Two basic microwave approaches are used to measure soil moisture, one is passive which is based on radiometry and the other is active and uses radar. 微波遥感测量上壤水分的方法主要分主动和被动两种,它们都是基于干燥土壤和水体之间介电常数的巨大差异。
Application of LED in optical radiometry and research progress in the field are introduced, and a bright future has been brought forward. 简要综述近年来发光二极管在光辐射测量中的应用以及国内外这一领域的进展,展示了其广泛的应用前景。
The radiometry in oil exploration introduced in this paper is a new method of oil reconnaissance survey. 本文介绍的油气勘查中的放射性测量,是一种油气普查新方法。
Quasi-optical networks ( QON) were widely used in the remote sensing radiometry system embedded in the satellite platform. 准光系统广泛应用于星载遥感系统中。
Research on theory and application of laser-induced infrared radiometry 激光诱导红外辐射线检测技术的理论与应用研究
The detective sensitivity of the photothermal radiometry ( PTR) spectrum technique is discussed and the absorption edges of Cu_2O and GaAs are measured. 着重讨论了光热辐射光谱(PTR)技术的探测灵敏度问题,用该方法测量了Cu2O和GaAs两种材料的吸收边。
A method to measure thermal diffusivity of opaque materials by a laser photothermal radiometry technique is introduced in this paper. 报道了一种用激光光热辐射技术测量不透明材料热扩散率的方法。
Secondly, derived from the theory of colorimetry and radiometry, the basic methods we need in measurement of chroma, radiation and optical medium characteristics have been derived. 然后,从色度学和光度学等科学的角度出发,推导了用于色度、光度以及光学介质特性测量的理论基础。
Study on detective sensitivity of photothermal radiometry spectroscopy 光热辐射光谱探测灵敏度的研究
In experiments, we used the2793K halogen tungsten lamp to irradiate the detector of CCD143A and measured the values of photometry and radiometry. 在工作实验中,使用了2793K卤钨灯照射CCD143A光电器件,同时分别测量了光度量与辐射度量,其结果与计算值相近。
The definition of spatial resolution in the PTR ( photothermal radiometry) system is given. The influence of incident beam size on spatial resolution is investigated. The theoretical anlysis and practical measurements show that focused incident beam improves the spatial resolution of the system greatly. 给出了光热辐射测量(PTR)系统空间分辨率的定义.研究了入射光光斑尺寸对空间分辨率的影响.理论分析及实验研究表明,聚焦后的入射光能大大提高系统的空间分辨率。
The main work concerned is as follows: This thesis presents the theory of radiometry and transmission character of radiant energy. Based on Planck's law, the theories of radiation temperature measurement are introduced, which are the basic of radiation thermometry. 讨论了辐射度量学和辐射能的传输特性,然后从普朗克公式出发,分析了辐射测温的一些基本定律,这是辐射测温的理论基础。
Relations between radiometry and photometry in the multispectral technic 多光谱问题中辐射量与光度量之间的关系
Layered Model and Calculation of Pulsed Modulation Photothermal Radiometry 脉冲调制光热辐射测量的分层模型与计算
The technique to measure the electron beam energy accurately with Compton backscattering technique is introduced and requirements for the experimental stations of radiometry are also described in the paper. 简单叙述了采用康普顿背散射技术精确测量电子束能量的技术,并指出建立辐射标准实验站对精确电子束能量测量的需求。
Based on the characteristic matrix of a lamellar structure, a matrix method about thermal wave transmission and reflection coefficients is presented, and a calculating formula for photothermal radiometry signal of the multilayer media is given. 从介质层的特性矩阵出发,导出了多层介质热波透射系数和反射系数的矩阵计算公式,并由此推出多层样品光热辐射信号的表达式。
This paper presents the standard questions of integrating infrared radiometry. 本文讨论了红外辐射计量标准问题。
α-tracking method is an indirect radon-detecting of radiometry, which has extensive prospects of application. α径迹法是一种间接测量氡射气的放射性探测方法,具有广泛的应用前景。
Data processing method of pulsed photothermal radiometry based on image. 基于图像的脉冲光热辐射测量的数据处理方法。
Emissivity is an important parameter in radiometry. 比辐射率是辐射度学中的重要参量。
A non-destructive remote technique for obtaining depth profile of laser processed metals by laser-induced IR photothermal radiometry is reported. 介绍了一种用激光诱发红外光热辐射法对金属材料激光表面硬化层进行深度剖析的新技术。
The Blackness Mesurement of a Radiator Blackness is an important parameter in the radiometry. 黑度是辐射学中的重要参量。
The three-dimensional model of continuously modulated PTE ( Photothermal Radiometry) is established. 建立了连续调制光热辐射测量(PTR)的三维理论模型。
Laser dosimetry belongs with the realm of optical radiometry. 激光剂量学归于光辐射测量学科。
Photothermal Radiometry Measurements of Coatings on Metal 光热辐射技术对金属表面涂层的非接触测量
Laser radiometry on PDT research PDT研究中的激光辐射测量
The characteristics, principles and measuring equipment of photothermal radiometry are described. A brief introduction to the measurement of thermal diffusivity of solid materials, nondestructive evaluation of surface scars and inner defects of matter is given. 描述了光热辐射测量技术的特点、原理和测量装置,并扼要介绍了材料热扩散率、材料表面伤痕和内部缺陷的无损检测。
The optical absorption coefficients of individual Asian epidermis were deduced based on pulsed photothermal radiometry. Secondly, the important role of skin cooling in skin lesion light treatment was discussed. 基于脉冲光热辐射度量术并利用所测量的实验数据推导了活体黄色人种皮肤表皮光学吸收系数。其次,研究了皮肤冷却在实现皮肤选择性光治疗中的重要作用。
According to one dimension 32 channel 8mm radiometry arrays detecting stealth target, a simulation is presented. 在建立的理论模型基础上针对一维32通道8mm波辐射计阵列探测空中隐身目标进行了仿真实验。
In this thesis, the reconstruction of depth profile of thermal conductivity of case hardened non-flat samples using photothermal radiometry is investigated. 本论文研究了基于光热辐射技术的非平面金属样品硬化层的热导率深度轮廓重建技术。