查询词典 spectrum

Fig.2 The comparison of absorption spectrum of glass and glass-ceramic.

图2 不同温度处理下的玻璃陶瓷与玻璃样品的吸收谱对比。

Change detection technology is an important method of remote sensing application field. Generally,it is classified as spectrum comparison method and post-classification comparison method.

变化检测技术是遥感应用研究的热点领域，通常将该技术归为两类：光谱直接比较法和分类后比较法。

The comparison is made on the spectrum and anti-noise performance between π/4-DQPSK and QPSK under the the same channel.

4_DQPSK作为新制定的美国数字移动蜂窝通信系统的调制方式，以其高效的频谱利用率和抗衰落、抗多径效应等优点在现代通信领域具有广阔的发展前景。

FLL, PLL, DLL design and comparison, in the spread spectrum communication system in these three loops is the key.

详细说明： FLL、PLL、DLL的设计与比较，在扩频通信系统中这三种环路就是关键。

Two from TM or ETM＋ and one from SPOT scenes, were used. Land use change areas were determined using the two change detection techniques of post-classification comparison and spectrum comparison.

按土地利用数据变化的监测、更新、分析与管理的技术路线，对长乐市1998－2000年的土地利用变化应用研究。

980Nm VCSEL array was fabricated and the comparison of output power and spectrum of array device with single device of same active area was analyzed.

研制出980nm 垂直腔面发射激光列阵，测试了输出功率和光谱，并与相同出光面积的单管器件进行了比较。

It is concluded by the comparison of the Power Spectrum Density Function estimated from design spectra that the spectral energies do not distribute uniformly within the frequency of engineering interest in Chinese codes. The remarkable spectral energies concentrate in the range of low and high frequency.

由各规范设计谱估计的功率谱密度函数的比较说明，我国某些抗震设计规范设计谱给出的设计地震动在工程感兴趣的频率范围内可能存在能量分布不均的问题，低频分量和高频分量与中等频率段相比相对显著。

With the results which include performance point , shear force-displacement , distribution of the plastic hinges and so on, and has carried on the comparison with the elastic response spectrum method and the time-history method . An appraisal has been made after considering the structure earthquake resistance performance.

分析结果包括结构在小震和强震下的性能点和顶点位移，底部剪力-顶部位移，结构破坏时塑性铰的分布等，并与弹性反应谱法和动力时程分析的结果进行了比较，利用分析结果对结构的抗震性能做出了评估。

Three TM/ETM+ image (1999, 2002, 2007) were used. Land use change areas were determined by using two change detection techniques of post-classification comparison and spectrum comparison. The resultant change images obtained by the two change detection methods were overlaid to obtain more accurate change information.

本研究选取了1999年、2002年与2007年3期的TM/ETM+遥感图像，采用分类后比较法对沽源县1999~2007年的土地利用变化进行信息提取，再通过两者的叠加分析，获得了较为理想的变化监测结果。

By the characteristic coloration reactions of the flavaonoids in comparison to UV and visible spectrum shown between the exWacted substance and turin.

采用不同的提取剂处理春花胡枝子叶，所得提取物与芦丁在紫外、可见光区的光谱对照及黄酮类化合物的特征显色反应，证明了春花胡枝子含有黄酮类化合物。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷