non-directional system
[/nɒn dɪˈrekʃənəl ˈsɪstəm/]
nounpl: non-directional systems
sistema não-direcional
1. A system that operates without a specific direction of transmission or reception; receives or transmits signals equally in all directions or without preference for any particular orientation
The non-directional system antenna picks up signals from all around equally.
A antena do sistema não-direcional capta sinais de todas as direções igualmente.
2. In navigation and communication, a system that does not rely on directional finding or beam steering
The aircraft used a non-directional system for omnidirectional navigation.
A aeronave usou um sistema não-direcional para navegação omnidirecional.
This is a specialized technical term primarily used in aviation, maritime navigation, telecommunications, and radar engineering. In Brazil, it is commonly referenced in the context of NDB (Non-Directional Beacon) systems, which are widely used for aircraft navigation. The term is highly standardized across English and Portuguese-speaking countries due to international aviation and telecommunications standards.
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