Mercurial > ~darius > hgwebdir.cgi > pyinst
changeset 54:42621291eb9b
Improve usage message.
| author | Daniel O'Connor <doconnor@gsoft.com.au> |
|---|---|
| date | Thu, 02 May 2013 17:55:20 +0930 |
| parents | d90acb55ce31 |
| children | ad5942d22f78 |
| files | rs_fsp7_noisetest.py |
| diffstat | 1 files changed, 8 insertions(+), 6 deletions(-) [+] |
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--- a/rs_fsp7_noisetest.py Thu Mar 21 12:08:15 2013 +1030 +++ b/rs_fsp7_noisetest.py Thu May 02 17:55:20 2013 +0930 @@ -128,12 +128,14 @@ return off, on, calcnf(enr, off, on) if __name__ == '__main__': - parser = optparse.OptionParser(usage = '%prog [options] address frequency') - parser.add_option('-s', '--span', dest = 'span', default = 1e6, help = 'Span frequency (Hz)', type = float) - parser.add_option('-i', '--input', dest = 'input', default = None, help = 'Input frequency (Hz) for down converters', type = float) - parser.add_option('-w', '--sweeps', dest = 'sweeps', default = 20, help = 'Number of sweeps', type = int) - parser.add_option('-b', '--bw', dest = 'bw', default = 1000, help = 'Bandwidth (Hz)', type = float) - parser.add_option('-r', '--repeat', dest = 'repeat', help = 'Repetitions (otherwise do one and ask to continue)', type = int) + parser = optparse.OptionParser(usage = '%prog [options] address frequency', + description = 'Configures a Rhode Schwartz FSP7 spectrum analyser to do a noise figure test', + epilog = 'video bandwidth is set to 10 times the resolution bandwidth') + parser.add_option('-s', '--span', dest = 'span', default = 1e6, help = 'Span frequency in Hz (default: %default)', type = float) + parser.add_option('-i', '--input', dest = 'input', default = None, help = 'Frequency used to compute ENR (defaults to frequency)', type = float) + parser.add_option('-w', '--sweeps', dest = 'sweeps', default = 20, help = 'Number of sweeps (default: %default)', type = int) + parser.add_option('-b', '--bw', dest = 'bw', default = 1000, help = 'Resolution bandwidth in Hz (default: %default)', type = float) + parser.add_option('-r', '--repeat', dest = 'repeat', help = 'Number of repetitions, if not specified do one and ask to continue', type = int) (options, args) = parser.parse_args()