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연속-이산 변환

모델 이산화, 이산시간에서 연속시간으로 변환, 리샘플링

Control System Toolbox™에는 동적 시스템 모델을 리샘플링하거나 연속시간 영역과 이산시간 영역 간에 변환하는 명령이 있습니다.

라이브 편집기 작업

모델 레이트 변환Convert models between continuous time and discrete time and resample models in the Live Editor


c2d연속시간 모델을 이산시간 모델로 변환
d2c이산시간 모델을 연속시간 모델로 변환
d2dResample discrete-time model
upsampleUpsample discrete-time models
c2dOptions연속시간을 이산시간으로 변환하기 위한 옵션 세트 만들기
d2cOptions이산시간을 연속시간으로 변환하기 위한 옵션 세트 만들기
d2dOptionsCreate option set for discrete-time resampling

도움말 항목

Discretizing and Resampling Models

This example shows how to use the commands for continuous/discrete, discrete/continuous, and discrete/discrete conversions.

Discretize a Compensator

This example shows how to convert a compensator from continuous to discrete time using several discretization methods, to identify a method that yields a good match in the frequency domain.

Discretizing a Notch Filter

This example shows the comparison of several techniques for discretizing a notch filter.

Improve Accuracy of Discretized System with Time Delay

This example shows how to improve the frequency-domain accuracy of a system with a time delay that is a fractional multiple of the sample time.

Convert Discrete-Time System to Continuous Time

This example shows how to convert a discrete-time system to continuous time using d2c, and compare the results using two different interpolation methods.

Continuous-Discrete Conversion Methods

Choose discretization and interpolation methods for converting between continuous and discrete models.

Upsample Discrete-Time System

This example shows how to upsample a system using both the d2d and upsample commands and compare the results of both to the original system.

Choosing a Resampling Command

Use resampling commands to change the sample time of a discrete-time system.