相消干涉 的英文怎麼說

中文拼音 [xiāngxiāogānshè]
相消干涉 英文
destructive interference
  • 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...
  • 消 : 動詞1 （消失） disappear; vanish 2 （使消失; 消除） eliminate; dispel; remove 3 （度過; 消遣） pa...
  • 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...
  • 涉 : Ⅰ動詞1 （徒步過水 泛指從水上經過; 渡） wade; ford 2 （經歷） go through ; experience 3 （牽涉） i...
  1. This situation is called destructive interference.

    這種情形稱作相消干涉。
  2. We design several combined photonic crystals models based on the destructive interference theory, which can transfer completely the energy of a signal from one channel to another, or can realize light switching

    本論文首次利用干涉相消的原理，設計了滿足一定條件的復合型光子晶體能量轉移模型和光子晶體光開關。
  3. So we can say destructive interference of atomic coherence leads to electromagnetically induced absorption, constructive coherence of atomic coherence leads to electromagnetically induced transparency

    因此，我們可以確切地說，原子相干對吸收的相長干涉產生電磁誘導吸收，原子相干對吸收的相消干涉導致電磁誘導透明。
  4. The one - half wavelength out of phase caused by the specimen itself enables this light to cause destructive interference with the direct light when both arrive at the intermediate image plane at the diaphragm of the eyepiece

    這種由標本產生的半個波長的相位差的光線與直射光同時到達位於目鏡光欄的中間像面時會產生相消的干涉。
  5. In this paper we have done two work, one is we, in the dressed states representation, reveal that the constructive interference of atomic coherence on absorption leads to electromagnetically induced absorption, which is in sharp contrast to the case in which destructive interference of atomic coherence gives rise to electromagnetically induced transparency and the other is we reveal that coupling field linewidth inhibits electromagnetically induced absorption, by employing a four - level system in which three transitions are in n configuration and the middle transition serves as a probe transition

    本文主要做了兩方面的工作：一是在修飾態表象中揭示修飾態原子相干對吸收的相長干涉產生電磁誘導吸收，這與修飾態原子相干對吸收的相消干涉導致電磁誘導透明的情形形成鮮明的對照。二是在裸態中，引入耦合場的線寬，從而發現耦合場的線寬抑制電磁誘導吸收。首先研究電磁誘導吸收。
  6. 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 ） 。
  7. The objective of pif is to realize a certain distribution of interference spectrum, while that of the achromatic wave plate is to realize the retardation by using several crystals to modulate the input beam

    Pif是要實現一定的干涉光譜分佈；消色散波片則是要通過多塊晶體對入射光的調制實現一定的位相延遲。
  8. Specifically, they recombine destructively ? that is, the waves cancel each other out

    具體一點講，光束合併時進行相消性干涉，也就是光的波長互相抵消。
  9. Where the diffracted wavelengths are 1 / 2 wave out of step for each of these colors, the waves destructively interfere

    當這些顏色的衍射波的波長相差1 / 2波長時會產生相消的干涉。
  10. 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。
  11. After that, algorithms about the analysis of interferogram were realized in matlab. the related program analyzes the interferogram, and gives the three dimension profile of sample surface

    建立了干涉圖像的採集、位相計算、消跳變處理和波面擬合的相關演算法，並用軟體實現了這些演算法。
  12. It is well known that electromagnetically induced transparency ( eit ) occurs because of the absorption cancellation by atomic coherence and interference

    我們知道電磁誘導透明（簡稱eit ）是原子相干對光吸收的相消干涉所致。
  13. It is found that the fwm field can cause the asymmetry of electromagnetically induce transparency profile. in addition, the effect of different propagating orientations of probe field on the electromagnetically induced transparency is also discussed. in the molecular multi - level system with the perturbed superposition levels, we discuss the electromagnetically induced transparency, spontaneous emission enhancement, double dark resonance and double electromagnetically induced transparency by using the density matrix equation under weisskopf - winger approximation and dressed - state density matrix equation

    針對實際的實驗條件，考慮了一種影響量子干涉的新的因素-四波混頻場，研究了四波混頻場對雙光子探測的-型能級體系的eit的影響，發現四波混頻場能夠導致雙光子探測的eit線型的不對稱，在此基礎上，討論了不同探測場的傳播方式對eit的影響，針對分子中實際存在的包含有微擾能級的不同多能級系統，我們分別採用綴飾態繪景下的密度矩陣方程和weisskopf - wigner近似下的密度矩陣方程詳細地討論了電磁感應透明、自發輻射的干涉相消和相長、雙暗態共振和雙電磁感應透明現象。
  14. On the basis of the chavacteristic that the interferometric fringes have minimum gradient in the tangent direction, this paper employs the spin filtering with curved windows along the fringe tangent direction for interferometric phase images, and its feasibility and efficiency in keeping the fringe information, suppression the noise and improving the unwrapping precision are proved through comparing the different filtering methods and the corresponding phase unwrapping results

    文中根據干涉條紋在切線方向變化最小的特點，利用沿切線方向的曲線窗口對干涉相位圖進行旋濾波降噪，並通過對比不同的濾波結果及相應相位解纏結果，證明了旋濾波在保持條紋結構信息，消除噪聲和提高相位解纏精度應用中的可行性和有效性。
  15. Because mz interferometric optical fiber gyroscope has bigger nonreciprocal phase, the system thermal stability, polarization noise and the error caused by the fluctuation of light source is particular analysed, some effective methods is proposed such as : using the " quasi - white - light " interferometry and the fiber polish technology accurately to control the fiber length, using depolarization light to minish the polarization error, and using temperature control, optical power control and depolarizer to stabilize the output of the light source

    結合mz干涉式光纖陀螺的存在較大非互易相移的特點，著重從其溫度穩定性、偏振噪聲以及光源波動引起的誤差三個方面分析了抑制噪聲、提高檢測精度的方法，提出了：採用「準白光」干涉測量法結合光纖研磨技術精確控制光纖長度差的辦法；採用非偏振光源抑制偏振噪聲的方法；採用溫度控制、功率控制以及消偏器實現穩定化陀螺光源的方法。
  16. The reasons of the appearance of phase error in the system of direction finding by phase interferometer are introduced and a method of eliminating phase error resulted in inconsistency of channels is put forward

    摘要介紹了相位干涉儀測向系統相位誤差產生的原因，針對因通道不一致性導致的相位誤差提出了一種消除方法。
  17. Many novel physical phenomena such as coherent population trapping, lasing without inversion, electromagnetically induced transparency as well as spontaneous emission cancellation and enhancement based on quantum interference have been discovered

    基於量子干涉效應，產生了許多新的物理現象和效應，如相干布居捕獲、無反轉激光、電磁感應透明和自發輻射相消等。
  18. The fundament of flat terrain phase effect and its removal are stated. the interferogram consists, for each pixel, of the complex conjugate product of two sas images directly, which ca n ' t reflect the actual terrain change. the general phase trend in range can be considered as the phase generated by an ideally flat terrain and is often subtracted from the interferogram before further processing

    論述了水平地形效應產生原理及其消除方法，由於水平地形效應的存在使得兩幅sas復圖像直接復共軛相乘得到的相位圖不能直觀地反映出實際地形的拓撲變化，所以在對干涉相位圖進行濾波及相位展開處理前應當消除干涉相位圖像的水平地形效應。
  19. Two wedge interferometers are designed that the thickness of one is higher than the other. so when the incident coherent light through the interferometers can acquire two fringe patterns which having space shift, but the incident incoherent light only result in consistent intensity signal. through a differentiating amplifier, two signals subtract which can eliminate noise of background and result in higher contrast ratio fringe signals. this method largely improves the system and the ability of detection. the spacing of line fringes is a function of incident laser wavelength, by analyzing, we can extract the wavelength of incident laser. the optical unit analyzing and results also simulated with matlab

    當背景光入射時，直接穿過干涉儀，僅發生強度的衰減，在兩個探測平面上產生幅度基本一致的灰度信號，通過差分放大器，相消為零，從而抑制了背景干擾。當激光信號入射，穿過干涉儀時受到調制，在探測平面上產生干涉條紋。通過所設計的存在平均厚度差的雙楔形干涉儀，兩路干涉條紋圖案出現相對移位：在兩個探測平面對應的位置上，一路出現亮紋，另一路出現暗紋。
  20. Because the thickness is uniform in every crystal, the value of the difference of phases is only determined by the wavelength. specifically, the interference strengthens the magnitudes in some wavelengths, thus the color of that wavelength will be displayed ; on the contrart, in other wavelengths, the interference attenuates the magnitudes, thus the color of that wavelength will disappear

    由於晶體為均勻厚度，該位相差僅由波長決定，對于某些波長，干涉加強，該波長對應的顏色凸顯；對于某些波長，干涉減弱，該顏色消失。
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