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gr_plot_fft - Online in the Cloud

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This is the command gr_plot_fft that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


gr_plot_fft - Frequency domain GNU Radio plotting

SYNOPSIS


gr_plot_fft: [options] input_filename

DESCRIPTION


Takes a GNU Radio complex binary file and displays the I&Q data versus time as well as the
frequency domain (FFT) plot. The y-axis values are plotted assuming volts as the amplitude
of the I&Q streams and converted into dBm in the frequency domain (the 1/N power
adjustment out of the FFT is performed internally). The script plots a certain block of
data at a time, specified on the command line as -B or --block. This value defaults to
1000. The start position in the file can be set by specifying -s or --start and defaults
to 0 (the start of the file). By default, the system assumes a sample rate of 1, so in
time, each sample is plotted versus the sample number. To set a true time and frequency
axis, set the sample rate (-R or --sample-rate) to the sample rate used when capturing the
samples.

OPTIONS


-h, --help
show this help message and exit

-d DATA_TYPE, --data-type=DATA_TYPE
Specify the data type (complex64, float32, (u)int32, (u)int16, (u)int8)
[default=complex64]

-B BLOCK, --block=BLOCK
Specify the block size [default=1000]

-s START, --start=START
Specify where to start in the file [default=0]

-R SAMPLE_RATE, --sample-rate=SAMPLE_RATE
Set the sampler rate of the data [default=1.0]

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