1) random spectrum load
随机谱载
2) random load spectrum
随机载荷谱
1.
Research of intensified test on fatigue property of automobile driving axle based on random load spectrum;
基于随机载荷谱的汽车驱动桥疲劳性能强化试验研究
3) broad band random loading spectrum
宽带随机载荷谱
1.
Calculation of structural fatigue life under broad band random loading spectrum;
宽带随机载荷谱下结构疲劳寿命的计算
2.
Based on Dirlik′s probability density function of rain-flow stress cycle range,considered the S—N curve in the long life range,an analytical solution of calculating structural fatigue life under broad band random loading spectrum is established by using the incomplete Г function,in which a fast calculating structural fatigue life method is given by using the frequency domain analytical way.
以D irlik方法的雨流循环计数应力范围概率密度函数为依据,考虑长寿命区的S—N曲线,利用不完全Г函数建立了一种宽带随机载荷谱下结构疲劳寿命计算的解析解法,为用频域法计算结构在宽带随机载荷谱下疲劳寿命提供了一种快捷方法。
4) random Fourier spectrum
随机Fourier谱
1.
Research on the random Fourier spectrum of observational wind;
实测风场的随机Fourier谱研究
2.
It is investigated whether random simulated wind field can reflect the random characteristics of the given wind environment on the basis of wind field simulation algorithm of random Fourier spectrum.
在随机Fourier谱风场仿真算法的基础上,进一步考察随机仿真风速场能否体现给定风环境的随机特性。
5) random spectrum
随机谱
1.
Focusing on properties in random spectrum structure complexity and random linkage sequence between load segments,three-level distributed control mode and adjusting/controlling policy adopted for the aircraft fatigue test on rear-body in combination with tails are discussed.
针对随机载荷谱结构复杂、谱段载荷之间连接具有随机性的特点,介绍了某型飞机后机身-尾翼联合体结构疲劳试验中采用的三级分布式控制方式与调试加载控制策略、按照关键通道载荷变化量配置加载时间的方法,解决了随机谱疲劳试验中控制参数易变、加载时间不易确定、加载协调性不易实现等问题,提高了随机谱试验的加载速度、试验精度和加载协调性。
6) stochastic Fourier spectrum
随机Fourier谱
1.
Then, in order to apply it in the wind engineering, the idea of the stochastic Fourier spectrum is used to disclose the physical essence of the randomness of the wind field.
为 了实现其在风工程中的应用,从随机Fourier谱的思想出发,阐述了随机风场具有随机性的物理本质,给出 了两个基本随机变量-地面粗糙度z0和10 m高平均风速U10服从的概率密度函数。
补充资料：平稳随机过程的谱函数
平稳随机过程的谱函数
'spectral function of a stationary stochastic process
平稳随机过程的谱函数【耳姆ct面云毗痴n ofastati..叮stod.astic脚优ess;cne灯P呱”曲中yRK职，cTa””0-H，Horo““扭吐“oro npo叭eeeal，齐次随机场的谱函数(spect阁五川ction of a holr旧罗neous mndom field)，谱分布函数(sPeetral distribution fimction)，炸维空间中的 频率又或波动向量又二(又，，…，又。)的函数，分别出现于宽平稳随机过程(stocllastic process)或n维空间中宽齐次随机场(random field)的协方差函数的谱分解中(见随机函数的谱分解(speet阁decom-posi加n ofarandomfi』netion)).平稳随机过程的谱函数族与又的所有有界单调非减函数一致，而齐次随机场的谱函数族是n个变量又、，…，又。的函数族，它与n维概率分布函数仅相差一非负常数乘子. A.M.只r月oM撰播一民译
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