diff --git a/matlab/mat/noise_meas_100s_20kHz.mat b/matlab/mat/noise_meas_100s_20kHz_1.mat
similarity index 100%
rename from matlab/mat/noise_meas_100s_20kHz.mat
rename to matlab/mat/noise_meas_100s_20kHz_1.mat
diff --git a/matlab/mat/noise_meas_17h_200Hz.mat b/matlab/mat/noise_meas_17h_200Hz_1.mat
similarity index 100%
rename from matlab/mat/noise_meas_17h_200Hz.mat
rename to matlab/mat/noise_meas_17h_200Hz_1.mat