get_data_signal.m

来自「source Matlab traites the UWB」· M 代码 · 共 22 行

%
%
%
function [rx_data, burst_start] ... 
    = get_data_signal(PACKET_LENGTH, ...
                      samples_per_burst, samples_per_symbol, burstlength, ...
                      burst,ths,symbol_start,tx_bit)

% Now we can create the actual data signal
% fprintf('build the data signal, ');

% Now take time-hopping into account and pulse position to obtain the index of
% the position of the bursts
burst_start = symbol_start + ...
    ths*samples_per_burst + tx_bit*(samples_per_symbol/2);

signal_idx = repmat(burst_start,burstlength,1)+repmat((0:burstlength-1)',1,PACKET_LENGTH)+1;

% Now the support of the signal
rx_data = zeros(1,samples_per_symbol*PACKET_LENGTH);
rx_data(reshape(signal_idx,1,PACKET_LENGTH*burstlength)) = burst;