Source google image: https://www.researchgate.net/profile/Tarak_Benslimane/publication/4231298/figure/fig7/AS:669055774109703@1536526735664/Amplitude-spectrum-received-with-241-Am-source-for-structure-No-1_Q320.jpg
Schema electrique 50 hm
Source google image: https://www.researchgate.net/profile/Tarak_Benslimane/publication/4231298/figure/fig7/AS:669055774109703@1536526735664/Amplitude-spectrum-received-with-241-Am-source-for-structure-No-1_Q320.jpg