查询词典 blackbody

A simple and efficient measurement method was also planned to measure the spectral radiant intensity of a blackbody and a hot plume.

用此方法测量了黑体和热喷流的光谱辐射强度。

One is to calculate emissivity, the other is to get blackbody's energy. This software also put forward two new kinds of method for measuring temperature, self energy spectrum contrast and summit wavelength thermometry.

软件不仅完善了原设备的功能，同时研究开发了新的功能：进行辐射系数的计算和分析；标准黑体的能量计算；提出了两种新的测温方法——自能谱比较法和峰值波长测温法。

In order to calculate the integral of the Planck's blackbody formula within a limited region, trapezoid method and Simpson's method two kinds of numerical integral methods were used, and the analysis and comparison were carried on.

对普朗克黑体公式有界域内的积分，利用梯形法和辛普森法两种数值积分方法进行了分析和比较。

Through the analysis, to make use of the trapezoid method and Simpson's method to obtain the radiant emittance value of blackbody within a limited region conveniently.

通过分析可知，利用梯形法和辛普森法能够方便地求出黑体在有界域内的辐射出射度值。

The method takes the following steps:(1)to calculate the distribution of the effective emissivity of the subcavity,(2)to calculate the distribution to subcavity opening of the effective emissivity of the subcavity l and (3)to calculate the integrated emissivity of a multi -celled large-area blackbody.

应用该方法，计算了作者所研制的蜂窝面黑体的积分发射率并对计算结果进行了分析，分析结果表明该方法是切实可行的

Arc plume emis— sion spectrum which fits the Planck blackbody radiation function by assuming T=4 350 K shows Swan band system of C2.The arc plasma temperature is about 4 300~4 400K,and the error is about 100K.

放电过程中的电弧等离子体光谱测试表明其中主要有C2分子的发射峰，光谱分布曲线与普朗克黑体辐射曲线中T=4 350 K的分布情况吻合，确定放电电弧等离子体温度约4 300~4 400k，测量误差约100 K。

The blackbody cavity as a reference source calibrates the system. The design considered the influence of the change of instrument internal stray radiation with the temperature on the measurement result and presented corresponding correction method by water bath.

也可用于对煤粉、燃气等火焰的光谱辐射进行测量，不仅可得到火焰的温度和发射率，还可为燃烧机理的研究、燃烧室的设计改进以及燃料燃烧效率的提高提供重要信息。

Relation equation between blackbody temperature and two color gray ratio of thermal radiation image was set up.

3进行激光熔池测温专用软件需求和可行性分析，描述了激光熔池热辐射图像的数据流程，采用模块化思想进行软件设计，基于数字图像处理技术，开发出一套激光再制造熔池测温专用软件，详细介绍了热辐射图像的数据采集、输入/输出、图像处理、温度计算模块及程序设计开发。4介绍了常用黑体辐射源的结构、加热控温方式和性能评价方式，对不同类型的黑体辐射源进行了详细描述，选择中国计量科学研究院的标准高温黑体辐射源进行温度标定，建立了热辐射图像比色值与温度之间的对应关系。

Calibration blackbody is the important part of infrared scanner, its performance will affect the quality of infrared imaging.

定标黑体是红外扫描仪的重要组成部分，其性能的好坏会影响到红外成像的质量。

In addition, evidence for high energy excesses above blackbody spectra was also found in the bursts.

另外，在X射线暴中也发现了高出黑体谱的高能超出的迹象。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。