noise distribution 中文意思是什麼

noise distribution 解釋
噪聲分佈
  • noise : n 1 聲音,聲響。2 叫喊;嘈雜聲,噪音;喧鬧聲;吵鬧,騷動,騷擾。3 〈古語〉謠言,風聲。4 〈美國〉...
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. Combined with the mp algorithm the model can wipe off perceptually irrelevant sinusoids and control the distribution of intrinsic model noise

    將該模型與mp演算法配合,可以去除感知上無關的正弦波,控制模型噪聲的分佈。
  2. It reduces the “ music noise ” using the human auditory characteristics, and enhances the hearing quality using the speech spectrum distribution characteristics in the time - frequency dimension

    主要以譜減法為基礎,結合人耳的聽覺特性從而減少殘留「音樂噪聲」的影響;結合語音的語譜在時-頻域分佈特性從而提高增強后語音的聽覺質量。
  3. We analyse the dispersion of stock returns and have the tests of serial correlation. the results show that the trading mechanism has a significant effect on a number of characteristics of stock returns. first, the distribution of open - to - open returns has greater variance than that of close - to - close returns. second. the serial correlation pattern is quite different in the two return series. the open - to - open returns have negative autocorrelation coefficient, but the close - to - close returns is positive. further, employing an arma ( 1, 1 ) model we find that in the opening. returns exhibit higher residual noise and stronger dependence on past returns, reflecting stronger deviations from the random - walk form of the market efficiency hypothesis

    主要表現為:一,開盤收益序列比收盤收益序列具有更大的方差。二,兩種收益序列的序列相關形式不同,開盤收益序列表現為負相關,而收盤收益序列表現為正相關。而且我們通過arma ( 1 , 1 )模型的進一步檢驗,發現開盤收益序列比收盤收益序列具有更大的殘差,更依賴于過去的收益序列,也更偏離於市場有效的隨機遊走形式的假設。
  4. We illustrate the wavelet package analysis that can obtain the time - frequency distribution figure of noise signal, which can be used to define gray - image. through image - average, we can get the standard time - frequency distribution images of different main bearing gap. based on that, a main bearing wear fault diagnosis model using image matching is set up

    然後對圖像進行平均,得到主軸承在不同間隙狀態下的「標準」時頻分布圖,建立了柴油機主軸承間隙圖像匹配的故障診斷模型,匹配時所用的參數為兩幅圖像之間的歐氏距離。
  5. Based on mean shift algorithm i propose dynamical mean shift algorithm. in this paper, i use dmsa to track face in video sequences which combines a probability distribution image of flesh color. in the end of this paper, dmsa ' s tracking accuracy, tolerance to noise, distractors and performance are studied

    在基於靜態圖像中使用的msa ( meanshiftalgorithm )演算法的基礎上,本論文提出了dmsa ( dynamicalmeanshiftalgorithm )跟蹤演算法,並結合膚色概率分佈,將其應用於人臉跟蹤的研究中。
  6. The development of one - wire technique, fieldbus technique and gprs wireless communication technique propose a perfect way of realizing intelligent distribution and measurement. moreover, dai and agent theory provide powerful theoretical support to improve the system ' s ability of intelligent identification, intelligent learning and anti - noise

    單總線技術、現場總線技術以及gprs無線通訊技術的發展為智能分佈和測控功能的實現提供了一套令人滿意的解決方案,而分散式人工智慧技術和agent理論為提高系統的智能判別、學習和抗干擾能力提供了有力的理論依據。
  7. Because the adaptive algorithm of conventional adaptive noise canceller is the least mean squares ( lms ), and the convergence rate of lms is heavily dependent on the eigenvalue distribution of the autocorrelation matrix of the input signal, thus lms converges at unacceptably low rates when the input signal is colored noise or speech

    由於傳統自適應噪聲抵消系統( anc )自適應演算法主要採用lms演算法,而lms演算法收斂速度依賴于輸入信號自相關矩陣特徵值的分散程度。因此,當輸入信號是語音或有色噪聲時, lms的收斂速度很慢。
  8. This system has some functions as following : first, statistic analysis and valuation of the spatial distribution of beijing traffic noise ; second, real - time simulation of the affection that is traffic noise in residential area ; third, previewing statues and standards of environmental noise ; fourth, management of spatial data and property data ; fifth, alternant querying of spatial data and property data ; sixth, inputting graphs and tables. we can build accurate and identical channels of information ' s coming, accelerate the circulation rate of environmental information, and increase the efficiency of environmental information resources by studying and implementing metropolitan environmental noise management information system. meanwhile, it can reduce the burden of these environmental workers

    城市道路交通噪聲信息管理系統的研究與實施可以建立準確、一致的信息來源渠道,加快環境信息的流通速度,提高環境信息資源的利用率,減輕環境工作者的工作負擔,提高環境管理工作中的效率,為環境管理和環境規劃與評價提供依據;該系統的建立與開發同時也為開發類似系統的環境工作者提供參考和借摘要一鑒,為今後實施集水、氣、噪聲、固體廢棄物為一體的環境管理信息系統平臺提供了一個子框架。
  9. In the visual 3 - dimensional phase space, the reconstructed attractor of the reverberation exhibits round structure, which contradicts to the irregular distribution of noise and is comparable to the regular circle of periodic wave

    在可視的三維相空間中,混響重構吸引子的相圖呈環形結構,其結構特點介於純隨機過程的均勻無規則散布與確定性正弦周期信號的規則圓形之間。
  10. The porous diffusion type silencer is widely used to reduce the air flow noise because of its small volume and high noise attenuating ability. the out case of the silencer plays a very important role in reducing noise. the effect of the hole ' s shape, diameter and the distance between neighboring holes as well as the matchup between the case and the sound absorbing material tube are investigated experimentally. the relation between the out - flow noise and the gas velocity distribution is carefully studied for two different kinds of matchup between the case and the sound absorbing material tube. some useful results are gotten, which may be valuable to the design of the silencer

    多孔擴散型消聲器由於其體積小、消聲性能高而廣泛應用到排氣噪聲的降低上,其外殼對消聲器的消聲性能具有重要作用.本文對此類消聲器外殼的孔型、孔徑和孔距以及外殼同消聲材料的配合方面進行了細致的實驗研究,特別對外殼與消聲材料的配合與其排放噪聲以及外部流場之間的關系進行了探討,得到了一些有用的結論,對消聲器性能的提高具有一定指導意義。
  11. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理,總結出三條降噪途徑:在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度;調整節距排列順序、花紋條之間的錯位值,使各發聲單元發出的聲壓時域波形的同向峰值錯開,避免同向峰值疊加;調整花紋塊和槽比例、節距比例、節距排列順序,盡量避免周期性分佈,使輪胎所發出的噪聲趨于白噪化,避免某些頻段的異常高峰值。
  12. The theoretical analysis and simulation show that the ssnr and the sksnr are equal to or greater than the original signal - to - noise ratio ( snr ), and that employing third order cumulant slices can effectively extract the mot - radiated quadratic phase dynamic coupling signals from asymmetrical distribution noise

    理論分析與模擬表明:切片信噪比、歪度信噪比總是大於相關信噪比;用該演算法十分有效地實現了二次相位耦合信號與非對稱分佈色噪聲的分離。
  13. After simulating the model of water hydraulic valves, the velocity distribution, pressure distribution, energy distribution can be obtained and relations between the valve channel and the energy loss, the negative pressure distribution can be analyzed, which offers the theory foundation for designing water hydraulic valves with the high efficiency, low energy loss and low noise

    通過對水壓閥模型的cfd穩態和瞬態解析,可以得到水壓閥內流場的速度分佈、壓力分佈及能量分佈,據此定性分析流道結構(速度、壓力、流動的分離與再附壁,旋渦的產生與消失等)與能量損失、負壓分佈等的關系,從而為設計出高效率、低能耗、低噪聲的水壓閥提供理論依據。
  14. The traffic noise of a new traffic source - combined overhead road was measuered, and the noise distribution under varied road conditions and different surroundings was compared, anlyzed and discussed. the noise model of overhead road, which with special section such as slope was put forwarded, based on the basic overhead noise model by considering the effects of the special section on the total noise level and distribution

    比較分析了不同路況下及周圍環境下的噪聲分佈情況,在水平段高架復合道路噪聲的豎直分佈模型的基礎上,考慮上下坡段對兩側建築物噪聲分佈的影響,建立了特殊路況下高架復合道路噪聲的豎直分佈模型,預測值與實測值基本符合。
  15. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生方案,通過差分處理濾除了由於裝配偏差和零點漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場分析,依據磁場分析的結論對編碼器常用的信號發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。
  16. The cumulative probability distribution ( cpd ) and probability density function ( pdf ) of the magnitude of signals with noise are approximated by the cumulate percentage distribution ( cpd ) and percentage density ( pcd ) respectively by sorting and discretizing. the simulation verfies the following

    含噪訊號強度之累積機率分佈及機率密度特性,則依強度遞增排序法,換算成累積百分比分佈及百分比密度近似之。
  17. This part mainly discusses the statistical distribution of the price and the returns rate, including random process and the returns rate model, gaussian process, measuring returns rate with discrete random process, white noise process, auto regression process, moving average process, auto regression moving average process, random walk, continuous random process, leptokurtic distribution, conditional mixed distribution, garch model and fractal distribution

    在這一部分中,我們主要討論價格和收益率的統計分佈:隨機過程和收益率模型、高斯過程、收益率計量中的離散隨機過程、白噪聲過程、自回歸過程、移動平均過程、自回歸移動平均過程、隨機行走、連續隨機過程、尖峰分佈、條件混合分佈、 garch模型以及分形分佈。
  18. The experiment of privates providing public goods includes subjects, initial endows, providing mechanism and payoff function, the reason that the practical voluntary contribution excels the dominant equilibrium is human behavior with homo - economics, including pure altruism, warm - glow effects. reciprocal, conformity effect and noise ; reducing the contribution cost may improve the level of voluntary contribution, incentive mechanisms include dynamic game, stake distribution, encouragement and punishment, symmetrical information, communicating each other and re - grouping

    摘要公共產品私人提供實驗一般包括實驗受體、初始稟賦、供給機制和支付函數等,公共產品私人提供偏離占優策略均衡主要是因為人的行為對利己、理性的背離,包括利他主義、光熱效應、互惠行為、遵奉效應以及噪音或決策失誤等;而通過降低公共產品的私人貢獻成本可以提高公共產品私人貢獻水平,這種激勵機制主要包括博弈動態化、合理分配賭注、建立獎懲機制、公開貢獻信息、受體相互交流以及受體重新分組等。
  19. Results show the dependence of sr and ssr on the noise distribution and extend the application of sr and ssr in digital signal processing

    這些結果進一步說明了隨機諧振或閾上隨機諧振對噪聲分佈的依賴性,同時也拓廣了隨機諧振或閾上隨機諧振在數字信號處理方面的應用。
  20. Signal plus noise distribution

    信號加噪聲分配
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