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
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)
-
Open .csv file with reference data
:/load.png:/load.png
-
Clear reference data
:/bin.png:/bin.png
-
300
250
RollupWidget
QWidget
1
ValueDialZ
QWidget
1
LevelMeterSignalDB
QWidget
1
ButtonSwitch
QToolButton
QChartView
QGraphicsView
deltaFrequency
fftSize
fftCount
start
stop
steps
startStop
saveResults
clearResults
enr
control
chartSelect
chart
results