What is the difference between Signal Processing Toolbox and DSP System Toolbox R2023a?

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Paul Metcalf
Paul Metcalf 2012-7-6
编辑： MathWorks Support Team 2023-9-1
I am looking for insights for MathWorks products for signal processing workflows, such as filtering, code generation, and use of Simulink to perform signal processing. I have identified that both Signal Processing Toolbox and DSP System Toolbox are used in digital signal processing.
What is the difference between Signal Processing Toolbox and DSP System Toolbox R2023a?

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Honglei Chen
Honglei Chen 2023-8-24
编辑：MathWorks Support Team 2023-9-1
While Signal Processing Toolbox supports performing signal processing and analysis (resampling, power spectrum estimation, visualization and processing of several signals simultaneously, and even design of filters with the Signal Analyzer App and Filter Designer App), DSP Systems Toolbox is a more advanced product that supports design and simulation of streaming signal processing systems in a wide range of real-life applications, such as real-time DSP systems, multi-rate, multistage and adaptive filters, advanced code generation capabilities, etc. 
The table below summarizes some key features and workflows as of R2023a:
Because of the points listed above, DSP System Toolbox requires both MATLAB and Signal Processing Toolbox licenses, while Signal Processing Toolbox only requires a MATLAB license. In other words, to install DSP Systems Toolbox, Signal Processing Toolbox needs to be already installed. In addition, diverse products such as Audio Toolbox, Communication Systems Toolbox, 5G Toolbox, Radar Toolbox, Phased Array Systems Toolbox, and SerDes Toolbox require DSP System Toolbox.
The following sites provide an overview of the functionalities that both toolboxes provide:
For Signal Processing Toolbox: https://www.mathworks.com/products/signal.html
For DSP Systems Toolbox https://www.mathworks.com/products/dsp-system.html

更多回答（2 个）

Kaustubha Govind
Kaustubha Govind 2012-7-6
AFAIK, DSP System Toolbox (which was introduced in R2011a) simply replaces the Signal Processing Blockset™ and Filter Design Toolbox™ products - in other words, it combines functions from both toolboxes. Perhaps your code contains Filter Design functions?
Paul Pacheco
Paul Pacheco 2012-7-6
I would add that the algorithms in the DSP System Toolbox are better suited for modeling and simulating systems that process streaming data and deployment, i.e., generating code.

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