sound particle velocity 中文意思是什麼
sound particle velocity
解釋
聲波中質點速度-
Upbuild the signal model for ship noise, deduce the relationship between sound pressure and particle velocity in plane wave
建立本艦噪聲的信號模型，推導了平面波聲場聲壓和振速的相關性。 -
Compared with the pressure hydrophone, vector transducer can provide both the information about pressure ( scalar quantity ) and particle velocity ( vector quantity ) of the sound field, which offers more possibilities for signal processing. so vector transducer and its signal processing have attracted the attention of researchers both native and foreign. in this thesis, a method of correlation equations for pressure gradient transducer is presented, and the estimation of multi - signal parameters with single vector transducer is given
與傳統的聲壓水聽器相比，矢量水聽器既能獲得聲場中的聲壓這一標量信息，又能獲得聲場中質點振速這一矢量信息，這為其信號處理帶來更大的空間，因此矢量水聽器及其相應的聯合信息處理技術日益成為國內外科技工作者們研究的熱點。 -
3. deduce the relationship between sound pressure and particle velocity in plane wave
對平面波聲場中的聲壓和質點振速之間的相關方程進行了推導。 -
The coherence analysis of the sound field using prssure and particle velocity combined processing was discussed. a new kind of combined sensor was used to gather the information of the sound field. the main idea of this paper is to seperate ambient noise field ， and the characteristics of it can be further studied. the coherence of a point source sound field was also analyzed to verify the validity of the approach
聲場聲壓與振速的相干性是聲壓、振速信息聯合處理的重要物理基礎之一，本文對其進行了初步的分析.在新型組合傳感器湖試的基礎上，把環境噪聲場分解為不相干的各向同性分量和相干的各向異性分量，初步分析環境噪聲場的構成；同時對點源聲場的相干性也進行了驗證性的分析
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