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defaults.yaml
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# YAML configuration file for RFI chamber observations
# Note:
# - SCPI commands below should be double quoted to
# avoid YAML parsing errors.
spectrumAnalyser:
visaResource: "TCPIP::134.104.26.244::inst0::INSTR"
scpiCommands: []
# Here the user can define the set of SCPI
# commands that will be run on script start
# up. These should be common configuration
# parameters that are valid for all measurements.
firstStageChanneliser:
boffile: unknown
numChannels: 32768
measurementParameters:
# Below the user can define a list of measurements
# to be performed.
- userTag: LowRange_500-3600MHz_100Hz_6sec
# userTag is a string that will be added to the
# output filename for this measurement. This will
# be added to the .rfi files for this measurement
# set as the UserFriendlyName.
spectrumAnalyserScpi:
# These are the list of measurement specific SCPI
# command to be executed prior to the meaurement
- ":DISP:WIND:SUBW:TRAC:Y:SCAL:RLEV 0"
frequencyRange:
# Frequency range is defined as the complete span
# of frequency desired in the measurement. Practically
# the script will use the analysis bandwidth as a step
# size and compute n discrete frequency blocks to be
# measured that in aggregate cover the complete desired
# frequency range.
# For example take the following parameters:
# start = 13.5
# end = 15.8
# units = GHz
# Here we will determine the analysis bandwidth from
# the SCPI interface and choose the first frequency
# blocks centre frequency as:
# start + analysis_bandwidth / 2
# The second centre frequency will be:
# start + 3 * analysis_bandwidth / 2
# and so on. Assuming an analysis bandwidth of 460 MHz
# the following array of centre frequencies will be
# observed:
#
# 13.96, 14.42, 14.88, 15.34 GHz
#
# An internal check is made to limit the span to
# only that available from the spectrum analyser.
start: 500
end: 3600
units: MHz
spectrometerParams:
# These are the parameters used to configure the
# FPGA/GPU spectrometer system.
resolution: 2
resolutionUnits: Hz
# The desired frequency resolution in user defined units.
# From this and the sampling rate (read from the analyser
# via SCPI command) the number of channels in the output
# spectrum will be calculated. For efficiency reasons, the
# FFT length will be rounded up to the next highest power
# of two meaning that the output resolution will be the
# same or finer than the desired value.
integrationTime: 20
integrationTimeUnits: s
# The desired integration time in user defined units.
# The actual integration time will be rounded to the next
# whole number of complete output spectra (e.g. if 0.1 Hz
# resolution is desured, the integration time will be rounded
# up to the next multiple of 10 seconds).
outputPath: /data/
# The output file path where spectra will be recorded
- userTag: MidRange_3600-600MHz_10Hz_10sec
spectrumAnalyserScpi:
- ":DISP:WIND:SUBW:TRAC:Y:SCAL:RLEV 0"
frequencyRange:
start: 3600
end: 6000
units: MHz
spectrometerParams:
resolution: 10
resolutionUnits: Hz
integrationTime: 10
integrationTimeUnits: s
outputPath: /data/
- userTag: HighRange_6000-8000MHz_1Hz_10sec
spectrumAnalyserScpi:
- ":DISP:WIND:SUBW:TRAC:Y:SCAL:RLEV 0"
frequencyRange:
start: 6000
end: 8000
units: MHz
spectrometerParams:
resolution: 1
resolutionUnits: Hz
integrationTime: 20
integrationTimeUnits: s
outputPath: /data/
headerInformation:
# Extra configuration information to be propagated
# verbatim into the output *.rfi files. This content
# is completely user defined.
- key: "Filetype"
value: "MPIfR RFI file"
- key: "MPIfR"
value: "Spectromonster"
- key: "Data Acquisition System"
value: "Spectromonster"
- key: "Chamber Calibration"
value: "default"
- key: "Antenna Calibration"
value: "default"
- key: "Cable Calibration"
value: "default"
- key: "LNA Calibration"
value: "default"
- key: "Background Data"
value: "unknown"
# chamber type reverb | anechoic | freespace | test ?
- key: "Chamber Type"
value: "reverb"