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Top Forums Shell Programming and Scripting Using AWK to Calculate Correct Responses Post 302521223 by bartus11 on Tuesday 10th of May 2011 03:15:18 PM
Can you show us what would be the desired output for this sample data?
Test Your Knowledge in Computers #105
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The programming interface, file abstraction, built-in networking and persistent background processing are all features and capabilities supported by a Unix or Linux OS.
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GR_PLOT_FFT_C(1)						   User Commands						  GR_PLOT_FFT_C(1)

gr_plot_fft_c - plot complex binary data using GNU Radio SYNOPSIS
gr_plot_fft_c: [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_c 3.5 December 2011 GR_PLOT_FFT_C(1)

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