acoustical signal meaning in English

声信号
声音信号
音响信号
音信号

Time - frequency analyze acoustical signals of pests in stored grain by matlab
软件实现储粮害虫声信号的时频分析
An survey of matched - field processing in acoustical signal processing
水声信号处理中匹配场处理技术研究的现状和展望
Reeenly , with the development of underwater acoustic technology , matched field processing tecboques have been widely used in source localization and become one of the most boortan methods of acoustical signal processing
近年来，随着水声技术的不断发展，匹配场处理技术在声源定位中得到了广泛应用，已经成为水声信号处理的重要手段之一。