譜定理 的英文怎麼說
中文拼音 [pǔdìnglǐ]
譜定理
英文
spectral theorem-
Practice shows that the application of frequency spectrum characteristics to the evaluation of ip anomalies caused by sulfide mineralized bodies ( chalcopyrite ) and graphite - bearing dolomitic marble is effective
實踐證明，利用頻率譜定性評價硫化物礦化體（黃銅礦）與含石墨白雲質大理巖激電異常源取得較佳效果。The cheapest way to get one is to invoke the spectral theorem and to conclude that normal operators always have non-trivial invariant subspaces.
取得這樣結果的最省力的嘗試是引用光譜定理而得到正規運算元恆有非平凡不變子空間的結論。Then the following state - ments are equivalent : ( 1 ) 0 is an isolated point in ( 2 ) a is a finite rank operator ; is the spectral projector associated with. theorem4. 5 let a be a compact normal operator, is an isolated point in prop4. 13 let a be a compact normal operator, ao is an isolated point in a ( a )
定理乏止設a是緊正常運算元，則下列條件等價： （ ）是o （ a ）的孤立盧、 ；仰a是有限秩運算元； w 2n間a二一，其中燦1 ， …為」 （用自所有的互不相同的孤立點，民： h ?馬人一川為關于入的譜投影運算元The thesis consists of four sections. in section one, we introduce some background of the topic, in section two we review some basic and recent results about the structure and hierarchies of the computably enumerable degrees which are closely related to our topic - the algebraic structure of the plus cupping turing degrees, in section three, we outline the basic principles of the priority tree argument, one of the main frameworks and tools of theorem proving in computability theory, and in section four, we prove a new result concerning the algebraic structure of the plus cupping turing degrees that there exist two computably enumerable degrees a, b such that a, b ? pc, and the join a v b of a and b is high
本篇論文分為4個部分：第一部分介紹了這個領域的一些背景知識；第二部分主要回顧了前人在研究可計算枚舉度的結構和層譜時所取得的一些基本和最新結果，這些結果與我們的主題?加杯圖靈度的代數結構密切相關；在第三部分中，我們概要的描述了優先樹方法的基本原理，此方法是可計算性理論中定理證明的一個重要框架和工具；第四部分證明了一個加杯圖靈度代數結構的新結果：存在兩個可計算枚舉度a ， b ，滿足a ， b pc ，而且a和b的並a b是一個高度。For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation
對給定的樣本點，由樣本點為變量的協方差函數構成的矩陣，當樣本點個數趨于無窮大時，證明此矩陣譜逼近於積分方程正定核的譜逼近定理。The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward
主要成果包括：提出了模糊隨機變量協方差和反向協方差的概念；研究了二階模糊隨機變量的均方收斂性，並在此基礎上得到了均方模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理；根據均方模糊隨機分析理論，得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程；證明了ito型模糊隨機微分方程解的存在唯一性，並給出了ito型線性模糊隨機微分方程解的表達式，統計特徵方程以及非線性模糊隨機微分方程的數值解法；得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法；研究了當觀測值是模糊數據時，線性回歸模型的建立。In this thesis, summarized the basic theories of fourier transformation and the fast fourier transformation that are generally adopted to detect and analyze the electric power harmonic in the electric power supply system. at the same time, summarized the even sample principle, the phenomenon of frequency mix, the window functions and the frequency leaking as so on, those are closely - related to sample from figure signal
簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論以及與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論。Summarized no - line loads and the present situations of the electric power harmonic pollution in the guangyuan district ' s electric power supply system ; explained the theories of fourier transformation and the fast fourier transformation those are widely adopted by majority scholars to examine and analyze the electric power harmonic in the electric power supply system. summarized the principle of even sample, the frequency mix phenomenon, the window functions and the frequency leaking as so on, those are closely - related to the figure signal
簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論，簡要闡明了與數字信號采樣密切相關的均勻抽樣定理、頻譜混疊現象、窗函數和頻譜泄漏等的基本理論，同時闡述了電力系統的諧波檢測與分析的相關理論基礎知識。According to floquet theorem, the relations between the dyna mical localization and quasi - energy bands are pointed out with both numerical and analytical calculations on quasi - energy bands and their corresponding time evolution
應用floquet定理，從解析與數值計算兩個角度計算了該模型的準能譜與時間演化，指出動力學局域化與準能譜的塌縮的對應關系。In the first, an academic concept of the slope spectrum was firstly put forward. the slope spectrum is defined as a statistic graph or a mathematical model with its x - axis denoting the numerical value of the slope factors ( e. g. gradient, aspect or curvature etc. ) and its y - axis the corresponding area on the ground in a specific statistic area
首先，本文提出了地面坡譜的理論概念：地面坡譜是指在一個特定的統計區域內，以某項坡面因子（坡度、坡向或曲率等）的大小為自變量，其對應的地面面積為因變量，構成的統計圖表或模型。On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former
作者提出了一種基於帶通采樣定理的抽取器數學模型，對該數學模型進行了時域、頻域的分析證明后，設計了一種基於該數學模型的抽取器，進而根據無線電射頻信號頻譜的特點，提出了高效混合濾波器組adc系統，其數字信號輸出速率比高速混合濾波器組adc系統降低m - 1倍。2. by doing precise computation of spectral radius of linear operator of linear equation and by using measure of noncompactness and leray - schauder type fixed point theorem of condensing mapping, the existence and the uniqueness of the solutions are obtained, which extend the results recently achieved in this field
二、通過線性方程解運算元譜半徑的論證，在緊型條件下利用凝聚映射的leray - schauder不動點定理及冪壓縮映射不動點定理，獲得了解的存在性與唯一性結果，這些結果推廣了近期這方面已有的一些結果。By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated
根據我國干線鐵路軌道譜，採用三角級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數；根據秦沈客運專線高速試驗段軌檢車資料，採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數；在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波；用隨機變量描述道床橫向剛度，並進行了隨機模擬；將振動理論和穩定理論結合建立系統的分析模型和運動方程；根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序，進行了無縫線路隨機動力響應分析，通過試驗對計算模型、計算方法進行了驗證。Secondly, according to the requirements of synthetic diathesis in training person with ability in 21st century, it tabled some idiographic proposals to textbook " s construction of physical experiments as well. and according to these proposals, the author participated in composing seven experiments " correlative contents, which including optical fiber communication experiment, qualitative analysis of spectrum, measuring magnetic field of solenoid with hall " method, measuring the distribution of light ' s diffraction intensity through the single slot, and ajusting & making use of spectrometer
其次根據21世紀信息時代對人才綜合素質培養的要求，對「大學物理實驗」課程的教材建設提出了一些具體的建議，並根據這些建議編寫了「光纖通信實驗」 、 「光譜定性分析」 、 「霍耳法測螺線管磁場」 、 「單縫衍射光強分佈的測定」和「分光計的調整與使用」等七個實驗。We also review parallel computing model, parallel programming model and the software engineering for numerical applications. ( 2 ) on spectral element method and parallel computing of 2 - d spectral element shallow water model i ) we put forward a hybrid - local - basis theorem, and give two kinds of local basis schemes fitting for both the chebyshev polynomials and the legendre case
（ 2 ）關于譜元素方法及兩維半隱譜元素淺水波模式的并行計算? ）依據切比契夫多項式和勒讓德多項式的計算特點，提出了一個混合局部基函數預備定理，給出了兩類混合局部基譜元素格式。The software and hardware design of portable digital testing equipment based on tms320vc5510 are presented, which is the newly efficient and low power consuming dsp of ti corporation. the system realizes the requirement of sample theorem when sampling the wide spectrum signal with an equivalent sample technology, integrates the lcd control core in cpld and makes cpld as lcd controller instead of specific lcd controller, and makes the colorful stn - lcd as terminal displaying facility. the system suits the development requirement of the new portable digital testing equipment with the specialities of low power consuming, high integration and good displaying interface
本文介紹了以ti公司新一代高效率、低功耗數字信號處理器tms320vc5510為核心實現的便攜式測試設備的軟硬體設計，以等效采樣技術實現采樣寬頻譜周期信號對采樣定理的要求，在cpld內集成完整的lcd控制核代碼，並以cpld作為lcd控制器取代專用控制器，以stn彩色lcd作為終端顯示設備，該方案具有功耗低、集成度高、良好的人機介面等特點，適合新一代便攜式測試設備的發展需求。Before the development of the system, the article describes the above - mentioned aspects, as the bases of the system development. the article emphasizes related auto - controlling technologies : open - 100p and close - 100p, and control mode of negative - feedback, the scatter and quantization of the simulate signal, the conception of a / d and d / a conversion and code / encode, the basic sampling principles of the simulate signal. the article introduces the operation method and process of the system by means of the load spectrum
文章對相關的理論進行了陳述，以作為系統開發的理論依據，重點闡述了自動控制系統中包括開環閉環在內的幾大主要控制模式，以及有關的負反饋控制方式，模擬信號的離散與量化，模數轉換、數模轉換、編碼譯碼的概念，及模擬信號采樣的基本原理? ?采樣定理，並以載荷譜法為例，簡述了所研究的系統將要採取的工作方式及工作過程。Telecommunications - electromagnetic compatibility and radio spectrum matters - electromagnetic compatibility standard for radio equipment and services - part 23 : specific conditions for imt - 2000 cdma direct spread base station radio and ancillary equipment
電信.電磁兼容性和射頻頻譜管理.無線電設備和業務電磁兼容性標準.第23部分: imt - 2000 cdma直接擴譜基地臺無線電設備和輔助設備的特定條件The spectrum theorem in rb algebra
代數中譜定理In this paper, by estimates of spectral of an integral operator, the authors give a theorem on the existence of solutions for first order differential difference equations with boundary condition
摘要通過對積分運算元譜的估計，作者給出了一階線性微分差分方程在邊值條件下解的存在唯一性定理。分享友人