校正

Some new investigations are also reviewed of the use of this technique in such fields of electroanalysis as electrochemical parametric estimation, selective electrod...

着重叙述在电化学参数估计、离子选择性电极，电位滴定，平衡常数测定、重叠谱峰的分解及校正等电化学分析领域中的一些新的研究成果。

Some new investigations are also reviewed of the use of this technique in such fields of electroanalysis as electrochemical para- metric estimation,selective electrod...

着重叙述在电化学参数估计、离子选择性电极，电位滴定，平衡常数测定、重叠谱峰的分解及校正等电化学分析领域中的一些新的研究成果。

In the process of SAR image geometric rectification, the accuracy of digital elevation model is very important.

在SAR图像几何校正过程中，数字地面高程模型的分辨率起着非常关键的作用。

Mirror 3 is an ellipsoidal surface that can correct spherical aberration and coma, but the field is curved

镜3是个椭球体，校正了系统的球差和彗差，但还存在像场弯曲

The main research work of this paper are focused on following areas:(1) Based on review of the theory and methods on measurements of particle fields, a new idea for obtaining particle size and velocity distribution within a spray through imaging the particle field with a laser light sheet was put forward;(2) A DPIV (Digital Particle Image Velocimetry) system, is fit for velocity measurements of low speed flows, was developed and expended to particle size distribution measurement;(3) An arithmetic for particle velocity field reconstruction was developed, and the velocity distribution of water mist was also obtained;(4) A software system for particle analysis, which based on image geometry emend, de-noise and image partition was developed, the parameters such as particle size distribution, mean diameter, number of particles, minimum and maximum diameter can be got with this system;(5) A water mist system was developed and its characteristics, such as droplet velocity, size distribution, number of droplets and spray cone angle under different conditions were obtained from experiments with PIVS;(6) The measurement results of water mist characteristics with PIVS were compared and analyzed with the simply simulated results, and in addition, in order to verify the accuracy of PIVS, some experiments were conducted with the standard particles, such as glass-ball with known mean diameter of 50μm and 115μm, metallic coated tracing particle with mean diameter of 12μm;(7) Some experimental studies on interaction of water mist with liquid pool fires were conducted.

本论文的主要工作包括以下几个方面：（1）在对粒子场测量的相关理论和具体方法进行综述分析的基础上，提出了通过采用激光片光对粒子场进行成像以获取其粒径和速度等参数分布的新思路；（2）研制了适宜于低速流动速度场测量的DPIV(Digital Particle Image Velocimetry)系统，并使其实现了对粒子场粒径分布的测量功能；（3）研制了基于粒子运动轨迹的速度场重建算法，获取了细水雾雾场的速度分布；（4）研制了基于几何校正、去噪、图象分割等图象处理方法的"粒度分析软件系统"，该系统既可分析给出粒子场的粒径分布直方图和平均粒径，还可给出粒子的数目以及最大、最小粒径等信息；（5）建立了一细水雾发生系统，并应用上述方法对不同压力条件下细水雾系统的雾场特性（如速度分布、雾滴粒径分布、雾滴的数目、喷雾张角以及雾化长度等）进行了实验测量研究；（6）对细水雾特性参数的PIVS测量结果与计算机简单模拟计算结果进行了定性比较分析，并利用平均粒径为50μm和115μm的玻璃球以及12μm的标准示踪粒子对PIVS系统的粒径和速度测量结果进行了实验验证，同时对其局限性进行了分析讨论；（7）对不同工况条件下细水雾与油池火相互作用的过程进行了模拟实验研究。

Second, the paper discusses how to create the transmission mode and how to emendate it to adapt Xi'an network operation environment.

随后着重论述了无线传播模型的建立和西安市传播模型的校正过程与结果。

Information such as attitude angle of aircraft is used to emendate the large-geometry-distorted image, so the research of this dissertation is based on the hypothesis that images used have small geometry distortion.

针对图像匹配在导航中的应用，提出了对于存在大的几何失真的图像利用飞行器本身信息进行几何校正的方法，所以本文算法的研究都是基于小的几何失真这一假设的。

At first emendate the license plate, then utilize the quality of character, such as width of character and space between character, to segment the character. The method is simple and applied, and the result of segmentation is good.

先对车牌进行校正，再利用车牌字符的先验知识，根据字符的宽度和间距等进行字符的分割，实验表明这种方法简单、实用，获得较好的分割结果。

Information such as attitude angle of aircraft is used to emendate the large-geometry-distorted image, so the research of this paper is based on the hypothesis that images used have small geometry distortion and invariant moment feature is used to reduce this distortion.

由于大的几何失真图像可利用飞行器本身信息进行几何校正，所以本文的研究都是基于小的几何失真这一假设的，并且利用不变矩特征来减小这种失真。

Researching the segmentation algorithm of character. At first emendate the license plate, then utilize the quality of character, such as width of character and space between character, to segment the character. The method is simple and applied, and the result of segmentation is good.

先对车牌进行校正，再利用车牌字符的先验知识，根据字符的宽度和间距等进行字符的分割，实验表明这种方法简单、实用，获得较好的分割结果。

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。