#PCM import numpy as np import matplotlib.pyplot as plt # Parameters sampling_rate = 5000 # Sampling rate (samples per second) frequency = 50 # Frequency of the message signal (analog signal) duration ...
Fundamental continuous and discrete-time signals and their implementations using Matrix laboratory. Concepts include CTS, DTS, Amplitude modulation, Amplitude demodulation, Double sideband suppressed ...
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Analog transmission is not particularly efficient. When the signal-to-noise ratio of an analog signal deteriorates due to attenuation, amplifying the signal also amplifies noise. Digital signals are ...
Abstract: For next-generation green communication systems, this article proposes an innovative communication system based on frequency-diverse array-multiple-input multiple-output (FDA-MIMO) ...
Abstract: This paper introduces a novel reconfigurable intelligent surface (RIS)-aided wireless communication scheme, termed RIS code index modulation with quadrature ...
Radio frequency (RF) refers to the part of the electromagnetic spectrum where electromagnetic waves can be generated by alternating current fed to an antenna. It spans from around 3 kHz to 300 GHz. RF ...
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