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id: analog_fastnoise_source_x
label: Fast Noise Source
parameters:
- id: type
label: Output Type
dtype: enum
options: [complex, float, int, short]
option_attributes:
fcn: [c, f, i, s]
hide: part
- id: noise_type
label: Noise Type
dtype: int
default: analog.GR_GAUSSIAN
options: [analog.GR_UNIFORM, analog.GR_GAUSSIAN, analog.GR_LAPLACIAN, analog.GR_IMPULSE]
option_labels: [Uniform, Gaussian, Laplacian, Impulse]
- id: amp
label: Amplitude
dtype: real
default: '1'
- id: seed
label: Seed
dtype: int
default: '0'
- id: samples
label: Variate Pool Size
dtype: int
default: '8192'
outputs:
- domain: stream
dtype: ${ type }
templates:
imports: from gnuradio import analog
make: analog.fastnoise_source_${type.fcn}(${noise_type}, ${amp}, ${seed}, ${samples})
callbacks:
- set_type(${noise_type})
- set_amplitude(${amp})
documentation: |-
The fast noise source works by pre-generating a pool of random variates taken from the specified distribution. At runtime, samples are then uniform randomly chosen from this pool which is a very fast operation.
file_format: 1
|
