本文介绍了一个基于矩形包络法的微机辅助排样系统。
A computer aided nesting system based on rectangular enclosure method is described in this paper.
本文描述了一个基于矩形包络法的微机辅助排料系统。
A computer aided nesting system based on rectangular enclosure method is described in this paper.
包络法加工复杂异形螺杆比其它加工方法效率高，但仍不能满足用户对高生产效率的要求。
The envelope method of processing special spiral rod is more efficient than others but it cannot satisfy the requirement of the clients.
第三章，先对传统的矩形包络法进行了分析，并指出其中的不足，即会造成大量的原料浪费。
Chapter 3, analyzes the traditional rectangle envelope method, points out its deficiency, which will result in plenty of wastes.
用包络法导出了内齿轮的齿形方程，对压力角、曲率、拐点、顶切进行了详细分析，并给出了计算公式。
The equabions on tooth shape of internal gear by means of envelope method is derived and the pressure angle, inflection point, curvature, topcut are analysised in detail.
由于包络法比齿型法线法应用简便，因此我们采用包络法设计了三种新型螺杆元件，并对其分别进行了流场分析。
Because of the flexibility of enveloping method than dentiform normal method, three new screws are designed by enveloping method with flow field analysis.
在分析经验模式分解存在问题的基础上，改进了经验模式分解的算法，提出用窗口平均法取代原极值包络法来计算局部均值。
Based on the analysis of some problems in the method of empirical mode decomposition, the algorithm of empirical mode decomposition is improved in this paper.
本文研究了加工经可控曲率修正的蜗轮齿面的滚刀设计问题，建立了相应的数学模型，并应用计算铲磨蜗轮滚刀刃形曲线的单参数包络法，求出铲磨砂轮截形曲线。
This paper studies the relief grinding problem of the hob of point contact worm gear drive and puts forward a one-parameter enveloping method to calculate the axial profile of relief grinding wheel.
采用数据包络分析法(DEA)结合成本动因理论，根据生产过程中消耗的各种业务量估计制造费用。
In this paper Data Envelopment Analysis (DEA) and cost driver theory are combined to estimate the manufacturing overhead according to all kinds of activities and resources used in production.
运用数据包络分析法，以河北省15家主要高新技术开发区为研究对象，对其进行投入产出相对效率分析。
This paper employs the methodology of Data Envelopment Analysis to investigate the input-output efficiency of 15 high and new technology enterprise development zones in Hebei.
并用齿型法线法和包络原理推导出共轭曲线数学模型。
Mathematic models of conjugate curves were deduced via enveloping theory and dentiform normal method.
利用数据包络分析法(DEA)对2004年中国15个主要城市创意产业的投入产出效率进行了总体分析与评价。
This paper evaluates the input and output efficiency of the 15 main cities' creative industry of 2004 in China by Data Envelopment Analysis (DEA).
并且证明，法面双圆弧齿轮的每一段端面齿廓都是对应椭圆曲线段在相对运动中的包络曲线。
Moreover, the extreme shape of the normal double circle gearing proves to be the involved curve of the corresponding ellipse.
对机械故障中常见的调制信号，包络分析法是一种有效的分析方法。
Envelope analysis is an efficient approach to analyze the compound signal which is common in machinery fault signal.
本文分析了电位器接触电阻变化率(CRV)测量的难点，提出了一种行之有效的方法——准包络测量法。
This paper analyses the difficulty in potentiometers' Contact Resistance Variation (CRV) test, and introduces an effective test method-Qarsi-Envelope test method (QETM).
异形螺杆的加工一般采用成型法及无瞬心包络铣削方法在专用数控铣床上进行。
The special screw is manufactured with the molding method and non-instantaneous envelope method on the numerical control millers generally.
传统的AM调幅信号解调方法是同步检波和包络检波法。
Traditional way of AM signal demodulation is envelope detector or synchronism detector.
为了从脱溴馏出物中提取天然生育酚，采用溶剂脲包法包络天然生育酚，与脂肪酸及其甘油酯分开。
In order to extracted natural tocopherols from the debromination accompaniment, the method of solvent urea package were used to separate natural tocopherols and fatty acid and its glyceride.
资料包络分析法；效率分析；职业类科。
Data Envelopment Analysis; Efficiency Analysis; Vocational Senior High School.
考虑到往复式压缩机振动具有振源丰富、信息干扰大的特点，利用包络解调法分离出系统固有频率成分的振动信号。
According to the character of vibration in reciprocating compressor, the vibration signal was separated from intrinsic frequencies of the system by envelope demodulation method.
为克服当前的包络分析法需要选择合适的滤波器参数的局限性，提出了一种基于小波变换的包络分析方法。
An envelope analysis approach based on wavelet transform is proposed in this paper to overcome the limitation of current envelope analysis approach in which the fit filter parameter must be chosen.
该算法使用点对合并的聚合方法来减少点元的数量；构造内外包络时，使用二分法寻找最佳偏移值。
The algorithm of dichotomy was applied to find the optimum declination value when the construction of inner and outer envelopment was designed.
绩效评估；资料包络分析法；灰关联分析。
Performance evaluation; Data Envelopment Analysis; Grey Relational Analysis.
然后，研究了基于层次化数据包络分析法的输电网规划决策方法，将决策者的经验和规划的影响因素统一起来。
Then, a transmission network planning decision-making method is proposed based on hierarchical data envelopment analysis (HDEA), which unites the experience ofd.
对Y3150E型滚齿机进行改造，设计出一新型的铣削头，利用对偶法加工小齿轮的圆弧包络线齿形；
The gearing machine tool of the model Y3150E is modified and a new milling head is designed to cut the envelope tooth of the pinion using allelomorph method.
论文在分析保险业效率基本涵义的基础上，比较了三类效率测度方法的优缺点，确定采用数据包络分析法测算1999—2003年我国保险业的技术效率、纯技术效率和规模效率。
Data envelopment analysis (DEA) is pointed as a basic method to study the the technical efficiency, pure efficiency and scale efficiency of the insurance industry of our country from 1999-2003.
然后利用数据包络分析法(DEA)建立了土地利用相对效率评价模型，给出了判断准则与变量设定。
A model to evaluate the comparative efficiency of land is also set up by means of DEA.
文中依据微分几何中的包络原理，从砂轮和刀具之间的运动关系出发，建立新构形法硬质合金插齿刀前刀面的数学模型。
The article rests on enveloping principle of the differential geometry, embarks from the movement relations between grinding wheel and the cutting tool, establishing mathematical model of rake face.
接收机采用了匹配滤波器同步捕获法和包络相关同步跟踪环来实现伪码(PN)的同步。
A synchronous capture method of adaptation filter and related synchronous envelope tracking circle were applied to achieve synchronization of PN by receiver.
采用数据包络分析法(DEA)对108家家族控制的上市公司技术效率进行了考察，是采用各个公司近三年的数据进行分析的。
In part three, the author USES Data Envelopment Analysis (DEA) technique to review the technical efficiencies of the listed 108 family enterprise, and has analyzed 3 years.
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