查询词典 spectrum

The theoretical results show that,compared to the source spectrum,the normalized spectrum in some points of the diffracted field is blueshifted,and in the other points of the diffracted field the normalized spectrum is redshifted.

理论研究结果表明：部分相干光谱经单缝衍射后，在衍射光场的某些点，光谱相对于光源的光谱往短波方向移动，即为蓝移；而在衍射光场的另一些点，光谱呈现红移。

The space between frequency bins is 8 sub-carrier spaces. Before the transmission of each data frame, secondary user use periodogram detection technology to detect spectrum hole, then transmit data on the spectrum hole by spectrum pool technology.

每帧数据传输开始时，二级用户利用周期图频谱检测技术对信道频段进行检测，获得频谱空洞，然后采用频谱池技术在频谱空洞上传输数据。

The spectroscopic analysis carried on Ni-based alloy visible spectrum with grating spectroscope and prism spectroscope and color spectrum had been taken, characteristic of visible spectrum was studied in Ni-based alloy.

摘要使用光栅看谱镜和棱镜看谱镜对镍基合金可见光谱进行看谱分析，摄制彩色图谱，研究基体元素镍和各成分元素的可见光谱特征。

On this condition, some useful features have been found in the space domain. Wavelet spectrum estimation method has been used to extract the features in the space domain because the wire rope signal is a kind of none-stable signal. In order to discuss the physical meaning of this method, this dissertation proposes the relationship between Fourier spectrum and wavelet spectrum.

为进一步进行特征提取的需要，根据钢丝信号属于非平稳信号的事实，对信号给出了小波谱估计，以及Fourier谱和小波谱之间的关系和有效的小波谱计算方法，并在对实际钢丝信号小波尺度谱分析的基础上，给出一种信号的小波谱量化的方法，提取了信号的小波谱特征。

It is included the energy spectrum and angular distribution of hot electrons generated by ultrashort laser-solid interaction, the effect to electron behavior of electrical conductivity of target material, the hot electron activities and plasma characteristics in various plasma scale length, the rule of electron movement related to the high harmonic generation in gas, the excelled calculation about the condition of high harmonic generation, the study of electron spectrum and ion spectrum generated by Coulomb explosion in laser cluster interaction.

其中包括超短脉冲激光与固体靶作用中超热电子的能谱和角度分布，靶材料的电导率对电子行为的影响以及在不同的密度标长条件下超热电子和与电子相关的等离子体特征；超短脉冲激光与气体靶相互作用中与高次谐波相关的电子的具体运动规律和产生短波长高次谐波的优化条件；超短脉冲激光与团簇原子相互作用中通过对电子的隧道电离而引起的库仑爆炸等。

While calculating Sr spectrum by BSCR method we find: calculating the spectrum of Sr we can obtain pretty good results in low resonance energy if we use optimized β value of Ca directly, but it is not possible to obtain the ideal results in the part of high resonance energy spectrum.

我们使用BSCR方法计算Sr光谱时发现：将Ca的各open channel所对应的β值直接用在Sr的光谱计算时，在低能阶部分可得到相当错的成果，但是在高能阶时，则无法得到想的光谱。

By the use of standard substance, a standard spectrum library was established for 10 drugs, metformin, ephedrine, pseudoephedrine, caffeine, phenformin, fenfluramine, indapamide, phenolphthalein, fluoxetine and sibutramine. The identification for illegally added drugs was performed by comparing the accordance of retention time and the three-grade mass spectrum with the standard spectrum library.

利用标准物质建立10种药物（二甲双胍、麻黄碱、伪麻黄碱、咖啡因、苯乙双胍、芬氟拉明、吲达帕胺、酚酞、氟西汀、西布曲明）标准谱库，通过与标准谱库保留时间和三级质谱图的比较对非法添加的药物进行定性鉴别。

In order to study the relatively intensity of Zeeman effect split spectrum line, the quantum number distribution and the relatively intensity are presented in detail by the analysis of Hg(546.1 nm) spilt spectrum line in the external magnetic field; the image of coherence circle is obtained by CCD, and the intensity of image is analyzed, the relatively intensity of the spilt spectrum line by image disposed is close to the theoretical result. It is concluded that the phenomenon and rule of Zeeman effect can be analyzed by CCD image technology.

为了研究塞曼效应分裂谱线的相对强度，分析了Hg(546.1nm)谱线能级在外磁场中的分裂情况，详细给出了分裂能级的量子数分布和理论相对强度；在此基础上采用CCD拍摄了分裂谱线干涉圆环的图像，并对其进行了强度分析，通过图像强度处理得到各分裂谱线相对强度与理论分析结果十分接近；表明采用CCD图像技术能较好的分析塞曼效应现象和规律。

For example, the action spectrum of photosynthesis similar to the absorption spectrum of chlorophyll.

例如光合作用的作用光谱一般与叶绿素的吸收光谱相吻合。

We analyze the spectrum of absorption. The emphasis of the article is to study the spectrum of photoluminescence and electroluminescence.

在光致发光测定中，我们得到了位于360nm和675nm的发光峰，并讨论他们的激发谱和发光中心。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。