声学参量阵,parametric acoustic array
1)parametric acoustic array声学参量阵
1.Based on the theory ofparametric acoustic array,one 3×3 nine-element rectangular transducer array and a test system were designed.根据声学参量阵原理,设计了一个3×3的九元矩形换能器阵及其测试系统,并在空气进行验证性实验;系统包括正弦信号产生电路、信号控制电路、功率放大电路以及回波信号接收电路等,辅以LabVIEW平台,实现正弦信号和脉冲控制信号的产生、发射信号时间长度控制以及功率放大,并最终驱动换能器阵;实验表明,当有85kHz和90kHz的正弦信号产生时,系统各部分均能正常工作,能够听到天花板处有声响,且回波信号中含有5kHz的频率成分,即证明换能器阵及其系统的设计均是可行的。
2.Based on the operation principle ofparametric acoustic array,a test system consists of hardware and software system is designed in this paper.基于声学参量阵的工作原理,设计一个由软硬件组成的测试系统,其中硬件系统由换能器发射阵、超声波发射电路和回波接收电路等构成;软件系统以LabVIEW作为开发工具,通过利用数据采集卡,实现了输入信号的产生、波形显示、参数控制、数据采集存储等多种功能。
2)Parametric array声参量阵
3)parametric sonar参量阵声纳
4)acoustic parameters声学参量
1.A study onacoustic parameters measurement and evaluation with a specified odeum;音乐厅声学参量测试与评价研究
英文短句/例句
1.Design of Parametric Acoustic Transducer Array and Test System声学参量换能器阵及其测试系统设计
2.The acoustic nonlinearity parameter is an important parameter in nonlinear acoustics.非线性声参量是非线性声学的一个重要参量。
3.Measurement of Optical Properties of Biological Tissue Based on Scanning Photoacoustic Technology利用扫描光声技术测量组织光学参数
4.Study on Measurement of Ultrasonic Acoustic Quantity in Tissue Mimicking Material超声仿人体组织材料声学参数测量研究
5.Detection of Quality of Foundations Piles by Integral Assessment with Ultrasonic Acoustic Parameters应用超声波声学参数综合判别法检测基桩质量
6.Sound velocity and acoustic nonlinearity parameter B/A in medium composed by certain components不同元系媒质的声速与非线性声参量
7.China’s Participation in International Institutions and the Reputation Concerns:A Response to Chen Hanxi’s Critics中国参与国际制度的声誉考量——对陈寒溪之学术批评的回应
8.The co-efficiency of ultrasound velocity and B/A parameters in organic liquid: a study;有机液体非线性声参量及声速系数量级研究
9.bottom side-scan sonar with a parametric profilograph装有参量剖面测量仪的侧扫海底声纳
10.side-scan surface sonar with a parametric profilograph装有参量剖面测量仪的侧扫地表声纳
11.AIM:To investigate the correlation of the parameters in calcaneus quantitative ultrasound measurement with the bone mineral density and bone histomorphometry.目的:分析跟骨定量超声骨质测量中各参数与骨密度及形态计量学指标的相关性。
12.CAE Analysis and Structure-acoustic Coupling Analysis of Acoustic Parameters of Car Interior Radical Sound Field车内辐射声场声学参数CAE计算与声振耦合分析
13.Some of the physical parameters for evaluating auditorium sound quality, which are always used by room acoustics specialists, are correlative.当代室内声学专家经常选用的评价厅堂音质的物理参量,其间有几个量是相关的。
14.STUDY OF THE ACOUSTIC NONLINEARITY PARAMETERS IN HIGH ATTENUATION BIOLOGICAL MEDIA高声衰减生物媒质非线性声参量的研究
15.The Measurement System of Acoustic Output for the Medical Ultrasonic Diagnostic Equipment;医用超声诊断设备声输出参数测量系统
16.Research on Directivity of Ultrasonic Emitter for Parametric Array Loudspeaker System参量阵扬声器系统的超声发射阵指向性研究
17.Study and Design for Parametric Loudspeaker System Based on DSP;基于DSP的参量扬声器系统研究与设计
18.Cross Esprit Methods Estimating The Parameters of Closesinusoids in Colored Noise;色噪声背景下正弦参量估计的互ESPRIT法
相关短句/例句
Parametric array声参量阵
3)parametric sonar参量阵声纳
4)acoustic parameters声学参量
1.A study onacoustic parameters measurement and evaluation with a specified odeum;音乐厅声学参量测试与评价研究
5)parametric array loudspeaker参量阵扬声器
1.Based on its high directivity,parametric array loudspeaker can be widely applied in many areas, and a good market prospect is expected.参量阵扬声器是一种新型的强指向性扬声器,其原理是利用超声载波在空气介质中传播时的非线性效应生成音频信号。
2.In theparametric array loudspeaker system, a number of piezoelectric ceramic ultrasonic transducers are used to make up of transducer emitter, and the number and location of transducer unit can change the directivity of the emitter.在参量阵扬声器系统中,需采用若干个压电陶瓷超声换能器单元组成换能器发射阵,换能器单元的数目和排列位置会对发射阵的指向性产生影响。
6)room acoustical parameters室内声学参量
延伸阅读
参量阵见水声学、非线性声学。
