calculate_dvbt_system_ofdm_output_float_scale_factor

%constraint the ofdm output to [-1.0, 1.0]%then (sign short)(constrainted output * 32767) ->otw -> duc -> DAC%author: samssm([e-mail])%QPSK for exampleREAL_MAX = 1;IMAGE_MAX = 1;SUB_CARRIER = 2048;reality = randi([0, REAL_MAX], SUB_CARRIER, 1);image = randi([0, IMAGE_MAX], SUB_CARRIER, 1);reality = 2 * (reality - (REAL_MAX/2.0));image  = 2* (image - (IMAGE_MAX/2.0));complex = reality + j * image;fcomponent = ifft(complex);fcomponent_real = real(fcomponent);fcomponent_image = imag(fcomponent);[fcomponent_image_max, fcomponent_image_index] = max(fcomponent_image);[fcomponent_real_max, fcomponent_real_index] = max(fcomponent_real);%no need%pcomponent = abs(fcomponent);%[pmax, pmaxindex] = max(pcomponent);