refactor: section Rauschen

2026-02-21 21:07:08 +01:00
parent f54dc337ed
commit 8933886a94
2 changed files with 15 additions and 15 deletions
@@ -0,0 +1,5 @@
+* gegeben: $B_2 = \qty{2,5}{\kilo\hertz}$ (unsere Bezugsbandbreite)
+* gegeben: $B_1 = \qty{0,5}{\kilo\hertz}$
+* gesucht: $\Delta P_\text{R}$
+
+$\Delta p_\text{R} = 10 \cdot \log_{10}\left(\frac{B_1}{B_2}\right)\unit{\dB} = 10 \cdot \log_{10}\left(\frac{\qty{0,5}{\kilo\hertz}}{\qty{2,5}{\kilo\hertz}}\right)\unit{\dB} \approx \qty{-7}{\dB}$