查询词典 spectrum analysis

Pattern Recognition of Remote Sensing FTIR Spectrum The method of PCA-LDA (principal components analysis-linear discriminantanalysis) is introduced creatively in the analysis of remote sensing FTIR spectrumin this dissertation and the method of pattern recognition of PLS-LDA andPCA-LDA are built to recognize VOCs in the atmosphere.

遥感FTIR谱图的模式识别本文创造性地将主成分提取与线性判别分析(Linear Discriminant Analysis，LDA)相结合的方法，引入到遥感FTIR光谱的分析中，建立了PLS-LDA、PCA-LDA对VOCs的模式识别方法。

Apply the metalloscope, the scanning electric mirrorand energy spectrum analysis instrument etc. material analysis way and MLD-10 dynamic load abrasion tester, JB-36 three use the impact tester etc. test equipment to analysis and test the wearable performance of selected material and welding quality of welding sample. So as to make certain the best welding material and welding crafts between the welding of pickax boot wearable material and pickax body material in making tamping pick adopting parted type structure.

应用金相显微镜、扫描电镜、能谱仪等材料分析手段以及MLD-10动载磨料磨损试验机、JB-36型三用冲击试验机等试验设备，对所选材料的耐磨性能和焊接试件的焊接质量进行分析测试，以确定分体式结构制造捣镐的工艺中最佳镐靴耐磨材料及其与镐体材料捍接过程中的最佳焊接材料和焊接工艺。

The size of tested field was measured using comparison between the tested field image caught through CCD and the plotting paper image when plotting paper was placed in the tested field position with no plasma jet; the emission intensity distribution of tested field was obtained using stepping motor taking fiber probe to scan tested field, and the spectrum analysis instrument was used to show the spectrum intensity information.

通过CCD获得的待测场图像与没有射流射出时在待测场处放置的坐标纸图像进行比对，测量了实际待测场的大小；利用步进电机带动光纤探针对待测场进行扫描，通过光谱仪获得了待测场的光强分布。

USB portable multi-channel analyzer software on the PC can be achieved on the information collected spectrum analysis, given a spectrum of related data with a high value.

USB便携式多通道分析仪的PC端软件，可以实现对采集信息的频谱分析，并且获得频谱图以及相关数据，具有极高的价值。

The frequency spectrum of noise is very wide, and will superpose with useful signal that has the notable influence to digital measurement and frequency spectrum analysis. Base on it, the method of solving zero floating problem of Waveform digital reconstruction process is proposed.

噪声的频谱噪声频谱很宽，将与有用信号的频谱重叠，对数字测量、信号处理和谱分析有显著的影响，并提出了解决波形数字重构中数字示波器零漂影响的方法。

The difference between static coefficient analysis and spectrum analysis based on wave form expansion with different number of modes was discussed on the basis of the seismic analysis.

在此基础上对不同模态数扩展下的谱分析结果和静力系数法的计算结果进行比较研究。

Methods: Using X-ray spectrum and the atom spectrum analysis technique in medicine research's method.

运用X射线谱分析和原子光谱分析技术在中药研究中的方法。

The spectrum and electrochemical adsorption behavior and mechanism of diethyl dithiocarbamate on jamesonite were investigated by spectrum analysis and constantpotential step.

采用光谱分析及恒电位阶跃法，研究了乙硫氮在脆硫锑铅矿表面吸附的光谱电化学行为及作用机理。

Effects of temperatures on thaumasite formation were investigated.X-ray diffraction,scanning electron microscope,energy dispersive spectrum and laser Raman spectrum analysis were used to identify thaumasite in paste sample stored in 10% of MgSO 4 solution at different temperatures.

研究了环境温度对碳硫硅钙石形成的影响。降浸泡于不同温度的质量分数为10%的MgSO 4 溶液中的含石灰石粉水泥石试样进行X射线衍射分析、扫描电子显微分析、能谱分析和激光Raman光谱分析。

X-ray diffraction, scanning electron microscope, energy dispersive spectrum and laser Raman spectrum analysis were used to identify thaumasite in paste sample stored in 10% of MgSO_(4) solution at different temperatures .

钙矾石型和石膏型等硫酸盐侵蚀破坏机理已得到广泛研究与认同，然而另一种硫酸盐破坏类型———碳硫硅钙石型却没有受到应有重视。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。