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BeiDou, officially known as the BeiDou Navigation Satellite System (BDS), is a global satellite navigation system developed and operated by the People’s Republic of China. The system is named after the traditional Chinese term for the "Big Dipper" constellation, which symbolizes guidance and orientation. Unlike GPS (USA), GLONASS (Russia), and Galileo (EU), BeiDou is designed to serve both civilian and military users, and it represents a strategic effort to achieve independence in satellite-base

Galileo is a global navigation satellite system (GNSS) developed by the European Union and operated entirely under civilian control. In operation since 2016, it offers a high-accuracy and independent solution specifically tailored to Europe’s positioning and timing needs. Unlike the U.S.'s GPS and Russia’s GLONASS, Galileo is designed with civilian users in mind, marking a key point of differentiation.Today, over 3.5 billion devices worldwide benefit from Galileo signals. Thanks to its dual-freq

Media Ethics is a field that addresses moral principles such as accuracy, honesty, and responsibility in the use of communication tools. It serves as a guide for journalists, broadcasters, and content creators, aiming to keep public access to information within ethical boundaries. In fields such as communication studies, journalism, and social analysis, media ethics plays a fundamental role in maintaining the credibility and influence of the media.Historical DevelopmentMedia ethics began to take

Machine learning models are increasingly used in various applications to classify data into different categories. However, evaluating their performance is essential to ensure their accuracy and reliability. One of the key tools in this evaluation process is the confusion matrix.The confusion matrix, is a simple table that shows how well a classification model performs by comparing its predictions with real results. It categorizes predictions into four groups: correct predictions for both classes

In scientific articles, references is a critical element in academic research, accuracy, reliability and ethical principles. The bibliography clarifies the sources and data used by the researcher, ensuring the verifiability of citations and eliminating the risk of plagiarism. Accurate bibliographic representation enables readers to understand the theoretical foundations and literature underlying the study. Different scientific fields use specific citation formats, which are necessary for standar