Uzgodnienie, że te bandwidth wymagania for amplitude modulation (AM) i częstotliwości modulation (FM) systems is essential for efficient communication system design. Proper calculation ensures compleance with regulations and optimal signal quality.

Bandwidth in AM Systems

In AM systems, the bandwidth is determinate the frequency of the modulating signal. The total bandwidth required is twice the maximum frequency of the modulating signal.

Matematyka, it i s expressed as:

(zob. pkt 2.1.1.1 niniejszego załącznika)

Systemy FM

FM systems generally require a larger bandwidth compared to AM. Carson 's Rule provides an approximation of thee bandwidth needed for FM signals.

Carson 's Rule states that the total bandwidth is twice the em sum of the maximum frequency deviation andhe the highest modulating frequency:

(FLT: 0 = 3; FLT: 3; FLD (FM) = 2 × (Δf + fm) = 1; FLT: 1 = 3; FLT: 1 = 3; FLT: 3; FLT: 3; FLT: 3; FLT: 3x; FLT: 3x; FLT: 3x; FLT: 3x; FLT: FLS: FL1; FL1 + FLS: FL1 + FLS: FL3; FL3; FLS: FL1 + FLS: FL1 + FLF: FL1 + FLF: FL1 + FL1 + FL3; FLS: FLF: FLS: FL1 + 1 + 1 + 1 + FLF: FL1 + 1 + FL1 + FL1: FL1: FL1: FL1: FL1: FL3; FL1: FL1: FL1: FL1: FL1: FL1

Factors Affecting Bandwidth

  • Xi1; Xi1; FLT: 0 Xi3; Xi3; Modulation index: Xi1; FLT: 1 Xi3; Xi3; Hierous modulation index vilies bandwidth in FM systems.
  • Xi1; Xi1; FLT: 0 Xi3; Xi3; Modulating frequency: Xi1; Xi1; FLT: 1 Xi3; Xi3; The maximum luxency of the modulating signal directly impacts bandwidth.
  • Xi1; Xi1; FLT: 0 Xi3; Xi3; Frequency deviation (Δf): Xi1; Xi1; FLT: 1 Xi3; Xi3; The extent of frequency variation fefits the total bandwidth required.