MT Format Trellis Diagram
- Updated2023-02-17
- 3 minute(s) read
MT Format Trellis Diagram
Receives a complex-valued waveform, divides it into segments of (trellis length / symbol rate), and displays those segments as a trellis diagram on a standard waveform graph.
Inputs/Outputs
waveform
Modulated data for plotting on a trellis diagram.
t0
Trigger (start) time of the Y array.
Default value: 0.0
dt
Time interval between data points in the Y array.
Default value: 1.0
Y
The complex-valued signal-only baseband modulated waveform. The real and imaginary parts of this complex data array correspond to the in-phase (I) and quadrature-phase (Q) data, respectively.
symbol rate
The desired symbol rate, in hertz (Hz).
Default value: 1.0
trellis length
Number of symbol periods on the horizontal scale of the trellis diagram.
Default value: 2
modulation index
Modulation index of the input waveform. The default is appropriate for MSK modulation.
Default value: 0.5
error in
Error conditions that occur before this node runs.
The node responds to this input according to standard error behavior.
Default value: No error
trellis diagram
An array of waveform segments for trellis diagram display. Each segment has a time length of (trellis length × symbol period) seconds. Wire this parameter directly to a waveform graph.
t0
Time of first value in the phase array.
dt
Time between values in the phase array.
Default value: 1.0
phase
Unwrapped phase of the input waveform.
error out
Error information.
The node produces this output according to standard error behavior.