Holography acoustic的意思|示意

According to the principle of near-field acoustic holography (NAH), the system of data acquisition and analysis needed in holographic experiments have been constructed.

根据近场声全息(NAH)的原理，建立了全息实验所需要的采集、分析系统。

The distributed source boundary point method(DSBPM) based nearfield acoustic holography(NAH) is used for identifying and localizing noise sources of the roots vacuum pump.

采用基于分布源边界点法的近场声全息技术对运转状态下的罗茨真空泵进行了噪声源识别和定位研究。

Acoustic holography has attained a high lateral resolution but a poor axial resolution.

感音全息摄影技术已经取得了较高的横向分辨率，但轴向分辨率并不理想。

A new method based on interpolation using orthogonal spherical wave source was proposed to enhance the resolution of the nearfield acoustic holography image without adding measurement points.

为了在不增加测量点数的情况下提高近场声全息图像的空间分辨率，提出一种基于正交球面波插值的近场声全息图像分辨率增强方法。

Acoustic holography is an effective method to analysis noise fields.

声全息方法是分析噪声场的一种有效手段。

The study on the holographic reconstruction and prediction of a semi-free field is valuable for the practical applications of the acoustic holography technique.

半自由声场环境下的声源重建和声场预测研究对声全息技术走向实际应用具有非常重要的意义。