prbs

Generate pseudo random binary sequence for use as an input in system identification.

Enter:

prbs <task_priority> <process_interval> <prbs_order> <prbs_out> <prbs_active>

Where:

task_priority	Specify the task priority as an integer between 1 and 19.
process_interval	Specify the process interval in milliseconds. This is the rate to process the computations.
prbs_order	Specify the PRBS order as an integer between 2 and 16.
prbs_out	Specify the output variable for the PRBS result.
prbs_active	Specify the logical variable name for the active ON/OFF flag.

Example:

prbs 19 40 8 prbs_out prbs_active &

Notes:

Sampling rate should correspond to 4-5 times the significant frequency.

PRBS_period = 2 * (2^m – 1) *Ts, where m is the selected order and Ts is the sampling period; 1/PRBS_period should be a frequency 5-10 times lower than the frequency of interest.

See Also: