| 1. | The main contents of this thesis are as follows : ( 1 ) the technique of sketch profile fitting is studied in this thesis
本文研究的主要内容如下： ( 1 )研究了草图轮廓分段拟合技术。 |
| 2. | The essence of the technique of changing points is to perform fit on the failure data according the failure trend of
移动点技术的实质就是根据软件的失效趋势,对失效数据进行分段拟合。 |
| 3. | A new method of line - spectrum extraction of ship radiated - noise based on part imitate was proposed in this paper
摘要提出了一种基于分段拟合的提取舰船噪声信号功率谱中线谱特征的方法。 |
| 4. | During the course of laser strip skeleton images fitting , the problem of adaptive segment segmentation is resolved , and well robust line segmentation method is present
在激光条骨架图像分段拟合的过程中，重点解决了线段端点的自适应分割问题，提出了高鲁棒性的直线分割方法。 |
| 5. | Then the measured frequency characteristic can be converted to high accurate transfer function with curve fit method , rational initial parameters choice and fitting in different frequency range method
使用曲线拟合方法,辅助以合理的初始参数选取及分段拟合方法,将测量得到的控制对象频率特性转化为高精度的传递函数。 |
| 6. | The method using the part imitate extract the continuous spectrum of the signal spectrum , than extract line - spectrum from the relatively flat line - spectrum by subtract it from the former spectrum
该方法利用分段拟合方法拟合出信号功率谱的连续部分，从原始功率谱中减去连续谱得到拉平的线谱分布，然后进行线谱特征提取。 |
| 7. | Finally , some methods of digital processing techniques , such as polynomial curve fitting and exponential curve fitting and subsection curve fitting , are used firstly to compensate the performance of the detector . the measurement accuracy of the reader is improved , with the validity proved
首次运用了多项式曲线拟合技术、指数曲线拟合技术以及采用分段拟合的技术，补偿检波器的性能，提高了通信系统的测量精度，应用效果显著。 |
| 8. | The analyzable conclusions of the regression model between crown diameter and age show that the utility of unit step function model in the crown growth process with the changing point is better than the usual regression methods , and the unit step function model can solve discontinuance on the changing point
对树冠与林龄的回归分析结果表明：阶跃函数模型在具有变点的桉树林分树冠生长过程中的应用效果优于一般回归拟合模型，可较好地解决分段拟合模型在变点上的不连续问题。 |
| 9. | Aim at the present condition that the permeability of high rank coal reservoirs and its dynamic change regulation have been rarely studied , based on the modern testing technologies and actual measure data of coalbed methane ( cbm ) well with better drainage effect in qinshui basin , using the international advanced cbm well numerical simulation software ( comet2 ) , the dynamic change regulation of the permeability of high rank coal reservoirs during gas recovery has been discussed , using the gas and water recovery process in divided stage is matched
摘要针对高煤级煤储层渗透率尤其是其动态变化规律极少开展研究的现状，基于现代测试技术和沁水盆地排采效果较好的煤层气井实测排采数据，利用目前国际上较为先进的煤层气数值模拟软件comet2 ，采用分段拟合的方法对煤层气井的产气、产水过程进行历史拟合和修正，进而对高煤级煤储层渗透率在开采中的动态变化规律进行了探讨。 |
