查询词典 spectrum

Correction of secondary spectrum based on normal dispersion glasses.

基于正常色散玻璃二级光谱的校正。

It's good for chirp to broad spectrum in normal and abnormal dispersion area, but not evidence in zero dispersion.

反常色散区和正常色散区啁啾有利于频谱的展宽；零色散区，啁啾对频谱展宽影响不明显。

The results show that because of fourth-order dispersion,cross-phase modulational instability occurs at two spectrum regions in both the normal and the anomalous dispersion regime of fiber.

结果表明：由于四阶色散的影响，在色散缓变光纤的正、反常色散区，交叉相位调制不稳定均发生在两个频谱区。

Effect of power saturation on spectrum expanding in normal dispersion region of microstructured fiber by femtosecond laser pulses.

微结构光纤正常色散区飞秒激光脉冲传输光谱展宽的功率饱和效应。

It is shown that because of the fourth-order dispersion,cross-phase modulational instability occurs at two spectrum regions in both anomalous and normal dispersion regimes of fiber.

结果表明：由于四阶色散的影响，在光纤的正常、反常色散区，交叉相位调制不稳定性均发生在两个频谱区。

The results showed that because of fourth-order dispersion, XPM instability occured at two spectrum regions in both the normal and the anomalous dispersion regimes of fiber.

正五阶非线性使增益谱的谱宽和峰值增大，负阶非线性使增益谱的谱宽和峰值减少。

The artificial neural network models of original spectrum and two pretreated spectra (firstderivative and standard normal variate, respectively) of osthol and imperatorin were established.

分别利用萃取物的原始光谱和两种预处理光谱建立了网络的数学校正模型，并把所得结果进行了比较，确定用一阶导数光谱所建立的模型为最佳网络模型。

The initial spectrum was pretreated by standard normalized variate, 7 point smoothind and one derivative respectively.

定标集真值与NIRS定标模型预测值之间的决定系数R2和标准差RMSEC分别为0.9529和3.22，相对分析误差RPD为4.798。

The initial spectrum was pretreated by standard normalized variate , 7 point smoothind and one derivative respe ctively.

定标集真值与NIRS定标模型预测值之间的决定系数R2和标准差RMSEC分别为0.952 9和3.22，相对分析误差RPD为4.798。

The NIRS quantitative analysis model was developed for measuring MBM content in fish meal by using partial least squares. The initial spectrum was pretreated by standard normalized variate, 7 point smoothind and one derivative respectively.

应用偏最小二乘定标方法，在8 678.10~4 250.34cm^(-1)波数范围内，采用变量标准化、7点平滑和一阶导数对光谱进行预处理，建立了鱼粉中肉骨粉含量的NIRS定量分析模型。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。