非相干 的英文怎麼說

中文拼音 [fēixiānggān]
非相干 英文
[物理學] [電學] incoherent
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 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...
  • 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...
  1. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    （ 2 ）根據不同的前提條件，採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數；深入地研究了寬帶匹配場處理中的相干與非相干問題；在分析參數反演的敏感性之後，提出了淺海環境參數寬帶匹配場反演的多步優化策略，並與全參數反演方法進行了性能上的模擬比較。
  2. The density distribution shows coronet as to the single mode. and the density distribution shows equality as to the multi - modes, except the little hollow in the optical fiber core. the second is coherent incidence light

    結果表明，對于非相干情況，輸出光強為中心對稱和沿徑向非均勻衰減形式；對于相干情況，輸出光強分佈為復雜的峰谷分佈形式。
  3. Non - coherent demodulation of bpsk signal based on time measuring

    信號非相干解調方法
  4. Incoherent detectors are those in which a current or voltage is generated in direct proportion to the amount of received power.

    非相干的探測器產生正比于被接收功率的電流或電壓。
  5. As with incoherent light one then adds irradiances rather than amplitudes.

    就和非相干光的情況一樣，這時是將輻照度相加而不是把振幅相加。
  6. The focus of this paper is the problem of frequency optimum codes of irrelevance processing. the method of researching optimum codes by using costas array method is given

    著重討論了非相干處理時的頻率最優編碼問題，給出了以costas陣列方式尋找最優編碼的方法。
  7. In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking

    系統的發射機選定/ 4 - dqpsk為調制方式，接收機採用基帶差分解調的非相干解調方式，滑動相關器捕獲發送的pn序列，早遲門同步器跟蹤符號同步，使用相關器對同步后的符號進行最佳判決，並在這些演算法實現的基礎上，實現了直接序列擴頻和解擴技術。
  8. Firstly, how to choose spreading factor of non - coherent dcsk system that minimizes the bit error rate for a given eb / n 0 is discussed in this paper

    文中首先討論了非相干dcsk系統在給定eb / n0下，如何選擇擴頻系數使其誤碼率最低問題。
  9. Quantum interference occurs in a three - level a system with near - degenerate dipole allowed transitions, which are coupled to the same linearly polarized incoherent field

    如，當a型的兩個躍遷與一個線性極化的非相干場進行耦合時，非相干泵浦產生量子干涉。
  10. In the first part of this thesis, the reasons of develop led biology light source have been discussed from the effects of non - concern homochromy light on cells, the mechanisms and non - resonance characters of photobiomodulation on cells, the biological information model of photobiomodulation ( bimp ) of low intensity laser ( lil ) proposed by professor liu tcy

    論文的第一章，首先從非相干單色光的細胞生物效應、光生物調節作用機理、光生物調節中非共振作用的特徵、以及生物信息模型（ bimp ）等幾方面，論述和確立了研製led生物光源的理論依據。
  11. Wavelet packet transform is used to improve the snr of the incoherent integral radar echo, and bispectrum algorithm is used for signal detection in this united detecting algorithm, based on the modeling for the through - wall radar echo

    在對穿墻雷達回波信號建模的基礎上，用聯合演算法將非相干累積后的回波信號經過小波包變換提高信噪比，再用雙譜演算法進行信號檢測。
  12. Chapter 5, short but is the core of this paper. the flatter impact shock generated by a homogenized beam by isi with strict image relay, and a round - shaped impact shock generated by isi without strict image relay, is compared. it reveals the importance of isi with strict image relay in planar shock generation

    第五章重點介紹了激光產生飛片的實驗，分別給出了利用空間誘導非相干（ isi ）激光均勻化技術，在有嚴格的像傳遞和沒有嚴格的像傳遞條件下激光驅動飛片產生沖擊波的特徵，表明isi均勻化技術和像傳遞在產生平面沖擊波中的重要性。
  13. It is also discussed how to get the optimum polarization state of the antenna when the scr is optimum. not only the power of cylinder in air but in rain are used in calculating the scr

    對于非相干目標，文章用kennaugh矩陣得到接收功率，然後用拉各朗日乘子法求出最佳極化狀態和最優接收功率。
  14. To solve this contradiction we introduce the polarization track restriction and calculate the biggest scr ( ratio of signal to clutter ) of coherently and incoherently reflected waves

    為了解決這一矛盾引入了極化軌道約束條件，計算了在極化軌道約束下相干情況和非相干情況下共極化通道最大接收功率與極化狀態的關系。
  15. Then based on kirchhoff approximation theory, the formula of the coherent and incoherent scattering intensity of plane wave from two dimensional dielectric normally distributed rough surface are derived, and the scattering intensity of a planar, rough surface of unit area

    然後從粗糙面散射kirchhoff標量近似理論出發，得到了平面波對高斯分佈的二維隨機粗糙面的相干散射和非相干散射強度表達式，並給出了單位面積粗糙面非相干散射的表達式。
  16. The scattering intensity of rough surface is computed, while the roughness, polarization, observation station and the refractive index are different, and the wavelength of incident light is 0. 48 m. the results indicates the rougher the rough surface is, the less the coherent scattering is ; the influence of the smaller refrective index is more than larger one by the polarization

    計算了入射光波長為0 . 48 m時，不同粗糙度，偏振態，散射角以及不同折射率的粗糙面散射強度，結果表明，粗糙面越粗糙，相干散射越小，非相干散射越強;偏振態對折射率大的粗糙介質面影響較小，對折射率較小的介質面的影響較大。
  17. According to the interference of light source, two conditions should be considered. the first is incoherent incidence light

    根據入射光的相干性分為非相干和相干兩種情況進行討論。
  18. Incoherent scattering cross section

    非相干散射截面
  19. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子數反轉激光增益產生的機制、研究了驅動場的rabi頻率、粒子注入速率比值r _ b / r _ c 、粒子退出速率r _ o 、能級間的自發衰減速率r _ （ c - b ） 、 r _ （ a - b ）和非相干泵浦速率r對增益、色散和粒子數差的影響；第二節討論了驅動場和探測場的失諧對無粒子數反轉激光增益的影響。
  20. Fabrication of two - dimensional waveguide arrays with white light

    二維非相干白光波導陣列的製作
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