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LEO_Channel_MU

于 2021-03-11 发布文件大小:3KB

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下载积分: 1 下载次数: 5

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这是一份低轨道卫星建模的资料，比较简洁适合学习(This is a low-orbit satellite modelling data, relatively simple and suitable for learning, recommend to see)

文件列表：

leo_ellipse.m, 4129 , 2017-11-09
leo_main.m, 233 , 2017-11-09
leo_parset.m, 977 , 2017-11-09
leo_visible.m, 473 , 2017-11-09
leo_ant_parset.m, 835 , 2017-11-09

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52+报警
说明：用51单片机完美地解决凝露现象。防止元件老化(The dew phenomenon can be perfectly solved by 51 single chip computer. Preventing component ageing)

2020-06-18 11:00:01下载

积分：1
卫星通信中数字调相信号调制方式识别方法研究
说明：针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK)，对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析，提出了一种联合特征参数的信号调制识别方法．(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 16APSK and 32APSK), four characteristic parameters of zero-center normalized instantaneous amplitude spectral density, quadratic spectrum, amplitude and high-order cumulant are analyzed, and a signal modulation recognition method of joint characteristic parameters is proposed. Method.)

2020-06-21 09:20:02下载

积分：1
analog_modulation
说明：模拟调制识别各特征参数随信噪比变化曲线。信号的瞬时信息包括瞬时幅度、瞬时相位、瞬时频率及其不同角度的统计特征值，其中瞬时幅度、瞬时相位、瞬时频率是一个信号最基本的特征。（AM、DSB、SSB、VSB、FM、AM-FM）(Simulated Modulation Recognition Curve of Variation of Characteristic Parameters with Signal-to-Noise Ratio)

2021-04-25 18:38:46下载

积分：1
Low-Complexity-PAPR-Reduction-Technique-for-STBC-
Selective mapping algorithm is proposed to reduce the peak-to-average power ration (PAPR) in MIMO-OFDM system. It is proved that the conjugate symbols on two antennas have the same PAPR property with orthogonal space-time block coded (STBC). By using the characteristic, the computational complexity cost and the side information (SI) is significantly reduced compared with the concurrent SLM algorithm. Simulation results demonstrate that the performance of the proposed algorithm outperforms the conventional concurrent SLM algorithm.

2014-01-01 06:04:45下载

积分：1
main(64QAM)
说明： OFDM计算，调制方式为64QAM，可以对信道的信息进行估计(OFDM calculation, modulation mode is 64QAM, can estimate the channel information)

2021-03-04 15:38:52下载

积分：1
5646109
用matlab编写,由浅入深实现卡尔曼滤波器跟踪,滤波功能()

2018-02-01 20:39:04下载

积分：1
Phase--Frequency-Estimation
相位和载波估计的算法，用于通信中的同步估计。(And carrier phase estimation algorithm is used for communication synchronization estimation.)

2016-04-25 20:14:28下载

积分：1
DF-RS-代码
这个程序用蒙特卡洛法计算了单小区用户利用D2D通信解码转发中继选择情况下的误码率(This program calculates the bit error rate of single cell users using D2D communication decode and forward relay selection)

2017-08-12 10:30:17下载

积分：1
NFDMcpdeOFDM
802 11a OFDM MATLAB simulation code! (recommended)

2019-03-26 06:01:26下载

积分：1
GNSS_SDR
由中频信号捕获到跟踪、解算等一系列处理GPS接收机链路实现(Implementation of GPS receiver link)

2017-12-28 23:36:34下载

积分：1

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LEO_Channel_MU

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