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restore initial power sweep behaviour

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if user define a delta_p that is reduced because of saturation,
then this initial setting is still kept for power sweep to be sure
that the full amplitude of sweep is used.

SI power = 0 dBm
max power amp1 = 20 dBm,
user_defined_delta_p set by user = 3
80 channels, so pch_max = 20 - 10log10(80) = 0.96 dBm
power_sweep -> power range [-3, 0] dBm

then for initial design,
   pref = 0 dBm
   computed_delta_p =
      min(pch_max, pref + user_defined_delta_p) - pref = 0.96

but for -3 power sweep
   pref = -3 dBm
   computed_delta_p =
      min(pch_max, pref + user_defined_delta_p) - pref =
      min(0.96,    -3 + 3) - (-3) = 3
   so the user defined delta_p is applied as much as possible

Signed-off-by: EstherLerouzic <esther.lerouzic@orange.com>
Change-Id: I8fd459c29aa9754ff9d4868af1d8be8642a31913
This commit is contained in:
EstherLerouzic
2022-10-19 17:38:38 +02:00
parent 8ea13bb4d6
commit e9f9ddb4d6
6 changed files with 724 additions and 13 deletions
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2
tests/test_invocation.py
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@@ -29,6 +29,8 @@ SRC_ROOT = Path(__file__).parent.parent
['--spectrum', 'gnpy/example-data/initial_spectrum2.json', 'gnpy/example-data/meshTopologyExampleV2.xls', '--show-channels', ]),
('path_requests_run_CD_PMD_PDL_missing', 'logs_path_requests_run_CD_PMD_PDL_missing', path_requests_run,
['tests/data/CORONET_Global_Topology_expected.json', 'tests/data/CORONET_services.json', '-v']),
('power_sweep_example', 'logs_power_sweep_example', transmission_main_example,
['tests/data/testTopology_expected.json', 'brest', 'rennes', '-e', 'tests/data/eqpt_config_sweep.json', '--pow', '3']),
))
def test_example_invocation(capfd, caplog, output, log, handler, args):
"""Make sure that our examples produce useful output"""