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[Communication] tongyuankeshe DL : 0: 信号经过两个独立的信道传输，两个信道的信道复增益分别为和。是独立同分布的复高斯随机变量，实部虚部独立、均值为0，实部虚部的方差都是1。采用某分集技术后输出的信噪比为，其中是常数，是在之间均匀分布的随机变量。请就不同的、，用仿真的方法画出的累积分布函数。-signal after two independent Channel Tunnel, Channel 2 Channel Minute respectively, and gain. Independence is the same complex Gaussian distribution of random variables, is the imaginary part of the Department of independence, mean 0 and the real part of the imaginary part is a variance. Using a diversity of the output signal-to-noise, which is constant, is the uniform distribution between random variables. Please different, and simulation methods paint the cumulative distribution function.
Update : 2025-04-04 Size : 1kb Publisher : 昭
[Post-TeleCom sofeware systems] tongyuan3 DL : 0: 通原实验课的作业，完成搭建基带传输系统的任务-Pass the original experimental course work, completed structures base-band transmission system mission
Update : 2025-04-04 Size : 1.94mb Publisher : wangjia
[matlab] ASKmod DL : 0: 在matlab上实现2ASK信号的调制，以及相干解调，并给出调制/解调后的信号波形。主程序名为ASKmod.m，调用子程序为T2F.m、F2T.m、和LPF.m。-To achieve in matlab 2ASK signal modulation, and coherent demodulation, and given modulation/demodulation of signal waveform. Main program, called ASKmod.m, call subroutine to T2F.m, F2T.m, and LPF.m.
Update : 2025-04-04 Size : 1kb Publisher : hgdlsl
[matlab] 1 DL : 0: 基于matlab。利用FFT计算信号的频谱并与信号的真实频谱的抽样比较。脚本文件T2F.m定义了函数T2F，计算信号的傅立叶变换。-Based on matlab. Calculated using FFT frequency spectrum and the true spectrum of the signal sample comparison. Script file defines a function T2F.m T2F, calculate the Fourier transform of the signal.
Update : 2025-04-04 Size : 1kb Publisher : wu