光谱特性

Creative research has been carried in the technologies of temporal pulse shaping, spatial intensity shaping, angular spectrum dispersion, and wave front control, which cover four parameters of time, amplitude, spectrum and phase that describe the characteristics of a laser beam.

以表征激光束特性的时间、振幅、光谱、位相等四个信息参量为对象，创新性地研究了脉沖时域整形技术、光强空间整形技术、光谱角色散技术和波前控制技术。

Quantum dots are a kind of semiconductor nanopaticles with the radius equal to or less than the exciton Bohr radius. They have tremendous potential in the field of biology and medicine because of their unique and tunable optical properties (broad excitation spectrum, narrow emission spectrum, precise tunability of their emission peak and negligible bleaching, etc) as new fluoresent probes.

量子点是半径小于或接近于激子玻尔半径的一类半导体纳米晶，作为一种新型的荧光标记物，其独特和可调谐的光学特性（宽的激发光谱、窄的发射光谱、可精确调谐的发射波长以及可忽略的光漂白等）使其在生物和医学方面显示出巨大的应用潜力。

The optical property of CdS nanocrystals in ZrO 2 thin film has been studied. The film was fabricated by sol gel technique. Photoluminescence and photoluminescence excitation spectra of the samples with different annealing temperature were measured. Photoluminescence decay curve of CdS nanocrystals at different annealing temperatures was studied.

研究了用溶胶凝胶方法制备的CdS超微粒/ZrO2薄膜的发光特性，测量了不同退火温度处理的样品的荧光光谱、荧光激发光谱和荧光衰减曲线的变化，通过荧光衰减曲线研究了140 ps左右的CdS的带间跃迁发射和较慢的表面态发射。

Then, a new quantitative analysis method, based on the observed dependence of the linear correlation coefficient between spectra of sample analyzed and the spectrum of reference certified samples, was introduced and analyzed for its application.

自相关定量分析通过建立标准参考样品的光谱数据库，将分析样品多次测量的光谱与各参考样品光谱进行相关性分析，依据相关性系数的大小与分布概率，判断分析样品的特性与成分。

Based on the analysis of absorption characteristic of desensitizing dye the free photoelectron decay curves of desensitized silver chloride emulsion exposed by 532nm are measured by microwave absorption and dielectric spectrum detection technology.

在对减感染料的吸收特性进行分析的基础之上，利用微波吸收介电谱检测技术测量了减感后氯化银乳剂在532nm波长曝光下的光电子衰减曲线，通过分析减感染料对光电子强度和衰减的影响，发现在光谱增感波段减感染料通过与增感染料相互竞争的吸(来源：A17B7464C论文网www.abclunwen.com)收光而影响光谱增感乳剂的光电子强度，并且减感染料通过俘获光电子使光谱增感乳剂的光电子的衰减变快。

It's purpose is to develop high temperature particle spectral radiation property measurement equipment, carries out online measurement on high temperature particle, realizes the theoretical and experimental research on high temperature particle optical property, offers different temperature optical property measurement data base.

本课题来源于国家自然科学基金重点项目(编号：50336010)，红外辐射特性及传输的多尺度多参数分析项目的一部分，其目的是研制高温粒子光谱辐射特性测量装置，对高温粒子进行在线测量，通过该装置实现对高温粒子的光学特性的理论和实验研究，提供不同温度下的粒子的光学特性测量数据库。

In Naiman country, Inner Mongolia, the experimental area, the hyperspectral imaging spectrometer data in plant growth seasons are collected by state-produced airborne hyperspectral imaging spectrometer OMIS-I, and the ETM+ image is also obtained. Meanwhile, ground investigation and measurement are made, which include the measurement on reflection feature of different kinds of geo-targets and the ground investigation data necessary for spectral rebuilding and retrieval models of the appraisable factors of desertification monitoring.

本研究以内蒙古奈曼旗作为研究试验区，采用我国自行研制的机载高光谱成像光谱仪OMIS-Ⅰ，在植被生长季节取得高光谱分辨率成像光谱仪数据和ETM~+图像，并进行了同步的地面调查及量测，包括不同类型地物反射特性量测和光谱重建以及荒漠化监测评价因子定量反演模型所必需的地面样方调查数据。

The creative point of this dissertation consists firstly in that monochromatic stimuli instead of combined spectral power distribution were used as visual object, and spectral luminous efficacy curves were drawn from the performance-based method; Comparison between performance-based method and brightness-matching method was then done and therefore connection between these two methods was developed; One more creative point is that the analysis based on the theory of neurophysiology and psychophysics leads to the conclusion that contribution of the colour channel during visual information processing is reflected from performance-based method, which should be considered when CIE develops the new mesopic photometry system.

论文的新颖之处在于实验中使用了单色光谱代替复合谱或物体色作为视觉目标，在分析中间视觉状态下视觉功能的光谱响应特性的基础上反推了人眼的光谱光视效率函数；论文更进一步验证了基于视觉功能法和传统的视亮度匹配法之间的联系，在两种方法之间构造了一座桥梁，为基于视觉功能法的使用初步建立了理论依据；同时论文创新地采用心理物理学的方法进行实验和结合物理学和视神经生理学的知识对实验结果进行分析，从而从视觉信息处理的神经机制层面证明了基于视觉功能法获得的结果包含了视觉颜色通道效应，并对CIE在建立新的中间视觉光度学系统时要充分考虑这一视觉颜色通道的影响提出了建议。

For meeting the needs of automated real-time dynamic monitoring of heavy fog events by means of a weather satellite remote-sensing technique for specialized meteorological services like military operations and highway traffic, the paper presents a systematic study of spectral characteristics of visible and infra red light, the textures and dynamic dispersals of fogs on satellite imagery in the context of theory on the transmission of atmospheric radiation, thereby revealing their abruptness, waviness and mass-like features, which, in combination with a synthetic technique for cloud/fog maps of multi-channel remote-sensing spectra are used to set up a model for automatic separation of fogs from clouds based on the integrative application of spectral features and texture structures, for which are constructed corresponding discfiminant functions and criteria, and on this basis prepared is a"system for remotely-sensing monitoring of low cloud and heavy fog"which has been used for tests, with the main conclusions shown as follows.

本文针对军事和高速公路等专业气象服务中应用气象卫星遥感技术对大雾进行自动化实时动态监测的实际需要，从大气辐射传输理论入手，系统地研究了气象卫星遥感图像上云雾的可见光和红外光谱特征、纹理结构特征和大雾的消散动态特征，揭示了雾的突发性、波动性和团状雾特性，通过研究多通道遥感光谱的云雾图像合成技术，建立了综合应用光谱特征和纹理结构特征的云雾自动分离模型，给出了相应的判别函数和判别准则，研制了&低云大雾遥感监测系统&，并进行了实际应用试验。

We adopted DCJTB and TBPe to make two homochrom OLEDs as the red and blue dyes, the configurations are respectively as follows: ITO/CuPc(15nm)/NPB(50nm)/Alq3(30 nm):rubrene: DCJTB(6.1)/Alq3(30nm)/LiF(1nm)/Al(100nm),(x=2,3.7,4.2,5 nm,the dopped concentration is 1.1%,2.1%,2.3% and 2.8% respective -ly) for red OLEDs and ITO/CuPc(150 nm)/NPB(500 nm)/ADN(300 nm):TBPe(30 nm)/Alq3(350 nm)/RbF(20 nm)/Al(1,000 nm)for blue OLED. We discussed the electroluminescent mechanism and the infection of the dopped concentration of rubrene on the perform -ances of red OLEDs; And after a lot of designments and manufactures we found an integrated and reasonable scheme,and carried out some test -ings and discussions on the characteristics of current -voltage curve, efficiency- voltage curve and luminescence-spectrum curve and so on. Subsequently,we made two kinds of WOLEDs.

然后分别采用以DCJTB和TBPe作为红色、蓝色发光染料制作了两种单色OLED器件，制备了器件结构为ATO/CuPc(15nm)/NPB(50nm)/Alq3(30 nm)：rubrene：DCJTB(6.1 nm)/Alq3(30nm)/LiF(1nm)/ Al(100nm)，(其中x=2、3.7、4.2、5nm，rubrene的掺杂比例为1.1%、2.1%、2.3%、2.8%)的红光OLED器件和结构为ITO/CuPc(150 nm)/NPB(500 nm)/ADN(300 nm)：TBPe(30 nm)/Alq3(350 nm)/RbF(20 nm)/Al(1，000 nm)的蓝光OLED器件；讨论了红光OLED器件的发光机理，以及rubrene的掺杂浓度对发光效率等性能的影响；从蓝光器件的设计和制备入手，摸索出了一套完整而可行的制作方案，分别对器件的电压-亮度特性、电压-发光效率特性及发光光谱等特性进行了测试与讨论。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。