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emission spectrum相关的网络例句

查询词典 emission spectrum

与 emission spectrum 相关的网络例句 [注:此内容来源于网络,仅供参考]

The spectrum analysis of the air-ultrasonic waveform indicates that when the matcher thickness is calculated at the highest spectrum and the subsequent higher spectrum of the pulse waveform, it can obtain a better result. But all the highest spectrum of the air-ultrasonic waveform moves to the high frequency zone in the experiment, which is a possible important reason that the testing extent of the air-ultrasonic transducer is limited.

经对空气超声波形进行频谱分析后发现用脉冲波形的最高谱线及次高潜线对应的频率计算匹配层厚度,可得到较好的匹配结果,但是空气超声波形的最高谱线均移向高频段,这可能是造成脉冲空气超声换能器可检测的范围有限的一个重要原因。

The spectrum resource of WiMAX system is very scarce. How to improve the spectrum utilization and reduce interference with other systems to achieve co-existence needs to be resolved. The performance and spectrum utilization improvement of WiMAX system is studied by using periodogram detection and spectrum pool technology.

为提高WiMAX系统频谱利用率,减小与其他系统之间的干扰,实现共存,利用感知无线电的周期图频谱检测和频谱池技术,对WiMAX性能加以改进。

We first introduce the positive real spectrum function and bounded spectrum function then establish the parametrization of the power spectrum by the Levinson polynomials associated with the autocorrelation matrix of the output and bounded spectrum function.

首先引入正实谱函数的和有界谱函数的概念,利用正实函数和有界实函数理论,通过和过程自相关矩阵相关联的Levinson多项式和有界谱函数,建立了功率谱参数化的表达式。

Meanwhile, 2-D spectrum and the corresponding parameters of irregular wave transformation (predominant wave direction and mean wave direction, peak frequency and peak spectrum density, spectrum width, mean period, mean wave length, mean wave crest length and 3-D index and so on)、 1-D frequency spectrum and the corresponding parameters and numerical results of wave height、 wave direction of regular wave transformation are offered.

提供不规则波传播变形二维谱及其谱参数(主波向及平均波向、峰频及谱峰值、谱宽度、平均周期、平均波长、平均波峰长度及三维性指标等等),不规则波一维频率谱及其谱参数和规则波变形的波高、波向模拟值。

A series of bulkily substituted ferrocenium triiodides with general formula (RC5H4)2FeI3 have been synthesized and characterized by elementary analysis, IR spectrum, mass spectrum, ESR spectrum, Mossbauer spectrum and conductivity.

通过元素分析,红外光谱,质谱,顺磁共振谱,穆斯堡尔谱和电导率对这些化合物进行了表征。

At first, setting up the arith relation between the signal input and the signal output of the generalized multi-carrier system of the Discrete Fourier Test spread-spectrum; then setting equilibria parameters of the frequency field equilibria subcarrier of the generalized multi-carrier system of the DFT spread-spectrum according to channel frequency response, channel noise variance and equilibria method; then calculating average power of useful signal, interferential average power between signals as well as noise variance of the generalized multi-carrier system receiving terminal of the DFT spread-spectrum according to the arith relation as well as the frequency field equilibria parameter, and recomputing available signal information noise ratio, so as to calculate the available signal information noise ratio of the generalized multi-carrier transmission system accurately, the method for estimating the available signal information noise ratio can be used for link self-adapting transmission solution of the generalized multi-carrier system based on Discrete Fourier Test spread-spectrum and radio material management.

一种DFT扩频的广义多载波系统的SINR估计方法,其通过首先建立所述离散傅立叶变换扩频的广义多载波传输系统的信号输入输出之间的数学关系,然后根据信道频率响应、信道噪声方差和均衡方法,设定所述DFT扩频的广义多载波传输系统的频域均衡子载波的均衡系数,再根据所述数学关系及所述频域均衡系数分别计算所述DFT扩频的广义多载波传输系统接收端有用信号的平均功率、信号间干扰的平均功率以及噪声方差,再计算有效信干噪比,如此以实现对广义多载波传输系统的有效信干噪比的准确计算,该有效信干噪比估计方法可用于基于离散傅立叶变换扩频的广义多载波传输系统的链路自适应传输方案和无线资源管理方面。

First, the background spectrum is subtracted from experimental one; Second, by the spectrum stripping, the counts came from partial energy deposition of incidence photon in HPGe crystal, such as Compton scatting or pair production; the next, transform the experimental spectrum to the incidence photon flux spectrum.

实验数据的处理过程有三步:1 从实验谱中减掉本底谱;2 实验谱中分离掉各种能量的入射光子在晶体中的部分能量沉积(康普顿散射、电子对效应):3 处理过的实验谱转成入射光子通量谱。比较结果显示,在本实验中,模拟谱对实验谱的总计数相对偏差不大于20%,两者基本符合。

A computerized welding arc spectrum information sampling and processing system are developed to study of the ultraviolet spectrum distribution feature. Corresponding softwares also is developed. A process for sampling the ultraviolet spectrum automatically and the real-time monitoring of welding parameter are realized. based on the principles of the physics of arc and spectroscopy the information of welding arc ultraviolet spectrum sampled is changed and processed.

焊接电弧紫外光谱信息的计算机采集与处理系统*韩国明吴钊柳刚云绍辉李俊岳摘要以焊接电弧紫外光谱的分布特征为研究对象,研制了一套焊接电弧紫外光谱计算机采集与处理系统并开发了相关软件,实现了紫外光谱采集过程的自动化、焊接电流与电弧电压的实时监测,并在电弧物理和光谱学原理的基础上,对采集的焊接电弧紫外光谱信息进行变换和处理。

Secret Garden Song there is only a piano violin score, so I have now put the violin to play down the spectrum alone, but depends on the spectrum to go to "Pop Piano net" download overture 4.0 before they can open this spectrum, I have temporarily Upload " Secret Garden Song "where the" Secret Garden Song "This song violin spectrum.

但是大家需要去下载这个文件才可以打开,因为他是ove的文件神秘园之歌市面上只有钢琴小提琴总谱,我现在已经把小提琴谱单独打下来,但是要看这个谱要去&流行钢琴网&下载overture 4.0才可以把这个谱打开,我先暂时上传《神秘园之歌》里的&神秘园之歌&这个曲子的小提琴谱。

XRD shows: when the value of x is between 0.1 and 0.3, the alloying thin film remains the structure of hexagonal wurtzite and the angle of (002) diffraction peak becomes bigger as the value of X increases; The photoluminescence spectra at room temperature shows that the PL spectra of the alloying thin film is composed of the stronger UV emission band and weaker visible band, and UV emission peak will have the blue shift with the content of Mg increasing and the visible emission weakened.

XRD衍射测试表明:在0.1<x<0.3范围内,合金薄膜仍然保持氧化锌六角型纤锌矿结构,(002)衍射峰位随x的增大向大角度方向移动,在X≥0.3的范围内,合金薄膜的结构则为氧化锌和氧化镁的混合结构;室温光致发光谱表明:ZnMgO合金薄膜PL谱都是由较强的紫外发射带组成,且随着Mg含量的增加紫外发射峰位发生蓝移,同时可见发射增强。

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推荐网络例句

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization,IVF)中精子形态、顶体反应与卵子受精率之间的关系,分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选!

It was a blowy day soon after Hilda had gone, that Mrs Bolton said: 'Now why do not you go for a walk through the wood, and look at the daffs behind the keeper's cottage?

希尔达走了不久以后的一个刮风天,波太太对她说:你为什么不到树林里去散散步,到守猎人的村舍后边去看看野水仙?