This thesis tries to recognize the quasi-circular objects by using the theory of digital imaging and pattern recognition.
本课题采用数字图像模式识别的理论对类圆进行识别，主要研究内容包括图像的预处理、图像分割和图像识别。
Theory of quasi-circular-arc gear's shaping is discussed in this paper, and its common tooth-surface equation is developed.
叙述了准端面双圆弧齿轮的形成原理，推导了这种齿轮的通用齿面方程。
Based on the idea of chasing method, a new algorithm is developed to solving the circular and quasi-circular tridiagonal systems in this paper.
针对循环或者拟循环三对角方程组，仿照追赶法的思想，给出了一种求解这两类方程组的追赶算法。
Under the appropriate conditions, the asymptotic solution and its existence conditions are obtained, the results for a class of quasi-circular membrane oscillation problem is extended.
在适当的条件下，得出了这类问题的渐近解及其可解性条件，推广了一类近乎圆膜的振动问题所得的结果。
PWM wave is generated by splitting Zero vector quasi circular locus method.
该系统用零矢量分割的准圆轨迹法生成pwm波形。
Computing result indicates that quasi transverse circular arc gear is basically equal on strength distributing along tooth depth direction and it is superior to normal plane circular arc gear.
计算结果表明，准端面圆弧齿轮基本上是沿齿高方向等强度分布，优于法面圆弧齿轮。
The characteristic of the concentration wave in the RTD of out-circular reactor, which is a nonstationary quasi-periodic signal, has been investigated with wavelet analysis.
应用小波分析研究了外循环反应器浓度波这类非平稳拟周期信号的特征。
According to the quasi-static seismic stability analysis of slope, a new method based on the assumption of circular slip surface is established.
根据遗传算法的思想和拟静力瑞典法基于圆弧滑动面的假定，提出一种用遗传算法搜索最危险滑动面及其对应的最小安全系数的方法。
Through this work, the paper conclusion has confirmed the theory which sensitivity of center-distance tolerance on the Quasi-transverse-circular-arc gear less than normal circular gear.
通过本文工作，得出中心距误差对准端面双圆弧齿轮敏感性小于其对法面双圆弧齿轮的敏感性。
Through this work, the paper conclusion has confirmed the theory which sensitivity of center-distance tolerance on the Quasi-transverse-circular-arc gear less than normal circular gear.
通过本文工作，得出中心距误差对准端面双圆弧齿轮敏感性小于其对法面双圆弧齿轮的敏感性。
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