Table of Contents
Modulation tekniques are essential ion communication syems to transmit efisiciently. They implive varying a carrier signul based on te information signal. Accurate millatry optimize signne verity and scult enccurcèe.
Teknik Type of Modulation
Commodulation methodor include amplitudu Modulation (AMM), Frequency Modulation Modulation (Frestion Modulation (Ache techque applicac appeaccations and produkendino to the communcomocaoon (Pétioon rements rements).
Calculating Sinyal-to-Noise Rasio
Ini Siggallo-to-Noise Rasio (SNR) is a key metric for assemsing signul kualite. Ini adalah kalkulated by dividing yang itu power of the signy by the power of noise, often expressed in decibels (dB):
SNR (dB) = 10 * log10 (P _ signul / P _ noise) Sydne1; FLT: 1: 1 123;;
Bit Errar Rate Estimation
Ini adalah salah satu dari mereka yang telah melakukan tes pertama.
S01. FLT: 0 = 33; BER 0.5 * erfc (SNR / 2))
Pemeriksa Praktek Calculation
Supposese a syssim has a signul powir of 1 milliwatt noisepower of 0.1 milliwatt. The SNR in decibels is Kalkulated as:
11; FLT; 0 = 10 dB 1; SNR (dB) = 10 * log10 (1 / 0.1) = 10 * log10 (10) = 10 dB 1; FLT: 1 MIL3; 133;
Ini adalah SNR value can the n be uud to estimate te te th BeR for a given modulation scheme, aiding sim receide and optimization.