spectral order

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；

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；

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。

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。

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；

On the spectral radius of bicyclic graphs of order n

n阶双圈图的邻接谱半径

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。

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）。

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。