Acoular 18.01 documentation

What’s new

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What’s new

18.01

  • Added new DAMAS solving strategies (BeamformerDamasPlus)
  • Added Generalized Inverse Beamforming
  • Floating point precision of CSM, PSF and beamformer customizable (default: float64) – affects cache file size
  • PowerSpectra class now includes EigSpectra functionality (EigSpectra still callable for backwards compatibility)
  • Inverse methods: unit of sound pressure for internal calculation customizable (default: nPa) for better numeric stability with sklearn solvers. Still returns all values in Pa.
  • Bugfix: BeamformerFunctional works now with steering vector formulation II (inverse) and III (true level) which produced incorrect results in the past.
  • Bugfix: BeamformerFunctional can only be called when the diagonal of the CSM is included
  • Bugfix: Corrected calculation of PSF for steering vector formulation IV
  • Bugfix: Behaviour of normalizing PSF at assumed source location (psf=1) is removed

17.11

  • Added support for Python 3.4,3.5 and 3.6
  • Implementation of fast/parallelized code now with Numba (instead of C++ and SciPy.weave)
  • cross spectral matrix (CSM) orientation changed (was transposed in earlier versions). Please do not use the cache files from earlier versions in version 17.11!

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