time coherence 中文意思是什麼
time coherence
解釋
時間相干性-
The study of such light will lead us to the important concepts of bandwidth and coherence time.
對這種光的研究將使我們得到帶寬和相干時間的重要概念。 -
It may also be possible in the course of time to discover a certain coherence in the new ideas.
隨著時間的推移，人們在這些新思想中也可能發現某種一致性。 -
Taking a view of pure time field, this paper presents dissolvable signals and basic concepts of sampling ; and also gives the very condition of discrete of signal ; this paper uses linear algebra to analysis this kind of signal and then gives some results and relevant deductions ; based on these results, 1 made a further step to analysis some typical band - limited signals in order to proof the coherence of my theory of dissolvable signal to the typical sampling theory ; i made some preliminary study about the feasibility of sampling and recovering of this kind of signal
本文從純時域角度出發，給出了可分解信號及其采樣的基本概念；也指出了信號可離散化的條件；利用線性代數理論給出了對這類信號進行采樣的分析理論及相應的推論；並用這些結論對典型的帶限信號進行了分析，證明可分解信號采樣定理與經典采樣理論的一致性；初步探討了對這類信號的實行采樣與恢復的工程實現問題。 -
Seismic coherence technique is a remarkably simple yet powerful seismic attribute analysis technique, which is developed recently and can reduce the cycle time of 3 - d seismic data interpretation
摘要地震相干體技術是一項功能強大的地震屬性解釋技術，可大大縮短三維地震數據的解釋周期。 -
The thesis reviews the theory which is the basis of synthetic aperture processing and introduces five algorithms of image reconstruction : the coherent addition provides a good opportunity for the real time sas ; the envelope processing can work when sonar echo returns lack phase coherence ; the i - q processing can reduce the sampling rate ; the broadband and ctfm processing are both aimed to increase the sas mapping rate
討論了用於重構圖象的五種演算法，包括簡單的可進行實時處理的相關合成法，可以在缺乏相位信息時使用的包絡處理法，可以降低采樣率、減少運算量、存儲量的正交處理法，可以提高聲納運行速度，從而提高成象率的寬帶處理法和ctfm法等五種演算法。 -
The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )
軟體的處理功能包括：數字濾波、時域加窗、自相關與互相關處理、均值和方差計算、概率密度和概率分佈函數計算；在快速傅立葉變換（ fft ）基礎上計算自功率譜、互功率譜、頻率響應函數、相干函數、倒頻譜分析；基於短時傅立葉變換（ stft ）的聯合時頻分析等。 -
We study the time evolution law of the atomic response in an open - type inversionless lasing system when the probe or driving field is off - resonance, and compare the law with that obtained when the probe and driving fields are resonant. we find that the detuning has considerable effects on the time evolution law : when the probe or driving fields is off - resonance, the dispersive responses for the probe and driving fields are no longer 0 and the two - photon coherence is no longer a pure real ; the variation of the probe detuning can make the time evolution law of the population distributions and the gain ( absorbtion ) of the driving field changing obviously ; with detuning increasing, the time evolution behavior of the gain ( absorbtion ), dispersion of the probe field and the two - photon coherence will gradually diviate from the evolution law of the standard damped oscillator ; with the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase
研究了探測場或驅動場失諧情況下開放的型無粒子數反轉激光系統中原子響應的時間演化規律，並與探測場和驅動場都共振時的演化規律進行了比較.我們發現失諧對時間演化規律有顯著的影響;當驅動場或探測場失諧時，原子對探測場和驅動場色散的響應不再為零，雙光子相干不再是純實量;探測場失諧的變化將使粒子布居和驅動場增益（吸收）的時間演化規律明顯改變;隨著失諧的增大，探測場增益（吸收） 、色散和雙光子相干隨時間的演化行為逐漸偏離標準阻尼振子的演化規律;驅動場色散驅動場失諧量的增加而振蕩時間變長，振幅和穩定值變大 -
At that time, basement of the university seems to be more important, utility in competition to some extent involves in coherence, appearance and effectiveness. from the above, through the recognition of the school culture with its characters and function, the thesis develop to recognize the school - construction theories through the analysis between universities in nation. moreover, conjoining the situation and problems in dalian fisheries university, searching the principles, ideas and measurement of the campus culture establishment, the thesis meant to promote the tradition, involve the epochal spirit and enhance the level of construction in campus culture
論文在探討校園文化內涵、特徵、功能等相關理論的基礎上，將中西校園文化進行對比分析，並對中國校園文化的發展趨勢加以研究；同時結合大連水產學院校園文化建設現狀及存在問題，探索進一步開展校園文化建設的原則、思路和具體措施，以便發揚優良傳統，吸納時代精神，提高大連水產學院校園文化建設水平，使之在學校教書育人以及發展建設中發揮更大的促進作用。 -
Under the condition of " comparatively weak correlation between the two noises involved, coherence function is used as a frequency domain amplification factor for improving snr of the output signal to the filter and the speech enhancement effect. meanwhile, a real - time recursive algorithm is put forward in substitute for current algorithms based on short time fourier transform. the new algorithm will simplify computations and will be suited for real - time implementation together with the adaptive systems
接著針對上述nanc系統兩路輸入信號噪聲相關性弱的情況，用相干函數作頻域增益因子來提高輸出信噪比與改善語音增強效果，同時，通過一種實時迭代演算法解決了短時傅氏變換計算量大的問題，簡化了計算，便於實時處理與實際應用。 -
Experimental result and practice shows it is possible using seismic information forecasting subtle trap. integrated using geology % log, drilling data, specia ! seismic processing technique -, interpretation technique, including high precision horizon calibration technique, 3d seismic visualizing interpretation, seismic coherence analyze, attribute analyze, logging - constrained inversion, time frequency analyze, ann forecasting technique, subtle trap object is identified and interpreted. finally, advantage object of subtle trap in this area is determined
綜合地質、測井和鉆井資料，依靠先進的地震特殊處理和解釋新技術，包括高精度的層位標定技術、三維可視化解釋技術、地震相干技術、屬性分析技術、測井約束反演技術、時頻分析技術、多參數油藏檢測技術和神經網路預測等技術，對隱蔽油氣藏目標進行識別、解釋和成藏研究，最後指出工區內隱蔽油氣藏的有利目標。 -
After we do research on the standard of h. 264 rate control algorithm and rdo algorithm, we do the follow reseach : first, base on the time - space coherence, we proposed a weighted model for linear regression to substitute the standard linear model
本文在研究了h . 264標準碼率控制演算法及率失真優化的基礎上，所作工作如下:一.基於基本單元之間的時間和空間相關性，改進了一種用於線性回歸的加權模型，以替代標準的線性模型。 -
( 2 ) 3d - fem analysis for the load - bearing capacity of the stud connector as the prevailing method to determine the shear rigidity and the limit load - bearing capacity of the shear connector is the push test, which is time consuming and laborious, in this thesis the push tesi specimen of the stud connector is simulated through the non - linear analysis module of the msc / nastran and the numerical analysis results are in good coherence with that of the practicality lev ; as a result, the shear rigidity and the limit load - bearing capacity of the stud connector can be determined by the finite element method and only a few practicality verification tests
（ 2 ）栓釘型剪力鍵承載力的3d - fem分析針對當前剪力鍵一般通過費時費力的推頂試驗來確定抗剪剛度和極限承載力的狀況，本文利用msc nastran非線性模塊實現了對栓釘剪力鍵推頂試樣的數值模擬分析，數值計算結果與試驗結果能夠很好吻合。這使得通過有限元方法的模擬和少量實物試驗的驗證，就能確定栓釘剪力鍵的剪切剛度和極限承載力，可以大大節省時間和經費。 -
Finally, by means of time evolution operator and numerical calculations, the time evolution of the atomic population, the atomic dipole squeezing, the time evolution of the squeezing and coherence properties of the light in the system of the two identical two - level entangled atoms interacting with the coherent optical field have been studied
論文的第三部分工作是採用時間演化算符和數值計算方法，研究了兩全同二能級糾纏原子與相干態光場相互作用過程中，原子布居、原子偶極壓縮、光場的二階相干和光場壓縮性質的時間演化特性。 -
In single - object detection and tracking experiment system can track the object continually and credibly, because of the use of block matching algorithm in background matching, the system run time is reduced. in the object coherence judgment experiment, object ' s 3d
在單目標的入侵檢測及跟蹤實驗中，對運動的目標能夠進行連續而可靠的跟蹤，並且由於在背景匹配中運用了塊匹配演算法，減少了系統運行時間。 -
Because the signals of the target reflections are coherent, the reconstructing matrix algorithm which uses the time - shift correlation method is studied. not only has it the good ability to solve the coherence problem, but it also reduces the computation because of the time - shift correlation instead of the eigenvalue decomposition
由於雷達系統中目標回波具有相關性，必須考慮解相干處理，所以研究了利用時移相關去噪的矩陣重構演算法，該演算法具有較好的解相干能力，且用時移相關去噪免去了特徵分解去噪過程，可直接使用esprit演算法求解旋轉不變關系，簡化了過程，減小了計算量。 -
( 3 ) by defining a measure parameter b, we show that there is a maximal region for the measure b in the patch temperature and patch size parameter plane where the coherence resonance phenomena are very remarkable, and the characteristic time of the output also confirm our result
通過定義圓碩士學位論文人工入sr r 』 st卜1廠515一個測量參數口，我們顯示了在膜面積和溫度的參數平面上，口的取值有一個最大的區域，對應系統的相干共振。 -
The basic concepts of second - order coherence theory in describing wavefields are introduced. these concepts are the cross - spectral density function and spectral degree of coherence in the space - frequency domain, and the mutual coherence function and the complex degree of coherence in the space - time domain
介紹了二階相關理論中描述光場相干性質的基本概念，包括空間-時間域中的互相關函數、復相干度和空間-頻率域中的交叉譜密度函數、光譜相干度。 -
In analysis and transaction of signals, spectrum analyzer is a classical and important instrument which is mainly used to analyze the time domain wave, amplitude, spectrum domain wave, demodulating analysis, digital filtering, correlate analysis, transfer function and coherence function of signals
頻譜分析儀是信號分析與處理中常用的儀器，它可對信號進行時域分析、幅值域分析、頻域分析、解調分析、數字濾波、相關分析和傳遞相干分析。 -
The error metric can be stored and computed efficiently. we propose a novel time - critical optimization strategy to mesh refinement by further exploiting frame - to - frame coherence
提出了基於視點連貫性的四隊列控制策略來執行實時的動態構網，能有效地控制三角形構網所需要的時間。 -
This allows for the real - time rendering of 3d - scenes. during an animation a high frame - to - frame coherence can be achieved due to a stable segmentation scheme. finally, we seamlessly integrate a smooth illumination into the watercolor renderings using information from the 3d - scene
這種復雜性能反映很多自然影響的相互作用，使得水彩成了一種很獨特的繪畫介質，一個熟練的藝術家能用它創作出很多不同的藝術效果。
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