFDM，调制方式为QPSK，可以对信道的状态进行估计(OFDM is realized based on MATLAB, the modulation mode is QPSK, and the channel state can be estimated)

文件列表：

addnoise.m, 297 , 2008-03-04
baseMapping.m, 1778 , 2019-05-13
bitcreate.m, 781 , 2019-05-30
deMapping.m, 3105 , 2019-05-15
demoduqam16.m, 941 , 2019-05-11
DFT_estimation.m, 1461 , 2019-06-02
Ergodic_Capacity_vs_SNR.m, 970 , 2019-05-20
error_count.m, 271 , 2008-02-25
estimation.m, 7083 , 2019-05-20
guard_interval_insert.m, 490 , 2019-05-13
guard_interval_remove.m, 280 , 2019-05-13
insert_pilot.m, 2122 , 2019-05-20
lmmse_estimation.m, 979 , 2019-05-20
lr_lmmse_estimation.m, 1747 , 2009-05-27
ls_estimation.m, 681 , 2019-05-14
main.m, 11428 , 2019-06-02
main_original.m, 11170 , 2019-05-13
mse_DFT.m, 226 , 2019-05-25
mse_lmmse.m, 302 , 2019-05-25
mse_ls.m, 160 , 2019-05-25
multipath_chann.m, 1839 , 2008-03-03
ofdm.m, 1047 , 2019-05-20
plot_astrology.m, 270 , 2019-06-01
Qam_different.m, 613 , 2019-05-07
rayleighnew.m, 1758 , 2008-02-25

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BER_2bit
AIS信号（GMSK调制）2比特差分解调及其误码率曲线(2 bit differential demodulation and BER)

2021-03-29 22:49:10下载

积分：1
LDPC
实现了LDPC码的编码 LDPC译码、LDPC校验矩阵的生成等。是完整的LDPC代码。测试了，跑的通。自学LDPC码的资料(Implements the LDPC encoding of LDPC decoding, LDPC check matrix generation and so on. LDPC code is complete. Tested and run through. Self-study of LDPC codes)

2013-04-27 08:46:53下载

积分：1
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读取SHT20的数据发送到主控STM32F103vet6(Read data from SHT20 and send it to master STM32F103vet6)

2020-06-17 11:20:02下载

积分：1
sample1
its a matlab code for ofdm with 16 qam

2013-10-20 14:55:41下载

积分：1
Programación Universitaria
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2018-02-01 19:09:39下载

积分：1
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本文分析了多级维纳滤波器的特性，在加性噪声和二维天线阵列如均匀圆阵、均匀面阵、十字阵等条件和背景下，对信源个数和信源参数估计问题进行了研究，提出了基于多级维纳滤波器前向分解特性的快速参数估计方法，同时提出了基于多级维纳滤波器的二维ESPRIT参数估计方法，该类方法无需协方差矩阵的估计运算及分解运算，计算复杂度较低。另外，还提出了对信源个数的估计算法。(This paper analyzes the characteristics of multistage Wiener filter, in the additive noise and the two-dimensional antenna array such as a uniform circular array, the uniform array, cross array conditions and background, the source number and source parameter estimation problem undertook study, put forward based on Multistage Wiener filter prior to the decomposition characteristics of fast parameter estimation method, at the same time based on Multistage Wiener filter 2D ESPRIT parameter estimation method, the method does not need to estimate of covariance matrix calculation and decomposition, relatively low computational complexity. In addition, also put forward for source number estimation algorithm.)

2012-03-09 15:45:20下载

积分：1
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8psk 数字解调器的simulink仿真(8psk digital modem s simulink)

2020-11-22 18:29:35下载

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Smoothing-Filter-based-Intensity-Modulation-a-spe
Smoothing Filter-based Intensity Modulation a spectral preserve

2012-06-01 09:06:32下载

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Sweepfreq
扫频信号的产生，以及扫频信号的时频分析；(The generation of sweep frequency signal and the time frequency analysis of sweep signal;)

2018-01-18 17:33:19下载

积分：1
AREPS_IEEE
美国海军开发的雷达传输损耗预测、计算软件AREPS的说明(The Space and Naval Warfare System Center, San Diego has a full spectrum research and development program with a long and proud history of rapidly responding to critical fleet requirements and deploying systems to address these requirements. One such system is the new Advanced Refractive Effects Prediction System (AREPS).)

2020-09-02 21:58:08下载

积分：1

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