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基于FFT的非二进制LDPC译码
此程序为非二进制LDPC 码的仿真程序. 信道为AWGN, 调制方式 是BPSK.-This program is used to simulation nonbinary LDPC codes over AWGN channel and BPSK modulation. The decoding algorithm is in the probability domain and with the fast Hadamard transform in the check node.
- 2022-10-10 15:00:03下载
- 积分：1
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C语言窗口通信，利用FPGA来实现和电脑的农信
C语言窗口通信，利用FPGA来实现和电脑的农信-C-window communication
- 2022-04-28 16:23:07下载
- 积分：1
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关于铜包铝线材的说明，为文本文档，内容不多．大约只有三张...
关于铜包铝线材的说明，为文本文档，内容不多．大约只有三张-包铝copper wire on the note as a text document, the contents of not more than. Only about 3
- 2022-01-25 23:05:28下载
- 积分：1
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这个代码是matlab仿真的在没有协作用户的情况下，进行的误码率性能仿真。...
这个代码是matlab仿真的在没有协作用户的情况下，进行的误码率性能仿真。-Matlab simulation of this code is the collaboration of users in the absence of circumstances, to carry out simulation of BER performance.
- 2023-01-05 23:45:03下载
- 积分：1
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这个实际上是个总的GUI程序，已经完整编写好。此程序包括elm的3种training方法，以及硬件衔接的问题，只是其中的一些特殊路径需要做相应改动，才能使程序真...
这个实际上是个总的GUI程序，已经完整编写好。此程序包括elm的3种training方法，以及硬件衔接的问题，只是其中的一些特殊路径需要做相应改动，才能使程序真正运行-this actually is a total of GUI program has been well prepared integrity. This process includes three types of elm training methods, and the convergence of the hardware, just some special needs to be done path corresponding changes to procedures can actually run
- 2022-03-06 05:15:13下载
- 积分：1
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tcp/ip 通讯服务器端程序
tcp/ip 通讯服务器端程序-tcp/ip server communications procedures
- 2022-07-16 22:53:48下载
- 积分：1
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We investigate the case of independent Rayleigh faded paths between antenna elem...
We investigate the case of independent Rayleigh faded paths between antenna elements and find that with
high probability extraordinary capacity is available. Compared to the baseline n = 1 case, which by Shannon’s
classical formula scales as one more bit/cycle for every 3 dB of signaltonoise
ratio (SNR) increase, remarkably
withMEAs, the scaling is almost like n more bits/cycle for each 3 dB increase in SNR. To illustrate how great this
capacity is, even for small n, take the cases n = 2, 4 and 16 at an average received SNR of 21 dB. For over 99
of the channels the capacity is about 7, 19 and 88 bits/cycle respectively, while if n = 1 there is only about 1.2
bit/cycle at the 99 level. For say a symbol rate equal to the channel bandwith, since it is the bits/symbol/dimension
that is relevant for signal constellations, these higher capacities are not unreasonable. The 19 bits/cycle for n = 4
amounts to 4.75 bits/symbol/dimension while 88 bits/cycle for n = 16 amounts t
- 2023-04-26 08:00:04下载
- 积分：1
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OFDM信道估计LMMSE估计和LS估计算法的比较
仿真载频为2GHz，带宽1MHz，子载波数128个，cp为16，子载波间隔为7.8125kHz
一个ofdm符号长度为128us，cp长度为16us，采用16QAM调制方式，最大doppler频率为132Hz
采用LMMSE估计和LS估计算法并进行了比较
- 2022-04-06 15:04:52下载
- 积分：1
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最初为语音服务的自动机器，供您参考。
对自动语音服务机进行初步实现，供大家参考。-right automatic machine for voice services initially, for your reference.
- 2023-07-28 12:30:03下载
- 积分：1
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软件无线电尝试，绝对前沿！
软件无线电尝试，绝对前沿！- Software radio attempt, absolute front!
- 2023-02-11 06:55:03下载
- 积分：1
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