spectral order

The spectral function P(ω) of the spin pair correlation function in a coupled quadrupole system are evaluated using the pade approximation starting from the exact derivation of frequency second and fourth order moments at high temperature limit.

精确计算出四级耦合系统中高温极限情况的二阶、四阶级矩，在Pade近似下获得自旋对关联函数的谱函数P（ω）。

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This method, based on the theoretical and numerical analysis by the RCW method, adopts the spectral distributing of the zero order diffraction efficiency to judge the gratings profile.

在基于RCW方法数值拟合与计算的理论研究及分析的基础上，采用根据0级光谱衍射效率分布的办法来检测光栅掩模的槽形；

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In the identification of MPSK signals, the features extracted from the improved higher order spectral could obtain better noise immunity and achievability.

在MPSK信号的类内识别中，通过改进的高阶谱提取特征进行识别，具有更好的抗噪性和可实现性。

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On the spectral radius of bicyclic graphs of order n

n阶双圈图的邻接谱半径

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In order to investigate the mechanism of arc light sensing for welding behavior accurately, systematic spectral analysis of GMA and GTA was made.

使用自行建立的计算机化光谱分析系统，对实际焊接条件下的电弧进行了整体和局部的分析。

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Then get the reason of why spectral clustering algorithms were sensitive to the input order of data set.

由此给出了导致谱聚类算法对数据输入顺序敏感的原因。

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Post processing method is put forward in order to removal serration of spectral curve after calibration.

提出了反射率反演后波谱曲线上存在的锯齿状现象的消除方法；

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The spectrally noncritical phase-matching SHG in the pump depletion regime is researched. The influence of reconversion and third-order nonlinearity on the conversion efficiency, as well as on pulse shape and spectral distribution is analyzed theoretically.

研究了中、高功率密度泵浦下的折返点匹配宽带倍频特性，分析了相位失配引起的逆转换、三阶非线性效应对转换效率、脉冲形状和光谱分布的影响及机制。

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Secondly, spectral characterization of Boolean functions satisfying k order strict avalanche criterion is described;

其次探讨了满足k阶严格雪崩准则的布尔函数的谱特征；

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