Logging method and pre - processing method of logging data have been ascertained for the logging tool formed by coaxial line phase water cut meter and other function units such as temperature meter and flow meter . data of 10 oil wells obtained by the logging tool has been interpreted using the soft - measuring model , and the result is accordant with data of ground measurement . it indicates that the soft measurement model of coaxial line phase water cut meter has high interpreting precision 确定由同轴线相位法含水率计组成的组合测井仪的现场测井方法以及测井数据资料的预处理方法，并利用软测量解释模型对现场所测10口井的资料进行解释，结果与地面计量符合较好，说明同轴线相位法含水率计的软测量模型在现场测井解释中具有较高的解释精度。
1 - d fourier technique is based on 1 - d moving supposition , but cloud motion is not only horizontal but also vertical , so the error would come into existence . the error in tracking cloud motion by 1 - d fourier technique was analyzed . in the second part , 2 - d fourier technique was put forward 一维傅立叶相位法基于一维平移假设，而实际上风既有水平方向的速度又有垂直方向的速度，即一维平移假设不能满足，文中指出一维傅立叶相位法导风中由于一维平移假设所带来的误差。
In the first part , the research progress of cloud motion wind is introduced and the significance of the fourier phrase analysis technique was given . in the second part , based on fluctuation theory and fourier phrase analysis , the one - dim fourier analysis technique on cloud motion winds is deduced , and the error of the technique is analyzed . in the third part , basing on the one - dim fourier phrase analysis technique , the two - dim fourier phrase analysis technique is given , and improved the arithmetic of fast fourier transform ( fft ) 本文由六章组成，第一章介绍云导风技术的研究进展和傅立叶导风技术的研究意义；第二章以波动理论和傅立叶变换为基础，对一维傅立叶相位导风技术进行理论推导和误差分析；第三章基于一维傅立叶相位法导风，给出二维傅立叶相位法导风的理论分析，并对该算法进行了改进，加入了快速傅立叶算法。
Based on the method of engineering measurement of 3d object surface , this dissertation studies the theories and applications of ftp . it consists of the following contents : the mathematical model of each phase measurement method is analyzed . the relationship between the phase and the height is introduced 本文围绕ftp三维物体表面轮廓工程测量方法，从理论和实践两方面进行了深入研究，其内容如下：分析了各种相位测量方法的数学模型，阐述了高度和相位之间的转换关系，对相位法工程测量原理及工程测量过程进行了详细分析。
Comparing with the traditional phase - shifted laser range finder , the method could implement the ranging with multifrequency by using single modulated frequency . it could not only solve the contradiction of the range and the precision , but has high degree of accuracy and wide range , simplify the hardware design , and reduce the cost . this paper introduced the theory of phase distance measurement , analyzed various testing methods and expatiated the hardware and the software for the proposal system 与传统的相位法测距相比，本方法使用单调制频率实现了多频测距，有效地解决了相位法测距中测程与测量精度之间的矛盾，具有高精度、大量程、大噪声容限的特点，而且简化了硬件设计，降低了成本；其次在数据处理中采用数据加窗函数的方法，提高了方波信号的频谱分辨率，进而提高了测量的精度。
