離散分析 的英文怎麼說

中文拼音 [sǎnfēn]
離散分析 英文
analysis of variance
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  1. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點,本文提出了一種應用於激光多普勒測速的高精度信號處理技術,即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜,搜索其譜峰值頻率,接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化,再引入能量重心頻譜校正演算法對細化后的譜峰進行校正,從而將頻譜演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來,充發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率,通過goertzel演算法獲得頻帶的高解度頻譜,然後通過能量重心校正演算法對細化后的頻譜進行高精度校正,這樣不僅保證了演算法的高效性,而且大大提高了的精度。
  2. Analyse the tooth geometry of klingelnberg cyclo - palloid spiral bevel gear., according to the relative position and kinematic relation of the cutter heads, virtual crown gear and the processed wheel blank, established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg cyclo - palloid spiral bevel gear, and drawing the three - dimensional graphs of the virutal crown gear and klingelnberg cyclo - palloid spiral bevel gear according to the design and setting parameters

    對克林貝格擺線齒錐齒輪進行齒面幾何。根據銑齒加工中刀盤、搖臺和輪坯的相對位置和相對運動關系建立了切齒嚙合坐標系,由矢量的旋轉推導了產形輪齒面方程;根據空間嚙合原理和切齒嚙合關系推導了被加工齒輪的齒面方程;由設計參數和銑齒調整參數計算得到齒面數據,繪制了產形輪和擺線齒錐齒輪的三維齒形。
  3. Third, the traditional method of the establishment of disperse systems is analyzed ; the method of step establishment model is used. this method makes the establishment of disperse systems easy, and can minish the complex of makes the establishment of disperse systems

    再次,事件系統的建模方法,提出了對象模塊化級建模方法,該方法三步對柔性製造系統建模:建立系統的靜態對像模型、動態行為模型和調度決策模型。
  4. Research interest : surface science ; kikuchi electron holography ; electron multiple - scattering techinques ; molecular dynamical simulations ; ab initio total energy calculations ; self - diffusion on metal surfaces ; dissociative adsorption of h2 on metal surfaces

    研究興趣:表面科學,電子全像術,電子多重理論技術,子動力學模擬,第一原則總能量計算,表面原子動態學,氫子的解吸附。
  5. 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,給出了可解信號及其采樣的基本概念;也指出了信號可化的條件;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,證明可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。
  6. The experimental results show that the small targets submerged by the large ones can be detected effectively, and better accuracy and shorter computation can be obtained by using the modified rwt than radon - wigner transform

    本章首先了基於多項式變換( discretepolynomial - phasetransform , dpt )參數估計的原理,並將dpt應用於多目標辨中。
  7. The shell is divided into orthogonal or oblique crossing girder systems, which make up a space rigid frame structure, then an analysis is made of the endogen force of the shell structure based on the curved lever space rigid frame structure

    該方法通過將殼體結構成相互垂直或斜交的曲桿梁系組成的空間剛架結構,進而曲桿空間剛架結構的內力,達到殼體內力的目的。
  8. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally

    本文了國內外水電站自動控制裝置的研究和發展狀況,尤其是國內小型水電站的自動化現狀,針對現有電力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能,還對水輪發電機組進行了調控,通過與上位機處理程序的配合,可以實現水電站的自動發電控制、機組順序啟停;在測量發電機組機端電壓和電流參數的時候,採用32點傅立葉演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「控制、集中管理」 。
  9. But almost none studies analysis and design principle about quasiliquid device by the numbers. for providing theory guidance for quasiliquid device design and improving capability and reliability of quasiliquid fuzes, taking experience formula of loose object orifice flowage of loose object mechanics, this paper constitutes three type quasiliquid safety and arming device mathematics models by force analysis

    為了為引信準流體機構設計提供理論指導,提高準流體引信性能及其可靠性,本文以體力學粒體孔口流動經驗公式出發,結合典型準流體機構具體結構,通過受力,建立了心力驅動、彈簧力驅動和心力與彈簧力相結合驅動三種典型準流體延期解除保險機構地解除保險過程數學模型。
  10. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群數量的空間格局進行測定,而格局佈有可能受樣方大小的影響,且過程中沒有涉及聚塊間密度差的問題,因而無法掌握種群的聚塊大小差別及聚塊內個體間的程度.本研究採用無樣方距法,測定不同生境的格氏栲種群空間格局,格氏栲種群格局的強度和紋理.強度以聚塊和間隙的密度差來定義,紋理則是體現聚塊內個體間的程度與諸聚塊間的程度.測定結果表明,格氏栲種群格局強度從高到低排列次序為:木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷;格局紋理從粗到細的順序是:木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測定結果與作者採用聚集度指標測定相同樣地格氏栲種群空間格局的結果基本相符.因此,格氏栲空間格局類型及佈與格氏栲生物學特性及生境的關系密切
  11. It explains tha the mity - based w system is a new methed and way for wtving cost hnt system of the modem enterprises ds having analsed in thcory and proved in praedce. it has irnportan meanin for reducing enwise cost and boving it ' s pidducs comive power. it also has consderable reference value to ghde cost management and cost control of chinse sepot enterprises

    通過理論和實踐中檢驗說明了作業標準成本制度是現代企業改進現有成本管理制度的?種新的方法和出路,對降低企業成本和提高產品市場競爭力具有特別重要的意義,對指導我國型製造企業在新的製造環境下的成本管理和成本控制具有較大的參考價值。
  12. This thesis also introduces some kinds of the jointing of cable and membrane strucfores. an open - air palestra has been designed in this thesis. the force density method has been used to analyze the shape, and the nonlinear finite method has been used to analysis the loads

    最後,本文還採用文中推導的方法,通過力密度法對某風雨操場進行形態,並通過將找形結果用非線性有限元法在無荷載狀態下計算結構的應力,結果表明本文推導的方法找形精度是足夠高的。
  13. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中,由於通道的時間色和頻率色,引起多徑展寬和多徑衰落,前者限制了數據的傳輸速率,後者造成短波數據通信中出現突發錯誤,為了解決多徑效應對短波通信的影響,本文所做工作如下:首先詳細了短波通道的統計特性,建立其數學模型;其次了擴頻通信的特點,從理論上證明擴頻技術不僅具有抗多徑干擾能力,而且具有多徑的能力;介紹了傳統的rake集合併技術的特點。
  14. Wavelet analysis and neural network have been researched. based on bp neural network, analysing the features of the bp neural network ' s activation function and the structure of the bp neural network, wavelets neural network is constructed with wavelet function. fourier transform has a important role on signal processing, so the fourier transform is introduced. a function ' fourier transform is analysed. after introducing the concept of the wavelet analysis, a serval wavelet functions is given out, so the knowledge of wavelet analysis is better understood. the multiresolution analysis has a important role on constructing wavelet function and understanding the wavelet transform

    小波和神經網路得到了廣泛的研究,小波神經網路是在bp神經網路的基礎上,考慮和了bp神經網路的激勵函數的特點,以及bp神經網路的結構,結合了小波的知識而構造的。傅里葉變換在信號的處理起重要的作用,所以介紹了傅里葉變換、傅里葉變換和加窗傅里葉變換,並對一函數作傅里葉變換
  15. The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches

    主要研究內容包括:交通量的產生根源及一般影響因素和當前公路運輸地位討論;從交通配理論及經典配流方法著手,通過城市間交通流路徑選擇行為和收費公路路段交通量特殊影響因素,初步提出路段交通量的形成機理,並採用效用極大原理和非集結模型理論( disaggregationmodel ) ,建立用戶出行路徑選擇概率模型;對路段阻抗及路阻函數(尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系)進行較為詳盡的,並以現階段國內外較為先進的研究成果為依據建立相應的成本測算模型,其中,特別提出了兩種確定客貨車輛時間價值的方法;離散分析法和時間-費率轉換法,後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方法;對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點;從數學的角度證明合理費率的存在性,並以最優化理論為基礎,建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。
  16. We studied its distribution pattem by using the following measures f the test for fitting to the poisson, negative binomial and neyman a distribution. at the same time, we use negative binomial parametef, dispersal index, patchiness index, cassie s index and clumping index, estimated the aggregation intensity. the results showed that the distribution pattern is typically aggregated, and the intensity of aggregation vari

    經統計,青島百合復合種群、各局部種群內個體的佈格局佈擬合的結果符合負二項佈;各聚集強度參數中,叢生指標)和cassie指標(二k )均大於o ,負h項參數限)均較小,擴系數k卜擴型指數)和聚塊性指標( m m )均大於1 ,以上這些表明各個局部種群的佈格局都為聚集佈。
  17. The theory of time scales was introduced by stefan hilger in his phd thesis ( [ 1 ] ) in 1988 ( supervised by bernd aulbach ), it has been created in order to unify continuous and discrete analysis. hilger found many results concerning differential equations had carried over quite easily to corresponding results for difference equations. then he defined the dynamic equation on time scales, i. e. the domain of the unknown function of the dynamic equations is a time scale

    時間模( timescales )最早是由德國w rzburg大學的hilgerstefan在1988年提出的,當時他在導師berndaulbach的指導下完成博士論文( [ 1 ] ) ,其主要思想就是把連續離散分析統一起來,他發現人們對微方程研究后往往又對相應的差方程進行研究,而一般情況下兩者又可得到相平行的結論,於是定義了時間模上的動力學方程,即方程的未知函數的定義域是一個時間模。
  18. Large scale of surficial travertine landscapes developed in jiuzhaigou - huanglong area, such as basin, pond, waterfall, shoal, cave, hole, funnel, lake, karstic spring and so on, distributing from the riverbed to hillside. this paper described the characteristics and distribution of the travertine, divided the types, discussed the the contributing factor, forecasted the trend and analyzed the measure of reasonable exploitation and protection

    九寨溝黃龍地區發育大規模地表鈣華堆積景觀,池、瀑、灘、洞、湖、泉類型眾多,自谷底至坡麓佈。本文對該區鈣華進行了佈與特徵描述、類型劃、成因探討、趨勢預測,以及合理開發與科學保護對策的
  19. By an in - depth study on the spherical gear with discrete tooth that ole. monlang has invented as a famous scholar, we found that this gear has two objections : errors in drive principle and difficulties in manufacturing. the essential cause that brirfg these objections are that tooth is distributed discretely on the spherical surface firstly, and that convex tooth form is beeline

    通過對國外著名學者ole . monlang發明的齒球齒輪的深入,發現該球齒輪存在傳動原理性誤差和加工困難兩大缺陷。而產生這些缺陷的根本原因一是輪齒在球面上呈佈,二是凸齒齒廓為直線。
  20. For simplicity, the analysis of the valuation of real options and the comparison of the npv and real options mentioned above are supposed to be carried out in terms of the simple financial pricing method - - - - - - the black - scholes method

    其中,第二章是從金融期權定價的離散分析和推導入手,再探討實物期權的定價;第三章則別介紹和討論金融期權的連續定價以及實物期權的連續定價。
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