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- It is important in ASAC system based on acoustic radiation modes to obtain adjoint coefficient of the radiation modes. 基于声辐射模态理论进行ASAC控制系统中的一个重要内容就是获得声辐射模态伴随系数。
- It is important in ASAC based on acoustic radiation modes to obtain adjoint coefficients of the radiation modes. 声辐射模态伴随系数的获取是基于声辐射模态理论进行 ASAC控制中的重要环节。
- A new piezoelectric sensor design for a clamped-clamped plate is presented to measure its amplitudes of the first three radiation modes. 以固定支撑板为例,提出一种阵列式压电式传感器的设计方法测量前三阶声辐射模态幅值。
- The radiation mode image and total power are obtained by hot test, which is based on precisely calibrating of the measurement system. 在准确标定测量系统的基础上进行了热测实验,得到了辐射模式图和辐射总功率。
- Based on the acoustic radiation mode analysis, the transfer matrix relating the pressure at every field point to normal component of surface velocity is formed. 摘要基于声辐射模态分析，建立了外部场压和结构表面振动速度之间关系的传递矩阵。
- People are interested in the study of ASAC system based on the radiation modes of radiation structure in recent years, and the system can reduce sound radiation power by controlling radiation modes. 其中以声辐射模态为基础的ASAC系统是近年来的研究热点。 这种方法是通过声辐射模态的抑制来使结构的辐射声功率降低。
- A theoretical method to solve acoustical radiation modes and acoustical radiation efficiency of complex structure by a boundary element method and acoustical radiation theory is posed in this paper. 提出一种用边界元方法与声辐射理论求解复杂结构的声辐射模态与声辐射效率的理论方法。
- In the active structural acoustic control based on radiation modes,the cancellation of the dominant radiation modes and determination of the arrangement of secondary forces are of virtual important. 在基于声辐射模态理论的结构声有源控制中,主导辐射模态的确定及抵消策略是至关重要的,它直接决定次级力源的优化布放及有源控制的效果。
- Radiation Modes of Multilayer Dielectric Waveguides 多层平面介质波导辐射模
- acoustical energy radiation modes 声能量辐射模态
- Improvement of Radiation Mode Method 对声辐射模态法的改进
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- The modes of procedure are various and many. 手续繁琐复杂，不一而足。
- A Research on Active Sturctural Acoustic Control by Radiation Modes 通过声辐射模态研究结构噪声的有源控制
- My letter will convey some idea of my mode of life. 我的信将使你了解到一些我的生活方式。
- Radiation reached unheard-of levels. 辐射作用已达到前所未有的程度。
- Analysis of Acoustic Radiation Modes by Far Field Method 基于远场方法的结构声辐射模态研究
- Determination of acoustic power on acoustic radiation modes 基于声辐射模态确定声功率
- The spacecraft was in its recovery mode. 这艘飞船处于返回状态。
- The earth's atmosphere filters out much of the sun's radiation. 地球大气层可以滤掉太阳的大部分射线。
