混响

hùn xiǎnɡ
  • reverberation;reverb
混响混响
  1. 本文引入了K分布和广义K分布对混响的统计特性进行描述。

    K-distribution and generalized K-distribution are presented to describe statistical characteristic of reverberation in this paper .

  2. 二维简正波PE耦合混响理论

    Two dimension normal mode-PE coupled reverberation theory

  3. 这个设备具有诸如混响之类的内置数码音效。

    The unit includes built-in digital effects like reverb .

  4. 提出了基于定点DSP的人工混响算法实时处理系统。

    A real-time process system of artificial reverberation based on Fixed-Point DSP is presented in this paper .

  5. 最初在设计中确定混响时间的方法是利用W·C·赛宾在本世纪初提出的计算公式。

    The original method to confirm reverberation time in designs is to use computational formula W . C. Sabin put forward in early century .

  6. 但是,现实的3D仿真非常昂贵,而且计算混响,阻塞和延时效果需要配置具有强大运算能力的系统。

    Unfortunately , realistic 3D sound simulations are expensive and demand a tremendous amount of computational power to calculate reverberation , occlusion , and obstruction effects .

  7. 一种变步长自适应格型IIR陷波器及其在混响抵消中的应用研究

    A Variable Step-Size Adaptive IIR Notch Filter and Its Application in Reverberation Canceling

  8. 国际标准化组织(ISO)即将公布其对无规入射散射系数的定义及其在混响场中的测量方法。

    ISO is to publish its standard on the definition of random-incidence scattering coefficient and measurement method in a reverberation room .

  9. 混响背景下基于MTI技术的目标检测

    Target detection in the presence of reverberation based on MTI technique

  10. 第一种方法首先分析了时频域上噪声和混响干扰的统计特性,然后采用基于统计特性的二维均值滤波和Wiener滤波方法抑制干扰。

    In the first method , it is to restrain noise using two-dimension mean filter and Wiener filter .

  11. COIL超扩段监测系统的研制混响室中悬挂扩散板和试件面积对吸声测量结果的影响

    Design of monitoring and measurement system for the supersonic diffuser of COIL DEPENDENCE OF SOUND ABSORPTION COEFFICENTS UPON THE AREA OF SUSPENDED DIFFUSER AND ACOUSTICAL MATERIAL

  12. 混响驼峰与ODN

    Reverberation hump and ODN

  13. 本文结合拖曳线列阵专题,通过对多个测量数据的比较,我们选定了主成份反演PrincipalComponentInverse&PCI算法,来检测混响域的目标。

    In this paper , the " Principal Component Inverse " ( PCI ) algorithm is selected to detect targets in reverberation environment by the comparison of a lot of data obtained from an active towed line array .

  14. 论文将Kirchhoff海底散射模型和混响网络模型相结合,实现了海底回波信号的仿真。

    A realization of the seafloor reverberation simulation based on the Kirchhoff approximation scattering model and the network model was presented .

  15. 评价厅堂音质的混响时间T60和计算公式是上世纪初W·C·赛宾教授(WCSabie)提出来的,在此以后,混响时间一直是室内声学中的一个最重要、最稳定的指标。

    Reverberation time T ( 60 ) and the calculation formula used to evaluate the hall timbre were advanced by professor W. C. Sabie last century .

  16. 本文研究了基于WignerVille分布(WVD)和Hough变换(HT)联合技术抗混响的方法。

    A new method for anti reverberation based on WVD HT ( Wigner Ville Distribution & Hough Transform ) is presented .

  17. 本文利用混响声场吸声系数α、立体角、平均自由程及壁面吸收声能等统计声学概念,用简单方法导出混响声场吸声系数α与统计能量分析(SEA)损耗因子η之间的关系。

    Relation between acoustical absorption coefficient α and loss factor η in reverberant field with statistical energy analysis ( SEA ) was derived using concise statistical acoustical concepts , such as acoustical absorption coefficient α, three-dimension angle , mean free path and surface absorption energy .

  18. 重点完成多波束海底混响的仿真,使各基元接收的仿真信号包络服从K分布,并采用物理意义明确的Jackson散射模型计算反向散射强度的贡献。

    Focus on the completion of multibeam seafloor reverberation simulation so that each channel received signal envelope obey K distribution , and use the physical meaning of specific Jackson scattering model to calculate the contribution of backscattering strength .

  19. 本文尝试将Duffing系统检测弱信号的原理和方法应用在水声信号检测中,即在强混响背景下检测微弱的目标回波信号。

    This paper attempts to use the system of Duffing ' sprinciples and methods that the application of detection the weak signal in the underwateracoustic signal detection .

  20. 该方法将ICA-R和收缩函数算法相结合,在噪声和混响环境中通过对两路带噪语音信号进行增强处理,以实现增强目标语音信号的目的。

    Combining ICA-R and shrinkage function , two channel noisy signals were processed to obtain the enhanced target signal .

  21. 分析了该检测器的性能,在非高斯混响中DE-SVM检测算法的检测性能优于匹配滤波检测器。

    In non-Gaussian reverberation , the performance of DE-SVM is better than matched filter detector .

  22. 通过对Lorenz信号和实际水声信号进行仿真,验证了对低信噪比条件下混响背景和水下环境噪声中微弱谐波信号检测的有效性。

    Simulation of the detection model by the Lorenz series and actual underwater acoustic signals validated the effect of weak signals detecting under the reverberation and noise underwater in the case of low signal noise ratio .

  23. 本文用混响室消声箱法对具有不同几何和物理参数配置的弹性粘弹性阻尼复合板传声损失(TL)进行了系统的实验测量。

    In this paper , the measurement of sound transmission loss ( TL ) is carried out with " reverberant chamber-receiving box approach " for elastic - viscoelastic laminated damping panels ( EVLDP ) with varying geometric and physical parameters .

  24. 研究结果表明:宽带CSS法估计精度高,方位估计均方误差达到宽带CRB;分辨门限低,抗混响能力强,是实现水下目标宽带高分辨方位估计的有效方法。

    The research results show that wide band CSS method possesses good performance due to being close to the Cramer-Rao Bound ( CRB ) of DOA estimation of wide band sources , the low resolution threshold and the anti reverberation ability .

  25. 文中以一安装有理想指向性扬声器的矩形房间为例,计算房间的混响时间和各位置处的RASTI。

    Loudspeaker with ideal directivity characteristics was considered . Reverberation time and RASTI at different positions in time of a room has a limitation value .

  26. 通过理论和实测对用混响时间T10或T20估计衰减曲线早期的衰减速率所产生的误差进行了分析。

    The errors are analyzed in theory and with the measurements when using T_ 10 or T_ 20 to evaluate the decay rate of the initial of the energy decay curve .

  27. 介绍了采用AD公司的SHARCADSP-21261组成的数字音频信号处理系统及系统的软硬件设计,并对音频信号的混响处理算法进行了论述。

    A digital audio signal processing system which uses SHARC ADSP-21261 produced by ADI as core was designed . The software and hardware of this system were introduced , and the arithmetic about reverb processing for audio signal was discussed .

  28. 日本东京新国家歌剧院(NNT歌剧院)容座1810,容积14500m3,(大幕开启时的)满场混响时间1.5s。

    The New National Theatre opera house ( NNT opera house ) seats 1810 , its volume is 14500 m3 , and its reverberation time , with audience , is 1.5 s ( proscenium curtain open ) .

  29. 文章重点介绍在机械通风和不影响建筑隔声实验室原有的实验功能与结构的前提下如何对建筑隔声实验室进行改造以获得背景噪声低于15dB(A)的混响场实验环境。

    This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A ) when the ventilation system is working .

  30. 一个高声强试验用的混响室的设计和建造

    Design and construction of a reverberation chamber for high-intensity acoustic testing