| 1. | Smoke effect . acoustic controlled transformation , zoom rotation
图象可缩放和旋转。 |
| 2. | Acts acoustic control and telemetry system
声控制与遥测系统 |
| 3. | Acis acoustic control iduction system
声控进气系统 |
| 4. | The active structural acoustic control of flexible mechanism is discussed
对弹性机构声辐射主动控制方法进行了讨论。 |
| 5. | An acceptable general noise level is achieved by careful acoustic control to provide aural privacy and mask intrusive noise
一个可以接受的常规噪音水平可以通过精心的声学控制来实现，从而降低噪音并提供一个听觉方面的私人空间。 |
| 6. | In order to reduce sound radiation of a structure , the method of active structural acoustic control ( asac ) was developed in the 1980s
自八十年代后期以来，为了更为有效地降低结构声辐射，人们提出了主动结构声学控制( asac ) 。 |
| 7. | The idea of integrated structure and control design is introduced into the structural acoustic control , and two methodologies are discussed on the integrated structure and control design based on noise attenuation
在机构声辐射控制中引入了结构?控制一体化设计思想，分别采用两种方法对基于噪声控制的机构结构参数和控制系统集成设计问题探讨。 |
| 8. | It is goes in for research , development and production of products including tweeters , drivers , acoustic control lamps , guitar acoustics , sound boxes , amplifiers for auto , megaphones and crossovers etc . which are widely used in acoustic equipments such as special audio , car audio and beach audio
公司专业从事研制开发生产高音扬声器驱动头声控灯系列吉它音响音箱汽车功放喊话器分频器等产品。产品广泛用于专业音响汽车音响沙滩音响等音响设备产品全部出口至亚非欧美市场。 |
| 9. | 3 . under the conditions of sound velocity perturbation and the unmodel dynamic , active structure acoustic control system with robust h _ controller is simulated in this thesis . the performance of the robust h _ controller is compared with standard controller , the results show that the robust h _ controller possess famous robust performance
3 .对基于鲁棒h _控制理论的结构振动声辐射主动控制系统,在考虑流体声速摄动和未建模动态的影响下进行了仿真研究,同标称控制器的性能对比表明,鲁棒h _控制器具有令人满意的的稳定鲁棒和性能鲁棒性。 |
| 10. | Active structure acoustic control ( asac ) is the leading field in the area of vibration and noise control . based on the most current academic and experiment results of domestic and overseas in asac , modern robust control theory ( h _ control theory ) and modern hydrokinetics theory 、 solid dynamics theory are used to build the control model of asac in this thesis . and the h _ control experimental system is build based on modern signal processing technology and compter technology
本文在国内外最新的asac理论研究与实验成果的基础上,首次将现代鲁棒控制理论( h _控制理论)与现代流体动力学、固体动力学理论相结合,建立了结构振动声辐射主动控制模型,提出了设计鲁棒h _控制器的新方法,并采用现代信号处理技术、计算机技术建立了结构振动声辐射鲁棒h _控制实验装置,进行了实验研究。 |
