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The Global Positioning System (GPS) is a satellite-based navigation system that provides geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. Originally developed for military use, GPS has become an essential tool for various civilian applications, including navigation, mapping, and timing services.
Triangulation is a method used to increase the validity and reliability of research findings by using multiple data sources, theories, methods, or investigators to cross-verify results. It helps in providing a more comprehensive understanding of the phenomenon under study by mitigating biases and uncovering different dimensions of the research problem.
Geolocation is the process of identifying the physical location of a device or user using data from GPS, IP addresses, Wi-Fi, or other location-based technologies. It is widely used in various applications, including navigation, location-based services, and targeted advertising, providing critical insights into user behavior and preferences.
Satellite Navigation is a technology that enables precise location determination and navigation using signals from orbiting satellites. It is widely used in various applications, including transportation, mapping, and emergency services, providing real-time positioning and timing information globally.
An Inertial Navigation System (INS) is a self-contained navigation system that uses a computer, motion sensors, and rotation sensors to continuously calculate the position, orientation, and velocity of a moving object without the need for external references. It is widely used in aircraft, spacecraft, and submarines due to its ability to operate in environments where GPS signals are unavailable or unreliable.
Location-Based Services (LBS) leverage geographical data to provide information, entertainment, or security services to users based on their physical location. They are integral to various applications such as navigation, social networking, and location-based advertising, enhancing user experience by offering contextually relevant content and services.
Signal processing involves the analysis, manipulation, and synthesis of signals such as sound, images, and scientific measurements to improve transmission, storage, and quality. It is fundamental in various applications, including telecommunications, audio engineering, and biomedical engineering, where it enhances signal clarity and extracts useful information.
Coordinate systems provide a framework for defining the position of points in space, using a set of numbers called coordinates. They are essential in mathematics, physics, and engineering for describing spatial relationships and transformations between different reference frames.
Dead reckoning is a navigational technique that estimates a current position based on a previously determined location, using known speeds, elapsed time, and course directions. It is crucial in environments where GPS or other external references are unavailable, though it can accumulate errors over time without periodic correction from reliable position fixes.
Localization accuracy refers to the precision with which a system or algorithm can determine the position of an object or feature within a given space. It is crucial in applications such as autonomous vehicles, robotics, and augmented reality, where precise positioning is necessary for effective operation and decision-making.
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