基于数字FIR滤波器的消防车噪声滤波方法研究

2022 International Conference on Innovations and Development of Information Technologies and Robotics (IDITR) Pub Date : 2022-05-01 DOI:10.1109/IDITR54676.2022.9796478

CanCui, ZengLi, Yuntian Bai

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引用次数: 0

摘要

针对消防和应急救援过程中消防车噪声对消防通信的干扰，提取了各种噪声的频率范围和主要干扰频率，通过频谱分析研究了消防车声、消防车声和消防车泵声的噪声特性。通过设计数字FIR滤波器来降低消防车产生的各种噪声，结果表明，数字FIR滤波方法可以有效地滤除噪声的主要干扰频率，提高通信质量。

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Research on Noise Filtering Method of Fire Truck Based on Digital FIR Filter

Aiming at the interference of fire truck noise to fire fighting communication during fire fighting and emergency rescue, extracted the frequency range and main interference frequency of various noises, the noise characteristics of fire truck sound, fire truck sound and fire truck pump sound were studied by spectrum analysis. By designing digital FIR filters to reduce various noises generated by fire engines, the results show that the digital FIR filtering method can effectively filter the main interference frequencies of the noise and improve the communication quality.

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来源期刊

2022 International Conference on Innovations and Development of Information Technologies and Robotics (IDITR)

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