相干效應 的英文怎麼說
中文拼音 [xiānggānxiàoyīng]
相干效應
英文
cohere effect- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 干 : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 相干 : 1 (多用於否定句或疑問句) have to do with; be concerned with 2 [物理學] coherent; 相干散射 coher...
- 效應 : [物理學] effect; action; influence
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In this paper, based on land use maps of 1976, 1988, 2003, which were interpreted from the landsat mss / tm / etm imageries, and the map of main road, with the buffer analysis tool in arcgis 8, we studied the land use and land cover change on the two sides of the main roads in xishuangbanna, then we studied the impact of population density and the topographic factor on road effects. during the study both the comprehensive land use dynamic degree model and the land use degree comprehensive index model are taken into account, we put forward a compensatory model ? “ amendatory comprehensive land use dynamic degree model ”
由於人類活動干擾強度加大,公路效應深度不斷擴展, 1976年為5km , 1988年為7km , 2003年達到11km ;受自然、社會條件的影響,不同路段的公路效應存在較大差異,甚至同一路段兩側效應也各不相同。 1976年至2003年,距公路不同距離范圍內的人口密度都在增加,且距離公路越近,人口數量密度越大、增長越快,人口分布有向公路兩側聚集的趨勢。選取人口密度為大、中、小三個樣區分別分析公路效應的范圍表明,人口密度Initial growths of disturbances are measured by means of hot - wire anemometry. due to the detected signals with low signal to noise ratio, the coherence function is used to eliminate background noise during data reduction
在擾動增長的初始階段,信號的信噪比非常地低,根據相關譜分析方法,應用相干函數,將擾動信號有效地提取出來,測量了初始擾動的增長。Admittedly the term temporal coherence seems to imply an effect which is exclusively temporal
顯然,時間相干性這個術語似乎意味著一種只屬于時間的效應。When a collimated - well gaussian laser beam passes through a 27i - phase plate and then focused by a lens, a focused hollow beam ( fhb ) will be generated behind the lens, as a result of the completely ( r = 0 ) and partially ( r 0 ) destructive interference effects around the central region of the beam
當一束準直的高斯光束通過具有2位相分佈的位相片和一個薄透鏡時,這將導致在入射高斯光束中心的完全和部分相消干涉效應,於是在透鏡后就會形成一束聚焦中空光束( fhb ) 。The relative biological effectiveness of 0. 5 mev neutrons to induce micronuclei in the root - tip cells of onion seedlings after irradiation as dry dormant seeds
單能中子照射洋蔥干種子后在根尖細胞內誘發微核的相對生物效應The results show : ( 1 ) that the dynamical properties in the system depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the atomic dipole moment can be completely squeezed via choosing optimal degree of entanglement of the initial atoms in the feeblish optical field ; ( 2 ) that the quantum properties of the system also depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the radiation field can be effectively squeezed via choosing optimal degree of entanglement of the initial atoms in the fee blish optical field
( 2 )相干態光場的強度和兩原子的初始糾纏度對光場的量子特性也有很大的影響。光場的二階相干性質(聚束與反聚束)和光場的壓縮效應均與光場強度和兩原子糾纏度相關聯。在弱光場中,選擇合適的兩原子初始糾纏度,光場壓縮深度和時間可達到最大。Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed
分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用In quantum system, noise primary results from decoherence and imperfect quantum gates. the code that combat noise is named quantum channel coding
在量子系統中,通道噪聲主要源於消相干效應和量子門的不精確性。Atomic coherence effects in four - level system
四能級系統中的原子相干效應Compared with three - level atomic system, the atomic coherence effects in four - level can lead to eit and eia, which depend on the intensity of control light and the relaxation of the fourth level
與三能級原子系統相比,四能級原子相干效應即可導致電磁感應透明的產生,也可產生電磁感應吸收現象,取決于控制光的強度和第四個能級衰變率的大小。It has been shown that at the heart of various quantum coherence effects lies cpt
業已表明,在各類量子相干效應中,相干捕獲是一種基礎的效應。The decoherence suppression issue is studied for two - level quantum systems based on coherent control strategy
摘要對於二能級開放量子系統,研究了利用相干控制抑制退相干效應的問題。Clinical study on principle of phlegm - transforming and stasis - expelling for treatment of 64 cases of acute ischemic apoplexy : a comparison with western medicine
頭穴為主治療缺血性中風后遺癥活血與致瘀正相干效應的臨床研究The atomic coherences in four and three level systems are discussed in this thesis : 1 ) atomic coherence effects in four - level n - type atomic system are discussed
為此,我們對此做了一系列深入研究,本文的主體內容有二:第一,研究了n型四能級原子系統中的原子相干效應。The effect of atomic coherence has attracted much attention in quantum optics such as lasing without inversion, the enhancement of nonlinear process, the storage of pulse and laser cooling
原子相干效應在無反轉激光、非線性過程的增強、光脈沖存儲以及激光冷卻等量子光學的眾多領域都有潛在的應用價值。Seismic response analysis of a long - span cable - stayed bridge under random seismic excitations with spatial variations, including travelling effect, incoherence effect and local site effect, was made with stochastic method
摘要以南京第二長江大橋南漢橋為例,採用隨機振動分析方法研究了地震動的空間變化特性,包括行波效應、部分相干效應以及局部場地效應對大跨度斜拉橋地震響應的影響。In this paper we have predicted two kinds of new quantum coherence effects. one is the strong - field index enhancement via selective population trapping of dressed states and the other is the preservation of the coherent population trapping ( cpt ) is by quantum interference of incoherent pump processes
本文提出了兩類新的原子相干效應,一是利用選擇性修飾態捕獲產生強場折射率增強,二是非相干泵浦誘導的量子干涉保護相干捕獲。The ultimate carrying capacity, fracture process and stress - strain relationship on rock generic material are studied with dissipation structure theory in this paper, which shows the essence of mechanical characteristics on rock generic material can be studied deeply from the point of view of system and energy
研究結果表明巖石類材料變形系統具有耗散結構的特性,巖石受力產生變形是非線性動力學過程,即系統內部各要素之間發生協調和相干效應,巖石承載力(強度)是外界做功功率和巖石自身耗散能率達到平衡的外在力學表現。The experiments have shown that this method effectively simulates the intrinsic baseline decorrelation effect of insar
實驗證明,該方案的確能夠正確、有效模擬干涉sar成像固有的基線去相關效應。Based on this study the following conclusions are drawn : the responses of cable - stayed bridge under seismic excitations with spatial variations differ from those under uniform seismic excitations up to 30 % ; the responses obtained by considering travelling effect as well as incoherence effect are close to those obtained by only considering travelling effect ; travelling effect has more significant effect on the seismic responses of cable - stayed bridge than incoherence effect ; if r. m. s. ( root - mean - square ) of random seismic ground motions are equal, seismic responses are considerably greater for the case of soft soil than for the cases of firm soil or medium soil
研究結果表明:與一致地震激勵相比,地震動的空間變化特性可以使斜拉橋的地震響應改變30 % ;同時考慮行波效應、部分相干效應時的地震響應接近於僅考慮行波效應時的地震響應;行波效應對斜拉橋地震響應的影響明顯大於部分相干效應的影響;在加速度均方根相同的隨機地震作用下,斜拉橋在軟場地條件下的地震響應明顯大於在硬場地條件下的響應,中等場地條件下的地震響應介於兩者之間。分享友人