spectrum pattern 中文意思是什麼
spectrum pattern
解釋
光譜特性-
In this paper, we combine normalized pattern spectrum, relative mome - nts and geometrical characteristic with artificial neural network to achieve classify and recognize the chart of axes track
本文主要介紹了以歸一化數學形態學譜、相對矩和形狀參數為特徵，結合人工神經網路實現對軸心軌跡的自動識別和分類。 -
The vector - based plane - wave spectrum method ( vpws ) is improved, which can directly obtain the far field diffractive pattern depending on the output near field data in the bor fdtd meshes by use of the deduced formulas in this dissertation
改進了平面波譜傳播演算法（ vpws ） ，推導出的公式可以由borfdtd計算空間內的近場輸出數據直接計算出遠場的電磁場分佈。 -
To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds
利用所取資料，系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵；綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用；用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明，沙塵暴有其高發期（ 4 、 5月）和高發時段（ 14 - 20時） ， 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下，湍流動量通量和湍流感熱通量都是重要的湍流交換，沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。 -
Secondly, based on the improved algorithmic of computing the multi - fractals spectrum of seismic records, aiming at the given seismic data, we extract some character parameters of multi - fractals. following that, we select the useful parameters. finally, we fulfill the successful forecast of single geodesic and the whole area of upside layer of aotaoxi in some oil field based on oil attributes of the wells we have known, using the method of grey pattern identification, and get good comments from some experts of the same vocation
論文首先介紹了一般分形和多重分形的基本理論和演算法：其次，用作者提出的一種求地震記錄多重分形譜的改進演算法，對給定的地震道數據進行多重分形特徵參數的提取；接著優選出油氣識別用的多重分形特徵參數；最後，根據已知井位的油氣屬性，用灰色模式識別方法實現了某油fr奧陶繫上部儲層單測線及區域油氣產出前景的成功預測，得到了同行專家的好評。 -
As compared with multi - channel analyzer, platform of microcomputer consumes much more energy, thereby, it will follow a rational line to be research and developing orientation of nuclear spectrum apparatus to choose new pattern platform of microcomputer of low power and develop tiny pattern and low power nuclear spectrum apparatus
對于基於臺式機和筆記本平臺的多道脈沖幅度分析器，微機平臺功耗很大。因此選用新型低功耗微機平臺，開發小型、低功耗的核能譜儀，成為今後核能譜儀的研究發展方向。 -
In order to overcome problems arisen from the application of x fluorescence analysis into complex spectrum produced by archaeological ceramic fragments with multi - element, low content and thick ground, we have employed the artificial neural network into the research of x fluorescence archaeology and conducted three kinds of research works. as the first one, we have applied the linear olam network ( optimal linear association memory network ) and the non - linear bp network ( back - propagation network ) respectively to analyze the complex x fluorescence spectrum of archaeological samples, and taken both results of spectrum analysis to compare with each other. the second, the method of pattern recognition of bp network was tentatively used to perform intelligent identification of production places of these archaeological samples
針對科技考古中對大量考古陶片進行產地研究時x熒光分析對多元素、低含量、厚基底考古陶片產生的復雜譜分析的問題，將人工神經網路引入x熒光考古中，進行了三方面的研究工作：一是用線性olam網路（最優線性聯想網路）和非線性bp網路（誤差反傳導網路）分別對考古樣品的x熒光復雜譜進行解譜，並比較二者的解譜效果；二是用bp網路模式識別方法對考古樣品的產地進行智能識別；三是為了提高網路運算的可靠性和減小基體效應及電噪聲的干擾和影響，研究並提出了三種網路學習前的譜數據預處理方法。 -
To improving the single pattern learning, a new method of whole pattern learning was brought forward in this thesis to get better results of spectrum analysis
針對bp網路單模式學習的不足，提出了一種全模式學習方法，使網路的解譜效果得到改善。 -
In order to understand the origin of lead in air, proton microprobe was used to measure pm10 environmental monitoring samples of wusong district, shanghai city, and lead pollution origin of this district was studied with micro - pixe spectrum " fingerprint " combined with pattern recognition technique
摘要為?解空氣中鉛的來源，用質子微探針測量了上海市吳淞地區空氣pm10環境監測樣品，用微束質子激發單顆粒x射線能譜「指紋」結合模式識別技術研究了該地區鉛污染的來源。 -
Morever, the author studys the method of incremental dynamic analysis and apply this method to the seismic performance of structures. in the static pushover analysis, basic concepts and different application methods of the static nonlinear pushover analysis are summarized, some key problems of the static nonlinear pushover analysis are improved, that is, the instantaneous adaptive lateral load pattern is gained by the internal force of the structure and the target displacement is obtained by combining the capacity spectrum method with the code response spectrum
在非線性靜力分析中，綜合闡述了pushover分析的理論基礎和不同的具體應用方法，並在pushover方法的關鍵問題荷載分佈模式和目標位移的確定上提出新的方法，即由結構受力反推得到的瞬時的適應性的荷載分佈模式和結合中國抗震規范反應譜的能力譜法確定目標位移的方法。 -
The angle spectrum of inputting optical signals is received by the input surface of arrayed waveguides. whereas the diffraction process of light beam outputed in slab waveguide is a process of " composing frequency and generating image ". the reason that fraunhofer diffractive pattern can be gained on outputting waveguide surface is that output ends of arrayed waveguide distribute on the arch structure which leads bent phase factor to offset the quadratic phase factor in fresnel diffraction
輸入平板波導內光束的衍射過程是「分頻成譜」的過程，在陣列波導的輸入面接收到的是輸入光信息的角譜；而輸出平板波導內光束的衍射過程則是「合頻成像」的過程，正是由於陣列波導輸出口排列分佈在圓弧形結構上，其彎曲位相因子消去了菲涅耳衍射中的二次位相因子，從而在輸出波導面上能夠得到夫瑯和費衍射圖樣。 -
The inelastic demand spectra are established according to the new chinese seismic design code for buildings by means of force reduction factor r and ductility factor u, thus, a simple and practical method is established for seismic damage assessment in combination with capacity spectrum method ; the structure ' s push - over curve of second earthquake is gained by cutting the curve of quasi - test reversal load pattern method, thus, the structure ' s cumulate damage level can be computed by the capacity spectrum method too ; the results of an example are compared with the facts, and the validity and simplicity of this method is approved
利用r -關系基於抗震規范彈性反應譜建立了能力譜方法中的需求譜，並將該法和能力譜方法結合，建立了一種簡單實用的結構損傷評估方法；對擬靜力循環往復加載曲線的截取，得到了第二次地震作用的push - over曲線，從而能夠繼續使用能力譜方法得到結構物的累積損傷值；通過算例闡述了該法的計算步驟，所得結果符合基本規律，且具有概念明確、簡單實用的優點。 -
In the static nonlinear pushover analysis, basic concepts and different applicable methods of the static nonlinear pushover analysis are summarized. then the lateral load pattern and the target displacement, which are key problems of the static nonlinear pushover analysis, are improved. the new developed lateral load pattern is the instantaneous adaptive lateral load pattern gained by the internal force of the structure, and the new developed capacity spectrum method combined with the code response spectrum is used to gain the target displacement. at the same time, a pushover analysis of circulating load pattern is developed, and a relevant static nonlinear pushover analytic program is provided. the analytic results of two examples demonstrated that the instantaneous adaptive lateral load pattern is able to reasonably capture the important response attribute and that the pushover analysis of circulating load pattern compared with the pushover analysis of single direction load pattern can more accurately reflect the effect of the earthquake
在非線性靜力分析（ pushover分析）中，綜合闡述了pushover分析的理論基礎和不同的具體應用方法，並在pushover方法的關鍵問題荷載分佈模式和目標位移的確定上提出新的方法，即由結構受力反推得到的瞬時的適應性的荷載分佈模式和結合中國抗震規范反應譜的能力譜法確定目標位移的方法，同時提出一種新的循環往復加載的pushover應用方法，並編制了專門的pushover分析應用程序，應用此程序對不同算例進行分析，算例分析證實由結構受力反推得到的瞬時的適應性的荷載分佈模式能夠較好的模擬地震過程中實際的結構受力反應情況，循環往復加載的pushover分析方法較單向加載的pushover分析更能準確的反映實際的地震作用對結構的影響。 -
Comparision spectrum and spatial distribution of pulse current on a transmission line and it ' s near and far field radiation pattern
傳輸線線上脈波電流之頻譜與分佈及其各頻率成份之輻射遠近場型之差異。 -
Chapter three discusses the vibration information based automatic diagnosis mehtod. the acquisition of spectrum feature of fault pattern class by the fuzzy clustering algorithm is the bisis of pattern recognition in the level of fault class. the result acquired by fuzzy relationship between vibration symptom and fault shows the feature of fuzzy - relation - based method
第三章主要研究基於振動信息的自動診斷方法，建立了故障模式類的概念，根據模糊聚類演算法確定了故障標準模式類及其頻譜特徵，為在故障模式類層次上的模式識別提供了理論基礎；研究了模糊關系診斷結果的分佈規律；建立了綜合診斷實現了基於綜合診斷方法的多機組、多測點在線診斷。 -
The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line
傳輸線上脈波電流頻譜中各頻率成份在遠近場區中場型之比較。 -
The studies on the age structure, food items and spectrum, sleeping site selection, reproductive ecology, daily activity and yearly wandering pattern were conducted with tracking and observing methods in xiaoshennongjia district, hubei province within october, 2000 to june, 2002. the main conclusions from this research are as follows. 1
為此， 2000年10月2002年6月，我們對棲息于湖北小神農架地區的川金絲猴種群通過跟蹤觀察在年齡組成、食物資源與食性、夜宿地點及選擇、繁殖生態、活動規律和游蕩模式等方面進行了初步研究，結果如下： 1
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