查询词典 spectrum

In this article, on the foundation of FM-CDMA system, we mainly do the profound analytical study on the technology of modulation and demodulation, spread spectrum and dispread spectrum and spectral structure of the output system.

本文在提出该系统的基础上，主要对该系统中的调制解调技术、扩频解扩技术和系统输出的频谱结构做了深入的分析研究工作。

Calculate Lyapunov spectrum of series of R-R intervals and R-wave peaks with different physiological and pathological states. On the basis of Lyapunov spectrum, first propose the concept of Rate of Convergency-Divergency which can judge dynamics characters of the heart by both convergency and divergency.

计算了不同生理病理状态下动态心电图中RR间期和R波峰序列的Lyapunov指数谱，并以此为基础首次提出了收敛发散比的概念，它可以从收敛和发散两个方面衡量心脏系统的动力学特征。

The effects of ion doping to light emitting spectrum of phosphors was studied, and the results indicate that when only Ba ion doped, the light emitting spectrum of phosphor will take Einstein shift.

研究Ba2+离子掺杂对荧光粉发射光谱的影响，随着Ba2+离子浓度的增加光谱出现红移。

The results show that the mean particle size of α-Fe2O3 monolayer is about 58 nm. There are characteristic bands at 568, 482 and 386 cm~(-1) in IR spectrum. The absorption of 375 nm in UV-Vis spectrum is the electron transition of ferric and oxygen atom.

结果表明，α-Fe2O3单层膜是由粒径约为58 nm的粒子排布而成，在568、482和386 cm-1处有特征红外吸收峰，在紫外区375 nm处存在明显的吸收，为Fe-O间的电子跃迁，其吸光度值与膜层数间的较好线性关系说明在一定的速度下挂膜，可以将氧化铁溶胶中的纳米粒子较好地转移到基片上。

The application of the digitalized visible spectrum analysis technique enables the observation of the sensitive spectrum of element Co near ultra-violet area.

摘 要 使用可见光谱数字化分析技术解决了无法在近紫外光区观测Co元素灵敏谱线的问题。

The absorption spectrum, emission spectrum, and fluorescence lifetime of the solution were measured.

测量了这种溶液体系的吸收谱、荧光谱和荧光寿命。

Have explained why the absob spectrum and CL emission spectrum of ruby similar.

指出并解释了红宝石的吸收谱与阴极荧光谱一致的原因。

An emission spectrum of the fluorescence supporter and an absorption spectrum of the phosphorescence emission molecule overlap partly or completely.

荧光载体的发射光谱与掺杂剂的吸收光谱完全或部分重叠。

CURREY''s Science Fiction and Fantasy Authors: A Bibliography of First Printings of their Fiction (1979), a genuine first-edition bibliography which covered about 200 of the principal genre writers and intensified Reginald''s coverage; and George LOCKE''s remarkably accurate A Spectrum of Fantasy: The Bibliography and Biography of a Collection of Fantastic Literature (1980), which suggested en passant several titles that plausibly supplemented the Reginald Checklist; A Spectrum of Fantasy: Volume 2: Acquisitions to a Collection of Fantastic Literature, 1980-1993 (1994) continues the invaluable enterprise.

柯里所著的《科幻和幻想小说作家：其作品第一次印刷版本的目录》（1979）。作为一本纯正的初版目录，包括了大约200个主要的类型作家，并扩大了雷金纳德著作的覆盖面。乔治。洛克的《幻想小说大系：一个幻想文学收藏的目录与传记》（1980）具有让人惊叹的精确性（以及引人入胜的奇闻趣事），其中似真似假地顺便提到了几个条目补充雷金纳德的目录。《幻想小说大系：第二卷：一个幻想文学收藏的所得，1980-1993》（1994）将这一无价的事业继续下去。

To avoid this worst case scenario, be able to meet today to choose a wireless product design and debug needs of high-performance spectrum analyzer is essential that this spectrum analyzer must not only be able to test the authenticity of the product can also be able to detect The highly integrated wireless transmitter.

为了避免这种糟糕的情况，选择一种能够满足当今无线产品设计与调试需求的高性能频谱分析仪是至关重要的，这种频谱分析仪不仅要能够检验产品的真实性能，也要能够检测高度集成的无线发射器的功能。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。