function [I_dark,Fn,QE,Gain,Noise_read,FWC,ADC,Lambda_center,D_aperture,GSD,H_orbit,Tao0,Epslong,M_TDI,Light_input_low,Light_input_classic,Light_input_high,pho_max,pho_L_k,pho_L_b] = readinput_SMR()

    %打开参数文件读取数据
    fileID = fopen("input_canshu.txt");
    
    %指定读取格式
    dataFormat = '%f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f';
    
    %跳过参数文件第一行读取数据
    data = textscan(fileID,dataFormat,'HeaderLines',1);
    
    %关闭参数文件
    fclose(fileID);
    
    I_dark = data{1};
    Fn = data{2};
    QE = data{3};
    Gain = data{4};
    Noise_read = data{5};
    FWC = data{6};
    ADC = data{7};
    Lambda_center = data{8};
    D_aperture = data{9};
    GSD = data{10};
    H_orbit = data{11};
    Tao0 = data{12};
    Epslong = data{13};
    M_TDI = data{14};
    Light_input_low = data{15};
    Light_input_classic = data{16};
    Light_input_high = data{17};
    pho_max = data{18};
    pho_L_k = data{19};
    pho_L_b = data{20};
    
   
end