discrete-time system

[/dɪˈskriːt taɪm ˈsɪstəm/]
nounpl: discrete-time systems
sistema de tempo discreto
1. A dynamical system in which variables are defined only at discrete points in time, typically at regular intervals, rather than continuously
A discrete-time system updates its state at each clock pulse rather than continuously.
Um sistema de tempo discreto atualiza seu estado a cada pulso de relógio em vez de continuamente.
2. In control theory and signal processing, a system where the input and output signals are defined only at specific time instants
Digital controllers implement discrete-time systems that sample continuous signals at fixed intervals.
Controladores digitais implementam sistemas de tempo discreto que amostra sinais contínuos em intervalos fixos.
3. A computational or mathematical model where time progresses in steps or increments rather than flowing continuously
The simulation of a discrete-time system requires specifying the sampling period.
A simulação de um sistema de tempo discreto requer a especificação do período de amostragem.
This is a specialized technical term primarily used in engineering, control theory, and digital signal processing fields. It is universally recognized in academic and industrial settings across Brazil, Portugal, and English-speaking countries. The concept is fundamental to modern digital control systems, embedded systems, and digital signal processing applications, making it essential terminology for electrical engineers, computer scientists, and automation specialists.
Synonyms / Sinônimos
sampled-data systemdigital systemtime-discrete systemdiscrete system
Antonyms / Antônimos
continuous-time systemanalog system

Regional Variations

General Brazilian
sistema de tempo discreto
Standard technical term used in engineering and control theory education
São Paulo
sistema de tempo discreto
Common in academic and industrial control engineering contexts
Rio de Janeiro
sistema de tempo discreto
Standard usage in engineering faculties and research institutions
Portugal
sistema de tempo discreto
Identical terminology used in Portuguese engineering education and practice

Related Words

digital signal processingsampling theoremz-transformdifference equationstate-space representationcontrol systemquantization

Related Idioms & Phrases

sampling at regular intervals
stepping through time
digital implementation of control
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