针对尺寸之间的关联约束,本文首先分析了尺寸链约束的特点,提出了基于尺寸链的尺寸环模型。
The characteristics to dimension chain constraint is analysed, dimension loop model is put forward based on the dimension chain for solving dimension relationship constraints.
约束拟合是逆向工程中模型重建的重要一环。其中约束的识别与求解是约束拟合的关键。
Constrained fitting is important for model reconstruction in reverse engineering, and its key components are constraint recognition and solution.
采用环向约束试验方法研究破裂岩体的承载和变形特性。
The carrying capacity and deformation characteristics of cracked rock mass were investigated by hoop constraint tests.
结果表明,在某些约束条件下,所有系统轨迹最终进入并停留在某一特定区域,而且趋于极限环。
It shows that under some constraints all system trajectories will eventually enter and remain in a specific region, and tend to the considered limit cycle.
从表格中删除线圈,约束与脊髓,使其形成一个环,并连接两端的插座,可以容纳一个微型手电筒灯泡的终端。
Remove the coil from the form, bind it with cord so that it forms a ring, and connect the ends to the terminals of a miniature socket that accommodates a flashlight bulb.
试验结果表明,CFRP布环箍加固的侧限约束作用可以提高木柱的强度约10 ~ 20%。并显著改善木柱的变形性能。
The experiment results indicate that the confining action of CFRP sheets can enhance the strength of timber column about 10 ~ 20%, and can also enhance the ductility of timber column.
在校验矩阵构造方面,PEG的构造方法在度约束条件下能最大化环长,从而降低误码平层。同时准循环码在结构化方面也有很多优点。
When constructing a parity-check matrix, PEG can maximize the girth length, thus lowering error-floor, while quasi-cyclic structure bears other advantages.
该方法利用具有旋转不变性的径向特征作初始匹配,而以环向特征作后续匹配,并用FOV约束进一步剔除冗余匹配。为了加快匹配搜索的速度,采用查找表的方式构建径向模式库。
With radial features with cyclic invariance as initial match and cyclic features as follow-up match, the algorithm applies FOV constrain to further eliminating redundant match.
建立了含有虚约束的多相并列平行曲柄机构受力分析模型。在此基础上分析计算了三环减速器的轴承载荷和高速轴曲柄上的转矩;
The load of planetary bearings and the moment in the high speed shafts are analyzed and some suggestions about the structure type and design parameters of the three ring reductor were a…
建立了含有虚约束的多相并列平行曲柄机构受力分析模型。在此基础上分析计算了三环减速器的轴承载荷和高速轴曲柄上的转矩;
The load of planetary bearings and the moment in the high speed shafts are analyzed and some suggestions about the structure type and design parameters of the three ring reductor were a…
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