Glossary index

Technology, science and the universe

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Physical and Earth sciences

Spectral Analysis

Spectral analysis is a technique used to examine the spectrum of an image, allowing for the extraction of relevant information about its content. This process involves decomposing an image into its…

Artificial intelligence

Spectral Clustering

Spectral Clustering is an unsupervised learning technique based on graph theory and spectral analysis for grouping data. It uses the eigenvalues of a similarity matrix, which represents the…

Artificial intelligence

Spectral Convolution

Spectral convolution is a mathematical operation performed in the frequency domain, primarily used in the context of convolutional neural networks (CNNs). This technique allows for the transformation…

Mathematics and statistics

Spectral decomposition

Spectral decomposition is a fundamental mathematical technique in the field of quantum mechanics that allows expressing a quantum operator in terms of its eigenvalues and eigenvectors. In the context…

Mathematics and statistics

Spectral Density

Spectral density is a measure that describes how the power of a signal is distributed as a function of frequency. This concept is fundamental in signal analysis, as it allows understanding how…

Graphics, games and extended reality

Spectral Embedding

Spectral embedding is a dimensionality reduction method based on the spectrum of the Laplacian matrix of a graph. This approach allows representing high-dimensional data in a lower-dimensional space…

Data and analytics

Spectral Graph

A spectral graph is analyzed using the eigenvalues and eigenvectors of its adjacency matrix. This approach allows for the study of the structural and dynamic properties of a graph through its…

Physical and Earth sciences

Spectroscopy

Spectroscopy is the study of the interaction between matter and electromagnetic radiation, which manifests in various forms such as visible light, X-rays, microwaves, and more. This field of study is…

Networking and telecommunications

Spectrum

The spectrum in the context of 5G networks refers to the range of electromagnetic frequencies used to transmit data. This spectrum is fundamental for wireless communication, as it determines the…

Networking and telecommunications

Spectrum Efficiency

Spectrum efficiency refers to the effective use of the available frequency spectrum, which is a limited and valuable resource in telecommunications. This concept is crucial in the context of wireless…

Networking and telecommunications

Spectrum management

Spectrum management refers to the process of managing the radio frequency spectrum, which is a limited and essential resource for wireless communications. This spectrum encompasses a wide range of…

Networking and telecommunications

Spectrum Sharing

Spectrum sharing is the practice of allowing multiple users or services to share the same frequency spectrum, thereby optimizing the use of a limited and valuable resource. This approach is…

Graphics, games and extended reality

Specular

Specular in the context of 3D rendering refers to the reflection of light on shiny surfaces, allowing for the simulation of how light interacts with different materials. This phenomenon is crucial…

Physical and Earth sciences

Specular Reflection

Specular reflection is an optical phenomenon that refers to the reflection of light on a surface in such a way that the reflected rays maintain an angle equal to the angle of incidence. This type of…

Artificial intelligence

Speech Act Theory

The Speech Act Theory is a linguistic approach that examines how verbal expressions not only communicate information but also perform actions. This theory, primarily developed by philosopher J.L…

Hardware, electronics and robotics

Speech Recognition

Speech recognition is the ability of a machine to identify and process human speech into written format. This technology allows devices to interpret voice commands and convert them into text…

Hardware, electronics and robotics

Speech Synthesis

Speech synthesis is the artificial production of human speech using artificial intelligence technologies. This process involves converting written text into audio, allowing machines to 'speak' in a…

Hardware, electronics and robotics

Speed

Speed is the rate at which a drone moves through the air, often measured in meters per second. This parameter is crucial for determining the efficiency and effectiveness of a drone in various…

Hardware, electronics and robotics

Speed Control

Speed control in drones refers to the ability to adjust and maintain a drone's speed during flight. This feature is crucial for ensuring stable and safe flight, allowing the operator to manage speed…

Web and e-commerce

Speed Optimization

Speed optimization involves techniques used to improve the loading speed of a website. This process is crucial in modern web development, as a site that loads quickly not only enhances user…

Graphics, games and extended reality

Speedrun

Speedrunning is a gaming modality where players attempt to complete a video game in the shortest time possible. This practice has become a phenomenon within the gaming community, where skill…

Artificial intelligence

Spelling Correction

Spelling correction is the process of identifying and correcting spelling errors in text. This process is fundamental in the field of natural language processing (NLP), as it ensures that written…

Cloud and infrastructure

Spend Analysis

Expense analysis in the context of FinOps and cloud cost optimization refers to the systematic process of reviewing and analyzing spending patterns on cloud services to identify cost-saving…

Web and e-commerce

spending-limit

A spending limit is the maximum amount a customer can spend on a purchase. This concept is fundamental in e-commerce, as it allows merchants to set restrictions that can help manage financial risk…