gnuradio I/Q balancing
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title: gr-iqbalance brief: GNU Radio block to correct IQ imbalance in quadrature receivers tags: - iq imbalance - rx - osmocom author: - Sylvain Munaut tnt@246tNt.com copyright_owner: - Sylvain Munaut tnt@246tNt.com license: GPLv3 gr_supported_version: 3.9 repo: git://git.osmocom.org/gr-iqbal icon: http://people.osmocom.org/~tnt/stuff/iqbal-icon.png

GNU Radio block to correct IQ imbalance in quadrature receivers

It's composed of two main block:

  • fix : Given a phase and amplitude error, it will correct a complex signal
  • optimize: Attempts to auto-detect the phase and amplitude error to feed to the fix block above

The gr-osmosdr driver can make use of this block automatically if gr-iqbalance is installed prior to gr-osmosdr.