有理譜 的英文怎麼說

中文拼音 [yǒulǐpǔ]
有理譜 英文
rational spectrum
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  • 有理 : 1 （有道理） reasonable; justified; in the right 2 [數學] rational; 有理函數 rational function; ...
  1. Comprehensive cellular responses was found in human amnion fl cells following exposure to low concentration of mnng, such as the lowering of dna replication fidelity resulted from alteration of dna polymerase profile ; activation of a lot of transcription factors, such as api, creb, nf - kb etc ; clustering of egfr ( epidermal growth factor receptor ) and tnfr ( tumor necrosis factor receptor ) and activation of camp - pka - creb and jnk / sapk signal pathways

    我們發現，低劑量mnng處理后的人羊膜fl細胞有廣泛的細胞反應，並有多個信號轉導通路的激活和基因表達的改變。例如dna復制保真度下降， dna聚合酶譜發生改變，應用報告基因技術和底物磷酸化檢出技術證明細胞一系列轉錄因子如ap1 、 creb 、 nf b等被激活，細胞表面受體如表皮生長因子受體、腫瘤壞死因子受體發生聚簇，細胞信號轉導通路camp - pka - creb和jnk sapk被激活。
  2. On the basis of the study on the speech coder algorithms, paper describe an advanced method of developing dsp system software, and as the guidlines, we developed the programme of whole decoder unit. paper stress on analysis of the ecu in decoder unit. aiming at amr algorithms disadvantage of angularity of synthetical speech, paper study on the specutral extrapolation which apply to extrapolate reflect coefficient of track model to make error conceal processing of amr. at last paper analyze existing echo cancellation algorithms using on mobile communication system

    在此基礎上，描述了一種較為先進的大型dsp系統程序開發策略，並以此為指導思想，以美國ti公司c6000dsp開發平臺開發出了整個amr解碼器單元的系統程序。論文對amr解碼器的誤碼隱藏處理單元進行了重點分析，針對原有演算法合成語音自然度不好的缺點，論文研究了將譜外推法應用到amr演算法中外推出聲道模型反射系數參數進行誤碼消除處理。
  3. The composites not only show excellent photo - responsive properties in the visible and near - ir region ( 450 ~ 850 nm ), but also show complementary and synergetic enhancement effects in photosensitivity in the visible and near - ir region. the reasons for the enhanced photoconductive properties and new effects are explained in terms of the partial and directional charge transfer from phthalocyanine to azo compound in these azo / tiopc composites. 2

    研究發現這兩種復合材料體系在可見光區和近紅外光區（ 450 850nm ）均有光譜響應，光譜響應范圍得到了拓寬，並在該波長范圍內都有優良的光電導性能，呈現出明顯的光電導性能協同增強和互補效應，該復合材料體系中酞菁向偶氮發生的部分定向的電荷轉移是光電導性能協同增強和互補效應產生的物理起因。
  4. In the research field of food preservation, an intense interest for scientists is focused on the isolation of antimicrobial substances from microbial metabolites. natural biopreservatives derived from traditional fermented foods are generally recognized as safe. in this paper, one strain screened for its safety and broad antimicrobial spectrum and its antimicrobial substance - - bacteriocin are studied in detail

    本文從傳統的發酵食品中篩選出一株安全、具有廣譜抗菌活性的芽孢桿菌，並對其抗菌活性物質細菌素進行分析，為微生物天然生物防腐劑的開發以及在食品中的應用提供理論依據。
  5. We describe the meaning of chaos > future idea of chaotic theory and influence on forecast ; introduce the character of chaotic time series, and point out the problem and shortage of the methods already existed computing character value which are fractal dimension and the largest lyapunov exponent and improve on it ; present the forecast principle of forecast method based on chaotic attractor, and point out the shortage of local field forecast method based on chaotic attractor and bring forward improved on methodo at the same time, we put forward a banausic algorithm and compare two models using practical example

    論述了混飩的含義與混淪理論的未來觀及其對預測的影響；介紹了。混飩時間序列的特徵，指出了己有的計算分形維及最大李雅譜諾夫指數這兩個特徵量的方法存在的問題與不足，並對此進行了改進；給出了基於混飩吸引子的預測方法的預測原理，指出了常用的基於混燉吸引子預測的局域法的不足並給出了改進方法，同時，給出了其實用演算法，並用實例進行了比較。
  6. Generalized legendre rational pseudospectral method on the half line

    半直線上的廣義勒讓德有理擬譜方法
  7. As part of the longitudinal rush memory and aging project, researchers evaluated the spectrum of neuropathology found in the brains of 141 older adults, with and without clinically evident dementia

    作為"拉什" "記憶與衰老工程"長鏈的一環，研究人員們對發現的神經系統病變的病理譜做了評估分析，這些病變來自141名伴有或不伴有明顯癡呆癥狀的老年人的腦部
  8. The power spectral densities which existed in the form of power law are used to determine the parameters of the power spectral densities in the rational form. the computer simulation for the models is also carried out

    對路面時域模型的建立，通常需要路面功率譜密度的表達式為有理函數的形式，而國標中所推薦的功率譜密度為冪函數形式。
  9. As a member of the only species capable of comprehending, or even of speculating on its own origins, and looking from this height down along the trunk of our sprawling family tree, no less a filament than the nerve fiber itself will serve as the thread of ariadne along which may be retraced the course of our brain ' s evolution

    作為最合適的選擇，細絲狀的神經纖維基於其自身的屬性而具有理解甚至推理的功能，它沿著人類的系譜蔓延伸展，就像是希臘神化中阿里阿德涅的線團一樣，指示出了人類大腦的進化過程。
  10. Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result

    文摘:研究並模擬具有非瑞利幅度分佈和非高斯功率譜的雷達雜波是現代雷達信號處理中的一個重要的研究課題.文中基於球不變隨機過程（ sirp ）的建模方法，針對實地採集的幅度滿足k分佈並具有有理功率譜的高解析度雷達雜波，運用現代譜估計演算法對其進行建模和模擬，並以模擬雜波與實際雜波的數據對比和統計檢驗的結果對該方法進行了驗證
  11. We introduce some marks and lemmas before we construct chebyshev rational spectral formation of semi - discrete with respect to space. then we obtian the error estimate for the approximate solution and the existence of approximate attractor an, and besides, we prove the upper semi - continuty on the global attractor

    在引入一些本文所需的記號和引理之後，通過建立chebyshev關于空間方向的半離散有理譜格式，證明了方程近似解的誤差估計，以及在此格式下近似吸引子a _ n的存在性，並且得到關于原方程整體吸引子的上半連續性。
  12. In this paper, we study kgs equations with weakly damp using chebyshev rational spectral

    本文運用chebyshev有理譜方法討論具有弱阻尼的kgs方程的大時間性態。
  13. From the past research work, it has been known that the main mechanisms of spectral lines broadening in the atmospheres of stars are doppler broadening, spectral lines broadening by rotation and expending, pressure broadening ( stark broadening ), natural broadening, spectral lines broadening in magnetic field, sonic waves and alfv e n waves broadening, etc. but it is not enough to explain the recent observation phenomena by above theories of spectral lines broadening

    以往的研究已經判明，在恆星大氣內譜線致寬的主要機制是多普勒致寬、自轉源或膨脹源引起的致寬、壓力致寬（斯塔克致寬） 、自然致寬、磁場引起的加寬、聲波及阿爾文波致寬等。然而，已有的譜線致寬理論不足以解釋最近的一些觀測現象，仍存在觀測值與理論值之間的差異。
  14. ( 1 ) based on two types of riccati equations, two kinds of new methods are proposed to obtain solutions of nonlinear differential equations. twelve families of exact solutions of wbk equation are found by using one of two methods ; ( 2 ) the homogeneous balance method is improved cind investigated to ( 2 + l ) - dimensional broer - kaup equation such that many families of new solutions are derived. ( 4 ) based on the isospectral lax pair of riccati form for generalized kdv equation with the force term, new darboux transformation and solitary - like wave solutions and rational solutions are obtained ; ( 4 ) by constructing darboux transformation and the superposition formula of generalized variable coefficients kdv equation with the force term, new single solitary - like wave solutions, double solitary - like wave solutions and rational solutions are found for ( 2 + l ) - dimensional generalized kp equation

    第二章和第三章考慮非線性偏微分方程的精確解的構造：首先給出了c - d對和c - d可積系統的基本理論，然後在第三章中具體研究了它們的應用： （ 1 ）基於兩種riccati方程，提出了兩種新的求解非線性微分方程更多解的方法，利用其中的一種方法，得到了wbk方程的12組精確解； （ 2 ）對齊次子衡法進行改進，以致於獲得了（ 2 + 1 ） -維broer - kaup方程的很多新解； （ 3 ）基於帶有外力項的廣義kdv方程的riccati形式的非等譜lax對，提出了該方程的一個新的darboux變換，利用該變換，得到了新的類孤波解和有理解； （ 4 ）通過構造了帶有外力項的變系數kdv方程的darboux變換及疊加原理，獲得（ 2 + 1 ） -維廣義kp方程的新的類單孤波解、雙類孤波解和有理解。
  15. Interferon ( ifn ), a family of cytokines, have activities on interfering with the replication of various viruses, decreasing cell proliferation and modifying immunological processes. the research about ifn indicates, it is a kind of ideal therapy that ifn act on healthy or unhealthy animals to prevent or cure many kinds of diseases infected by virus

    干擾素（ ifn ）是一類重要的細胞因子，具種屬特異性，在同種細胞上具有廣譜的抗病毒、抗細胞增殖、免疫調節等多種生物活性，研究表明，利用干擾素防治家畜的病毒性疾病是一種理想的治療方式。
  16. During the acoustic logging data process, the information of time - frequency of related spectral component can not be provided generally by means of fourier transformation ( ft )

    摘要在聲波測井資料處理的過程中，傅里葉變換通常不能提供有關譜分量的時間局域化的信息。
  17. Even it is probably a direct target molecule of plant hormones. jasmonic acid and its derivatives ( jas ), a kind of plant endogenous compounds, have ubiquitous physiological effect on plant growth and development

    Ja及其衍生物（總稱為jas ）是近些年來倍受植物學家青睞的植物內源有機化合物，被認為同iaa 、 aba等激素一樣具有廣譜的生理效應。
  18. Then time domain synchronization including symbol, frequency and carrier synchronization algorithms is discussed according to the characteristics of frame structure in merged scheme. at the same time, pointed out its merit that high rate of spectrum utilized and rapid synchronization retrieved. and simulation and much improvement are done to realize the algorithms in project

    然後根據融合方案的幀結構的特點，分析和探討了時域同步演算法，包括符號同步、載波頻率同步和采樣同步演算法原理，指出時域同步有頻譜利用率高，同步恢復快等優點，並對其進行了工程可實現的改進和模擬。
  19. Objective : new cationic antimicrobial polypeptides named as defensins are recently discovered. they are widely distributed in animals and plants. they have broad antimicrobial spectrum and highly efficient antimicrobial activity, because of its special antimicrobial mechanism, they have drug resistance to pathogen

    目的： defensins是近年來發現的廣泛存在於動物和植物體內的一類陽離子多肽，它具有廣譜、高效殺菌活性，因其獨特的抗菌機理，病原微生物不易對其產生耐藥性。
  20. Unlike licensing scarce resources such asbroadcasting frequencies, an abundant infrastructure like the internet does notjustify official assignment of licenses

    不同於對稀有資源?如廣播頻譜?的特許，像網路這般空間充沛的公共基礎建設，沒有理由需要政府批準許可。
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