基于Hanning窗的傅里叶变换的火焰探测器算法  

A Flame Detector Algorithm Based on Hanning Window Fourier Transform

作　　者：王一博 尤志亚 Wang Yibo;You Zhiya(Shaanxi Transportation Electronic Engineering Technology Co.,Ltd.,Xi’an 710075,China)

机构地区：[1]陕西交通电子工程科技有限公司,西安710075

出　　处：《机电工程技术》2024年第12期222-225,共4页Mechanical & Electrical Engineering Technology

摘　　要：基于Hanning窗的傅里叶变换方法,提出一种应用于双波长红外火焰探测器的具体识别算法,同时进行了系统搭建及软件程序的设计验证。火焰探测器在检测过程中,环境复杂多变,数据不稳定,提取到的特征存在多样性和复杂性等问题,利用Hanning窗的傅里叶变换方法,提取了火焰红外辐射在不同波段的特性,并在频域中深入分析了火焰的特性,成功提取关键特征,有效提升了红外火焰探测的精确度和灵敏度。与传统方法相比,所提方法展现了更佳的抗干扰性和鲁棒性,显著降低了误报率,对于复杂场景和干扰源表现出稳定性。A specific recognition algorithm for dual wavelength infrared flame detectors based on the Hanning window Fourier transform method is proposed,and the system construction and software program design are carried out.During the detection process of flame detectors,the environment is complex and ever-changing,the data is unstable,and the extracted features have diversity and complexity issues.Through this method,the characteristic of flame infrared radiation in different frequency bands is utilized,and the key features are successfully extracted by in-depth analysis of flame characteristics in the frequency domain,the accuracy and sensitivity of infrared flame detection are effectively improved.Compared with traditional methods,the method proposed demonstrates better anti-interference and robustness,significantly reduces false alarm rates,and shows stability for complex scenes and interference sources.

关 键 词：火焰探测 傅里叶变换 HANNING窗 双波长 红外辐射 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]