Time Keeping Systems

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Sampled data systems - Sampled-data systems is a control system where the continuous-­time plant is controlled with a digital device. Under periodic sampling, the sampled­-data system is time-­varying but also periodic, and thus it may be modeled by a simplified discrete-­time system obtained by discretizing the plant.

Unix time - Unix time, or POSIX time, is a system for describing points in time. It is widely used not only on Unix-like operating systems but in many other computing systems, including the Java programming language.

Time transfer - Time transfer describes methods for transferring reference clock synchronization from one point to another, often over long distances. Radio-based navigation systems are frequently used as time transfer systems.

Station keeping - Station keeping is the practice of maintaining the orbital position of satellites in geostationary orbit. Automatic and Earth-station systems monitor and maintain a satellite's position with telemetry instrumentation and on-board thruster systems.

Suggested Web Sites

The Real-Time Systems Laboratory - Established more than 20 years ago, the RTSL has been pioneering the area of real-time computing. The Real-Time Systems Laboratory performs research on all aspects of real-time computing systems. A real-time system must not only produce logically correct results, but it must also produce them with certain timing constraints. ...

Express Time Systems - Sales and support of employee time clocks and time recording equipment. Offering time and attendance systems from Acroprint, Amano Cincinnati, Time America, and Recognition Systems. USA

Allday Time Systems - Supply and manufacture of time stamps, time recording systems, Time clocks, time and attendance systems, marking devices.

Source: BazSites.com

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