wave directional spectrum 中文意思是什麼

wave directional spectrum 解釋
波向譜
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  • directional : adj. 1. 方向的。2. 【無線電】指向的，定向的。
  • spectrum : n. （pl. -tra ）1. 【物理學】譜，光譜；波譜；能譜，質譜。2. 【無線電】射頻頻譜；無線電（信號）頻譜。3. 【心理學】（眼睛的）余像；殘像。4. 〈轉義〉范圍，幅度；（連續的）系列。
  1. In the study of directional spectrum and reflection coefficient of multidirectional wave, firstly the wave elevation trains overlapped by the incident wave and the reflected wave of multidirectional wave are simulated in the method of a frequency corresponding to a direction. then the composed wave trains are analyzed respectively by the mbdm and the mmlm. during the numerical study, the input factors include the various wave parameters, the different measuring wave system and the various reflect characteristic

    在多向不規則波入射波方向譜和反射系數的分析研究中，利用方向頻率對應法模擬了多向不規則波入射波與反射波疊加的波面序列，將此合成波列分別應用mbdm和mmlm進行分析，通過輸入各種波浪參量、不同波浪測量系統和各種反射特性等因子，檢驗了mbdm和mmlm方法的適用條件，對兩種分析方法的性能進行了比較分析。
  2. Statistics of wave crests with different directional spreading parameters and different directional functions are obtained and discussed. jonswap spectrum and the directional function suggested by mitsuyasu, donelan and wen respectively are employed in the analyses. statistical distribution of wave crest characteristics such as crest length, crest height, and directional angles based on the above - mensioned numerical simulation of 3 - d random waves are analyzed

    以jonswap譜為頻譜，選取光易型方向函數（含三個參數） 、 donelan方向函數以及文氏方向函數等不同的方向函數進行模擬，對得到的波峰形式進行比較，分析了方向函數對波峰長度統計值的影響。
  3. This paper presents that the directional spectra and the reflection coefficients of the oblique and the multidirectional irregular waves on the co - exist wave field of incident wave and reflected wave have been studied. a modified two - points method is proposed that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves. for the multidirectional irregular waves, the directional spectra and reflection coefficients are obtained by the modified bayesian directional method and the modified maximum likelihood method

    本文研究了入、反射波共存場中斜向不規則波和多向不規則波波浪場的方向譜和反射系數，對于斜向不規則波頻率譜及反射系數的計算提出了一種改進兩點法（ mtpm ） ，對于多向不規則波方向譜和反射系數的分析，應用了改進的貝葉斯方法（ mbdm ）和改進的最大似然法（ mmlm ） 。
  4. By using random wave theory and directional wave spectrum, a matlab - platformed program is designed to simulate random wave crests for various directional spectral conditions in deep water

    在此基礎上，利用臨界值對波面進行切割，得到位於臨界值以上的三維波峰。
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