射频信号的S变换检测

谭阳红; 何怡刚; 雷可君

doi:10.3969/j.issn.1007130X.2010.

计算机工程与科学 >

2010 , Vol. 32 >Issue 3: 124 - 126

DOI: https://doi.org/10.3969/j.issn.1007130X.2010.

论文

射频信号的S变换检测

谭阳红 ,
何怡刚 ,
雷可君

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(湖南大学电气与信息工程学院,湖南长沙 410012)

谭阳红(1971-),女，湖南涟源人，博士，教授，研究方向为RFID、自动测试与故障诊断、高速集成电路、智能信息处理等。

收稿日期: 2008-01-05

修回日期: 2009-03-06

网络出版日期: 2010-03-10

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RF Signals Detection Based on the S Tranform

TAN Yang-Gong ,
HE Yi-Gang ,
LEI Ge-Jun

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(School of Electrical and Information Engineering,Hunan University,Changsha 410012)

Received date: 2008-01-05

Revised date: 2009-03-06

Online published: 2010-03-10

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摘要

本文针对射频(RF)信号的频率高、瞬变等特点，提出了一种基于S变换的射频信号检测方法。仿真结果表明，S变换具有很好的时频分析能力，能很好地分辩出射频信号的时频性能。

关键词： 射频信号; S变换; 时频分析

本文引用格式

谭阳红 , 何怡刚 , 雷可君 . 射频信号的S变换检测[J]. 计算机工程与科学, 2010 , 32(3) : 124 -126 . DOI: 10.3969/j.issn.1007130X.2010.

Abstract

It is hard to detect the timefrequency properties of RF signals because of their characteristics of high frequency and transience. A novel method focusing on the RF signals detection based on the Stranform is presented in the paper. MATLAB results show that the Stransform is unique in that it provides frequencydependent resolution, which correctly identifies the timefrequency performance of the RF signals.

Key words： RF signal;S tranform;timefrequency analysis

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