Digital backoff for lte test waveforms

clear all;
close all;
clc;
%pkg load signal

Y = load('IFFT_Log50SF_IFFTOut_WaitingForIFFTComp_137000Ant3_out0.txt');
%Y = resample(Z,4,1);
fs = 122.88e6;
fax = linspace(-fs/2, fs/2, length(Y));
w = hann(length(Y));
cc = complex(Y(:,1), Y(:,2));
plot(fax*1e-6, 20*log10(fftshift(abs(fft(cc.*w)))));
%Y=Z(1:307200);
% FFT Plot
fs = 122.88e6;
fax = linspace(-fs/2, fs/2, length(Y));
%w = hann(length(Y));
%figure, plot(fax3*1e-6, 20*log10(fftshift(abs(fft(complex(xhb3(:,1),xhb3(:>
%cc = complex(Y(:,1), Y(:,2));
%figure, plot(fax*1e-6, 20*log10(fftshift(abs(fft(cc.*w)))));

Y_scaled = (2^1)*Y;%2^n,each bit carries 3dB variation.

%F=load('cduc_60MHz_full.txt');
%Filtered_pre=filter(F,1,Y_scaled);
%Filtered=Filtered_pre./2^3;
w = hann(length(Y_scaled));
cc = complex(Y_scaled(:,1), Y_scaled(:,2));
plot(fax*1e-6, 20*log10(fftshift(abs(fft(cc.*w)))));
dlmwrite('IFFT_Log50SF_IFFTOut_WaitingForIFFTComp_137000Ant3_out0_3dBupscaled.txt',Y_scaled,'delimiter','\t');