Modeling Time Delays in MATLAB

MATLAB
735 views February 16, 2026

Time delays are a critical component when it comes to modeling any real-world system. Learn how to model multiple time-delay scenarios in MATLAB®. Model discrete-time delays, fractional delays, continuous-time delays, and variable delays using a variety of MATLAB constructs, including indexing, persistent variables, circular buffers, functions, and system objects. Download the files used in this video here: https://github.com/kschutz68/time_delay_modeling_MATLAB.git Related resources: - Adaptive Filters: https://bit.ly/339uGor - System Identification of FIR Filter Using LMS Algorithm: https://bit.ly/3MVFMp9 - System Identification of FIR Filter Using Normalized LMS Algorithm: https://bit.ly/4do31To - LMS Filter: https://bit.ly/3MXM0EV - Compare RLS and LMS Adaptive Filter Algorithms: https://bit.ly/3zEztDa - Recursive Algorithms for Online Parameter Estimation: https://bit.ly/4eA8o34 Chapters: 00:00 Introduction to Modeling Time Delays in MATLAB 00:15 Why is Delay Modeling Important? 02:34 Time-Domain Simulation vs. Symbolic Analysis 03:32 Four Common Delay Modeling Use Cases 04:14 Fixed Discrete-Time Delays using Array Indexing 05:27 Linear Buffer Implementation for Fixed Delays 07:08 Circular Buffer Implementation for Efficiency 08:18 Using DSP System Toolbox Time Delay Objects 09:39 Continuous-Time Signals and Variable Delays 10:50 Look-Back Technique for Variable Time Delays 12:11 MATLAB Implementation of Continuously Variable Delays 13:56 Conclusion and Future Simulink Topics -------------------------------------------------------------------------------------------------------- Get a free product trial: https://goo.gl/ZHFb5u Learn more about MATLAB: https://goo.gl/8QV7ZZ Learn more about Simulink: https://goo.gl/nqnbLe See what's new in MATLAB and Simulink: https://goo.gl/pgGtod © 2025 The MathWorks, Inc. MATLAB and Simulink are registered trademarks of The MathWorks, Inc. See www.mathworks.com/trademarks for a list of additional trademarks. Other product or brand names may be trademarks or registered trademarks of their respective holders.

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