太赫兹科学与电子信息学报Issue(4)：518-526,9.DOI:10.11805/TKYDA201404.0518
基于自混频的多跳频信号跳周期估计
Hop duration estimation method based on self-mixing of multiple frequency-hopping signals
摘要
Abstract
Most-of-previous-parameter-estimation-methods-of-frequency-hopping-signal-with-a-single-channel-do-not-adapt-to-multiple-signals,and-they-do-not-take-some-influence-factors-like-multipath-fading-and-fixed-frequency-interference-into-account.-A-hop-duration-estimation-method-based-on-delay-self-mixing-is-proposed.-First,auxiliary-signal-by-delay-self-mixing-is-structured,then-the-DC(Direct-Current)-component-is-extracted,and-a-curve-changing-with-the-delay-time-is-obtained.-The-hop-duration-can-be-estimated-by-extracting-the-inflections.-The-effectiveness-of-the-proposed-method-is-analyzed-under-the-multipath-fading-and-fixed-frequency-interference.-Simulation-results-show-that-the-proposed-algorithm-is-featured-with-low-computation-complexity-and-high-accuracy-in-estimating-the-hop-duration,-which-is-robust-to-deal-with-multiple-hopping-signals-and-is-suitable-to-practical-applications.关键词
跳频信号/自混频/跳周期/拐点检测Key words
frequency hopping signal/self-mixing/hop duration/inflections extracting分类
信息技术与安全科学引用本文复制引用
程曙晖,王斌..基于自混频的多跳频信号跳周期估计[J].太赫兹科学与电子信息学报,2014,(4):518-526,9.基金项目
国家自然科学基金资助项目(61201381) （61201381）
