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How to Use Signal Datastores


Signal data manipulation can be a daunting task, especially when dealing with large or complex datasets. For those struggling with the organization and management of signal data, Signal Datastores come to the rescue. In this blog, we'll explore how Signal Datastores can streamline the process of working with signal data, making it more efficient and manageable.

Creating Signal Datastore with In-memory Data

Imagine having to manage signals stored across multiple files or within a single file, each with its own complexities. Signal Datastores simplify this process by organizing the data into a consistent and easy-to-use format. For instance, by creating a Signal Datastore from in-memory data, you can store signals in a cell array before creating a Signal Data Store object, which contains data and sample rate information, making it easily accessible for further manipulation and visualization.

Using Signal Datastores for Signal Visualization and Manipulation

Signal Datastores facilitate efficient signal visualization and manipulation. By utilizing built-in features such as the FS variable to access and visualize the data, and employing techniques like short time Fourier transform (STFT) to plot and manipulate signals, users can effectively manage and analyze diverse signal data with ease.

Using Signal Datastores to Read and Visualize Signals

When working with Signal Datastores, it becomes crucial to understand how to read and visualize the signals effectively. Signal Datastores can automatically read the first signal from each file, but you can also specify the particular signals you want to read, or even define custom reading functions for more complex data formats. This allows for a high degree of flexibility in managing and extracting the required signal data.

Using Signal Datastores for Efficient Data Organization

Efficient data organization is a key benefit offered by Signal Datastores. They provide a seamless way to access and organize data, making it easier to work with multiple signals and large datasets. By collecting variables and looping through signals, users can perform Fourier transform for each signal and efficiently manage large datasets, leading to significant time savings and improved workflow.


In conclusion, Signal Datastores in MATLAB offer a powerful solution for efficiently managing and analyzing signal data. By simplifying the process of data organization, visualization, and manipulation, Signal Datastores enable users to tackle complex signal data with ease. Embracing this tool can lead to more efficient workflows and enhanced productivity when working with large datasets.

Learn how to manage and process large signal data sets with ease. Whether you are dealing with data too big to fit in memory or want to streamline your signal processing workflow, this tutorial will help you get started. Cover the basics of creating and using a signal datastore, reading data, processing signals, and applying custom functions to your data.

If you are new to datastores, start by checking out this introductory video:

The code and data shown today can be accessed by following the instructions at the following documentation page:

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