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    1. circular antenna

      基本解釋圓弧天線

      網絡釋義

      1)circular antenna,圓弧天線2)Circular arcs,圓弧曲線3)arc axis,圓弧軸線4)circular arc trace,圓弧齒線5)circular ray,圓弧射線6)non-arc curve,非圓弧曲線

      用法和例句

      Approaches of representing circular arcs with NURBS of degree two;

      基于NURBS的圓弧曲線表示方法

      The practical way of representing circular arcs with quadratic and cubic NURBS is presented.

      根據推導得到二次和三次NURBS表示圓弧曲線的實用方法,給出計算控制頂點及其權值的表達式,同時對該方法的適用范圍進行了詳細探討,澄清了以往應用三次NURBS表示圓弧曲線的一點錯誤認識。

      To the situation that the plane distribution of modern building is complicated and difficult to construct,application of circle and chord method in arc axis are introduced in combination with two engineering practices.

      針對現有的建筑物平面布局越來越復雜、施工放線過程比較困難的現狀 ,根據極坐標和弦線支距法的基本原理 ,結合兩個工程實例 ,詳細介紹了極坐標法和弦線支距法在具體放測圓弧軸線中的應用 ,為施工技術人員在施工過程中提供有益的參考借鑒。

      In this paper,the forming principle & meshing characteristics of tooth of double arc gear with circular arc trace is presented.

      本文研究了圓弧齒線雙圓弧齒輪輪齒的形成原理和嚙合特點,應用共軛齒面嚙合原理和微分幾何方法推導出其共軛齒面方程。

      The way to process non-arc curves was discussed.

      探討了常見非圓弧曲線的加工方法,并以橢圓及正弦曲線為例,敘述了在使用宏指令加工過程中坐標值的數據轉換及程序編制。

      The Rational Cubic DP and Generalized Ball Representation of Arc;

      圓弧曲線段的有理三次DP及廣義Ball表示

      Effect of Central Angle and Bearing Arrangement on Bearing Reaction of Arc Curved Girder Bridge

      圓心角及支座布置對圓弧曲線箱梁橋支座反力的影響

      Principle of Interpolating Quadratic Curves of Circle Interpolator;

      圓弧插補器插補非圓二次曲線的方法

      The Research on Approximation Algorithm for NURBS Curves with Line and Circular Arc in NC;

      NURBS曲線的直線與圓弧數逼近算法研究

      An arc be a part of the circumference of a circle or other curved line

      弧是圓周或曲線的一部分

      An arc is a part of the circumference of a circle or other curved lines.

      弧是圓周或曲線的一部分。

      A circularity approach to the numerical control of the complex curvilinear machining;

      圓弧逼近法實現復雜曲線的數控加工

      Research on Dual-arc Fit for Non-circular Curves and its CNC Programming

      非圓曲線的雙圓弧擬合及數控加工的程序編制

      The elliptic and parabolic arcs can be represented exactly by the CT-Bézier curve.

      利用CT-Béz ier曲線能精確表示橢圓與拋物線弧。

      Bézier Curve Offset Based on Circular Arc Approximation

      基于單位圓弧段逼近的Bézier曲線等距線生成算法

      In-Plane Nonlinear Theory and Elastic-Plastic Stability of Pined Circular Arches;

      兩鉸圓弧拱非線性彎曲理論和彈塑性穩定

      Discussion about the Continuity of Arc-shaped Curve of Ball-end Milling Cutting

      等螺距圓弧形球頭銑刀刃口曲線的連續性討論

      STUDY ON THE ASPHERIC CURVE ALGORITHM BASED ON THE BI-ARC STEP LENGTH FLEX NUMERICAL CONTROL INTERPOLATION

      基于雙圓弧步長伸縮數控插補非圓曲線算法的研究

      Error Estimate on Similarity in the Replacement of Hyperbola by arc,in the Line of Intersection;

      相貫線中用圓弧代替雙曲線近似程度的誤差估計

      Basic Meshing Principle of Double arc Gear with Circular Arc Trace

      圓弧齒線雙圓弧齒輪的基本嚙合原理

      Abstract: We present a method of circular arc fragmented curve-fittingbased on least mean-square error rule in this paper.

      文摘:提出了一種基于最小均方誤差準則的圓弧分段曲線擬合方法。

      general epicycloid circular arc spur gear

      普通外擺線圓弧直齒輪

      The ray paths are circles.

      射線路徑呈圓弧狀。

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