• MATLAB读写txt文件,并对数据进行二/十/十六进制转换(量化)


    clear;
    close all;
    clc;

    % 读取数据txt(任意进制、整型、浮点型)
    fileID1 = fopen('D:设计文档dataset1_I.txt','r');
    [dat_i]=textscan(fileID1,'%f');
    fclose(fileID1);

    fileID2 = fopen('D:设计文档dataset1_Q.txt','r');
    [dat_q]=textscan(fileID2,'%f');
    fclose(fileID2);

    % cell转化为数组
    dat_i_h = cell2mat(dat_i);
    dat_q_h = cell2mat(dat_q);

    % 量化为十进制有符号数(含符号位共14bit)
    m = max(max(abs(dat_i_h),abs(dat_q_h)));
    DATA_I = round(dat_i_h/m*(2^(14-1)-1));
    DATA_Q = round(dat_q_h/m*(2^(14-1)-1));

    % 将十进制数据写入txt
    fileID_I = fopen('D:intel_proRadarECG tldataset1_I_dec.txt','w');
    if fileID_I == -1
      disp('fopen failed');
    else
      for i=1:length(DATA_I)
        fprintf(fileID_I,'%d ',DATA_I(i));
      end
    end
    fclose(fileID_I);

    fileID_Q = fopen('D:intel_proRadarECG tldataset1_Q_dec.txt','w');
    if fileID_Q == -1
      disp('fopen failed');
    else
      for j=1:length(DATA_Q)
        fprintf(fileID_Q,'%d ',DATA_Q(j));
      end
    end
    fclose(fileID_Q);

    % % 量化为十六进制有符号数(含符号位共14bit)
    % m = max(max(abs(dat_i_h),abs(dat_q_h)));
    % DATA_I = dec2hex(round(dat_i_h/m*(2^(14-1)-1)));
    % DATA_Q = dec2hex(round(dat_q_h/m*(2^(14-1)-1)));
    %
    % % 将十六进制数据写入txt
    % fileID_I = fopen('D:intel_proRadarECG tldataset1_I_hex.txt','w');
    % if fileID_I == -1
    %    disp('fopen failed');
    % else
    %    for i=1:length(DATA_I)
    %       fprintf(fileID_I,'%c%c%c%c ',DATA_I(i,1),DATA_I(i,2),DATA_I(i,3),DATA_I(i,4));
    %    end
    % end
    % fclose(fileID_I);
    %
    % fileID_Q = fopen('D:intel_proRadarECG tldataset1_Q_hex.txt','w');
    % if fileID_Q == -1
    %    disp('fopen failed');
    % else
    %    for j=1:length(DATA_Q)
    %      fprintf(fileID_Q,'%c%c%c%c ',DATA_Q(j,1),DATA_Q(j,2),DATA_Q(j,3),DATA_Q(j,4));
    %    end
    % end
    % fclose(fileID_Q);

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  • 原文地址:https://www.cnblogs.com/zuilangsanshu/p/15098183.html
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