phase modulation
[/feɪz ˌmɑːdʒəˈleɪʃən/]
noun
modulação de fase
1. A modulation technique in telecommunications where the phase of a carrier wave is varied in accordance with a modulating signal, while keeping the amplitude constant
Phase modulation is commonly used in digital communication systems to transmit data efficiently.
A modulação de fase é comumente usada em sistemas de comunicação digital para transmitir dados de forma eficiente.
2. The process of encoding information by changing the phase angle of a periodic waveform
The transmitter applies phase modulation to shift the carrier signal's phase based on the input data.
O transmissor aplica modulação de fase para deslocar a fase do sinal portadora baseado nos dados de entrada.
Phase modulation is a specialized technical term used primarily in telecommunications, electrical engineering, and signal processing fields in both the United States and Brazil. It is essential knowledge for professionals in telecommunications, radio frequency engineering, and digital communications. The term is used identically in both English and Portuguese technical communities, with 'modulação de fase' being the standard translation in all Portuguese-speaking regions.
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