02-01-2009
Hi, CB.
You might benchmark these approaches to see what is best for your situation,
I would start with the smallest practical set to see what the overhead might be, then perhaps 1, 2, 5, and 10% of the data to see how it is progressing. Many complex solutions tend not to be linear. I think both will be somewhat memory intensive if you have 300K lines in your key.dat file.
Keep us posted ... cheers, drl
PS I used fgrep to avoid any interpretation of special characters in your patterns. The sample you provided used only "|" which is recognized by egrep, but I don't know how representative your sample was.
Last edited by drl; 02-01-2009 at 01:57 PM..
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LEARN ABOUT DEBIAN
gr_plot_const
GR_PLOT_CONST(1) User Commands GR_PLOT_CONST(1)
NAME
gr_plot_const - constellation plot of I&Q data using GNU Radio
SYNOPSIS
gr_plot_const: [options] input_filename
DESCRIPTION
Takes a GNU Radio complex binary file and displays the I&Q data versus time and the constellation plot (I vs. Q). You can set the block
size to specify how many points to read in at a time and the start position in 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 axis, set the sample rate (-R or --sample-rate) to the sam-
ple 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_fft.py(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_const 3.5 December 2011 GR_PLOT_CONST(1)