Convertitore Frequenza e Lunghezza d'Onda
Calcola le proprietà delle onde bidirezionali con le equazioni fondamentali λ = v / f e f = v / λ.
λ = v / f = 299,792,458 m/s ÷ 1.0000e+6 Hz = 299.792 m
v = 299,792,458 m/s
Radio & Optical Spectrum Reference Bands
| Band Name | Frequency Range | Free-Space Wavelength | Common Applications |
|---|---|---|---|
| ELF (Extremely Low) | 3 – 30 Hz | 100,000 – 10,000 km | Submarine communication, deep geological probing. |
| MF (Medium Frequency) | 300 kHz – 3 MHz | 1,000 – 100 m | AM radio broadcasting, maritime radio, aviation navigation. |
| VHF (Very High) | 30 – 300 MHz | 10 – 1 m | FM broadcast radio, VHF television, marine VHF communications. |
| UHF (Ultra High) | 300 MHz – 3 GHz | 1 m – 10 cm | Wi-Fi (2.4 GHz), Bluetooth, GPS (L1/L2), mobile 4G/5G cellular. |
| SHF (Super High) | 3 – 30 GHz | 10 – 1 cm | Satellite communications, radar systems, 5 GHz / 6 GHz Wi-Fi. |
| Visible Light Spectrum | 400 – 789 THz | 750 – 380 nm | Human visual perception, fiber-optic telecom, lasers, spectroscopy. |