matlab解析毫米波雷达bin文件数据得到复数

来源：TI提供的Mmwave Radar Device ADC Raw Data Capture

%%% This script is used to read the binary file produced by the DCA1000

%%% and Mmwave Studio

%%% Command to run in Matlab GUI -

function [retVal] = readDCA1000(fileName)

%% global variables

% change based on sensor config

numADCSamples = 256; % number of ADC samples per chirp

numADCBits = 16; % number of ADC bits per sample

numRX = 4; % number of receivers

numLanes = 2; % do not change. number of lanes is always 2

isReal = 0; % set to 1 if real only data, 0 if complex data0

%% read file

% read .bin file

fid = fopen(fileName,'r');

adcData = fread(fid, 'int16');

% if 12 or 14 bits ADC per sample compensate for sign extension

if numADCBits ~= 16

    l_max = 2^(numADCBits-1)-1;

    adcData(adcData > l_max) = adcData(adcData > l_max) - 2^numADCBits;

end

fclose(fid);

fileSize = size(adcData, 1);

% real data reshape, filesize = numADCSamples*numChirps

if isReal

    numChirps = fileSize/numADCSamples/numRX;

    LVDS = zeros(1, fileSize);

    %create column for each chirp

    LVDS = reshape(adcData, numADCSamples*numRX, numChirps);

    %each row is data from one chirp

    LVDS = LVDS.';

else

    % for complex data

    % filesize = 2 * numADCSamples*numChirps

    numChirps = fileSize/2/numADCSamples/numRX;

    LVDS = zeros(1, fileSize/2);

    %combine real and imaginary part into complex data

    %read in file: 2I is followed by 2Q

    counter = 1;

    for i=1:4:fileSize-1

    LVDS(1,counter) = adcData(i) + sqrt(-1)*adcData(i+2); LVDS(1,counter+1) = adcData(i+1)+sqrt(-1)*adcData(i+3); counter = counter + 2;

    end

    % create column for each chirp

    LVDS = reshape(LVDS, numADCSamples*numRX, numChirps);

    %each row is data from one chirp

    LVDS = LVDS.';

end

%organize data per RX

adcData = zeros(numRX,numChirps*numADCSamples);

for row = 1:numRX

    for i = 1: numChirps

        adcData(row, (i-1)*numADCSamples+1:i*numADCSamples) = LVDS(i, (row-1)*numADCSamples+1:row*numADCSamples);

    end

end

% return receiver data

%retVal = adcData;

save("./temp.mat", 'adcData')

调用方法：控制台输入readDCA1000('里面填你要读的bin的绝对地址')

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matlab解析毫米波雷达bin文件数据得到复数

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巴特西

matlab解析毫米波雷达bin文件数据 得到复数

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matlab解析毫米波雷达bin文件数据得到复数