查询词典 spectrum analysis

Comparison of the surface spectrum and normal spectrum suggests that the dye molecules are chemically adsorbed on the surface of the GaP nanoparticles.

通过将吸附碱性品红与纯碱性品红晶体样品的拉曼光谱进行对比、分析可知，碱性品红在纳米GaP粉体表面发生了化学吸附。

The comparison between the power spectrum of the signals preceded and passed stochastic resonance implies that, the 3 level quantizer stochastic resonance is good for the detection of weak line spectrum buried in Gaussian mixture noise.

随机共振系统处理前后的功率谱对比表明，3-水平量化器随机共振是检测高斯混合分布中微弱线谱的有效手段。

For example, in a cellular telephone network with frequency reuse, spectrum spreading and forward error correction reduce the spectral efficiency in/Hz but substantially lower the required signal-to-noise ratio in comparison to non-spread spectrum techniques.

例如，在一个频率复用的移动电话网络中，扩频和前向纠错对于非扩频技术来说，虽然减少了频谱效率，但是充分地降低了所要求的信噪比。

Using absorbed value feature of known mineral criterion for reference, utilizing Landsat 7 ETM remote images and features of altered mineral spectrum from USGS, valuable alteration mineralization information are extracted by comparison of spectrum similarity.

利用该区域的Landsat7 ETM遥感影像和标准光谱库中的特征蚀变矿物光谱为基本数据，借鉴已知矿物标准中的吸收谷特征，应用光谱特征匹配技术进行吸收谷谱区间和吸收谷深度对比，通过比较两者的相似性，达到提取蚀度矿物的目的，提取出许多有价值的似蚀变带遥感信息。

H-aggregate structure of MH-PPV conjugated main chains gives rise to the energy splitting of the low exited states, which causes the spectrum of LB films to broaden and blue shift comparison to the UV spectrum of solution, but the bandgap is smaller than that of PPV in casting film.

与MH-PPV溶液的紫外光谱相比，聚合物分子的H-聚集使得LB膜的紫外光谱明显变宽而且最低能量吸收峰发生蓝移，但相对于铸膜其光学能垒有所降低，这是由于共轭主链的有序排列导致最低激发态能级的分裂造成的。

After the study, we get the following results: its power spectrum is a continuous spectrum with pinnacles.

通过研究，我们得到如下结果：胎儿心率的功率谱谱线是具有尖峰结构的连续谱。

Like the visible spectrum, an atomic emission spectrum is a continuous range of colors.

像可见光谱，原子发射光谱是一个持续不断各种颜色。

The experimental results show that plasma emission spectra are composed of atomic spectrum, univalent ion spectrum and continuous radiation.

结果表明：等离子体辐射光谱线由原子光谱线、一价离子光谱线及连续辐射背景光组成。

According to the Poisson equation of gravity-magnetic potential, we derive the relation of cosine transform spectrum between magnetic potential and magnetic field constituent and deduce the cosine transform spectrum formula of n degree derivatives using the cosine transform.

根据重磁位场的泊松公式，利用余弦变换给出磁位与磁场分量间的余弦变换谱关系，推导出磁异常n阶导数的余弦变换谱公式。

It was found that the transmission spectrum of the filter is the cosine function modulated reflection spectrum of the fiber grating.

结果表明该滤波器的透射光谱是余弦函数调制后的光纤光栅反射光谱。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。