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Eigen-decomposition techniques for Loran-C skywave estimation

机译:Loran-C天波估计的本征分解技术

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摘要

Eigen-decomposition spectral analysis techniques are used to estimate the delays of Loran-C skywaves. Their performance is evaluated and compared with that of Fourier-based techniques. Results using off-air data are presented. This work establishes the basis on which to design a Loran-C receiver capable of adjusting its sampling point adaptively to the optimal value in a constantly changing skywave environment. Such receivers promise to improve significantly the accuracy and reliability of positioning under adverse operational conditions.
机译:本征分解频谱分析技术用于估计Loran-C天波的延迟。对它们的性能进行了评估,并与基于傅立叶的技术进行了比较。给出了使用空中数据的结果。这项工作为设计Loran-C接收机奠定了基础,该接收机能够在不断变化的天波环境中将采样点自适应地调整到最佳值。这种接收器有望在不利的工作条件下显着提高定位的准确性和可靠性。

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