angle n. 【英史】盎格鲁人〔cf. Angles〕。 angle1 n. 1.角,隅,角落;棱,嬗角。 2.【数学】角,角位,角的度数。 3.【机械工程】角铁。 4.见地,观点。 5.(事物的)方面,角度。 6.〔口语〕隐蔽的个人动机;诡计。 7.〔口语〕(新闻报导的)偏见,歪曲。 an auxiliary [subsidiary, supplementary] angle 补角。 an external [exterior] angle 外角。 an internal [interior] angle 内角。 an obtuse angle 钝角。 a vertical angle 对顶角。 a right angle 直角。 a straight angle 平角。 an optical [a visual] angle 视角;【矿物】光轴角。 angle of attack 【航空】气压角,迎角。 angle of bank [roll] 【航空】转角。 meet at right angles 相交成直角。 take the angle 测角度。 view from various angles 由各方面观察。 vt. 1.使(摄影机等)偏成[转向]某一角度。 2.使(新闻报导等)带上色彩[倾向性]。 She angled her column of chitchat towards teen-agers. 她的闲话专栏着眼于青少年。 angle one's camara (摄影时)对角度。 angle a report 使报告搀杂偏见。 vi. 1.转变角度;突然朝某方向转去。 2.以一个角度移动。 n. 〔古语〕钓钩;钓具。 a brother of the angle 钓鱼者。 vi. 1.钓鱼。 2.〔美俚〕钓(誉),贪图,图谋。 angle for carp 钓鲤鱼。 angle for praise 沽名钓誉。 vt. 在…钓鱼。
Three characteristics that discribe a sinusoidal signal are the frequency , amplitude , and initial angle 表示正弦量的三个要素为频率、幅值(大小)和初相角。
A mathematics model and its concrete approach are advanced which is an algebraic algorithm to determine the initial angle for resolving ballistic equation set and to determine the ballistic the coefficient and drift accurately and quickly 提出了用代数的方法决定解弹道方程的初始射角的及快速、准确的决定弹道系数、偏流的具体方法和数学模型。
Based on frequency - spectrum - transformation , this algorithm first changes acceleration spectrum into displacement spectrum , then calculates its amplitude , angular frequency and initial angle related to every displacement spectrum , finally sums up all the displacement components and forms the time course of the measured vibration 该方法采用频谱转换法,首先将加速度谱转换成位移谱,再计算出位移谱中每个频率分量对应的幅值、圆频率和初相角,最后对各位移分量进行叠加得到振动位移的时间历程。
Secondly , the resolution of ray tracing based on the differential equations avoids the limitations of the methods based on integral equations such as low computation efficiency and the calculation difficulty at small initial angles in the vicinity of antenna , and the higher computation precision remains with a higher efficiency 二、本文选用的以电波射线微分方程为基础的射线描迹解决方案,可有效地避免沿用已久的积分算法计算效率低、零度初始仰角附近难以计算等局限,并保持较高的计算精度和计算效率。