卡尔曼滤波器在IQ信号相位和频率解调中的应用

2008 IEEE Region 8 International Conference on Computational Technologies in Electrical and Electronics Engineering Pub Date : 2008-07-21 DOI:10.1109/SIBIRCON.2008.4602570

F. Schadt, F. Mohr, M. Holzer

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引用次数: 19

摘要

频率或相位调制的电信号出现在通信系统的多种应用以及测量装置中，如干涉测量/测振、测速等。常见的解调技术通常基于模拟技术(例如射频频段的锁相环)，或者在混合到基带并产生IQ信号后，基于数字信号处理算法。

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Application of kalman filters as a tool for phase and frequency demodulation of IQ signals

Frequency or phase modulated electrical signals arise in multiple applications in communication systems as well as in measurement setups such as interferometry / vibrometry, velocimetry etc. common demodulation techniques are often based on analog techniques (e.g. a PLL in the RF band) or - after mixing into the base band and generating IQ signals - on digital signal processing algorithms.

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2008 IEEE Region 8 International Conference on Computational Technologies in Electrical and Electronics Engineering

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