significant wave 中文意思是什麼

significant wave 解釋
立波
  • significant : adj 1 有意義的;大有講究的,意味深長的。2 表明…的 (of)。3 重要的,重大的,值得注意的。4 有效的...
  • 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...
  1. One of the most significant properties of the electromagnetic wave is that it transports energy.

    電磁波的最主要的性質之一是它能傳輸能量。
  2. Exploding wires phenomenon is that if the high - density energy is poured into metal wire with small transverse section in a short time from high power pulse source, the metal wire will explode into gaseity and generate significant shock wave. the. fundamental reason of the generated shock wave is the plasma

    爆炸絲現象( explodingwiresphenomenon )是將存儲于高壓電容器中的能量,在極短的瞬間內傾注于很小截面積的金屬絲,使之汽化,產生強大的沖擊波,這種沖擊波產生的根本原因就是等離子體。
  3. The dike - break long waves cause great damage to polder, and then it is a significant subject for studying the dike - break long wave. it is significant of research for the propagating of the dike - break wave

    河堤潰決后的潰堤波會對圩區造成很大的危害,對潰堤波的研究是一個重要課題,研究其演進過程具有重要意義。
  4. Observed tidal harmonic constants in many stations are used to verify the astronomical tides in the compound fluid model. the wave model is tested by a set of wave flume data at first. then the results are compared by the actual processes of significant wave height in gauging stations

    其中復合流場模型中的天文潮利用眾多測站的實測調和常數進行驗證;波浪模型首先進行了水槽實驗的檢驗,然後在臺風過程中,進行了測站有效波高過程線的比較。
  5. The research on the ship maneuverability in the wind, wave and current, can not only be used to optimize the maneuverability design in the ship design stage, help to understand the mechanics of ship collision and capsizal, but also guide the handling operator to improve the handling skill, guard against the sea accident. therefore, the study is significant both theoretically and practically

    研究船舶在風、浪和流中的操縱性,不但能夠在設計初始階段,對船舶的操縱性能進行優化設計,而且有助於了解船舶碰撞與傾覆事故的產生機理,指導駕駛人員提高駕駛技術,預防海難發生,因而既有理論上的意義,又有很大的實用價值。
  6. Acoustooptic deflector is the significant component of the optical devices such as integrated optical spectrograph, tunable filter, scanner, convolver, correlator and optical switch etc. acoustooptic deflector can be divided into collinear and non - collinear, bulky and wave - guided, body devices and surface devices

    聲光偏轉器是集成光學頻譜儀、可調諧濾波器、掃描儀、卷積器等光學器件的重要組件、聲光偏轉器可分為共線式和非共線式、塊體型和波導型以及體波器件和表面波器件。
  7. Significant wave height

    有效波高
  8. Based on data collected from east china sea, the waves are calculated and analysed statistically, therefore as obtained the relation between wave height and significant period as well as average period

    摘要根據實測數據對我國主要漁區(東、黃海)的波浪進行了統計分析,得出適用於該海區的有效波高與有效周期及有效波高與平均周期的統計關系式。
  9. The results show that the physical and chemical conditions of the corn belt phaeozem have significant different in different profile morphological characteristics. in another way, soil composition of three phases, content of available water, nutrient content and composition of humus have significant different in different profile morphological characteristics. among three groups of profile morphological characteristics, corn yields of phaeozem in " flat type " boundary soil ( depth = 30cm ) were the most, reached 8. 22t / hm2on average. corn yields of phaeozem in " wave type " boundary soil ( depth = 15cm ) reached 7. 55t / hm2 on average

    這兩種界面構造對玉米產量影響差異顯著, 「平面型」界面土壤抗逆性較強,產量最高,平均產量達8 . 23t / hm ~ 2 ,而「波浪型」界面土壤抗逆性較差,它可以分為兩種情況:當耕層厚度15cm時,產量處于中等水平,平均產量為7 . 55t / hm ~ 2 ;當耕層厚度15cm時,產量最低,平均產量為6 . 65t / hm ~ 2 ,此種土壤處于丘陵漫崗區,產量受水土流失影響較大。
  10. Typical estimation of kinematic parameters ( cruising speed, wave speed, wave length and frequency ) based on experimental data of the cruising specimens indicates there is significant correlation between cruising speed and other parameters

    在實驗觀測的基礎上,根據實驗樣本的形態及運動規律,建立了背鰭/背臀鰭波動推進模式的運動學方程。
  11. The combination of soil layer has negligible effect on the p - wave propagation. 4 the effect of complex media basin on seismic wave propagation the significant parameters controlling the propagation in basin contain sediments / bedrock shear - wave velocity contrast, sediment depth and the degree of saturation

    4 、復雜介質情況下盆地對地震波傳播的影響基巖與沉積層的剪切波速比、沉積層的深度、沉積層的飽和度是影響地震波在沉積盆地中傳播的重要因素。
  12. Abstract : with the use of the theory of blazed phase gratings, the color separation phase grating used for icf drivers is designed, which can off - axis separate the fundamental, 2nd and 3rd harmonic waves. theoretically, its diffraction efficiency for 0 " th order at the 3rd harmonic wave is 100 %. experimentally, a color separation grating is made. both its separation angles ( at the 1st and 2nd harmonic waves ) and its diffraction efficiencies for 0 " th order are measured, and some significant results are presented

    文摘:採用相位閃耀光柵原理設計出用於icf驅動器中能離軸分離基頻、二倍頻、三倍頻激光的色分離相位光柵,理論上三倍頻零級衍射效率達到100 ,同時,對該相位光柵進行了實際製作和實驗測量,測出了基頻光和二倍頻光的分離角以及光柵的零級衍射效率,得到了一些有意義的結果。
  13. After the wave of merger, a number of diversified groups combining insurance companies, banks and investment firms have been created and have become of significant importance in the eu

    然而,由於金融集團存在內部交易、管制套利、缺乏透明度、利益沖突等特有風險,使得各國的金融監管體系面臨著嚴峻的考驗。
  14. As the values of wave factors in period of reoccurrence were deduced for many significant propagating direction in the yangtse river estuary, the wave reflection - refraction modeling is employed in terms of the equations with the slowly varying topography, and the influence on the effects of the channel and shoaling is included in this model. at the same times, the effects of the bottom friction and wave breaking are also considered, but the local wind field and background flow are ignored

    在推算長江口深水航道幾個主要波向的重現期波浪要素值時,採用了基於緩坡方程的波浪折射?繞射模式,該模式考慮了航槽和淺灘對波浪的影響,同時也考慮了底摩擦和波浪破碎對波浪的作用,但未能考慮局地風場和流場的作用。
  15. Two significant technologies were analyzed for stage lighting control system sine wave dimmer and network management in this paper

    對燈光控制系統中的兩項重要技術? ?正弦波調光和網路化管理進行分析和探討。
  16. The results show that, in most samples there are some linear correlation between poisson ' s ratio anisotropy and p - wave velocity anisotropy ; while in some samples there are no significant correlation between them ; some samples even show totally opposite changes in poisson ' s ratio anisotropy and p - wave velocity anisotropy

    結果表明,在大部分樣品中泊松比各向異性與縱波速度各向異性有一定的相關性,但在有的樣品中泊松比各向異性與縱波速度各向異性沒有明顯的關系,甚至表現出完全相反的變化規律。
  17. Under confused sea condition, the structures may subject to very strong w ave impulsive 1oad due to slamming by the wave with significant crest when waves propagate underneath the structure and surge up to its subface. previous studies indicate that impact pressures are characterized by an initial peak pressure of considerable magnitude but of short duration occurs, followed by a slowly - varying uplift pressure of less magnitude but of considerable duration, and which typically is first positive, then decreases to zero and becomes negative, in hostile sea state, the peak pressures may cause the damage of the horizontal members of the structures or make the whole superstructure collapsed

    若這些海上建築物的上部結構底高程較低,在惡劣海況下當大波浪在其面板下面通過並與之接觸時,面板下面除了作用有強度變化較緩慢的波壓力外,在波峰剛接觸到面板時尚存在著歷時很短但強度極大的沖擊壓力,這種極強沖擊荷載會引起建築物的整個上部結構失穩或造成局部破壞。
  18. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中,由於受其自身及外界各種因素的影響,常常會產生一些缺陷,對結構物的承載能力和耐久性造成嚴重影響,採用無損檢測技術進行質量檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍,運用動力有限元數值模擬其檢測過程,探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵,研究了不同裂縫深度下首波相位變化規律,得出了反轉臨界點與裂縫深度之間的關系,這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術,它是利用聲波穿透被檢測體獲取聲波接收時間,來進行計算機反演成像的技術。
  19. High current electron gun ( hceg ) is an important component and significant to performance of microwave and millimeter wave tubes

    強流電子槍是微波與毫米波電真空器件的重要部件之一,它的設計對于微波毫米波器件的性能有著至關重要的影響。
  20. Significant wave period

    有效波周期
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