1) structured noise
结构性噪声
1.
The fMRI noise is classified into structured and unstructured noise by their temporal characteristics,and their impacts to efficiency of statistical tests are discussed separately.
该方法根据噪声时域特性将其分为结构性噪声和非结构性噪声两类,它们对统计检验功效造成的影响在文中分别进行了讨论。
2) structural noise
结构噪声
1.
Research on FEM to forecast structural noise of basement;
预报基座结构噪声的有限元方法研究
2.
To enhance the signal to noise ratio (SNR) of fundamental ultrasonic echo signals for ultrasonic nondestructive testing (UNDT) and ultrasonic nondestructive evaluation (UNDE), an improved technique to suppress structural noises of ultrasonic signals was presented.
该技术在研究材料内部散射体引起的结构噪声产生机理,以及分析传统裂谱分析(SSP)算法局限性的基础上,利用小波变换方法将原始超声检测信号分解到小波空间,并通过径向基函数(RBF)神经网络所构成的信噪分离器对信号和噪声进行识别、分离来消除噪声,得到高信噪比的超声回波信号。
3.
The research of structural noise control is an important aspect of noise and vibration control domains.
内燃机结构噪声控制的研究是振动与噪声控制领域的一个重要的研究方向。
3) structure radiant noise
结构噪声
1.
Mathematical simulation of rotary machine structure radiant noise;
旋转机械结构噪声的数学模拟
2.
Research on Structure Radiant Noise of Rotary Machines and the Mechanism to Control It;
旋转机械结构噪声及其控制机理的研究
4) structure-borne sound
结构噪声
1.
In order to control the ship structure-borne sound to reach the purpose of reducing vibration and noise,it is necessary to confirm the position of vibration and the transmitting way of vibration,analyze functions of each machine in the vibration system.
为了更好地对船舶结构噪声加以控制 ,达到减振降噪的目的 ,就必须确定振源位置、振动的传播途径 ,弄清个别机械在构成共同振动中所起地作用。
2.
In the view of structure-borne sound,the wave propagation and power flow characteristics were investigated for multiple damaged beams loaded by point force.
基于结构噪声的观点研究了在集中力作用下多点损伤梁的波传播与振动功率流特性。
3.
Under the excitation of harmonic force the vibrational power flow characteristics of plate with a surface crack are investigated from the view of structure-borne sound.
从结构噪声的观点研究了在简谐力作用下含有表面裂纹板的振动功率流特性。
5) Structure noise
结构噪声
1.
Acoustic similarity is the base of scaled model tests of underwater structure noise.
声学相似性是水下结构噪声模型试验的基础。
6) structure-borne noise
结构噪声
1.
Analysis and Control on Structure-borne Noise Radiated by Large Power Machines;
大型动力机械结构噪声分析与治理
2.
Based on frequency spectrum of each point, amplitude spectrum of structure-borne noise and testing results of air-borne noise, the authors analyze the vibration characters and latent faults of double-ring gear reducer, coming to the value and the cause of the noise, providing theoretical basis f.
以中心输入式双环减速器为对象,介绍了减速器基本结构及进行结构噪声和空气噪声测试的设备、测点及测试方法。
3.
To the high-speed ships the structure-borne noise became a serious matter for their flexible rigidity and the high- frequency excitation.
与常规船相比,高速船船体刚度较弱,而激励的幅值大、频率高,因而结构振动与结构噪声的控制更为突出。
补充资料:连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt,n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
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