波浪譜 的英文怎麼說

中文拼音 [bōlàngpǔ]
波浪譜 英文
sea state spectrum
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 浪 : Ⅰ名詞1 （波浪）wave; swell; billow; breaker 2 （像波浪起伏的東西） things undulating like waves 3...
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  • 波浪 : wave
  1. Because of the presence of the first - order sea echoes with dominant amplitude, the doppler resolution technique which based on the range - velocity transformation is needed to extract the targets information in hf radar

    高頻雷達工作在擁擠的短波波段，由於絕對占優的一階海浪回波的存在，必須採用基於距離?速度譜變換的多普勒頻率分辨技術來處理雜波，以提取目標信息。
  2. 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。
  3. Part i : since the study about breaking onset criteria base on the downward acceleration or on the wave slope shows great discrepancy, the models that estimating breaking probability and whitecap coverage according to these two. criteria are problematic

    第一部分：因所採用的動力學或波陡判據的不確定性和海浪譜四階矩的難以確定，現已提出的關于風浪破碎率和白浪覆蓋率的統計模式有一定的不確定性。
  4. Finally, the paper introduces the test of wave simulation by wave - making system that has improved. the test data indicate that it is able to competent at wave simulation of sea wave spectrum for shipmodel test, we have changed the situation that the wave - making system ca n ' t simulated sea waves. and have established the foundation for the quality of improving the scientific research of our school and experiment teaching further

    最後，本文介紹了對改造后的造波系統進行波浪模擬測試情況，試驗數據表明，該造波機經過升級改造，完全可以勝任對船模耐波性試驗所要求的海浪譜的模擬，並且還可以根據需要模擬任意的海浪譜，模擬精度達到試驗要求。
  5. This paper applies ittc single - parameter ocean wave spectrum to simulate a random long - crested ocean wave according to statistics superposition theory and real - time simulate disturbance on the ship by random wave. it simulates roll and pitch of the ship in random wave in the time domain and gains roll angle ( t ) and pitch angle ( t ) signal of ship rolling movement

    本文根據統計疊加理論，採用ittc單參數標準海浪譜模擬模擬實際的長峰波隨機海浪，進而實時模擬長峰波隨機海浪對船舶的隨機擾動，對船舶在海浪中的橫搖和縱搖運動進行了時域模擬，得到船舶搖蕩運動的橫搖角信號（ t ）和縱搖角信號（ t ） 。
  6. In this analysis procedure, the mean stress is accounted for by obtaining the equivalent stress derived from goodman formula or not and the difference between the two cases are discussed

    由於在譜分析方法中考慮到了由波高、特徵周期及浪向確定的不同海況，所以本文也分析了各海況對疲勞壽命的影響。
  7. In order to obtain a complete and quantity evaluation for navigation and fishing operation in stormy weather, the paper gives a practical method for eveluating and sets up a evaluated equation in which many factors are considered

    摘要通過對我國主要海洋漁場東、黃海波浪的統計分析，選出適用於我國海區的風浪譜，並以此為基礎給出漁船在不同狀態下的運動響應方程。
  8. Hirayama t, et al. directional ocean wave measurement utilizing running ship motion and radar images [ j ]. 1997, omae - volume, safety and reliability asme 1997

    由航行中的船體運動實時推算海浪譜- -方向波譜的推算[ j ] .關西造船協會志， 1987 ，第204號.李俊興譯
  9. In the analysis of the frequent spectrum and the reflection coefficients, based on goda ' s two - points method which fit to the normal incident wave, a modified two - points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular, the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed, also from which in theory the waves could be measured in two wave gauges which is disposed at any direction

    為了分析單向不規則波入射波的頻率譜和反射系數，本文在goda用於分析正向不規則波的兩點法的基礎上，提出了可用於斜向不規則波頻譜分離及其反射系數計算的改進兩點法，該方法可用於計算任意波浪入射角的入、反射波譜、總體反射系數和反射系數的頻率譜，並且測量波浪過程的兩浪高儀可在較廣的方向范圍內布置。
  10. Part ii : a third possible mechanism for the effect of nonuniform current on short waves is suggested, which ascribes the modulation of short wave spectrum by current to that the current changes the drift, through which it changes the breaking criteria, as a result the energy dissipation is altered

    第二部分:本文提出非均勻流場影響短波譜的第三個可能機制:非均勻流場通過對表面漂流的調制，改變風浪破碎的閉值條件，進而改變破碎損耗，從而調制海面小尺度粗糙度。
  11. Statistical analysis and study of basic characteristics on wind and ocean wave in the yangtse river estuary are carried out to rich the knowledge of the ocean waves in the yangtse river estuary

    對自記波浪數據得出的各波浪要素值進行統計分析、研究;對其雙峰譜型海浪統計性質進行了分析研究。
  12. In this paper, we present the basic principle of dual flap wave - maker and the producing of driving signal firstly, and then the influence of two distinct fft methods with the same wave signal to the primary parameters of wave spectrum

    摘要敘述了採用雙搖板造波系統的基本思想及雙搖板造波信號的生成，並分析了同一波浪信號用不同譜分析法對所得主要譜參數的影響。
  13. ( 3 ) reliability analysis of vibration discomfort of wind - excited buildings was carried out, which presented a reliability - base design formulation that accounted for the uncertainties existed in the dynamic parameters, human response and design methods. ( 4 ) the serviceability - based optimization of tall building was also carried in the chapter and optimization methods and strategies were proposed. the application of ar model in fixed offshore platform was discussed in chapter 6 and chapter 7, which included problems of vibrations induced by sea wave and vibrations induced by sea ice

    論文第六章、第七章研究了煩惱率方法在海洋平臺結構設計中的應用，本章研究表明： （ 1 ）合理選擇波浪譜是進行波浪作用下平臺結構振動舒適度分析的前提； （ 2 ）平臺結構振動舒適度的設計水準應該考慮到結構的不同設計壽命； （ 3 ）平臺冰激振動舒適度的設計水準應該和海冰區劃相結合。
  14. Current. in order to make diffluent piers with low ridge to be popularized and applied, the surface wave of low fr. current is chosen as the research object. we measure the surface wave elements and the velocity distribution of various diffluent piers scheme by the experiment of physical model. we also analyze the average wave height, the the average value of the square of wave, unit width of the wave ' s energy, the probability density distribution of wave height, and the power chart character, so as to reveal the weakening wave mechanism of the diffluent piers

    低fr水流的核心是波浪問題，為了低坎分流墩的推廣應用，本研究以低fr水流的表面波浪作為研究對象，通過物理模型試驗，對各種分流墩方案消能工的下游水面波浪要素、流速分佈進行測試，分析低坎分流墩下游波浪的平均波高、均方根、單寬波能、波高概率密度分佈及功率譜特性變化規律，從而揭示了低坎分流墩的削波機理。
  15. Finally, the spectral fatigue analysis has been conducted under linear wave load and ship motion

    4 、按照譜分析方法，對線性波浪載荷下結構的疲勞壽命進行了計算。
  16. 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 ） 。
  17. The power spectral density of ship ' s motion is calculated based on ocean wave energy spectrum, and the movement spectrums of the ship ' s random motion are calculated and created

    根據海浪波能譜，計算了艦船搖蕩運動的功率譜密度和艦船的隨機搖蕩運動。
  18. The paper also utilized vb and visal fortran two kinds of programming languages and worked out waves of making and control the software again, this software is operated under windows operating system, way to operate through the menu, can be finished producing from the wave signal data file under a window, make wave control, spectrum analyse and wave machine initialize and parameter person who set up work to data that gather, it is simple and convenient to operate

    本文還利用vb與visualfortran兩種編程語言重新開發了造波控制軟體，該軟體運行在windows操作系統下，通過菜單操作的方式，在一個窗口下就可以完成從波浪信號數據文件生成、造波控制、對採集的數據進行譜分析以及造波機初始化及參數設置等全部工作，操作簡單方便。
  19. A directional spectrum of the reflection coefficients is suggested and an empirical formula of the directional spectrum of the reflection coefficients for slope breakwaters are given by the model tests

    通過分析研究，提出了波浪場反射系數方向譜的概念，並由模型試驗結果給出了斜坡堤前反射系數方向譜的經驗公式。
  20. By the simulation results, it is verified to have excellent performance. a class of uncertain nonlinear systems which can be transformed into strict feedback nonlinear systems is investigated based on feedback linearization approach of differential geometry. an adaptive robust controller with l2 - gain is proposed by using backstepping technique. the numerical method is given and it is proved to be practical by simulation results. lt is a more practical method to solve hji for a special nonlinear system because the problem to solve hji is very difficult in general case, and only get the approximate solution when it can be solved. an effective method to solve hji is presented for a class of nonlinear system which is ordinary

    考慮到一般情況下，求解hji是非常困難的，並且也只能得到近似解，因此，在系統設計時，針對具體非線性系統的特殊結構以求解hfl是系統設計的一種行之有效的方法，基於以上考慮，對一類具有廣泛工程背景的非線性系統，提出了一種求解hfl的有效方法，便於實際應用。最後，從波能譜的角度，研究隨機海浪的模擬問題，給出了船舶橫搖模擬中需要的隨機海浪有效波傾角的模擬方法。
分享友人
分享到 Line

分享到臉書