NoiseFigureGUI 0 0 404 642 0 0 352 0 Liberation Sans 9 Qt::StrongFocus AIS Demodulator 0 0 390 151 350 0 Settings 3 2 2 2 2 2 16 0 Df 0 0 32 16 Liberation Mono 12 PointingHandCursor Qt::StrongFocus Measurement frequency from center in Hz Hz Qt::Vertical Qt::Horizontal 40 20 Channel power Qt::RightToLeft 0.0 dB dB 0 0 0 24 Liberation Mono 8 Level meter (dB) top trace: average, bottom trace: instantaneous peak, tip: peak hold Qt::Horizontal FFT Size 50 0 FFT size (number of bins) 64 64 128 256 512 1k Qt::Vertical BW 30 0 Measurement bandwidth as determined by width of a single FFT bin 10.0k Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter Qt::Vertical FFTs to average 0 0 0 0 Number of FFT outputs to average to calculate power 1 10 1 1 10 Qt::Horizontal 30 0 2.4k Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter Qt::Vertical Qt::Horizontal 0 0 68 0 How to specify frequencies to measure NF at Range Step List Start Start frequency in MHz 3 10000.000000000000000 Stop Stop frequency in MHz 3 10000.000000000000000 Steps Number of frequencies to measure at between start and stop inclusive 1 10000 Step Frequency step in MHz 3 0.001000000000000 10000.000000000000000 Freqs List of frequencies in MHz to measure NF at Qt::Horizontal Start/stop noise figure measurement :/play.png :/stop.png:/play.png Save results to a .csv file :/save.png:/save.png Clear results :/bin.png:/bin.png Qt::Horizontal 40 20 Open ENR dialog :/listing.png:/listing.png Open noise source control dialog :/link.png:/link.png 0 450 391 171 0 0 Results 2 3 3 3 3 Received packets QAbstractItemView::NoEditTriggers Freq (MHz) Frequency in MHz the noise figure was measured at NF (dB) Noise figure in dB T (K) Noise temperature in Kelvin Y (dB) Y factor in dB ENR (dB) Excess noise ratio of the noise source in dB Floor (dBm) Noise floor in dBm for 1Hz bandwidth at 290K 0 160 391 268 0 0 200 200 Chart 2 3 3 3 3 Select data to plot on chart Noise Figure (dB) Noise Temperature (K) Y (dB) ENR (dB) Noise floor (dBm) Open .csv file with reference data :/load.png:/load.png Clear reference data :/bin.png:/bin.png 300 250 RollupWidget QWidget
gui/rollupwidget.h
1
ValueDialZ QWidget
gui/valuedialz.h
1
LevelMeterSignalDB QWidget
gui/levelmeter.h
1
ButtonSwitch QToolButton
gui/buttonswitch.h
QChartView QGraphicsView
QtCharts
deltaFrequency fftSize fftCount frequencySpec start stop steps step frequencies startStop saveResults clearResults enr control chartSelect openReference clearReference chart results