1) transmitting source level
发射声源级
1.
Based on the verification that the sound wave transmitting attenuation law in matching material is the same as that in underwater,the article puts forward a measurement of the juncture array element transmitting source level under the condition of onshore laboratory.
提出了陆上实验室条件下对接阵阵元发射声源级的测量方法,通过陆上与水池对比试验得出,陆上测量与水池测量结果基本吻合,进一步验证了陆上测量方法的可行性。
2) acoustic emission source
声发射源
1.
In respect of defect of current evaluation method of injury degree of pressure container active fault,a comprehensive evaluation method of injury degree based on acoustic emission source using artificial neural network was proposed.
从现有的压力容器活性缺陷有害度评价方法及存在的问题出发 ,提出了基于人工神经网络技术的声发射源有害度综合评价方法 ,并应用此方法对压力容器活性缺陷有害度进行了综合评价。
3) the source mechanism of acoustic emission
声发射源机制
4) acoustic emission source location
声发射源定位
1.
On the basis of analyzing acoustic emission source location method and in combination with the structure of Francis turbine runner,this paper puts forward three methods for locating crack acoustic emission sources in complex structure including three-dimension time difference location,zone location,self-adaptive intelligent location.
声发射技术是一种动态的无损检测技术,在分析声发射源定位方法研究现状的基础上,结合混流式水轮机转轮提出了复杂结构中裂纹声发射源的3种定位方法,即三维时差定位、区域定位、自适应智能定位法,并给出了声发射源定位系统程序的实现方法。
5) transmitted sound
发射声[声]
6) secondary source
次级声源
1.
In this paper, the optimal arrangement of secondary sources and error sensors of the Adaptive Active Noise Control (AANC) system in free sound field is investigated.
详细讨论了自由声场自适应有源噪声控制（ＡＡＮＣ）中，初级源为无限大刚性障板上的圆面活塞辐射器，采用一个和二个点源做次级声源时，使ＡＡＮＣ系统获得最大降噪效果的次级声源和误差传感器（以下统称为执行元件）的布放问题，并利用遗传算法（ＧＡ）确定次级源和远场误差传感器的最优位置。
补充资料：导弹机动发射(见导弹发射方式)
导弹机动发射(见导弹发射方式)
maneuverable launching of missile
算薰;笙簌巍骂 able launching 式。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条