1) cylindrial harmonics
柱谱函数
2) cylindrical function
柱面函数
1.
The orthogonal direct sum decomposition of cylindrical function space in L~2(E_(n+1)~+,dxdy/y~(n+1));
关于L~2(E_(n+1)~+,dxdy/y~(n+1))中的柱面函数空间的正交直和分解
3) Cylindrical Functions
柱函数
1.
A Concise Deduction for the Asymptotic Formulas of Cylindrical Functions;
柱函数渐近公式的一个简明推求
4) cylindrical function
圆柱函数
5) spectrum function
谱函数
1.
The theory that time domain energy spectrum function is same as frequency domain energy spectrum function is applied to search for the similar time subsequence the fast, in order to analyze the measuring and control system s regular pattern.
在分析测控系统实时数据库数据量和结构的基础上,提出了两次读取(粗读,细读)实时数据库的方法,提高了实时数据库在线分析的速度,并给出了程序流程图;采用时域能量与频域能量谱函数相同的理论在线快速查找相似的时间子序列,用以分析测控系统的规律性。
2.
The exact expression of spectrum function of Laplician on special triangle is derived by theta function identities and Mellin transformation.
由theta函数的恒等式和Mellin变换,得到了特殊三角形上Laplican算子谱函数的严格表达式。
3.
The wave envelopes of the continuous and discrete spectrum of the barotropic spherical Rossby wave are calculated using the method of spectrum function expanding.
利用按谱函数展开的方法,计算和分析了正压球面Rossby波的连续谱和离散谱的波包结构、演变和传播特征,发现无论是结构、演变还是传播,连续谱波包和离散谱波包都很不相同。
6) self-spectral function
自谱函数
1.
Based on an ARMA(auto-regression moving average) model for turbine rotor vibration-fault series,the authors have calculated the self-spectral functional values through the use of ARMA model parameters and established a self-spectral function atlas for turbine rotor vibration-fault time series.
根据Bently实验台所采集的碰摩、松动、不对中、不平衡4种典型的汽轮机转子振动故障水平方向与垂直方向的数据所建立的汽轮机转子振动故障序列自回归滑移平均(ARMA)模型,由ARMA模型参数计算自谱函数值,建立汽轮机转子振动故障时间序列的自谱函数图谱。
2.
According to the characteristics of turbine rotor vibration, faults nonlinear characteristics are studied by the methods of fractal box counting dimension, ARMA self-spectral function, Euclidean space dual hidden layers neural network of ARMA model and wavelet packet analysis based on the four typical vibration faults data of turbine rotor collected from the Bently experiment set.
针对汽轮机转子振动故障的特点,根据Bently实验台所采集的4种典型汽轮机转子振动故障数据,运用分形盒维数、ARMA自谱函数、ARMA模型的二维双隐层神经网络和小波包分析方法研究了振动故障的非线性特征,进行故障诊断。
补充资料：抛物柱面
抛物柱面
parabolic cylinder
抛物柱面[钾画比次灯h日er;”即‘o二。，ee姗益明“几“-“月p) 一个二次抛物曲面(见二次曲面(surface ofthesecond order))，其准线为一抛物线(p哪比h).空间中抛物柱面的典范方程是 夕2二2尸x
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