中文说明：clear;clc;s = rng(211); % 设置RNG状态的可重复性numFFT = 1024; % FFT点的数量numRBs = 50; % 资源块的数量rbSize = 12; % 每个资源块的副载波数量cpLen = 72; % 样本中的循环前缀长度bitsPerSubCarrier = 6; % 2: QPSK, 4: 16QAM, 6: 64QAM, 8: 256QAMsnrdB =-18; % 以dB为单位的SNRtoneOffset = 2.5; % 音调偏移或超额带宽（在副载波中）L = 513; % 滤波器长度（=滤波器次序+ 1），奇数numDataCarriers = numRBs*rbSize; % 子带中数据子载波的数量halfFilt = floor(L/2);n = -halfFilt:halfFilt;% Sinc函数原型滤波器pb = sinc((numDataCarriers+2*toneOffset).*n./numFFT);% Sinc截断窗口w = (0.5*(1+c
English Description：
Clear; CLC; s = RNG (211); & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% sets the repeatability of RNG state numfft = 1024; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% number of FFT points numrbs = 50; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% number of resource blocks rbsize = 12; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% number of subcarriers per resource block cplen =72; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% the length of cyclic prefix in the sample bitspersubcarrier = 6; & nbsp;% 2: QPSK, 4: 16QAM, 6: 64QAM, 8: 256qamsnrdb = - 18; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% SNR tone offset in DB = 2.5; & nbsp; & nbsp; & nbsp;% tone offset or excess bandwidth (in subcarrier) l = 513; &Nbsp & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;% filter length (= filter order + 1), odd numdatacarriers = numrbs * rbsize; & nbsp; & nbsp;% the number of data subcarriers in the subband, halffilter = floor (L / 2); n =- halfFilt:halfFilt;% Sinc function prototype filter Pb = sinc ((numdatacarriers + 2 * toneoffset). * n. / numfft);% sinc truncation window w = (0.5 * (1 + C)