波的速度 的英文怎麼說
中文拼音 [bōdesùdù]
波的速度
英文
wave propagation velocity- 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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It ' s 50 over a choppy sea. - fifty - five
在波濤起伏的海面上以50英里的速度前進- 55- it ' s 50 over a choppy sea. - fifty - five
-在波濤起伏的海面上以50英里的速度前進- 55The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed
較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。Group velocity ( simulation output image created using matlab ? software. ) ( provided by prof. chiang c. mei
波群速度(使用matlab ?軟體產生的模擬輸出影像) 。Based on the model of safe following distance, the design blue print of system is presented in the text. using the multiple impulses horae rotate speed sensor to measure the vehicle speed and nanometer radar to measure the distance of own vehicle to frontal vehicle, and analyzing and judging collected information by at89c51 which is the control centre of the system
本文在安全跟車模型的基礎上,提出了系統方案:採用霍爾多脈沖轉速傳感器測量汽車的速度,毫米波雷達測量兩車的距離和相對速度,利用at89c51作為信息採集單元的控制中心,對各種信息進行分析判斷,當行車距離小於報警距離時啟動相關的報警單元。For short wavelengths, approaching the intermolecular distance, the velocity can vary with wavelength
而對于波長短到接近分子間距離的波,其速度則會隨頻率而改變。The consolidating wave speed means the speed at which elastic stress wave transmits throughout reinforced concrete, and it is intervenient the inherent wave speed of steel and of the concrete. moreover, the consolidating wave speed inherent in the material of the reinforcing steel bar and the concrete, and it relates to the cling strength of steel bar and the concrete
固結波速是指彈性應力波通過鋼筋-混凝土體系傳播時的速度,通過理論分析得知固結波速的大小介於鋼筋和混凝土中彈性應力波速之間,由鋼筋與混凝土二者的材質特性決定,與二者的粘結強度密切相關。A boeing 747 jumbo jet airliner lands at a speed of 160m/s.
一架波音747巨型噴氣式班機以160米秒的速度著陸。Strauss usually rushed to get the notes down at the eleventh hour, scoring them at full speed waltzes, and polkas and marches, too
斯特勞斯經常在夜裡11點時匆匆寫下歌詞,又以最快的速度把它譜成曲子? ?有圓舞曲、波爾卡也有進行曲。Because the processor is fast enough to perform this task many times a second, the array can continually readjust the radio beam as the cell - phone user walks or drives across the array ' s coverage area
因為處理器的速度很快,可在一秒內執行多次工作,所以當行動電話用戶在陣列涵蓋?圍內行走或開車時,陣列可不斷重新調整無線電波束。The rhine flowed on, swirling and eddying, at six or seven miles an hour.
萊茵河不斷以每小時六、七哩的速度,滔滔滾流,波濤起伏。Finally, at long ranges, the blast wave becomes essentially a sound wave and its velocity approaches ambient sound velocity.
最後,在很遠的距離處,爆震波基本上就變成一種聲波,其速度已接近周圍的聲速。Velocity field in ship waves on the viscous fluid
在粘性流體中船行波的速度場Meanwhile, the spectrum is also related to the shock wave velocity
光譜的結構特徵也依賴于激波的速度。Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed
本文以裂隙介質的波動理論作指導,根據hudson裂隙理論,求出eda介質的彈性參數。在此基礎上,應用christoffel方程求出的地震縱波相速度表達式,探討了裂縫密度和裂隙方位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系數的影響。As a shipbuilder, cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship ' s power and limits its speed
作為一個船舶技師,科克雷爾在尋找解決波浪阻力的方法,因為波浪阻力浪費掉了船在水面行駛的大量動力,從而限制了船的速度。Z - tranformation augmented fasf algorithm proposed in the dissertation can reduce the search space of integer ambiguity effectively, improve the effiency and real - time processing ability of integer ambiguity resolution ; it is essential to analyse the reliability of integer ambiguity after it was fixed, the ratio test algorithm proposed in the dissertation can reduce the time to fix new integer ambiguity after wrong fixes are detected ; to reduce further the number of epochs required for ambiguity resolution, that the baseline length constraint information which acts as observables is used to do kalman filtering to speed up ambiguity resolution is proposed
本文提出的z變換增強fasf演算法能有效的減小模糊值搜索空間,提高整周模糊值解算的速度和實時性;整周模糊值確定后,需要對整周模糊值的可靠性進行分析,本文提出的比率檢測演算法能有效的減少整周模糊值錯誤確定后整周模糊值二次解算所需要的時間;為了進一步減少整周模糊值解算所需的歷元數目,本文提出把基線長度先驗信息作為觀測量進行卡爾曼濾波輔助整周模糊值求解。Moving at speeds of up to 175 mph, winds from hurricane floyd destroyed many homes and devastated the areas of tarboro and princeville, north carolina
佛洛德颶風以每小時175英里的速度移動,摧毀很多家園,肆虐北卡羅來納州的塔波羅和普林斯維爾兩地。In order to exert the speed performance of gaas mid frequency switch and improve the agility to be compatible with ttl control electric level of most present system, we studied the gaas mid frequency switch with ttl driver
為了充分發揮gaas開關的速度性能,提高gaas微波開關的使用靈活性,以及與目前多數系統中的開關ttl控制電平相兼容,我們對ttl電平驅動器的gaas中頻開關進行研究。Along with increase of pressure, the parameters such as velocity, amplitude, main frequency and quality factor of seismic wave change big gradually, while change very weakly with the change of temperature. through testing research for artificial crack and pore model, we conclude that crack density, azimuth, opening and the change of pore have obvious influences on speed, amplitude, attenuation ( or quality factor ) and main frequency of seismic wave etc. but, seismic wave dynamic characteristics are more evident than its kinematical characteristics for the change of crack and pore parameters. therefore, it offers reliable experiment foundation for detecting crack and pore by seismic wave kinematical characteristics ( such as amplitude, attenuation and main frequency etc. )
通過對人工裂縫和孔洞模型的超聲波實驗研究,可以認為:裂縫密度、方位、張開度和孔洞密度的變化對縱橫波的速度、振幅、衰減(或品質因子q )和主頻率等參數均有明顯的影響,但裂隙參數的變化對地震波動力學特徵參數(振幅、衰減、主頻率等)的影響遠遠大於對運動學特徵參數(速度等)的影響,這為利用地震波的振幅、衰減和主頻率等屬性參數進行裂縫和孔洞特徵的檢測提供了可靠的實驗基礎。分享友人