angle n. 【英史】盎格魯人〔cf. Angles〕。 angle1 n. 1.角,隅,角落;棱,嬗角。 2.【數(shù)學(xué)】角,角位,角的度數(shù)。 3.【機(jī)械工程】角鐵。 4.見地,觀點。 5.(事物的)方面,角度。 6.〔口語〕隱蔽的個人動機(jī);詭計。 7.〔口語〕(新聞報導(dǎo)的)偏見,歪曲。 an auxiliary [subsidiary, supplementary] angle 補(bǔ)角。 an external [exterior] angle 外角。 an internal [interior] angle 內(nèi)角。 an obtuse angle 鈍角。 a vertical angle 對頂角。 a right angle 直角。 a straight angle 平角。 an optical [a visual] angle 視角;【礦物】光軸角。 angle of attack 【航空】氣壓角,迎角。 angle of bank [roll] 【航空】轉(zhuǎn)角。 meet at right angles 相交成直角。 take the angle 測角度。 view from various angles 由各方面觀察。 vt. 1.使(攝影機(jī)等)偏成[轉(zhuǎn)向]某一角度。 2.使(新聞報導(dǎo)等)帶上色彩[傾向性]。 She angled her column of chitchat towards teen-agers. 她的閑話專欄著眼于青少年。 angle one's camara (攝影時)對角度。 angle a report 使報告攙雜偏見。 vi. 1.轉(zhuǎn)變角度;突然朝某方向轉(zhuǎn)去。 2.以一個角度移動。 n. 〔古語〕釣鉤;釣具。 a brother of the angle 釣魚者。 vi. 1.釣魚。 2.〔美俚〕釣(譽(yù)),貪圖,圖謀。 angle for carp 釣鯉魚。 angle for praise 沽名釣譽(yù)。 vt. 在…釣魚。
Three characteristics that discribe a sinusoidal signal are the frequency , amplitude , and initial angle 表示正弦量的三個要素為頻率、幅值(大?。┖统跸嘟恰?
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 提出了用代數(shù)的方法決定解彈道方程的初始射角的及快速、準(zhǔn)確的決定彈道系數(shù)、偏流的具體方法和數(shù)學(xué)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 該方法采用頻譜轉(zhuǎn)換法,首先將加速度譜轉(zhuǎn)換成位移譜,再計算出位移譜中每個頻率分量對應(yīng)的幅值、圓頻率和初相角,最后對各位移分量進(jìn)行疊加得到振動位移的時間歷程。
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、本文選用的以電波射線微分方程為基礎(chǔ)的射線描跡解決方案,可有效地避免沿用已久的積分算法計算效率低、零度初始仰角附近難以計算等局限,并保持較高的計算精度和計算效率。