To reduce the amount of heat load in the thermometer due to electrical leads of heat conduction , to improve the accuracy of measurement temperature , it is very important and virtual means to utilize heat sink 摘要为了减小引线导热在温度计上的热负荷，提高温度测量的精确度，并保证有效地减小温度计的传导热，热沉的利用是经常而必用的手段。
For the purpose prolong the operational life span , overstress is prohibited because the elastic cell is subject to damage , while the elastic cell shall be kept working within its elastic range , so as to ensure the accuracy of measurement 为了延长仪表的使用寿命，避免弹性元件因受力过大而损坏，同时弹性元件应工作在弹性范围内，以保证测量的精度。
Based on the verification regulation of prt , this paper studies the temperature characteristics of prt , suggests a method of improving the accuracy of measurement and supplies the uncertainty of calibration point 摘要分析了检定规程对铂电阻温度计的要求，通过研究铂电阻温度计的测温特性，提出了提高铂电阻温度计测量精度的方法，并给出了在温度校准点的测量不确定度。
Secondly , we have obtained plenty of chaotic data , and presented a new method derived from neural network theory to process the symbolic series , which improves the accuracy of measurement . thirdly , we use the chaotic system to measure frequency 其次，实验中测得了大量的混沌数据，在神经网络模型的启发下提出了一种新的符号序列去噪算法，应用该算法提高了测量精度。
Like conventional gamma - ray spectrometry measurement method , the calibration of detection efficiency in tgs is an essential important work , the accuracy of the calibrated detection efficiency directly affects the accuracy of measurement results 关于tgs探测效率刻度问题，它与常规能谱测量一样，探测效率的刻度是一项必须要做的最基本的重要工作。探测效率刻度的准确与否是直接影响测量结果准确度的关键因素。
An economical and effective new technology using sound card is proposed in this paper . it collects the leakage current from high voltage insulator , and then deals with the noise elimination using wavelet analysis . compared with the traditional signal analyzing method , the wavelet analyzing technology not only can distill the leakage current signal from the noise precisely , but also can distinguish the low quality character of leakage current signal . this method plays an important role to the device in early fault diagnosis , and can improve the accuracy of measurement and fault diagnosis in the application 介绍了一种利用电脑的声卡对高压绝缘子的泄漏电流进行采集的经济有效的新技术,并通过小波分析技术对所获得的信号进行消噪处理.与传统的信号分析方法相比,小波分析技术不仅能从噪声中准确提取待测泄漏电流信号,同时又可真实复现泄漏电流信号中的劣化特征,这对设备的早期故障诊断具有重要意义.显著提高了测量的准确度,增强了设备故障诊断的准确性
In the course of measurement of workpiece face runout , variance method of the most species based on separability and image edges distilling based on morphology and marr filtering based on edges segmentation are used to enhance effectively accuracy of image segmentation and edges distilling . accuracy of measurement of face runout is enhanced effectually by use of least square method of compressing rectangle fitting edge of image and transforming of dft 该系统在工件端面跳动测量过程中，采用了基于可分性的最大类间方差法和形态学边缘提取以及基于边界分割的marr算法，使图像分割和边缘提取的准确性得到了很大的提高；用压缩矩形的最小二乘法拟合工件端面图像的边缘以及用dft变换对工件端面的跳动量进行测量，使端面跳动测量的准确性得到了很大的提高。
Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved . the volume of the bubbles can be estimated on the bubbles " area information , and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences , which solve tracking problem under complex conditions efficiently , such as some bubbles may have kinetic occlusion and crossover , some newly generated bubbles may entered into flow field and run away . a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized 根据气泡在图像平面中的面积估计气泡的体积，并对流场中的所有气泡采用遗传算法进行最佳的匹配跟踪，有效地解决了气泡群在流场中出现如遮挡、交又、新它‘出现、逃逸等复杂情况下的准确跟踪，并采用三次样条插值方法对离散的质心点轨迹进行拟合，得到气泡在流场中平滑的运动轨迹，从而实现了掺气水流特性的可视化测童。
This text draws the basic principle of infrared diagnoses based on the primary knowledge of infrared radiation , and analyse the imaging principle of infrared devices ; from the view of infrared diagnostic technology we discuss the fault models and the principium of infrared diagnosis on electrical equipments ; then this paper research the diagnosis of electrical equipments fault by using infrared devices , obtain the hot picture atlas of equipment fault and analysis the hot picture atlas ; the text analyse the various kinds of possible factor which might effect the results of infrared diagnosing in electrical equipments , and propose correspondingly countermeasure against these factor in order to improve the accuracy of measurement ; finally , by using infrared diagnosing techniques analyse and diagnose the interior or exterior fault in part of transformers and arresters in electric network of si chuan , and the results obtained from the text accord with practice 本文在红外辐射的基础知识上引出红外诊断的基本原理，分析了红外成像仪的成像原理；并从红外诊断的角度研究了电气设备的故障模式及其诊断的机理；研究了利用红外热像仪对电气设备的故障进行诊断，获取设备故障热像图谱并进行热像图谱的分析；对影响电气设备红外技术诊断结果的各种可能因素进行了分析探讨，并针对这些干扰因数，提出了相应的对策，以提高检测的准确性；论文最后应用红外热成像技术对四川电网中的部分变压器和避雷器典型的内外部故障进行了诊断分析，得到与实际相符的结果。
Abstract : this paper describes a new kind of mode field diameter measuring system of single - mode fiber . it adopts reference measuring method introduced by national standard , the far field , scan method . it has high accuracy of measurement , high speed and strong anti - jamming ability and it is easy to be operated . it can not only be used in laboratory but also in plant environment . and it can substitute the same kind of import products 文摘:介绍了一种新型的单模光纤模场直径测试系统，它采用国际推荐的基准测试方法? ?远场扫描法，具有测量精度高、速度快、抗干扰能力强和操作简单的特点，既可用于实验室中，也适合在工厂环境下使用，能够替代同类进口产品。
