Convert Complex Simulink To DSP (DSP Blockset)

Convert complex data from the Simulink v3 format to the DSP Blockset v2.2 format.

Library

Elementary Functions, in Math Functions

Description

The Convert Complex Simulink To DSP block accepts complex data (scalar, vector, matrix) in the Simulink 3 format, and outputs the same data in the DSP Blockset 2.2 complex format. Only complex data should be supplied to this block.

Blocks provided in Release 11 and later blocksets (e.g., Simulink 3.0, DSP Blockset 3.0, Fixed Point Blockset 2.0) use the Simulink 3 complex format, which is not compatible with the DSP Blockset 2.2 complex format. To add a new block or subsystem (Release 11 and later) to an existing model that uses the DSP Blockset 2.2 complex data format, precede it with the Convert Complex DSP To Simulink block. If the new block's output is complex, you should then follow it with the Convert Complex Simulink To DSP block (unless the downstream blocks have already been updated to their Release 11+ counterparts).

These convertor blocks are only needed for interfacing v3.0 blocks to the complex-data section of a v2.2 or earlier model. Version 3.0 blocks can be added to real-data sections of older models without any data format conversion.

Note
Within a section of model that uses the v2.2 complex format, you should continue to use the complex port identifier (*) as a guide to wiring blocks. Outputs ports labeled with the * symbol should only be connected to input ports labeled with the * symbol.

The following figure shows how you can use these two convertor blocks to migrate part of a complex-data model to the v3.0 complex format while letting other components continue to use the v2.2 complex-data format.

Dialog Box