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Shell Programming and Scripting
Find associated strings in a bash shell script
Post 302545205 by danmero on Sunday 7th of August 2011 11:53:28 AM
08-07-2011
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LEARN ABOUT DEBIAN
gr_plot_fft_f
GR_PLOT_FFT_F(1) User Commands GR_PLOT_FFT_F(1) NAME
gr_plot_fft_f - plot complex binary data using GNU Radio SYNOPSIS
gr_plot_fft_f: [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 -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] SEE ALSO
gr_plot_char(1) gr_plot_const(1) gr_plot_fft_c(1) gr_plot_fft_f(1) gr_plot_float(1) gr_plot_int(1) gr_plot_iq(1) gr_plot_psd_c(1) gr_plot_psd_f(1) gr_plot_qt(1) gr_plot_short(1) gr_plot_fft_f 3.5 December 2011 GR_PLOT_FFT_F(1)