信号检测算法的迭代式串接增强策略

计算机科学 ›› 2014, Vol. 41 ›› Issue (Z6): 324-325.

信号检测算法的迭代式串接增强策略

陆成刚

浙江工业大学理学院杭州310023

出版日期:2018-11-14 发布日期:2018-11-14
基金资助:
本文受浙江省重点科技专项重大工业项目(2013C01045),浙江省教育厅基金项目(Y201121787)资助

Tandem Policy Based on Signal Detection Algorithms

LU Cheng-gang

Online:2018-11-14 Published:2018-11-14

摘要/Abstract

摘要： 提升信号检测算法的精度和可靠性往往通过算法内部的增强设计或外接一个第三方的预处理和后处理模块来实现。本文通过对检测率和虚警比定量关系的研究,提出了一种增强信号检测算法精度和可靠性的迭代式串接策略。该策略可以在已知算法上叠加一个前处理或后处理模块以提升检测精度和稳定性,并以心电复波信号检测和频移键控信号检测为例说明了这种策略的应用。本文的主要亮点在于:(1)通过考察检测率和虚警比之间的定量关系,揭示了检测率和虚警比之间隐含的间接矛盾(定律1)；(2)提出克服该矛盾的充分条件(定律2),即本文提出的增强算法执行能力的叠加策略；(3)将该策略用于指导信号检测算法的设计并配有实证。

关键词: 检测率,虚警比,心电复波检测,频移键控音检测中图法分类号TN911.72文献标识码A

Abstract: Through enhanced designing or adding 3^rdparty module,the accuracy rate and reliability rate of signal detection can be improved．One algorithms concatenation theory for enhancing signal detection is provided within research of the quantitative relation between positive alarming rate(PAR) and false alarming ratio(FAR)．The policy can guide developers to design post-processing or pre-processing algorithm which is connected with already-known algorithms in tandem．Two usage samples on QRS complex detection in ECG digital processing and Tone Detection in FSK are discussed with application of this policy．Three highlights in this research:1) Consideration of the quantitative relation between PAR and FAR disclosing the indirect contradictory hidden in PAR and FAR(Theorem 1)；2) Putting forward one sufficient condition to solve the contradictory(Theorem 2) --the theory of enhancing signal detection；3) Two application cases being attached to verify how to apply this theory.

Key words: Positive alarming rate(PAR),False alarming ratio(FAR),QRS complex detection,FSK tone detection

陆成刚. 信号检测算法的迭代式串接增强策略[J]. 计算机科学, 2014, 41(Z6): 324-325. https://doi.org/

LU Cheng-gang. Tandem Policy Based on Signal Detection Algorithms[J]. Computer Science, 2014, 41(Z6): 324-325. https://doi.org/

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