1) airborne sound quantification
声源定位法
2) Sound localization
声源定位
1.
According to the reports by Morimoto (1989),when regarding the influences of the sound localization of spatial percep- tion in a hall,the reverberation energy (T_(60)=0.
为证明空间声源定位的敏感性取决于音乐的结构特性,文中以样本A(Royal Pavane by Gibbon,τ_e=127ms)、样本B(Sinfonietta,Opus 48;Ⅳmovement;Allegro con brio by Arnold,τ_e=35ms)和样本S(Speech,female,τ_e=23ms)为音乐样本,根据Y。
2.
In contrast to existing sound localization techniques,this method takes the physics of wave propagation i.
利用球麦克风阵列的对称性进行三维空间的多声源定位,和传统的声源定位方法不一样,通过分析声波传播的物理特性,采用球谐函数声场分解的方法,研究和探讨了离散的球麦克风阵列求解多声源情况下球散射声场球谐系数的方法,同时采用球傅立叶变换的方法分析了多声源情况下声场的指向性因子的变化情况,并由该指向性因子的等高线图确定了三维空间中的各个声源方向。
3.
Starting from the data modeling in sound localization, the theoretical modal and its generalization are introduced which are applied in localization algorithms.
声源定位技术是高级音频信号处理技术之一。
3) sound source localization
声源定位
1.
3D sound source localization algorithm and its implementation based on microphone array;
基于麦克风阵列的三维声源定位算法及其实现
2.
A Study on Sound Source Localization Technology Based on Microphone Array;
基于传声器阵列的声源定位技术研究
3.
Get sound arrival time-delay estimation of the array element by the virtual instrument in sound source localization
声源定位中声音到达各阵元时延估计的虚拟仪器实现
4) acoustic localization
声源定位
1.
Three-dimensional acoustic localization algorithm based on coordinate conversion;
基于坐标系变换的三维声源定位算法
2.
Research of acoustic localization algorithm based on three-dimension acoustic signals;
基于立体声信号的声源定位算法研究
3.
Real-time space 3D acoustic localization based on Monte Carlo algorithm is presented.
构建了一个基于四个声音传感器的信号时延采集系统,根据采集系统得到的三个时间差和传感器的响应顺序,提出了一种基于蒙特卡罗法实时空间的三维声源定位算法。
5) Source localization
声源定位
1.
Source localization traversing convergence zones;
穿越深海会聚区的声源定位方法研究
2.
To solve the problem of closed-form solution of acoustic source localization based on microphone array,a closed-form OSLS(One-Step Least-Square) algorithm based on eigenvalue decomposition is proposed.
针对基于传声器阵列的声源定位闭式解问题,提出了一种基于特征值分解的闭式一步最小二乘定位算法,并通过计算机仿真比较了其与球形插值法及球形内插法的性能,表明球形插值法和一步最小二乘法具有等效的统计性能并且计算更为简便,且二者性能优于球形内插。
3.
Source localization by matched-field processing is a classical problem in underwater acoustics; many methods were presented in the past several decades.
匹配场声源定位是水声学研究中的经典问题,在过去的几十年中,出现了多种匹配场处理算法。
6) acoustic source localization
声源定位
1.
The article focuses on the impact of sensor deployment on precision of object observation,which is based on the experimental results of acoustic source localization and tracking using acoustic sensor array.
设计了面向目标跟踪的声学传感器网络,并进行了声源定位实验。
2.
This paper describes the microphone arrays generally and analyses the problem in the acoustic source localization.
对传声器阵列进行了总体概述,研究了基于传声器阵列的声源定位所面临的问题,分析和比较了几类主要的声源定位方法。
3.
Focus on this problem, the following work has been done: Main acoustic source localization methods based on microphone array have been summarized and a realization mode of room impulse response in room reverberation enviro.
基于传声器阵列的声源定位技术通过传声器阵列接收语音信号并进行处理,从而确定及跟踪声源位置,是语音信号处理领域的一个新研究热点,具有广泛的应用前景和实际意义。
补充资料：CT导向活检三角定位法
CT导向活检三角定位法
介入放射学技术。为了避开重要结构，于CT导向下行斜行间接穿刺的方法。在CT图像上测量病灶至皮肤的距离(a)，在皮肤上测量斜行穿刺点至病灶正上方的皮肤的距离(b)，根据勾股定理和三角函数定理计算斜行穿刺的进针角度(ｗ)和进针的深度(c)，施行准确而安全经皮活检的方法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条