envelope of characteristics 中文意思是什麼

envelope of characteristics 解釋
特徵曲線的包絡線
  • envelope : n. 1. 信封；紙袋；包封，封皮。2. 殼層，外殼。3. 【數學】包（絡）線；包跡。4. 【航空】氣囊；【天文學】包層；【生物學】包膜，包被。
  • of : OF ＝Old French 古法語。
  • characteristics : 產品性能描述
  1. Paper and board. characteristics of cristal glassine for envelope windows

    紙和紙板.封窗用透明紙特性
  2. A mathematical model reflecting the tilt rotor unsteady and nonlinear aerodynamic characteristics in the longitudinal channel is presented in the paper. in the full flight envelope, the rotor thrust continues tilting and the aerodynamic forces of each component change as a function of airspeed and nacelle angle

    在整個飛行包線內，旋翼的推力矢量方向不斷變化，飛機各部件的氣動力隨發動機短艙傾角和空速的變化而變化，因而飛機的飛行動力學有很強的非定常、非線性特性。
  3. To overcome the disadvantage of tatsuno combined pumps and to improve the characteristics of the pumps, a new kind of pump with the fixed transmission ratio is proposed, the teeth of which are circle - arc and its envelope

    針對tatsuno雙圓弧組合泵存在的不足，提出了該泵中的一對齒輪副採用定傳動比的圓弧及其包絡線齒輪副的方案，以改善泵的性能。
  4. The envelop functions of ground motion for the small - moderate earthquakes in the near - source field are different with those of the larger earthquakes. there are not stationary part any more in the envelop function of these ground motions. after we analyze the characteristics of these envelope functions we take a exponent function instead the three part function

    近場的中小地震由於其在到震源的距離與震級方面的特殊性，其時程包絡函數的形狀與遠震、大震有很大的區別，在遠震、大震包絡函數中很常見的平穩段不再存在。
  5. Rtce is based on forecasting the inherent vulnerabilities to propagation of hf time - varying channel, including multipath delay, doppler spread, selective fading, interference, so this paper also introduces characteristics of hf channel in the beginning. familiar rtce systems all adopt envelope method that bello brought forward

    實時選頻技術是基於對短波電離層時變通道固有的不利於電波傳播的各種因素，包括通道的多徑展寬、多普勒展寬、選擇性衰落、噪聲干擾等的預測的基礎上實現的，所以在開篇對短波通道的特點進行了詳細的介紹。
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