计算机与数字工程2018，Vol.46Issue(3)：445-448,453,5.DOI:10.3969/j.issn.1672-9722.2018.03.005
一种新的联合跳频信号参数估计算法
New Joint Algorithm for Parameter Estimation of Frequency-Hopping Signals
张志宝 1孙微涛 1罗文峰 1张力1
作者信息
- 1. 中国人民解放军63788部队 渭南714000
- 折叠
摘要
Abstract
The Short-time Fourier Transform(STFT)can both have the time and frequency resolution at the same time.In or?der to solve this problem,a new joint algorithm that is based on parameter estimation of frequency-hopping signals is proposed. First,STFT with short window is obtained.Then,coarse estimation of hopping time is extracted from the time-frequency ridge of ST?FT. And the accurate estimation of hopping time is extracted from the obtained coarse estimation which is corrected by the least squares method.Finally,the Burg algorithm is used to estimate the frequency of the signal between the two hopping time.Theoreti?cal analysis and simulation results demonstrate that the proposed method can effectively and feasibly estimate parameter of frequen?cy-hopping signals.关键词
参数估计/STFT算法/Burg算法/跳频Key words
parameter estimation/STFT algorithm/Burg algorithm/frequency-hopping分类
信息技术与安全科学引用本文复制引用
张志宝,孙微涛,罗文峰,张力..一种新的联合跳频信号参数估计算法[J].计算机与数字工程,2018,46(3):445-448,453,5.
