Panel members should be selected with a view to ensuring the independence of the members, a sufficiently diverse background and a wide spectrum of experience. 专家组成员的选择应以保证各成员的独立性、完全不同的背景和丰富的经验为目的进行。
Discussion and Application of Eliminating the Background in γ-ray Spectrum by SNIP Algorithm 基于SNIP算法扣除γ能谱本底的探讨及应用
Study on the influence of background spectrum noise on the accuracy of optical fiber F-P strain sensing system 光谱背景噪声对光纤法-珀应变传感系统测量精度影响研究
Due to the existence of interference and nonlinear background in X-ray spectrum, there are errors in the results of quantitative analysis on electron probe, especially for the lower element content. 由于X射线谱线的背景干扰和曲率变化,使得电子探针定量分析会产生误差,且元素质量分数越低误差越显著。
Methods: The color of3 kinds of imported composite resin and that of Chinese tooth crown of normal individuals was measured based on standard background with spectrum colorimeter. 方法:选取3种临床上常用之进口光敏树脂为实验材料,在标准背景下以分光光度计测定其色度值后,与天然牙冠色度范围进行比较,分析其色度分布差异。
Using this measurement technique and the data analysis method, the authors can obtain column density and effective radiation temperature of target-gas that does not require a previously measured background spectrum. 这种测量技术和数据分析方法可在不预先测量背景光谱的情况下得到目标气体柱数密度和目标气体等效辐射温度。
The test finds the best classified characteristics and critical function that can identify artificial target and background spectrum. 寻找了适合区分人工目标与背景光谱的最佳分类特征和判别函数。
According to the geometry properties of anomaly in high dimension space, an algorithm based on analysis of inertia moment has proposed to detect image anomaly. The algorithm can detect image anomalies with small difference from the background spectrum. 依据异常在高维空间中的几何特点,提出了一种基于转动惯量分析的异常检测算法,提高了检测与背景光谱差异较小的异常的能力。
Reduction of Thermal Background of RENFWM Spectrum by Time-Delayed Method 用时间延迟方法压低喇曼增强非简并四波混频谱的热背底
Analyses of the background in X-ray appearance potential spectrum X射线出现电势谱的本底分析
In this paper the correspondence between velocity wave-form and background form of Mossbauer spectrum is discussed and a method is presented to determine the sign of calibration constant according to the background form. 本文在讨论穆斯堡尔谱基线形状与速度波形对应关系的基础上,提出了根据基线形状确定谱仪标定常数符号的方法。
The relative distorted grid image obtained using wavelet transform was used to remove the background components in the spectrum to obtain the desired spectrum. 基于小波变换得到相对栅线图像,其频谱中背景成分基本消除,有利于有用频带的提取。
The background curve in the spectrum obtained by in-column energy filter did not fit with the theoretical prediction. 在处理谱图时发现,利用Ω型能量过滤器采集的电子能量损失谱中谱图的背底曲线与理论拟合结果偏差很大;
For seeking after background spectrum, an iterative technique called gradual annihilation method is used in the module for analysis of differential spectrum. 在微分谱分析模块中采用了迭代技术求全谱本底,称之为逐次淹没法。
The effects of long fatty acid collector on the structure of sodium aluminate solution was studied with plastics sheets attached water as the background of infrared spectrum. 本文采用膜加水的制样方法,测定长烃链脂肪酸型捕收剂存在下的铝酸钠溶液红外光谱,研究了其对铝酸钠溶液结构的影响。
Discussing of checking the background of four-channel spectrum instruments 检定四道谱仪中本底的讨论
Calculation of Background Noise Spectrum of IR System 红外系统背景噪音谱的计算
By the characteristics of instrument, the interference was avoided at utmost degree and the background spectrum was subtracted rationality. 根据仪器的特点,最大限度地避开了干扰及合理地扣除了光谱背景。
Meanwhile, the production theory and effect from continuous background of the plasma spectrum was analyzed, finally, the LIBS experiment system was described detail. 同时,分析了等离子体光谱连续背景的产生及其影响,最后详细描述了试验工作中搭建的激光感生击穿光谱实验系统。
The common used method of getting the absorption spectrum is to subtract the background spectrum from the transmission spectrum of the sample. 得到待测样品吸收光谱的通常方法是,将样品的透射光谱和不含样品的背景光谱进行差减计算。
Variation of fluorescence background in the Raman spectrum was investigated versus laser power, which was measured on Cd 0.96 Zn 0.04 Te surface at low temperatures. The fluorescence signals burning out were observed, accompanied by a red shift of the material's phonon peaks. 研究了Cd0.96Zn0.04Te表面低温Raman散射光谱中的样品荧光背景随激光功率的变化行为,观察到了荧光的猝灭现象和同时伴随的声子峰红移。
The application of wavelet transform in the spectrum signal processing is studied. The influence of the transform on the Gauss spectrum peak is analyzed. A method is proposed to reduce the noise and background in the spectrum signal obtained by the micro spectrometer. 研究了采用小波变换来消除光谱信号中的噪声和背景信号的方法,并深入研究了小波变换处理对真实光谱信号的影响,提出了采用小波变换消除光谱高频噪声和低频背景信号的方法。
The thermal electrons scatter off the background photons and make the spectrum deviate from the blackbody radiation. 我们的理论估计表明,富星系团集合的高温热电子散射背景光子,使背景辐射谱偏离黑体辐射谱。
Analysis of the activated background spectrum shows that natural copper is an ideal shielding material in fast neutron nuclear reactions. 通过分析天然铜的活化本底谱,可以看出它是快中子核反应中的最理想的屏蔽材料之一。
Effects of amplitude fluctuations of signal and background noise on line spectrum detector performance 信号和背景噪声的幅度起伏对线谱检测器性能的影响
With the respect of complex sky background, the sky spectrum radiated luminance formula is set up. 对复杂的天空背景,则借鉴太阳辐射学中研究大气对太阳辐射的散射辐射强度的方法,导出了计算天空光谱辐射亮度的公式。
While the constrained energy minimization algorithm detect targets without a priori information of background spectrum, but the algorithm has a poor performance on the big target detection and cannot effectively extract the target contour. 而约束能量最小化算法在进行目标探测时无需背景光谱的先验信息,但该算法对大目标探测效果不佳,不能有效提取出目标轮廓。
Background and objective: Disease spectrum usually refers to the top 10 ranked sequence of diseases that seriously harm to human health and occur frequently. It is important to disease prevention and medical research. 背景及目的:疾病谱通常是指对发生较多和对人类危害最大的前10位疾病顺序的排列,科学的疾病谱对疾病的防治和医学科学研究有着十分重要的指导意义。
This paper, firstly, introduced the background and significance of spread spectrum communication, and analyzed the current application requirements and the research status of the world. 论文首先介绍了扩频通信的背景及意义,分析了目前的应用需求和当前各国的研究现状。