Measurement theory of coaxial line phase water cut meter and flowing feature of water oil two - phase flow have been studied in this paper . and it has been found that the response of coaxial line phase water cut meter is not only related to water cut , but also related to temperature , salinity of formation water and flowing characteristics . based on soft - measuring theory and operating theory of the meter , soft - measuring model of coaxial line phase water cut meter has been set up with directly obtainable facts such as flux , temperature of oil and water mixture and salinity of formation water 本文在对同轴线相位法含水率计的测量机理和油井两相流动特性研究的基础上，揭示出同轴线相位法含水率计的仪器响应除了与油井含水率有关之外，而且还与油水混合介质的温度、地层水矿化度以及两项流动状态有关；结合软测量技术理论和同轴线相位法含水率计本身的测量机理以及与仪器响应有关的可以直接测量的流量、油水混合介质的温度、地层水矿化度等参数，建立基于同轴线相位法含水率计机理的软测量模型。
The measuring range of coaxial transmission line phase water cut meter is 0 - 100 % . therefore , it can meet present situation of oilfield exploitation , which for most oil wells water cut is high , because of the using of water - driving in oil production , while for some single well or different layers in a well water cut is low 同轴线相位法含水率计的测量范围为0 100 ，适应了当前油井以高含水率为主，而单井含水或单井不同层段的含水可能较低的油田开发状况。
The principle of angle measurement of short - baseline interferometer is that using phase difference between returning signals to obtain the angle of the target . the method has high precision , but has the phase ambiguity problem inevitably , the article give the explanation to the short - baseline interferometer about these two questions 短基线干涉仪测角的基本原理是相位法测角,即利用系统中不同接收站之间的相位差来获得目标的方位角信息,具有测角精度高的优点,但却不可避免的存在着测角模糊的问题,文中对短基线干涉仪这两个基本问题进行了说明。
The first one , which is based on the method of phases , aims to analyze the queueing system of an on / off traffic source , whose on and off time - length distributions are heavy - tailed . the second one can estimate number of users in on state as well as their respective bandwidth available . thus , with the combination of these two algorithms , performance of the mupma protocol in terms of the throughput and average packet queueing time can be evaluated 本文的主要内容和创新性结果如下： 1 .提出了两个排队系统的分析算法：第一个算法基于相位法，对on期和off期都服从“重尾”分布的on / off信源的排队系统进行了分析；第二个算法用来确定网络中处在on状态的节点的个数，以及每个处在on状态的节点能够分配到的信道资源。
By simulating mathematically on frequency and on space , we can find the average speed of space field and the average speed of frequency field that is weighted by amplitude , and analyse their relation , and analyse the meaning of space speed variance x and frequency speed variance v . in the fourth part , how to ensure the height of cloud is introduced , and basing on the theory of wind field continuity , the height updating quality controlling is introduced . in the fifth part , the system of cloud wind is introduced , we tracked cloud - motion of consecutive satellite images with one - minute interval by the 1 - d fourier analysis technique and the two - dim fourier analysis technique and the fft analysis technique , and dispose them with quality controlling . in the sixth part , we summarized our research and put up with shortages of this article 模拟模块内各点的速度线性变化时，得到空间域平均速度以及频率域以振幅为权重的平均速度，分析了空间域平均速度和频率域以振幅为权重的平均速度的关系，并揭示空间域的平均速度的标准差_ x和频率域的振幅为权重的平均速度的标准差_ v的意义，以及它们之间的关系；第四章介绍了云迹风系统的高度指定以及风矢高度的划分，并根据风场连续性原理，介绍了高度调整法的质量控制；第五章介绍导风系统的流程，选择了三个时刻的ir云图，分别用一维傅立叶相位法、二维傅立叶相位法和快速傅立叶算法计算一个风场个例，并对所得风场进行质量控制，并给出风场图；第六章进行研究总结，指出不足和有待于进一步研究之处。
2 - d fourier technique could compute horizontal and vertical speed of cloud motion in the same time , so it can avoid the error caused by 1 - d moving supposition in the 1 - d fourier technique . in this part , the 2 - d fourier technique theory was introduced , and a numerical simulation was given in this paper . in the third part , we compared the 2 - d fourier technique with the 1 - d fourier technique , analyzed their problems and found ways to resolve them 用二维傅立叶相位分析法导风，同时计算水平和垂直方向的风速，能够避免一维傅立叶相位法导风中一维平移假设带来的误差，文中介绍了二维傅立叶相位法导风的基本理论和风速计算方法，并给出二维傅立叶导风技术的数值实验。
Measurement accuracy of phase - shift laser range finders is up to millimeter level in large range through multi - frequency modulation and high precision phase difference measurement . however , laser range finders existing is not suitable for large range high speed tracing measurement for their complex multi - frequency modulation circuit and conflict between precision and speed in phase - shift measurement . in order to improve the large range measurement speed and accuracy , key technologies on multi - frequency modulation and high precision phase - shift measurement are deeply researched in this paper 相位法激光测距采用多频调制和高精度的相差测量技术可以在大范围内实现毫米甚至更高精度的测量,但现有的测量装置由于存在多频调制电路复杂和没有很好的解决相差测量的高精度和快速测量之间的矛盾问题,使得相位法激光测距很难应用于大范围目标快速的跟踪测量。
In the forth part , the system of cloud wind was introduced and the algorithms of tracking cloud motion with two sequential satellite images by the 1 - d fourier analysis technique was given . in the fifth part , we tracked cloud - motion of consecutive satellite images with one - minute interval by maximum correlation matching technique and the 1 - d fourier analysis technique . compared with the data provided by eumatsat , the velocities which are computed by the 1 - d fourier analysis technique are better than that computed by the maximum correlation matching technique )和_ f在导风过程中所代表的物理意义和实用价值；第四章介绍导风系统的流程，给出用傅立叶相位法对连续两幅云图导风的具体算法；第五章分别用相关系数法和傅立叶相位法计算了一个风场个例，通过与欧洲中心提供的风场数据进行点对点比较，发现傅立叶相位法计算的风速要好于相关系数法计算的风速，而两种方法得到的风向较为一致；第六章进行研究总结，指出不足和有待于进一步研究之处。
The algorithm , basing on convolution filtering technique and the fringes " gray values max - min distribution , can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement . the new algorithm makes image processing much caster and the technique of object shapes measurement more automated . the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed 本文采用投影光棚相位法和数字卷积滤波技术：根据栅线的条纹灰度值分布具有极大极小分布的特性，提出卷积滤波形貌光学自动检测的图像处理方法，有效地实现了频谱自动移位，从而进一步提高了图像处理的速度和形貌测量技术的自动化程度；同时对采用两光学主轴相交，且非远心投影系统所产生的误差进行了分析，并提出了修正方法。
This paper takes the high spacial - differentiating remote sensing image material as research objects , studies and realizes four feature - oriented image segmentation methods : orient phase method , fuzzy threshold with genetic algorithms method , gaussian markov random field model texture segmentation method and moment feature - based texture segmentation , analyses their fundamental theories , their merits and drawbacks in detail , and validates them by some experiments 本文以高空间分辨率的遥感资料为对象，研究和实现了四种面向特征的图像分割算法：方向相位法、结合遗传算法思想的模糊阈值分割方法、基于高斯马尔科夫随机场模型的纹理图像分割方法和基于矩特征的纹理图像分割方法，详细分析了它们的原理和各自的优缺点，并用具体实验进行了验证。
