查询词典 affine parameter

In order to research and exploit apple seed resource,the main nutritional ingredients and physicochemical parameter of apple seed and oil were analyzed.

为了开发和利用苹果籽资源，采用常规及仪器分析的方法对苹果籽的主要营养成分、氨基酸组成，苹果籽油的脂肪酸组成和理化指标进行了分析测定。

A computerized welding arc spectrum information sampling and processing system are developed to study of the ultraviolet spectrum distribution feature. Corresponding softwares also is developed. A process for sampling the ultraviolet spectrum automatically and the real-time monitoring of welding parameter are realized. based on the principles of the physics of arc and spectroscopy the information of welding arc ultraviolet spectrum sampled is changed and processed.

焊接电弧紫外光谱信息的计算机采集与处理系统*韩国明吴钊柳刚云绍辉李俊岳摘要以焊接电弧紫外光谱的分布特征为研究对象，研制了一套焊接电弧紫外光谱计算机采集与处理系统并开发了相关软件，实现了紫外光谱采集过程的自动化、焊接电流与电弧电压的实时监测，并在电弧物理和光谱学原理的基础上，对采集的焊接电弧紫外光谱信息进行变换和处理。

The experimental results of the two models of the brick house with arch floor whose rise to span ratio is 1/10 and 1/6 respectively are given in this paper, and then a mechanical model with clastic support for the whole model house is established, its displacement response is analyzed by using frequency response function method, a corresponding frequency response function is derived, and model stiffness parameter for different stages is discussed.

本文给出了矢跨比分别为1/10和1/6的两幢二层砖拱楼盖房屋模型的振动台试验结果。对整个模型房屋建立了弹性支承杆系力学模型，用频率响应法分析了模型的位移反应，导出了相应的频率响应函数，并对各阶段的模型刚度参数进行了讨论。

First, use OTSU method to make license plate image binarization, and then use genetic algorithm to map the entire license plate matching search feature. With a fitness function formed by the area character vector, the optimal locating parameter of the plate area was found.

先用最大类间方差法对车牌图像进行二值化，然后利用遗传算法对全图进行车牌特征匹配搜索，结合区域特征向量构造的适应度函数，最终找到车牌区域的最佳定位参量。

Information entropy, coincidence degree and its standard errors of axle centre trail quadrant area vector under different bearing states are extracted, the sensibility degree of the different parameters for the bearing states in different quadrant division is analyzed. By modifying the parameter compute method, the sensibility degree is improved.

提取各典型状态下轴承轴心轨迹象限面积向量的信息熵，和多周期面积向量的重合度以及重合度标准差，分析在不同象限划分下，各特征参数对状态的敏感程度，通过改进特征参数计算方法，提高对状态的灵敏度。

Choosing the material model and the algorithm,three dimensional numerical simulation of anticartridge effect for certain aluminum alloy was realized and the parameter variation was demonstrated during the armor-piercing process.

通过选择合适的材料模型和算法，直观地演示了整个穿甲过程中各参量的变化，较好地实现了某型铝合金抗弹效应的三维数值模拟。

In this paper Ⅰ successfully applied these methods to fault diagnosis, and presenting some new innovative machinery fault diagnosis method; First Ⅰ present a new gear wornout fault diagnosis method, this method use the vibration signal's time-frequency attribute and instantaneous phase undulation to accurately detect gear's fault, and by comparing with the traditional frequency domain analysis method, this method reveals that many nonlinear and nonstationary characteristic exist in gear's vibration, this tell us that if we use frequency domain analysis method without pay attention to the signal's characteristic, we could get wrong diagnostic result; Then Ⅰ present a new bearing fault diagnosis method, this method use ATVFD and Hilbert transform to do envelop demodulation,Ⅰ analyze the envelop with time-frequency method and find out that this method is more accurate then traditional method.Ⅰ also explain that the modulation of the fault to the carrier wave may also be non-stationary and nonlinear; Finally Ⅰ present a cylinder pressure measurement method of diesel engine by means of vibration, cylinder pressure is an important parameter of diesel engine fault diagnosis, the pressure measuring is simplified a lot by this method,Ⅰ also use the ATVFD and time-frequency analysis to realize it.

本文中将上述理论方法成功地应用到故障诊断中去，提出了几点创新性的诊断方法；提出了一种齿轮磨损故障诊断的新方法，该方法利用振动信号能量的时频域分布特征与瞬时相位波动特征可以进行精确的齿轮故障诊断，并通过与传统的频域诊断方法的比较，揭示出齿轮振动中存在的明显的非线性与非平稳特征，说明了不加选择地利用频域分析方法进行齿轮故障诊断很可能会得到错误的诊断结果；提出了一种轴承故障诊断的新方法，该方法利用ATVFD分解与Hilbert变换进行包络解调，并对解调得到的包络信号进行时频域分析，可以实现更加准确轴承故障诊断，说明了故障对载波信号的调制往往也是非平稳与非线性的；提出了一种利用振动信号进行柴油机汽缸内压力检测的新方法，柴油机汽缸压力的变化是柴油机故障诊断的重要参数，利用振动方法可大大简化汽缸压力的检测过程，该方法也是综合利用ATVFD分解与时频域分析方法实现的。

this article is research of application of 3d design software ug carries on the components entity design and movement analysis to the boring lathe main axle system.through the method of virtual design and analysis, obtains the design manufacture or the optimized design reference information and data .first complete the boring lathe main axle system's entity components modelling and assembles using the ug formidable entity modelling function and the assembly function,and then establishes the scenario model under the ug organization analysis function module and completes the movement to analyze.obtains on the main axle components the specified point speed, the acceleration and the displacement on a ideal characteristic parameter and output analysis result of obtains office of destination law of motion by the graph form.

本文是应用3维软件ug对镗床主轴系统进行0件实体设计和运动分析的研究。通过虚拟设计的方法进行设计与分析，得到设计制造或者优化设计的参考信息和数据。应用ug强大的实体造型功能和装配功能首先完成镗床主轴系统的实体0件建模和组装，再对装配好的组件在ug机构分析功能模块下建立scenario模型并完成运动分析，得到主轴0件上特定点的速度、加速度和位移等理想的特征参数并以图表的形式输出分析结果得到指定点的运动规律。

And on this basis, through applying optimum design theory combined with the finite element analytical method, the universal shaft of the mill was restructured and promoted parameter scheme for the cross axle type universal shaft was presented.

并在此基础上，采用优化设计理论与有限元分析相结合的现代设计方法，对轧机万向联轴器结构进行了设计，提出了该万向联轴器结构改进及参数优化方案。

Methods The reverse feeding turning is used, and a series of effective measures are taken, such as selecting optimum tool parameter and cutting allowance, using a stretching apparatus and an axle sleeve follow-rest.

采用反向进给车削，配合以最佳的刀具几何参数、切削用量、拉紧装置和轴套式跟刀架等一系列有效措施。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48