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• Quadratursignale: Komplex, aber nicht kompliziert

• Introduction - IQ Modulator Error Compensation
• Synchronizing IQ Baseband Signals to Reduce Error Vector Magnitude
• Sources of Error in IQ Based RF Signal Generation
• IQ Gain Phase Correction
• An Algorithm for Quantitatively Calculating I/Q Gain and Phase Mismatch
• Joint Compensation of IQ-imbalance and Frequency Offset in OFDM systems (FTP)
• Semi-Blind Cancellation of IQ-Imbalances
• Automatic IQ Correction Algorithm in SDR#
• Adaptive IQ Mismatch cancellation for Quadrature IF Receivers
• Wireless Transmitter IQ Balance and Sideband Suppression
• Measuring Phase and Delay Errors Accurately in I/Q Modulators
• Frequency Selective IQ Phase and IQ Amplitude Imbalance Adjustments
• Adaptation of IQ-error compensation Patent US7742539B2
• Baseband I/Q Trace Mismatch Degrades Sideband Suppression of RF I/Q Modulation
• Theory of Operation of I/Q Demodulation
• Correcting I-Q Imbalance in Direct Conversion Receivers
• Frequency Domain Quadratur Error Correction
• Correction of Phase and Amplitude Error Of RF Modulator and Demodulator
• I/Q mismatch calibration based on digital baseband
• Quadrature Phase Error in Receivers
• Verfahren der digitalen Kompensation von Unsymmetrien der analogen Quadraturmischung
• Quadrature Empfänger für Software Defined Radios: Kompensation von Gleichlauffehlern

• LDMOS RF Amplifier Linearization using PowerSDR mRX Pure Signal
• Präsentation "LDMOS RF Amplifier Linearization using PowerSDR mRX Pure Signal"
• Digital Predistortion in PowerSDR
• Quelltext PowerSDR PureSignal

• QAM-Modem im FPGA