波頂高度 的英文怎麼說
中文拼音 [bōdǐnggāodù]
波頂高度
英文
crest height of waves-
In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost
在工作過程,根據廠址區軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件,採取了多種先進的勘探手段(如高精度淺層地震勘探、跨孔波速試驗、十字板剪切試驗、旁壓試驗等) ,查明了原廠址區存在一個長江古凹槽,並及時建議廠址適當東移,僅次一項就節省樁基工程費用近5000萬元。Based on the fourier series digital approximation method, the optimal design of flat - top and high isolation pass band frequency response interleaver has been studied. at last a solution of high isolation ( > 45db )
用傅立葉級數展開數值逼近的方法進行了高隔離度平頂通帶頻響全光纖奇偶交錯濾波器的優化設計,提出了隔離度大於45db通帶平坦濾波器的製作方案。After an option has been advancing for some and had a sharp advance, closing strong or near the high level, if on the following day the range is very narrow, it is an indication that a culmination is near and your stop loss order should be moved up 1 ? under the bottom of the narrow day
行情在上漲一段時間並且已經急速拉升后,收盤強勁或收在高級水平附近,如果在下一天行情波動幅度非常狹窄,那就預示市場接近頂點,你的止損應該上移到短期底部下面的1美分處。After an option has been advancing for some time and had a sharp advance, closing strong or near the high level, if on the following day the range is very narrow, it is an indication that a culmination is near and your stop loss order should be moved up 1 under the bottom of the narrow day
行情在上漲一段時間並且已經急速拉升后,收盤強勁或收在高級水平附近,如果在下一天行情波動幅度非常狹窄,那就預示市場接近頂點,你的止損應該上移到短期底部下面的1美分處。In the section 1, we have introduced the background and the recent advance of the flattened gaussian beam ; in the section 2, for the first time, we have calculated the type - i and type - ii shg conversion efficiency and simulated curves versus the crystal length, the pumping light polarization rate, the order of the flattened gaussian beam and the pumped power intensity, we obtain ed that the highest efficiency was influenced by the order and the polarization rate of the pumped flattened gaussian beam
從三波耦合方程及clbo晶體的光學特性出發,討論了以平頂高斯光束入射時穩態的三波耦合方程的大信號倍頻解(包括類及類相位匹配的倍頻解) 。計算了其在clbo晶體上的倍頻轉換效率與晶體長度,基波偏振分量比,基波階數及泵浦波強度之間的相互影響關系曲線。得出影響平頂高斯光束的最高轉換效率的因素是基波的階數n和泵浦波的偏振分量比d 。5. the heavy - hard rainfall in transitional season is brought by mixed cloud systems whose movements are slow and less, and the echo depth are about 5 km and horizontal distance of strong echo are within 10km
5 、過渡季節產生的大到暴雨過程大都為混合雲系造成,混合雲系移速慢,位置少動,強回波頂高度skm左右,強回波的水平距離在10km以內。The park, sprawling over 3, 000 square metres 32, 290 sq ft of desert land in the gulf city of dubai, will include ski - lifts to take guests to five slopes of varying height and steepness. the resort with artificial snow will form part of a recently opened shopping complex, billed as the world ' s largest mall
迪拜是一座位於波斯灣沿岸的城市,而這家滑雪場則建造于該市所屬的沙漠地帶內,其佔地面積超過了3000平方米,場內安裝的索道將會把遊客送到擁有不同高度和傾斜角度的5條雪道的頂端。If you add to this the effects of a sonar set mounted in the small nose of a torpedo rushing through the water at speeds up to 80 miles per hour with its consequence noise and vibration, plus hull borne vibrations from the power plant, it can be seen that only the most advanced electronic filtering gives any chance of success
如果再加魚雷在水中以每個小時高達80海里的速度前進時所產生的噪聲和震動對安裝在小小雷頂聲納的作用,加之動力裝置所產生的殼體振動,就不難看出,只有最先進的電子濾波才可能有成功的機會。In this work, incident super - gaussian pulse propagation in conventional single - mode fibers has been investigated in detail after taking into account the fiber chromatic dispersion. the results show that for an incident super - gaussian pulse with steep leading and trailing edges, its shape undergoes a variation from near - rectangular, two - peak, and finally to single - peak. in the meantime, its peak intensity increases at first, after passing a maximum, and finally decreases monotonously
數值模擬的結果表明:超高斯入射光脈沖在光纖中傳輸時脈沖波形、瞬時惆啾、以及峰值強度的演變規律與高斯入射脈沖不同,脈沖波形不再總保持單峰結構,通常將經歷一個從近平頂、多峰、最後到單峰的演變過程;從脈沖的前沿到后沿,瞬時明啾也不再為線性,而是具有多個極值;峰值強度隨傳輸距離的變化趨勢也不再為一單調遞減,而是先增加后減小。At the same time, the design of cascaded coupler with a given ratio distribution is proposed, which can lead to higher isolation by suppressing sidelobe. 2. according to theoretical analysis and numerical simulation, the interleaver can show flat - top and high isolation pass band characteristic when the two couplers " ratio is assigned to 15 percent
2 .對全光纖反射式奇偶交錯濾波器進行了理論分析和數值模擬,發現當兩個耦合器的分光比均為15時產生了平頂高隔離度的通帶頻響特性,做了相關實驗,結果與理論分析基本符合。Then introduce some corresponding research work on water modeling briefly, expatiate the generating method of water wave in chapter 3, viz. simulate water wave with physical modeling method. we use the integrated kinetic equations, take wave as countless compact water columns, simplify the top surface of these columns, and get the numerical result
論文完成的主要工作包括:在第二章介紹了相關的研究背景之後,第三章首先簡要介紹了目前對水波模型生成所做的研究,在此基礎上,作者採用武漢理工大學博士學位論文完整的動力學模型方程組,將水波當做無數緊密排列的水柱,對水柱的頂平面高度進行簡化、求解,從而得到波形模型。分享友人