26 October 2004 Accurate HF carrier estimation
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Abstract
We describe an algorithm to accurately estimate the carrier frequency of a single sideband HF speech signal. The algorithm is based on an outer product applied to a complex-valued time-frequency representation in which instantaneous frequency is encoded as the complex argument and the spectrogram is encoded as magnitude. Simple matrix operations are applied to isolate and estimate the carrier. The algorithm is fast, efficient, easily coded and converges rapidly to a very accurate carrier estimate.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Douglas J. Nelson and Jeffery A. Marasovich "Accurate HF carrier estimation", Proc. SPIE 5559, Advanced Signal Processing Algorithms, Architectures, and Implementations XIV, (26 October 2004); doi: 10.1117/12.560331; https://doi.org/10.1117/12.560331
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