【摘要】 对国际次声监测技术的现状进行了简要综述,分析了次声监测技术面临的困难,介绍了次声传声器的研究现状和国际监测系统次声台站的建设情况,对次声数据处理技术进行了简要的综述。基于实测数据和国际数据中心的次声数据,对次声信号的降噪问题,处理分析技术、定向问题进行了初步探讨。更多还原

【Abstract】 A brief review is given for the international infrasonic monitoring technology for the Comprehensive Nuclear—Test—Ban Treaty.The main difficulties of infrasonic monitoring are analyzed.The author introduces the developments of the novel infrasound sensors and the infrasonic stations of the international monitoring system.The main algorithms of the infrasonic signal processing are reviewed followed by a description of the developments of the software of infrasound signal processing.Based on the data from the practical acquisitions and from the international data centre,the applications and the preliminary discuses are made for the infrasonic denoise problems、data processing and the azimuths estimate problems in the end.更多还原