Signal Data Types
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This section describes the data types which can be used to represent signals. The starting flowgraph from Your First Flowgraph is used in this section.
Signal Data Types
Every input and output port on a block will have a data type associated with it. The data type is identified by the color of the input and output port. The GNU Radio data types can be found by opening GNU Radio Companion (GRC) and clicking Help, Types:
A window displays the data types and their associated colors:
Complex Data Type
The following flowgraph uses the Complex Float 32 data type, which uses a 32-bit float to represent the real and imaginary portions of a complex sample.
