optical correlation 中文意思是什麼

optical correlation 解釋
光學相關
  • optical : adj 眼的;視覺的;視力的;幫助視力的;光學(上)的。 optical activity 【物理學】旋光性。 an optic...
  • correlation : n. 相互關系,相關(性);對比;交互作用;【數學】對射,異射。 correlation index 關聯指數。 correlation mineral 對比礦物。
  1. The diffraction formula and statistical law of optical fields are used to get the cross - correlation function of intensities of laser speckles of the moved diffuse object

    該方法利用光傳播的菲涅爾衍射公式和光場的統計規律,給出散斑場光強在散射體位移前後的高斯光束相關函數的表達式。
  2. In optical burst switching obs network, the fap assembly strategy of edge router tends to slow down the sending rate of tcp traffic. as a result, the correlation gain of tcp traffic is reduced, which in turn makes the throughput drops down

    在光突發網路中,邊緣路由器的fap封裝策略有減緩tcp流發送速率的趨勢,這使得tcp流「相關受益」減小,導致其吞吐率也隨之下降。
  3. After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice

    之後測量了雲南天文臺激光的橫向能量分佈,根據相關定義確定了這束非高斯非球面激光的參數,應用它的傳輸變換規律和測量參數研究了調焦中激光發散角的變化,並根據測量數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ,研製出光劈解決這一問題,取得了很好的效果。
  4. In the transmiting port, optical encoder turns data bits into spread spectrum sequences, then, optical decoder retverts it to data bits with the theory of correlation decoding in the receiving port

    在發送端光編碼器將數據比特轉換成擴頻序列,在接收端光解碼器利用相關解碼原理將擴頻序列恢復為數據比特。
  5. The wave - front aberration ' s cumulating of optics elements in multi - pass amplifying system was researched more deeply. considering the correlation between optics elements " wave - front aberrations caused by the similar fabrication technique, the correlation coefficient was adopted to revise calculation rule of superimposition which used in estimating system ' s static wave - front aberration and allocating optical machining precision. 3

    進一步研究了多程放大系統中光學元件波前誤差的疊加規律,並考慮到釹玻璃片加工工藝的相似性所導致的波前相關性,將相關系數耦合到波前誤差疊加公式中,使修正後的公式能更準確地預估系統靜態波前和分配光學元件加工精度要求; 3
  6. 2, the optimal designed digital matched spatial filter ( dmsf ) was used to perform real - time optical correlation, which not only has the merit of large storage and renewability as well as common digital filter, but also has the virtue of high correlation s / n which the holographic optical filer owns

    2 、優化設計的數字空間匹配濾波器,既有數字濾波器的大存儲容量並可實時刷新的特點,又有全息光學濾波器高相關s n的優點。對于處于嚴重背景噪聲干擾下的多個畸變目標,也可獲得高相關s n 。
  7. Digital - optical hybrid image processing, optical pattern recognition ( opr ) technique performs image processing and recognition through optical correlation and digital processing. it has promising application prospect in automatic target recognition because of its outstanding merits of high - speed parallel operation, high spatial resolution, flexibility and accuracy

    光電混合圖像處理、光學模式識別( opr )技術以光學相關與數字處理相結合的方式實現對圖像信號的處理與識別,因而具有光速運算、高速并行處理、高解析度與計算機的靈活性、精確性的突出優點,在自動目標識別( atr )領域有著良好的應用前景。
  8. Finally, we present the approximate distribution of trapping potential of the guided cold atoms in the atomic funnel based on the vccc or the uccc. by using a similar method in the analysis of optical coherence, we study the coherent evolution of the ground - state wave function of ultra - cold atoms in atomic funnel, and obtain some normalized correlation functions of the first, second, third and high order

    最後,給出了原子在基於v -型和u -型載流導體構建的原子漏斗中所感受到的囚禁勢的摘要採用漂流導體的原子易引及其原於光學器件近似分分,並採用類似於光場相干性的分析方法,計算了超冷原子物質波的基進波函數及其在原子漏斗中傳播時相干性的演化,得到了物質波的一階、二階、三階和高階相於度。
  9. The first order nonlinear hyperpolarizabilities in second - harmonic generation process and electro - optical pockels effect are computed. the basis set effects in ab - mitio quantum - chemical computation are mainly studied. the correction to the nonlinear optical properties due to the electronic correlation energy is discussed and the relationship between the first order hyperpolarizabilities and the frequencies of the external electric field is also investigated

    計算了二次諧波振蕩過程和電光pockels效應過程的一階非線性超極化率,研究了電子的相關能對pna分子的非線性光學性質的影響以及pna分子的一階非線性超極化率與外加光電場頻率之間的色散關系,並著重討論了量子化學從頭計算中基矢組的選取對計算結果的影響。
  10. Based on the theoretical expression of the average intensity in the fourier transforming and imaging optical system with variable aperture, an algorithm is developed to change the intensity data versus the aperture radius into the bessel - fourier - transform - and - the - inversion of a function of the height - height correlation function. three samples of gaussian correlation are used for the experimental demonstration

    在理論分析和實驗測量中,我們採用了變孔徑的傅立葉變換和成像系統,由所得到的像面光強的解析式,建立了將平均光強隨孔徑的數值變化關系轉化為正逆傅立葉變換對,從而恢復出表面的高度?高度相關函數。
  11. Shift pattern correlation is also analyzed. an optical setup implementation of anamorphic fc is suggested. in order to simplify it, we propose to use computer - generated holography ( cgh ) to implement anamorphic fc

    論文提出了實現變形分數相關的光學裝置,由於其結構復雜,提出並採用計算全息方法實現了變形分數相關,可大為簡化光學實現裝置。
  12. Experimental results on butane and butane - plant oil flames indicated that, measurement precision by the multi - wavelength method is strengthened by taking radiation information on multiple wavelength units into consideration, and moreover, the radiation calibration procedure is simplified, in that a halogen light source is used instead of in situ flame radiation. in section 2, fluctuation and averaging analyses are carried out on optical transmission signals by particles passed through laser beams to derive particle size and concentration in measuring area, furthermore, correlation calculations are conducted on two adjacent laser beam signals to obtain flowing velocity of particle

    對丁烷氣體火焰及丁烷-植物油混合燃料火焰的測量結果表明,多波長分析方法優于傳統的雙色法,表現在兩個方面:一、由於綜合考慮多個波長單元上的火焰輻射信息,多波長方法的測量精度比雙色法有較大的提高;二、在多波長分析方法中,採用標準鹵素燈進行相對輻射強度標定,簡化了雙色法中的火焰絕對輻射強度的標定。
  13. Analysis of decision threshold for optical correlation receivers in ocdma system

    光碼分多址系統中光學相關接收機判決閾值的分析
  14. Be based upon the studies of sea optical scatter channel by use of monte carlo simulation, the channel is described as a multipath routeway in this paper. the effect on the communications performance, created by the frequency selectivity decline caused by the multipath routeway, is worked over. the correlation bandwith of sea optical scatter channel is analyzed and quantified through the simulation on the computer

    基於對海水通道的蒙特卡羅模擬,本文對海水通道進行了多徑化描述,研究了由於通道的多徑化所產生的頻率選擇性衰落對通信質量的影響,分析並通過計算機模擬確定了海水通道的相關帶寬。
  15. By comparing the image - preprocessing results of different processing algorithms, an optimized algorithm was decided to ensure satisfying correlation snr and preprocessing rate to be obtained. synthetic discriminant function ( sdf ) filters of the 3 - d targets were designed and the reference filter libs ( rfl ) were constructed to provide high correlation snr. real - time distortion - invariant optical correlation was realized by temporal - spatial multiplexing technique

    為了保證opr系統有高的相關信噪比( snr )及良好的實時性能,本文對不同圖像預處理演算法的處理性能及效果進行了比較分析,為opr系統選取恰當的圖像預處理演算法提供了依據;將時間多重化技術與空間多重化技術相結合,設計製作了三維目標的可實時刷新的sdf參考濾波器庫,為opr系統提供了高snr的相關輸出,從而實現了opr系統對目標的實時畸變不變光學相關;將人工神經網路( ann技術)用於相關信號后處理,有效提高了opr系統的識別效率。
  16. Based on the correlation structure of real - time variable bit rate video traffic, this paper proposed a dynamic bandwidth allocation ( dba ) algorithm with adaptive linear traffic prediction in ethernet passive optical network ( epon )

    摘要根據視頻數據流的長程相關性特點,提出一種以太無源光網路中面向實時可變比特率視頻的動態帶寬分配演算法。
  17. However, the correlation signal obtained by the classical matched filter is associated with large correlation sidelobes, large correlation bandwidth, and low optical efficiency

    克服了經典的匹配濾波相關存在大的相關旁瓣、很大的相關帶寬和低的光效率等缺點。
  18. High accuracy correlative detection technology of object signal is to search and detect objects by optical correlation, and it can detect real - timely, recognize automatically and orientate precisely, optical correction processes images at light speed and its device is simple, and fourier transformation can be realized

    高精度光學目標信號相關測試技術,利用光學相關探測方法,對要搜索、探測的目標進行實時探測,自動識別,高精度定位。光學相關是以光速進行的,處理速度快,結構簡單,利用由空間域到頻率域的傅立葉變換來實現的,本文針對如何設計傅立葉變換系統實現光學相關進行研究。
  19. Having studied the data tables, we got the relation between optical correlation s / n and distortion parameter ( scale rotation azimuth ) and then constructed the proper rfl, and so the puzzle of distortion of 3d objects in practical opr system is now resolved

    從實測數據出發,得出了opr對畸變參數(比例畸變、旋轉畸變、方位角畸變等)的寬容度,並由此構成了與之相適應的參考濾波器庫,從而解決了實用系統中的三維畸變目標問題。
  20. Optical fourier transformation lens are designed automatically mainly depending on optical design software. after the optical original system being worked out by p, w method, they can be designed automatically by using computer. every parameter of the system is changed simultaneously and aberration is adjusted according to optimizing theory, after the parameters are iterated a lot of times, perfect fourier transformation system is obtained, and the requirement of optical correlation detection can be satisfied

    光學傅立葉變換透鏡的設計,主要利用光學設計軟體進行光學自動設計,用p 、 w法初步計算出光學原始系統,再利用計算機進行自動設計,按優化理論對光學系統的各個參數同時給出不同的改變,進行像差校正,經多次迭代后可得到比較理想的傅立葉變換系統,使該系統能夠滿足光學相關探測的要求。
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