| BOFDA | Brillouin frequency domain analysis |
| BOTDA | Brillouin optical time domain analysis |
| SNR | signal-to-noise ratio |
| ANN | artificial neural networks |
| SVM | support vector machines |
| BFS | Brillouin frequency shift |
| LCF | Lorentzian curve fitting |
| CNN | convolutional neural network |
| DFB | distributed feedback laser |
| MZM | Mach–Zehnder modulator |
| SG | signal generator |
| FBG | fiber Bragg grating |
| EDFA | erbium-doped fiber amplifier |
| VOA | variable optical attenuator |
| PS | polarization scrambler |
| VNA | vector network analyzer |
| FUT | fiber under test |
| PD | photodiode |
| iFFT | inverse fast Fourier transformation |
| BGS | Brillouin gain spectrum |
| MSE | mean square error |
| RMSE | root mean square error |