The receiving apparatus comprises a key, a flash lamp and an acoustic horn. 接收装置包括按键、闪光灯、喇叭。
The output part of the electronic circuit controls a main electric power source, an acoustic horn loop and a brake system. 电子线路输出部分控制车辆的用电总电源、喇叭回路及刹车系统。
The diaphragm vibrates, thus setting the air around it in motion. STUDY ON ACOUSTIC CHARACTERISTIC OF HELICOID ELECTRIC HORN INFLUENCED BY THE HORN FILM VIBRATION 膜片振动,这使得周围的空气也动荡起来。蜗牛式电喇叭膜片振动对声特性的影响研究
Study on acoustic characteristic of helicoid electric horn influenced by the horn film vibration 蜗牛式电喇叭膜片振动对声特性的影响研究
The large cross-section acoustic horn can transmit more power and higher intensity sound, therefore research on this kind of acoustic horn becomes more and more emergent. 大截面变幅杆能够传输更大功率更高声强的振动能量,因此对这类变幅杆的研究成为迫切需要。
Test and Analysis on Acoustic Performance of Railway Locomotive Air Horn 铁道机车风笛声学性能试验研究
The test shows that the obtained results with finite element analysis software are more approximate to the observed values compared with ones with the traditional method, so designing large cross-section acoustic horn with ANSYS software can effectively reduce resonant parameter design error. 试验表明使用有限元软件分析的结果比传统方法得到的结果更接近测量值,因此利用ANSYS软件来设计大截面变幅杆可有效减小谐振参数设计误差。
Acoustic horn is a key component in power ultrasonic equipment and plays a role in improving sound intensity and matching impedance. 超声变幅杆是功率超声设备中的关键部件,它起着增大声强和阻抗匹配的作用。
This software not only is suitable to the design of general diameter horn, but also can designs quickly and accurately large cross-section acoustic horn. 本软件不仅适用一般直径变幅杆的设计,也达到了快速准确设计大截面超声变幅杆的目的。
We develop a special design and analysis software of horn in order to provide convenience for the people who design acoustic horn. 从方便变幅杆设计人员的角度出发我们开发出了一款变幅杆专用设计与分析软件。
Entity modeling, recognition of vibration model, computation of amplitude magnification factor and wave node position and so on are solved in parameterization module during the course of large cross-section acoustic horn. 其中参数化模块解决了大截面变幅杆设计和分析过程中遇到的实体建模、振型识别、振幅比与波节点位置计算等诸多问题。
The analytic results indicate that many performance parameters of large cross-section acoustic horn as well as node position and so on have very wide differences compared with deduced results according to traditional design theory. 分析结果表明大截面变幅杆的许多性能参数,还有波节点位置等与传统的一维设计理论推导的结果存在很大差别。
Considering difficult power situation of acoustic emission transducer, the design of horn structure was proposed to use to amplify acoustic emission energy. 由于声波发射换能器功率有限,提出了使用变幅杆放大声波发射能量的结构设计。