number of waves 中文意思是什麼

number of waves 解釋
波數
  • number : n 1 數；數字；〈pl 〉算術。2 （汽車等的）號碼；第…，第…卷，第…期〈通常略作 No （復數 Nos ），用於...
  • of : OF ＝Old French 古法語。
  • waves : WAVES ＝ Women Accepted for Volunteer Emergency Service 〈美舊〉（海軍）婦女預備隊。
  1. Using the hulscher model of the formation of sand waves and sandbanks, under the ancient bathymetry, or under the modern bathymetry, the stokes number of the tidal flow and resistance parameter in the radial sandbanks satisfy the conditions for the formation of sandbanks. the research demonstrates that the dynamic flow conditions result in the development of tidal current sandbank. the radial sandbanks and it ' s asymmetrical distributions will still maintain in the future

    應用hulscher沙波及沙脊增長模式，通過對該海域斯托克斯數及底部阻力參數的計算首次發現，南黃海輻射沙脊群海域在概化古地形和現代輻射狀沙脊群水下地形情況下，其斯托克斯數及底部阻力參數均滿足形成潮流沙脊的條件。
  2. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為，當信號集中的任一信號可表示為一系列已知信號的線性代數和時，信號集便構成可分解信號集，已知信號稱為基波信號；對可分解信號而言，基波系數構成一序列，當對指定的基波信號集分解唯一確定時，系數序列本身便是信號的一個表示；可分解信號采樣定理指出當基波樣值矩陣的秩等於基波數時，則由采樣點處的采樣樣構成的樣值序列必與基波系數序列一一對應，從而由該樣值序列構成的采樣必為完全采樣；可分解信號采樣定理中的推論指出，對信號集進行采樣，采樣頻率必須大於其信號分解的基波數與其對應時長之比；對有限帶寬信號，若基波信號為正弦信號時，由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  3. A number of these projects have influenced the development of the extreme sports milieu. a selection of these influential events includes : the eddie aikau big wave invitational series at waimea bay ; the ground - breaking 1995 quiksilver pro at g - land, indonesia, that put hardcore credibility back into professional surfing events the best surfers in the best waves ; the world amateur surfing championships at newquay england, 1986 ; the quiksilver snowboarding and surfing cup in europe ; the quiksilver roxy pro at sunset beach, north shore, oahu ; the quiksilver winter classic surf snow event ; the quiksilver mavericks big wave event ; the roxy surf jam at hanalei and ventura, the quiksilveredition molokai to oahu paddleboard race

    這些具有影響力的活動包括：在waimea灣舉行的eddie aikau big wave邀請賽系列1995年在印度尼西亞g - land舉行的極具震撼性的quiksilver職業賽，它將艱難的比賽環境重新置於職業沖浪活動中在最好的浪上誕生最好的沖浪手1986年在英格蘭newquay舉行的世界業余沖浪錦標賽歐洲的quiksilver滑雪和沖浪杯賽在瓦胡島北岸的日落沙灘舉行的quiksilver roxy職業賽quiksilver冬季古典沖浪滑雪活動quiksilver mavericks big wave比賽在哈納雷hanalei和文托拉ventura進行的roxy surf jam莫洛凱到瓦胡島的quiksilveredition槳葉式沖浪比賽。
  4. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線，實驗結果表明，溫度漲落的中性曲線在低格拉斯霍夫grashof數
  5. Realistic signals are made by summing sine waves of lots of frequencies, so that after some finite number of wavelengths they interfere destructively and you get a signal of finite width and duration

    現實中的信號由各種頻率的正弦波組成，因此，在有限的波長數后，它們會干涉相消，你就得到一個有限寬度和有限延續的信號。
  6. In this paper, by checking up the heat calculation about the experiment results of the single row tube and double waves belt, i come at the function of the heat transfer factor j and the reynolds number re, i also come at the function of the f r i ct i on factor ^ " and the reyno i ds number re

    本文還通過對單排雙波帶散熱器的實驗結果進行校核熱計算，回歸導出該種散熱器的傳熱因子j及摩擦因子f與雷諾數re的數學表達式，從而為用這種芯子根據廠家要求設計散熱器提供了理論依據。
  7. In blasting experiments, durations of subordinate basting seismic waves and intensity of influence among them are changed by adjusting the number of subordinate blasting, explosive weigh of subordinate blasting, total quantum of explosive, interval, hole - net parameters and wave resistance of rock, etc

    摘要在爆破實驗中，通過調整段數、分段炸藥量、炸藥總量、間隔時間、孔網參數、巖石波阻等爆破相關因素，以改變各分段爆破地震波持續時間、段別間爆破地震波重疊程度來研究爆破地震強度與爆破相關因素間的相互關系。
  8. In recent decades, a number of coastal engineering projects have much reduced the risk of coastal inundation and attack by waves on coastal facilities. timely weather forecast and warnings have also greatly reduced related casualties. regrettably, because of a general lack of understanding of swells, lives were lost every now and then

    近數十年來，盡管多項海岸工程已大大減低香港沿岸設施遭受海水淹浸和海浪沖擊的危險，而適時的天氣預測和警報亦大大減少相關的人命傷亡，但可惜涌浪始終少人認識，以至多次造成傷亡事故。
  9. And the no - isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small - scale waves. the propagation of gravity wave will affect the distribution of minor species. the breaking of gravity wave accelerates the downward transport of atomic oxygen, some smaller - scale structures appear on the horizontal distribution of atomic oxygen number density, and other chemical species are also affected due to the chemical reaction with atomic oxygen and the propagation of gravity wave

    在重力波的傳播過程中，氫氧大氣成分的水平和垂直分佈均受到了不同程度的影響，以氧原子的響應最為明顯，而其中重力波破碎在氧原子水平分佈上的反應則是非線性重力波過程的一個重要表現；另外，分析顯示，重力波的非線性傳播對oh氣輝的峰值分佈由明顯影響，小尺度重力波的傳播有時會引起oh氣輝出現奇異的雙峰分佈，重力波的破碎現象也可以從對氣輝的觀測中反映應出來，這對利用氣輝觀測研究重力波傳播特性有非常重要的指示意義。
  10. An outstanding meaningful fourth order ordinary differential equation is considered, whose solutions constitute some particular solutions of a great number of partial differential equations which depend on a time and space variables. such as stationary solutions, travelling waves and certain more solutions with complex relation between time and space variables

    這類方程的解構成許多恰含有一個時間與空間變量的偏微分方程的某種特殊解；如與時間無關的定常解及時空間成線性關系的行波解，乃至具有更為復雜的時空間關系的解。
  11. Subsequently, the waves induced forces and their driven effects on currents are studied in detail. in the discussion of the effects of currents on waves, according to the wave radiation theory and the law of wave action conservation, the equivalence of none vorticity condition of the vector of wave number in constant wave field and fermat theory is testified. the dynamic and kinematics effects of background currents on waves are introduced concisely

    在流對浪的作用討論中，依據波動的射線理論和由變分原理導出的波作用量守恆定律，闡明了穩定波場波數矢量的無旋條件與費馬原理的等價性，扼要討論了背景流場影響海浪的運動學效應和動力學效應，首次指出水位（包括天文潮位與風暴潮位）變化對海浪成長與消衰的影響，為流浪潮聯合數值模式的發展提供必要的理論依據。
  12. As hong kong has developed into one of the world s largest and most important ports, navigation through hong kong waters has increased immensely. the sea is also widely used for recreation and sports, with hundreds of thousands of hong kongers visiting beaches to swim or surf in the summer, diving to see the beautiful corals or getting out on the waves in boats of every description. further, hong kong s marine waters are used for a number of very practical purposes, including for cooling in power plants and air conditioning systems, for toilet flushing, and as a way of disposing of treated effluent

    今日的香港已是世界最大和最重要的港口之一，每年有大量船隻駛入本港水域運貨或載客，此外市民亦會在岸邊進行各式各樣的康樂及體育活動，每年夏天到泳灘游泳弄潮滑浪潛水觀賞珊瑚或乘船作樂的市民更是數以百萬計，同時海水還有許多實際用途，例如用作發電廠和空調系統的冷卻水和沖廁水，經處理過的污水也是由此排出大海。
  13. For two mesoscale vortices coexisting, the disturbance outside rmw diminishes the intensifying role of near eyewall disturbance on tc intensity. the two mesoscale vortices for east - west distribution are similar to azimuthally wave number two and intensify tc more strong than other two vortices distributing and weaker than actual azimuthally wave number two waves disturbance

    雙渦分佈條件下， rmw外圍區的擾動使近眼臂區擾動對tc的加強作用減弱，東-西分佈的兩渦類似於方位2波的擾動，比其他形式分佈的對tc強度的加強作用要強，但這種類博士學位論文：地形對渦旋r 。
  14. According to the test results from 18mm - thick - steel plate adhering to concrete, gas and oil, the obvious differences in the attenuation coefficient and number of bottom waves are found. the test results shows that it is feasible to adopt ultrasonic longitudinal wave reflection method to test the bonding quality of the steel and

    採用超聲縱波反射法單面檢測鋼-混凝土的粘結質量是可行的，採用底波衰減系數和底面反射波的個數作為判定鋼-混凝土的粘結質量依據是有效的，所採用的理論分析模型是正確的。
  15. To combine linear waves with concentric ripples, set number of waves to a low number ( 1 to 3 )

    為了將同心波紋和線性波浪相混合，設置波紋數到一個小數目（ 1到3 ）
  16. ( 6 ) the results of the stream function field of quasi - resonance three waves transforming with time evolving make sure further that the low - frequency oscillation exists in extratropical latitude, which has greater corresponding relationship with the wave oscillation obtained from the combination of the basic flow, the number of three waves and amplitude

    （ 6 ）在準共振三波流函數場隨時間變化的試驗結果中，進一步證實了中高緯大氣存在較好的低頻振蕩，且與相應的基流、三波波數和振幅組合所得的波動振蕩有較好的對應關系。
  17. The number of linear waves in the texture. the valid range is 0 to 100. the slider range is 0 to 32. the default is 8

    紋理的線性波紋的數量.有效的范圍是0到100 .滑動器范圍是0到32 .預設值是8
  18. With the broad application of the electrical and electronic technology in the industry branches and the power apparatuses, the number of non - linear loads is much more and more, and the capacity of them is biggish, so a mass of harmonic is injected into the power system, which produces the waves of voltage and current in power system to be aberrant seriously

    隨著電力電子技術在各工業部門和用電設備上的廣泛應用，非線性負荷數量越來越多，容量也越來越大，諧波大量注入電網，使電力系統電壓、電流波形發生嚴重的畸變。由於大多數儀器、儀表是針對工頻正弦波設計的，因而造成指示數據不正確。
  19. The simulation result also shows that the penalty to spare capacity needed is very small with the new algorithm apart from the reduction in the number of searching waves

    模擬結果表明，該演算法的恢復率同已有演算法相當，但所需的搜索趟數卻能獲得大幅度的降低，同時也不顯著增加備用容量的消耗。
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