Random Source

Generates a number of samples of random numbers of [min, max) meaning the max value won't be included. Repeat samples if specified. Great for creating bytes of information for a modulator.

Ex: With min=0 and max=2, the sequence 01110101... will be generated.

Supports an output of type int, short, and byte.

This block differs from Random Uniform Source:

This block uses Numpy to generate a fixed random vector of values. The output of this block repeats every num_samples, and hence has high autocorrelation with that period.
The algorithms used to generate the random numbers differ, as well: Numpy, and hence Random Source, use https://en.wikipedia.org/wiki/Mersenne_Twister MT19937] (but the slightly superior randomness properties don't matter within the maximum size of a vector of values on a PC), whereas the Random Uniform Source uses https://xoroshiro.di.unimi.it/xoroshiro128plus.c XOROSHIRO128+], which has a period of 2¹²⁸-1 and is hence to be preferred if autocorrelation over a window of length num_samps is relevant.

Parameters

(R): Run-time adjustable

Param 1 (R)

Description of parameter, provide any tips or recommended values. Note that the name of the parameter above should match the param's label that shows up in grc (e.g. Sample Rate).

Param 2

blah blah blah

Example Flowgraph

Source Files

C++ files

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Header files

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Public header files

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Block definition

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