caiyu/qspectrumanalyzer
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Changed labels from dBm to dB.

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hackrf_sweep outputs dBFS, but rtl_power outputs dB with some weird offset.
In no case would dBm be correct without a calibration option.
The relative "dB" label should be acceptable for all cases.
This commit is contained in:
Michael Ossmann 2017-02-12 15:03:05 -07:00
parent ba3e113e29
commit 70b9219927
1 changed files with 2 additions and 2 deletions
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4
qspectrumanalyzer/plot.py
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@ -37,7 +37,7 @@ class SpectrumPlotWidget:
self.posLabel = self.layout.addLabel(row=0, col=0, justify="right")
self.plot = self.layout.addPlot(row=1, col=0)
self.plot.showGrid(x=True, y=True)
self.plot.setLabel("left", "Power", units="dBm")
self.plot.setLabel("left", "Power", units="dB")
self.plot.setLabel("bottom", "Frequency", units="Hz")
self.plot.setLimits(xMin=0)
self.plot.showButtons()
@ -204,7 +204,7 @@ class SpectrumPlotWidget:
if self.plot.sceneBoundingRect().contains(pos):
mousePoint = self.plot.vb.mapSceneToView(pos)
self.posLabel.setText(
"<span style='font-size: 12pt'>f={:0.3f} MHz, P={:0.3f} dBm</span>".format(
"<span style='font-size: 12pt'>f={:0.3f} MHz, P={:0.3f} dB</span>".format(
mousePoint.x() / 1e6,
mousePoint.y()
)