cross-correlation function
[krɔs ˌkɔr.ə.ˈleɪ.ʃən ˈfʌŋk.ʃən]
nounfemininepl: cross-correlation functions / funções de correlação cruzada
função de correlação cruzada
1. A mathematical function that measures the similarity between two signals as a function of the time lag applied to one of them; used extensively in signal processing and statistics to detect patterns and relationships between time series
The cross-correlation function revealed a strong relationship between the two seismic signals with a time delay of 2.5 seconds.
A função de correlação cruzada revelou uma forte relação entre os dois sinais sísmicos com um atraso de tempo de 2,5 segundos.
2. In signal processing, a statistical measure that quantifies how much one signal resembles a shifted version of another signal across all possible time shifts
Engineers used the cross-correlation function to identify the optimal alignment between the reference signal and the received signal.
Os engenheiros usaram a função de correlação cruzada para identificar o alinhamento ideal entre o sinal de referência e o sinal recebido.
This is a specialized technical term used primarily in academic and engineering contexts in both Brazil and the USA. It is fundamental in signal processing, telecommunications, seismology, and data analysis. The term is standardized across technical communities with minimal regional variation.
Related Idioms & Phrases
to measure cross-correlation between two signals
to apply cross-correlation analysis
cross-correlation at lag zero
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