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Round 3 - Data Sets

Round 3 is a year-long challenge building on Round 2 with improved source models and some new sources. This round concluded April 30,2008. The solutions and entries are available here. A document which fully specifies the waveform models and other details of Round 3 is in preparation.

Note: The official challenge data sets were generated on 3-4 April 2008 (training data on Apr 1) and linked here on April 4. Please discard any older versions.

  • Challenge 3.1 - Galaxy with chirping binaries

    A two-year dataset (2^22 samples with 15 s sampling) with signals from 6e7 galactic binaries. Orbital frequency may be linearly increasing or decreasing. The set also includes 20 "verification binaries" with some information (here) about the systems considered known.
    Training data sets (key)
    LISA Simulator data download noise-free
    Synthetic LISA data download noise-free
    Blind challenge data sets
    LISA Simulator data download
    Synthetic LISA data download
  • Challenge 3.2 - MBH binary over galactic confusion

    A two-year (2^22 samples with 15s sampling) with signals from U[4,6] spinning MBH binary inspirals.
    Training data sets (key)
    LISA Simulator data download noise-free
    Synthetic LISA data download noise-free
    Blind challenge data sets
    LISA Simulator data download
    Synthetic LISA data download
  • Challenge 3.3 - EMRIs

    A two year dataset (2^22 samples at 15 s cadence) containing signals from 5 "MLDC EMRIs" with parameters drawn as in Challenge 1B.
    Training data sets (key)
    LISA Simulator data download noise-free
    Synthetic LISA data download noise-free
    Blind challenge data sets
    LISA Simulator data download
    Synthetic LISA data download
  • Challenge 3.4 - Bursts

    A month-long dataset (2^21 samples with 1 s sampling) with Poisson-distributed cosmic-string-cusp bursts. The Possion event rate is 5 events per month. SNRs are uniformly distributed between 10 and 100. The logarithm of the maximum frequency will be uniformly distributed in [-3,1.0]. For this challenge, the noise is non-symmetric with secondary noises randomized independenly at each optical bench within a range +/-20% of the nominal value; laser noise is also included (independently randomised across the constellation) with a level 10 times the (nominal) amplitude of the secondary noises at 1 mHz. We also provide the X,Y,Z TDI channels and the 12 inter/intra-spacecraft raw phase measurements are provided.
    Training data sets (key)
    Synthetic LISA data download noise-free
    Blind challenge data sets
    Synthetic LISA data download
  • Challenge 3.5 - Stochastic Backgrounds

    A month-long dataset (2^21 samples with 1 s sampling) with an isotropic stochastic background with S_h proportional to f^-3. The signal is realized by placing 192 pseudo-random sources at Healpix-distributed points across the sky. As in Challenge 3.4, the noise is non-symmetric with secondary noises randomized independenly at each optical bench within a range +/-20% of the nominal value; laser noise is also included (independently randomised across the constellation) with a level 10 times the (nominal) amplitude of the secondary noises at 1 mHz. We also provide the X,Y,Z TDI channels and the 12 inter/intra-spacecraft raw phase measurements are provided.

 


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