acoustical holography是什么意思

用法例句

An experimental study on the distributed source boundary point method based nearfield acoustic holography;

基于分布源边界点法的近场声全息实验研究

Wavelet based acoustic holography method for moving sound source identification;

基于小波分析的声全息识别运动声源的方法

Application of data fusion to acoustic holography;

数据融合技术在声全息测量中的应用

According to the holography reconstruction formula educed from Kirchhoff integral formula, this paper introduces the principle of near-field acoustical holography(NAH)in noise identification and reconstructs the acoustic field by a special arithmetic of dimensional frequency domain in order to reduce the quantity of calculation and improve the efficiency of reconstruction.

通过由基尔霍夫边界条件推出的全息重建公式,介绍了近场声全息法进行噪声源识别的原理,并利用空间频域算法对声场进行重建,大大减少了重建过程的计算量,提高了全息重建的效率。