光谱信息

  • 网络spectral information;Datacube;the deducted spectra
光谱信息光谱信息
  1. 遥感影像光谱信息处理的EXCEL实践教学

    Teaching Practice of Spectral Information Processing Using EXCEL and Remote Sensing Imagery

  2. 基于多尺度纹理和光谱信息的SVM分类研究

    The classification of SVM based on the multi-scale texture information and spectral information

  3. MODIS多光谱信息在海上溢油检测中的应用

    A study for detecting marine oil spills by using MODIS multi-spectral data

  4. 通过和GIS、光谱信息及各种指数信息的结合,可以有效解决由于黄土高原区地形起伏引起的阴影问题。

    Combined with the GIS information , spectrum information and some index information , the shadow problem caused by the hypsography can be resolved effectively .

  5. DFT(DiscreteFourierTransform)分析进一步证明,在反映熔滴过渡频率特征方面,电信息和光谱信息完全对应。

    Further , DFT ( Discrete Fourier Transform ) analysis shows that the electric and spectral frequency information and the droplet transfer frequency also matches well .

  6. 本文采用红外光谱仪对有机磷杀虫剂胺丙畏进行研究,通过其红外光谱信息,对谱峰进行归属,并鉴定出胺丙畏中的Z,E-异构体。

    Infrared absorption spectroscopy was used to study propetamphos . By IR spectra , assignment the characteristic peaks of propetamphos and identification of Z and E-isomers of Propetamphos .

  7. 将陆地卫星SPOT数据及TM数据进行复合,制成具有丰富色彩和较高分辨力的复合影象图,提取其光谱信息特征和地质体影纹特征。

    The article made synthetic image with rich colour and higher resolving power out of satellite data of SPOT and TM , and extracted spectral information characteristic and geologic body image characteristic .

  8. 为实现这一变化检测,本文创新点如下:(1)提出了一种基于BP神经网络分类结合光谱信息的水域变化检测方法。

    To achieve this change detection , this paper mainly completed the following two aspects . ( 1 ) A change detection algorithm of water is proposed on BP neural network and combined spectral information .

  9. 遥感图像光谱信息具有良好的综合性和现势性,利用遥感信息和GIS技术进行森林生物量估算及碳过程的研究已经成为一种全新的手段。

    The spectral information of remote sensing images has integrated and realistic characteristics . It has become an important means of using remote sensing information and GIS technology to estimate forest biomass in global change research area .

  10. 研究首次建立了基于特征波长光谱信息抗氧化物酶(POD、SOD、CAT)活性预测模型,实现了抗氧化酶活性预测模型的简化。

    The antioxidants enzyme ( POD SOD CAT ) activity forecasting model based on was set up based feature wavelengths spectrum information for the first time , and simplified the forecasting model .

  11. 通过一组试验表明,新方法是有效的&融合图像既融入了SAR图像的细节信息,又保留了TM图像的光谱信息。

    The experimental result indicates that the new method is effective , and it enhances spatial detail information of the fusion image largely and preserves spectral information of the original TM image well .

  12. 经融合处理后生成的图像,既反映出ETM图像多光谱信息丰富的特点,又反映出雷达图像上丰富的结构信息,从而大大提高了对地物的识别和判读能力。

    The images after fusing reflected not only rich multi-spectral characteristics of multispectral images , but also plentiful structures on radar images .

  13. 光学系统的主要作用是将目标区域或物体采集进系统并最终成像到CCD相机上,来获得物体的光谱信息和空间信息。

    The main function of the optical system is collecting the target areas or objects into the system and , ultimately , imaging in the CCD camera to obtain spectral information and spatial information of objects .

  14. 由于水质成分的多样性和复杂性,表征水质有机污染程度的COD与水样的紫外吸收多光谱信息之间存在高度的非线性,是一个非线性系统。

    Water component is a multiplex and complex system , there is a highly nonlinear relation between COD ( chemical oxygen demand ) and ultraviolet absorbance multi-spectrum information , it is a nonlinear system .

  15. 提出了一种基于SVM分类结合光谱信息的水域变化检测方法。

    At last , water change detection in multi-spectral images will be finished by different method . ( 2 ) A change detection method of water is presented based on SVM and combined spectral information .

  16. MODIS数据以其多光谱信息、中分辨率、更新快和长时间序列的特点被广泛应用于区域土地覆被和利用研究。

    MODIS data are widely used in the research of regional land cover and use with the characteristics of multi-spectral information , the resolution and fast and long time series .

  17. 本文不仅显著地丰富了Eu原子的光谱信息,还首次观察到了Eu原子自电离的BR和AD。

    Not only the spectroscopic information of the Eu atom is enriched significantly , but also the AD of the autoionization ejected electron and the autoionization BR of Eu atom are observed for the first time in this paper .

  18. 电弧光谱信息明显反映了GMAW熔滴过渡期间焊丝端头缩颈、熔滴长大和分离等过程。

    All of the necking down , droplet growing up and falling apart during droplet transfer of pulsed GMAW process can be found in spectral information .

  19. 其中,石粉含量模型是借助于石粉中结晶水的光谱信息建立的,而K含量是根据重量归一法计算的,精度较低,其SEP值为1.5。

    The information on which stone powder content model is built is the spectrum of crystal water existed in stone powder . K content was calculated using other ingredient contents by normalization principle with a SEP value of 1.5 .

  20. 研究结果表明,利用TM图像进行县级土地利用制图与农业发展分区,可以得到令人满意的结果,借助TM图像包括中红外在内的多波段光谱信息的优势,可以达到SPOT多波段图像的应用效果。

    The results indicated that the satisfying results can be got using TM image to make land use mapping and agriculture development partition . As the advantage of TM multispectral , it can be got that the similar results to SPOT image .

  21. 利用同步采集系统采集了固定脉冲GMAW熔滴过渡过程的电信息和光谱信息,准同步拍摄了电弧的图像信息。

    Electric and spectral information of droplet transfer in pulsed GMAW are collected by using picking system , the image of droplet transfer is also quasi-synchronously shot by high-speed camera .

  22. 同时,对比评价了基于小波变换CMWD、IHS变换、PCA分析的融合结果在提高空间分辨率、保持原始图象光谱信息的优劣。

    On the other hand , the paper raised a comparison of the fused images which were merged by wavelet transform , PCA and IHS methods , in spatial quality improving and spectral information preserving respectively .

  23. 从主观定性和客观定量两个方面对四种融合方法的结果进行了质量评价,发现Gram-Schmidt变换法能够更好地保持影像的光谱信息特征并增强影像的纹理和细节信息。

    It is found that the Gram-Schmidt transformation method can preserve more spectral information and enhance the texture than other methods with qualitative and quantitative evaluation .

  24. 陆地卫星TM图像含有丰富的光谱信息,SPOT全色波段图像数据分辨率较高,因此,如何将这两种图像数据有效地结合起来,在遥感应用领域中显得越来越重要。

    Landsat Thematic Mapper ( TM ) image is rich in spectral information , while SPOT panchromatic data is fine in its spatial resolution . Complementary and effective use of these data has shown in its increasing importance in the field of remote sensing application .

  25. 在有关电弧光谱信息研究的基础上,提出并成功地实现了脉冲MIG焊熔滴过渡的光谱控制法。

    On the basis of the study on arc spectral information of droplet transfer in pulsed MIG welding , the spectral control method of droplet transfer in pulsed MIG welding is put forward and realized successfully .

  26. TM图象的多光谱信息丰富,定位定性精度较高,适用于土地利用和农作物布局的动态监测,周期短、效益好。

    The multispectral information of TM imagery is abundant , both its positioning and qualitative accuracy are relatively high , so it it suitable for the dynamic monitoring of land use and crop distribution , and will has shot period and high efficiency .

  27. 以HPLC分析值作参比值,采用偏最小二乘法(PLS)建立近红外光谱信息与各组分含量间的定量校正模型。

    Partial least squares ( PLS ) method was utilized to establish the calibration models for ( describing ) the relationship between the near-infrared spectral information and each component with high ( performance ) liquid chromatography ( HPLC ) as a reference method .

  28. 我们选取HLS颜色空间来共同显现光强信息和光谱信息,最后将HLS颜色空间转化为RGB颜色空间通过24位的彩色位图显示样品图像。

    We select HLS color space to present both the light intensity and the spectral information , then convert the HLS color space to the RGB color space and display the sample image with 24-bit color map .

  29. 本文采用同步电流、电压、高速摄像及光谱信息的采集方法,系统地研究了未复合脉冲MAG电弧和激光复合电弧的物理过程,并对激光加入前后电弧的变化作了对比。

    In this paper , systematically studied pulse MAG welding and laser-pulse MAG welding , and contrasted the change of the arc before and after joined the laser , with the method of synchronous collecting current , voltage , high-speed camera and the spectral information .

  30. 因此采用IHS变换与小波变换相结果的方法对遥感图像进行融合,使空间信息跟光谱信息同时得到改善。(3)提出一种基于Soble算子的小波包变换图像融合算法。

    Therefore , the combination of IHS transform and wavelet transform results an improvement for both of the spatial and spectrum information . ( 3 ) A wavelet packet transform image fusion algorithm based on Soble operator is proposed .