Real time - i / q - asymmetry correction for broadband - hf - receiver

摘要

A receiver apparatus is modeled and corrects the frequency-dependent and the frequency-independent mismatch between i - and q - because in common by polynomial estimates. The receiver device can be digitized i - and q - path signals scanning. The scanned data point, it is possible in equations with real and imaginary components are modelled. The scanned time-discrete area data can be converted into frequency domain data. Multiple statistics values on the basis of the frequency domain data can be calculated. For the polynomial coefficients equal to a lead, on the basis of the calculated statistics values are estimated. The channel fails adaptations can be made of the polynomial estimated and equal to a resistance to be used in order to provide the mismatching either on the i - path or the q - way to compensate for.