ADDC_T_AVG
for (i = 0; i < ADDC_T_AVG; i++) {
dc_re /= ADDC_T_AVG;
dc_im /= ADDC_T_AVG;
for (i = 0; i < ADDC_T_AVG; i++) {
dc_re /= ADDC_T_AVG;
dc_im /= ADDC_T_AVG;