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    发布日期: 2021-06-07
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资源简介

关于频偏估计算法的仿真,里面写的非常详细,算法的仿真过程,关于OFDM系统里频偏估计的算法

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代码片段和文件信息

function    ABB_Sample_Data(AfterAD_Data)
%    float_data=AfterAD_Data;
%     figure;
%     t=[1:length(AfterAD_Data)];
%     plot(treal(AfterAD_Data)‘r‘);
        float_real=[];
        float_imag=[];
        fixed_point=[];
        for ii=1:169*2
            float_real(ii)=real(AfterAD_Data(ii));
            float_imag(ii)=imag(AfterAD_Data(ii));
        end  
        for ii=1:169*2
            if (float_real(ii) >= 0)
                temp = round(float_real(ii)*(2^15-1));
                comp =mod(temp2);
                if (comp==1)
                    temp=temp+1;
                end
                comp = dec2hex(temp4);
            else
                temp = round(-float_real(ii)*(2^15-1));
                comp =mod(temp2);
                if (comp==1)
                    temp=temp+1;
                end
                inver = bitxor(temp(2^16-1));
                comp = inver + 1;
                comp = dec2hex(comp4);
            end
            fixed_point = [fixed_point;comp];
    
            if (float_imag(ii) >= 0)
                temp = round(float_imag(ii)*(2^15-1));
                comp =mod(temp2);
                if (comp==0)
                    temp=temp+1;
                end     
                comp = dec2hex(temp4);
            else
                temp = round(-float_imag(ii)*(2^15-1));
                comp =mod(temp2);
                if (comp==0)
                    temp=temp+1;
                end
                inver = bitxor(temp(2^16-1));
                comp = inver + 1;
                comp = dec2hex(comp4);
            end
            fixed_point = [fixed_point;comp];
        end
        % write to data file ‘test.hex‘ which stores the fixed point data
        fid2 = fopen(‘D:\project\dsp_code\dsp_V1.1_AllPass\dat\AfterAD_Data.hex‘‘w‘);
        for idx = 1:size(fixed_point)
            fprintf(fid2‘0x%s\n‘fixed_point(idx : ));
        end
        fclose(fid2);
%     AfterAD_Data=fixed_point;
  

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       2410  2005-06-01 15:18  freq_estimate\dft_est_freq_offset.asv

     文件      12620  2005-06-02 18:16  freq_estimate\Fr_estimate.asv

     文件       1030  2005-06-02 17:57  freq_estimate\DSP_Scaling_Filter.m

     文件       4440  2005-06-02 17:33  freq_estimate\Self_Correlate.m

     文件       2669  2005-06-02 17:33  freq_estimate\dft_est_freq_offset.m

     文件       1669  2005-06-02 17:22  freq_estimate\UW_Search.m

     文件       1598  2005-06-02 16:56  freq_estimate\UW_Search.asv

     文件      88576  2005-06-02 16:11  freq_estimate\PR_DFT_result.doc

     文件       4328  2005-06-02 15:07  freq_estimate\Self_Correlate.asv

     文件      12523  2005-06-02 18:22  freq_estimate\Fr_estimate.m

     文件       1758  2005-05-31 17:27  freq_estimate\Get_Sampled_Data.m

     文件       1663  2005-05-31 17:22  freq_estimate\Get_Sampled_Data.asv

     文件     204598  2005-05-31 17:15  freq_estimate\samples_110slots.dat

     文件       1264  2005-05-30 16:18  freq_estimate\float2fixed.asv

     文件     301628  2005-05-27 14:13  freq_estimate\sdsp2.dat

     文件       4373  2005-05-27 11:37  freq_estimate\PHS_Symbol_Gen.m

     文件      11051  2005-05-25 11:29  freq_estimate\signal_simulate.m

     文件      10984  2005-05-24 17:00  freq_estimate\signal_simulate.asv

     文件       4269  2005-05-24 16:30  freq_estimate\PHS_Symbol_Gen.asv

     文件       7330  2005-05-24 14:17  freq_estimate\pr_search.m

     文件       1030  2005-05-24 13:54  freq_estimate\DSP_Scaling_Filter.asv

     文件       2786  2005-01-27 11:21  freq_estimate\Disp_Freq_Est_Result.m

     文件       2479  2005-01-26 10:18  freq_estimate\DSP_UW_Search.m

     文件       2153  2005-01-17 16:44  freq_estimate\ABB_Transfer_Data.m

     文件       2039  2005-01-17 16:38  freq_estimate\ABB_Sample_Data.m

     文件       1859  2005-01-12 14:56  freq_estimate\DSPvsMATLAB_report.m

     文件       1264  2003-11-28 17:19  freq_estimate\uw_data_gen.m

     文件       1025  2003-11-28 10:38  freq_estimate\fixed2float.m

     文件       1264  2003-11-28 10:27  freq_estimate\float2fixed.m

     文件        839  2005-09-01 21:24  freq_estimate\gen_audio_sin.m

............此处省略8个文件信息

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