Answer
Nka soko yumuraba ifunitse yerekeza muburebure bwayo bukomeye, imiraba irasibangana, bigatuma hagati ya diameter $ D_m $ yaguka. Uku kwaguka kwinshi $ \ Delta D $ birashobora kugereranywa na $ \ Delta D = 0.02 \ cdot \ frac {(L_0 - L_1) ^ 2} {D_m \ cdot Z} $, aho $ L_0 $ nuburebure bwubusa naho $ L_1 $ nuburebure bwakazi. Muburyo busobanutse neza, uku kwaguka kugomba kubarwa kugirango hirindwe kubahiriza amazu. Niba gukuraho bidahagije, kuvamo imirasire ya radiyo bizongera ubuhanga bwikigereranyo cyapimwe kandi bishobora gutera umunaniro udashyitse bitewe nubunini bwibanze.