VEGA
Data Repository of Passive Radar Measurements

Measurement Meta Data

Meta data version:
1.4
VEGA data set ID:
VEGAM20191219K4U0C0S6DVBT
Measurement date:
19 12 2019
Measurement site:
Measurement objective:
Vecsés, Hungary
Test passive radar direction of arrival estimation and beamforming with the Kebreros SDR
Rx latitude:
47.393033
Rx longitude:
19.287338
Rx Hardware:
Kerberos-4
Rx unit ID:
0
Rx system versions:

Rx hardware:0.1

DAQ firmware: 0.2.1a

Surveillance channel antenna(s):
4 elment Minkowski fractal patch array
Reference channel antenna(s):
Surveillance antenna heading:
Reference antenna heading:
8 element Yagi
113
291
Surveillance channel indices:
1, 2, 3
Reference channel indices:
0
Surveillance antenna polarization:
H, H, H
Reference antenna polarization:
H
Measurement frequency:
634
IoO type:
DVB-T
IoO location:
Széchenyi-hill Budapest Hungary, Hármashatár-hill Budapest Hungary, Száva street Budapest Hungary
IOP latitude:
47.491706, 47.550133, 47.468719
IOP longitude:
18.979247, 19.001495, 19.125839
IOP EIRP [dBW]:
48, 38, 37
IoO polarity:
H,H,H
Configuration ID:
0
Surveillance ID:
6
Number of records:
476
CPI length:
109.22 ms
Data size:
3.84 GB
Data type:
IQ
Sampling frequency:
2.4 MHz
Additional comments:

Gains of the individual receiver channels are tuned separately. The actual gains values are stores in the IQ header.

Measurement setup:

Reference Processing:

Channel source:

  • Reference channel: From channel number 0

  • Surveillance channel: Beamforming from channel numbers: 1, 2, 3


Clutter cancelation:

  • Prefiltering: None

  • Beamforming: MVDR

    • The direction of the main beam is specified explicitly for all the CPIs according to
      the real azimuth of the target, which has been obtained from FlightRadar 24 track data.

  • Time domain filtering: Wiener SMI MRE 

    • Dimension: 128​


Reference signal reconstrution:

  • None


Cross-Correlation detector:

  • Method: Overlap and save

  • Maximum range: 256bistatic range cell

  • Maximum Doppler frequency: 559Hz

Automatic detection:​

  • Method: CA-CFAR

  • Noise power estimation windows size: 6 x 6 cell

  • Guard cells: 3x3 cell

  • Threshold: 10 dB

​​

Identified targets:

​​

Target ID:0

  • First time index : 2446

  • Last time index : 2621

  • Cooperative: No 

  • Target class: Airplane 

  • Target type: Unknown

  • Target Range-Doppler-Azimuth trajectory: Available

  • Real Target trajectory: Available – FlightRadar24 track

  • Available target detection performance metrics:

    • Delta (Target SINR)

Range-Doppler map animation of te reference processing
Range-Doppler map animation
Range-Doppler map animation of te reference processing
Hit matrix animation