空气声纳信号的高分辨实验与数据分析

On Better Processing of High Resolution Experimental Data of Air Acoustic Sonar System

完成了一种基于ＴｒａｎｓｐｕｔｅｒＴ－８００芯片的全数字式空气声纳试验系统，并用ＣＢＦ、ＭＵＳＩＣ、ＷＳＦ算法进行了实测数据分析对比研究，证明实验环境中ＭＵＳＩＣ算法、ＷＳＦ算法确有很好的方位分辨和估计性能。

This is one of only very few experimental studies in the open literature on air acoustiesoner. To our best knowledge, we are the first to analyze such test data with widely usedCBF algorithm and two famous high resolution algorithms: MUSIC and WSF.Test measurements of all acoustic sonar signals are analyzed with CBF, MUSIC andWSF and results are mied in Table 2. Comparison shows that WSF and MUSIC are betterthan CBF and, for our tests, WSF is a little better than MUSIC.The above-mentioned test data sampled from an air acoustic sonar was processed with asubsystem in the sonar, which incorporated a Transputer 800 chip. This subsystem includedan echelon air array shown in Fis. 1. Fig. 2 shows the layout of the measurement system Iand Fig. 3 shows the measurement environment'