In a Simulink model, how to generate baseband signal please?

Question

Swamy 2023-8-6

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https://ww2.mathworks.cn/matlabcentral/answers/2005177-in-a-simulink-model-how-to-generate-baseband-signal-please

编辑： Rohit Kulkarni 2023-8-31

Given the following input parameter values:

Frequency band lower and upper frequencies in MHz (for example 100 MHz to 1400 MHz)

Baseband bandwidth: +/- 350 MHz (variable input value)

In Simulink model, how to generate single stream of data sampled at sampling frequency Fs (for example 4000 MHs) please? 16 bit data, Fc clock frequency (for example 350 MHz) with time stamp.

Is there an existing Simulink block with such functionality please?

Thank you,

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Answer 1

Rohit Kulkarni 2023-8-23

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https://ww2.mathworks.cn/matlabcentral/answers/2005177-in-a-simulink-model-how-to-generate-baseband-signal-please#answer_1291697

编辑：Rohit Kulkarni 2023-8-31

Hi Swamy,

I understand you are looking for a method to generate a baseband signal as a source in Simulink. While there is no such one block which achieves all the functionality, you can create a custom function in MATLAB to generate the desired signal and incorporate it in your Simulink block using ‘MATLAB Function’ block from the ‘User-Defined Functions’ library. More information about the MATLAB Function block can be found at the following documentation link:

https://www.mathworks.com/help/simulink/ug/what-is-a-matlab-function-block.html

I hope the proposed workaround helps you achieve your workflow.

Thanks