sound field的例句大全

This essay, according to the Huygens Superposition the theorem makes a qualitative analysis of the distributing character of dipole sound field and mainly introduces the formation and function of the aircraft engine ground trial active noise reduction system which is designed by us.

本文根据惠更斯叠加原理，定性分析了偶极子声场分布的特点，简要介绍了我们研制的喷气飞机地面试车主动式降噪系统的组成及其功用。

Two Error Calculation Methods of Point Sound Source Sound Field

点声源声场两种声强计算方法误差分析

The software can provide stunning surround sound, heavy bass effect, create the perfect environment different from the sound field, gain the effect was very obvious.

该软件可以提供令人叹为观止的环绕音效、重低音效果，完美营造出不同环境的声场，增益效果非常明显。

A submerged buoy system for ocean vector sound field measurement is designed with the three-dimensional vector sensor as a core.

以三维矢量传感器为核心，构建海洋矢量声场观测潜标系统。

experimental research on the accuracy of sound power level radiated from a tool machine using sound field indicators

利用声场指数确定机床辐射声功率级测量精度的实验研究

The Invention of Ball Influence of acoustical baffle parameters of spheroidal sonar dome on bow on afterbody sound field

船舶球鼻艏导流罩声障板参数对艉部声场的影响

Calculation of the focused sound field characteristics of large circular aperture using oblate spheroidal coordinate system

椭球坐标系中大口径凹面声场特性的计算

The complex sound field distribution of the focused transducers was calculated by the coordinate transform method, and the acoustic power was measured.

该文应用坐标变换法对该聚焦换能器的复杂声场分布进行了数值计算，并测定了其声功率。

Since the early-1980s birth, near field acoustical holography ( NAH) has become a powerful tool of the reconstruction of three-dimensional space sound field and noise source separation and identification.

自从20世纪80年代近场声全息技术诞生以来，这项技术已逐渐成为重建三维空间声场和识别噪声源的有力工具之一。

Biological Effect of Sound Field Stimulation on Baddy Rice Seeds

水稻种子对声波刺激的应激效应的实验研究

Sound field radiated by cantilever thin square plate with artificial through crack based on FEM

裂纹悬臂方薄板的振动辐射声场

Computation of sound field in a reverberation room with simple harmonic wave method and the theoretical error of sound intensity measurement

室内声场简正波法的数值计算方法和混响场中声强测量的误差

Active modal control for sound field in a room Normal Mode

房间声场的简正方式有源控制

The research shows that the three-dimensional acoustic boundary clement model is an efficient and highly accurate method of sound field analysis of reactive mufflers.

研究结果表明，三维声学边界元模型是抗性结构消声器声场分析的有效方法并具有较高精度。

Furthermore, internal waves can also cause the sound field undulation and reduce the sonar efficiency.

内波还造成声场的起伏，降低了声呐的使用效能。

Different characteristics of sound field can be extracted by the CSD distribution in different cyclic frequencies, which may be mixed up in the frequency domain of the PSD distribution obtained by the ordinary partial coher-ence method, and not be shown clearly.

因此，与只能得到部分声场功率谱密度分布的传统偏相干方法相比，该方法可更清晰地了解循环平稳声场中各个声源的特性。

The Sound Field Pattern of Home Theater

家庭影院的声场模式

Sound field characteristic and echo wave feature in ultrasonic nondestructive test of electron beam weld

电子束焊缝超声无损检测声场特性及回波特征

According to the theory of wave acoustics and ray acoustics, train is regarded as a moving limited line sound source and the mathematics model of sound field distribution is set up around the elevated railway.

根据波动声学和几何声学原理，将列车看作一运动着的有限长线声源，建立了有声屏障时城市高架轨道交通沿线声场分布计算模型。

High sensitive smoke detector Sensitivity Analysis of Underwater Sound Field with Laser Remote Sensing by Direct Detection

高灵敏度感烟探测器直接光强检测方式分析激光遥测水下声场探测灵敏度