passive antenna array
[ˈpæsɪv ænˈtɛnə əˈreɪ]
nounpl: passive antenna arrays
arranjo de antenas passivas
1. A configuration of multiple antenna elements that receive or transmit electromagnetic signals without using active amplification or power sources, relying instead on passive components to achieve directional radiation patterns
The radar system uses a passive antenna array to detect incoming aircraft without revealing its position through active transmission.
O sistema de radar utiliza um arranjo de antenas passivas para detectar aeronaves em aproximação sem revelar sua posição através de transmissão ativa.
2. In telecommunications and signal processing, a group of antenna elements connected together to form a specific radiation pattern or gain characteristic without requiring external power amplification
The passive antenna array configuration reduced the overall power consumption of the receiver station significantly.
A configuração do arranjo de antenas passivas reduziu significativamente o consumo geral de energia da estação receptora.
This is highly specialized technical terminology primarily used in aerospace, telecommunications, and defense industries in both Brazil and the USA. The term is largely consistent across English and Portuguese-speaking technical communities, with minimal regional variation. Understanding passive antenna arrays is essential for professionals in signal processing, radar engineering, and radio frequency design.
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →