Of course the principles of spectral analyses aren't always so cleat to beginning students, so Virtual Spectroscope offers a new approach to studying spectra and spectral intensity graphs. 当然这个原则的光谱分析并非总是如此,以便开始提供虚拟光谱技术提供了一种新的方法来研究光谱和光谱强度的图形。
Effects of Carbon Coating on the Spectral Intensity of Silicon-based Thin Film Laser Micro-plasma 碳涂层对硅基薄膜激光微等离子体光谱强度的影响
Design of Data Collecting System of the Solar Spectral Intensity Monitor 太阳光谱绝对测量中的数据采集系统设计
Spectral intensity analysis on silicon induced by laser 激光作用下硅靶材的等离子体光谱强度分析
Error of spectral intensity and phase of femtosecond laser pulse using SPIDER technique 用SPIDER法还原飞秒脉冲振幅和相位误差
The high correlation between high resolution image and spectral intensity component by means of the IHS transform, makes it easy to perform images fusion in wavelet transform domain. 对多光谱图像进行IHS变换,利用变换后得到的强度分量和高分辨图像具有较强的相关性,在小波变换域进行图像融合。
According to the parametric function of Doppler frequency and miss distance parameters, a novel miss distance measuring method is proposed. The echo signal is first represented as a gray image with spectral intensity as its gray values by time-frequency transformation. 根据多普勒频率和脱靶量的参数方程,提出了一种脱靶量测量的新方法:首先通过时频变换,将目标回波信号表示为以频谱强度为灰度值的图像;
The dissertation calculating the spectral intensity and transmittance along the wavelength, using narrow band model, according to the physical property, as well as the total directional radiated energy flux. 运用窄谱带模型,根据气体介质的物理性质,分别计算对应各个波长段的辐射强度和穿透率,进而计算总的辐射量。
In this paper, the methods for deriving geometrical intensity image, different spectral intensity images and different spectral life_ time images from the complex information of the new technology are presented. 给出了从这种技术的复合信息中提取复合光谱几何强度结构图像、不同光谱几何强度结构图像、不同光谱寿命图像的方法。
The spectral intensity was proportional to the square of the product of normalized light field intensity and electronic relativity factor. 谱强度与归一化光场强度和相对论因子乘积的平方均成正比,载波包络函数使光场中电子运动的时间和空间周期减小;
The resonance Raman effect is produced in liquid core optical fiber. It can enhance the Raman spectral intensity 109 times. 在液芯光纤内产生共振拉曼效应,可以提高拉曼光谱强度109倍。
Its power spectral model is the twice-filtered white noise model. Moreover, the relation between the power spectral intensity and the mean value of maximum ground acceleration is set up. 地震地面运动功率谱模型采用两次过滤白噪声模型,建立了地震地面运动谱强度与最大加速度均值之间的关系。
The photoluminescence spectrum is blue shifted with a shoulder peak, and the spectral intensity increases markedly. 荧光光谱出现裂分并发生蓝移,发射强度大幅度提高,半峰宽变窄。
Furthermore, its lineshape of the 1st deviation of Gaussian profile is theoretically analyzed, and the dependence of the spectral intensity and lineshape on some experimental parameters is also discussed, and thus, the optimal parameters are presented. 此外,本文还在理论上分析了该光谱技术具有的高斯线型的一次微分光谱线型的特点,并讨论了一些实验参量对谱线强度和线型的影响,进而给出了最佳实验参量。
The dependence of molecular ionic spectral intensity on the pressure of mother molecules in velocity modulation spectroscopy was experimentally and theoretically studied. A new diagnosis of some plasma parameters, e.g. electric field, electron temperature and ionized coefficient, was proposed and carried out. 实验研究并理论分析了速度调制光谱技术中分子离子谱线的强度与母体分子气体压强的关系,提出并实现了一种新的等离子体电场、电子温度、电离系数的诊断方法。
Liquid-core optical fiber technique applied in the measurement of Fourier transform Raman spectra, can enhance the Raman spectral intensity about 10 2-10 4 times. 将液芯光纤技术用于傅里叶变换拉曼光谱测量中,提高拉曼光谱强度102~104倍。
Study on measurement of target infrared spectral intensity 目标红外光谱辐射强度测量技术研究
The characteristics of earthquake components are compared in the spectral intensity ratios, frequency, duration and correlations. 首先论述了多维地震动及其相关性,从地震动的各个分量之间的强度比、频率、持时及相关性等方面说明地震动分量的特性;
Two cases of power spectral intensity function for the earthquake acceleration input at the base rock is considered: the white noise spectrum and the coloured spectrum. 关于基岩输入地震动加速度的功率谱密度函数,考虑了两种形式:白噪声谱和有色谱。
In addition, we also investigated various methods to construct input feature vectors for the recognizer, such as characteristic wavelength with corresponding spectral intensity, or principal component analysis, and the effect of these input vectors applied to spectral pattern recognizer. 我们还讨论了利用特征波长与相应的光谱强度,以及利用主分量分析组成输入特征矢量,及其这些输入特征矢量对光谱识别器应用的效果。
By changing the number of relative carrier-envelope phase, broader spectral broadening and higher spectral intensity, especially the spectral intensity of high frequency components, can be obtained. 通过改变相对载波包络位相的数值可以获得更宽的频谱宽度及更高的光谱强度特别是高频分量的光谱强度。
Firstly, using the LIBS spectral signal-noise ratio ( S/ N) as optimization criteria, the spectral intensity of the chosen atomic characteristic lines is optimized by using different carrier gas, delay time and optical collection geometry. 首先以光谱信噪比为依据,对比研究了不同背景气体、延迟时间及光路参数等因素对特征谱线强度的影响,确定了信噪比最优的实验条件。
Then, the influence of welding parameters on the Mg I spectral intensity is studied, and the Mg I spectral intensity in the radial and depth direction of keyhole is collected. 研究了焊接工艺参数对MgI光谱强度的影响,并在一定的焊接工艺参数下,采集了小孔径向和深度方向的等离子体信号。
The characteristics of spectral intensity and linewidth in different pressure of CO2 gas are discussed along with different data processing. 接着讨论了不同浓度下的CO2分子光谱吸收强度、光谱线宽等的变化特性,并比较了在不同数据处理方式下的光谱分析结果。
Laser plasma radiation spectral intensity and background intensity under different additive contents were recorded, and corresponding quality of spectral line were compared. 3. 记录不同添加剂含量条件下的激光等离子体光谱强度和连续背景,比较光谱质量。
A high repeatability spectral intensity signal acquisition method has achieved. The influence of the fluctuation of input data on the output of GA-ANN-LIBS analysis was discussed. 获得了一种LIBS光谱强度信号可重复性好的数据采集方式,分析了网络输入的波动性对输出结果的影响。
After the volume of the sample chamber was reduced, the spectral intensity quickly tended to be stable with the increase of the acquisition spectrum number. The washing time of samples sediment was shortened. 当减小样品室体积以后,光谱强度随采谱次数增大迅速趋于平稳,也缩短了样品沉积物的吹扫时间,但是光谱信号的波动性明显变大了。
After calibration of the diagnostic system, we can obtain absolute intensity and then we measure its uncertainty of fluctuation with time dependence with spectral intensity. 通过对实验系统进行定标,可以得到光谱仪接收到光谱的绝对强度,并且我们实验测量了谱线绝对强度随时间变化的不确定度与谱线强度的关系。
The main means were used as follows: First, the influence of the parameters indicator of the transfer tubes and the carrier gas flow rate on the spectral intensity and the signal-to-background ratio of the elements in the samples were studied. 采用的主要手段如下:1.研究了传输管的参量指标和载气流量对待测样品中元素光谱强度和信背比的影响,得出被烧蚀样品最佳的传输条件。