混合數據模型 的英文怎麼說
中文拼音 [húngěshǔjùmóxíng]
混合數據模型
英文
mixed data model- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
- 數據 : data; record; information
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
-
The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。On the basis of these results, the relations of total - pressure recovery coefficient or flow coefficient and flight mach number, angle of attack and the second movable wedge angle of the inlet have been founded by hypersurface fitting, then the mathematical model of the inlet is established
根據流場計算結果並利用超曲面擬合方法建立了進氣道總壓恢復系數、流量系數與飛行馬赫數、進氣道攻角及二級可調斜板角度之間的關系,由此得到了二元混壓式超聲速進氣道數學模型。In addition, the paper designs a bottom database model, selects a multi - aim strategy combining files with known data, and establishes dual interaction data model that has explicit conceptual structure and directly aims to geographic objects, and provides backing up enquiry language ( g - sql ). simultaneously, after analyzing and studying methods available for the under pipelines, the paper constructs survey adjustment calculation model, and according to the model, checks the survey of under pipelines. the results indicate that the model is suitable to actual requirement because it greatly increase calculation speed, meeting calculation accuracy requirement
在此基礎上,對系統的底層數據模型進行設計,選擇了文件與成熟數據庫相結合的混合策略,併兼顧面向對象的數據庫( oodb )和可擴充數據庫( edb )的特點,建立了一個概念層次清晰、面向地理對象實體的雙層語義數據模型以及支持模型的查詢語言g - sql ,同時對地下管線的各種測試方法進行分析研究,建立了地下管線測量平差計算模型,並以此對所勘測的地下管線進行核算,計算結果表明,計算模型不僅大大提高了核算的速度,同時在計算精度上也符合核算的要求,是符合實際要求的關于測量平差計算的模型。Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system
首先在流變學原理的基礎上,深入分析混凝土在輸送管道內的流動狀態,得出混凝土泵的負載特性方程;然後根據功率鍵合圖的建模方法,建立泵送迴路和分配迴路的數學模型,並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬,分析了在不同的輸入流量(泵送頻率)和換向時間下,活塞桿的位移和系統的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的響應時間(固定值)與活塞桿的運動時間(變化值)不相匹配) ,並提出了相應的改進方法。4 ) combining the scene simulation technology based pc with the simulation model for seismic damage illustration, the buildings earthquake damage illustration system ( embryo ) is estabished. we adopted a mixed - language programming model using visual basic, visual c + + and vba and provided good files management and powerfully database supporting. with the functions of vulnerability analysis, automatic documents processing and earthquake damage illustration, the software can be used for the seismic damage forecast and earthquake damage illustration for sevarel types of common buildings
4 )利用基於pc的視景模擬技術,結合房屋震害的模擬模型,開發了房屋震害演示系統(雛形) 。該系統採用了visualbasic + vba + visualc + +的混合編程模型,具有完善的文件管理功能和強大的數據庫支持。該系統兼具易損性分析、自動文檔處理和震害特徵演示三項功能,既可以用於常見房屋的單體震害預測,亦可用於常見房屋單體震害特徵的直觀演示。This thesis is to analyze the project of ertan hydropower station in order to have an optimizing selection of the place for sand & stone by the means of systems analysis. this thesis will built a system to seek a best scheme about optimizing selection of the place for sand & stone by the means of analyzing and counting the basic data, building different mathematical modeling on base of man - made & machine - made stone, using dug stone and different sources of crude stone and the mixture of several material
本文以實際工程為例,建立了料場的優化選擇系統,對原始數據的採用進行分析計算,針對人工砂石料、石碴料的利用、天然砂石料幾種不同的料源及幾種料源混合使用的情況,分別建立數學模型,進行解算,尋求較優的砂石料場選用方案。Conclusion when the data exhibits correlation, mixed linear model is more suitable for the analysis of repeated measurement data
結論在數據之間相關性較為復雜時,混合線性模型更加適合於析因設計的重復測量資料的統計分析。In this paper, we first analyze the input and output as well as cost - benefit rate of chinese livestock industry by the example of hog, beef, mutton and dairy cow. then, we choose the samples from different regions in different time, use the stochastic production frontier suggested by battese and coelli ( 1992 ), which is aimed at the panel data ( balanced or unbalanced ), and make the econometric analysis for the growth of hog, beef, mutton, and dairy cow. different from the former research for livestock industry, the efficiency measurement theory is introdiced into the growth model and the tfp is dissolved into technical advancement, technological efficiency and residual, the translog production function is used to make the estimation more precised
本文首先以生豬,肉牛、肉羊和奶牛為例對近年來我國畜牧業的投入產出和成本收益狀況進行了分析,然後採用battese和coelli在1992年提出的針對混合數據( paneldata )的隨機邊界生產函數形式,在不同地區選取一定的樣本,利用樣本省的時間序列與截面混合數據,對生豬,肉牛,肉羊和奶牛的增長因素進行了分析,與以往對于畜牧業增長研究不同的是,將效率測算理論引入生產增長模型,把全要素生產率分解為技術進步、技術效率和殘差項,並採取了更加符合實際的超越對數函數形式,使傳統上使用的索洛余值法得到改進,更深層次的剖析了我國畜牧業目前的增長方式。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。Thus, the article 2000 - - 2005 in hebei province in 11 districts and cities of mixed data model building, the impact of urban residents per capita consumption of water in a preliminary analysis
由此,文章以2000 - - 2005年河北省11個設區市的混合數據建立模型,對影響城市居民人均生活用水量的因素進行初步分析。The author puts forward the thought of analyzing bifurcation and chaos in dc / dc converters with the theories of nonlinear dynamics, and the thought of controlling nonlinear problems with linear controlling methods of modern control theory. chapter three ( research on bifurcation and chaos in pwm dc / dc converters ) first theoretically analyzes and emulates period - doubling bifurcation of pwm dc / dc converters with the " inverse " piecewise numerical emulation. then the author analyzes in detail the sampled - data model, the mathematical model, which is suitable to the nonlinear research of dc / dc converters
第三章( pwm型dc dc變換器中分岔與混沌的研究)首先採用「逆向」分段數值模擬法對pwm型dc dc變換器中的倍周期分岔進行了理論分析與數值模擬;接著詳細地分析了適合於dc dc變換器非線性研究的數學模型一采樣數據模型,提出了dc dc變換器中存在環面分岔與鞍結分岔的可能性;最後通過電路實驗驗證了在電路參數發生變化時, dc dc變換器經歷一系列的倍周期分岔通向混沌的演化過程,並對混沌態下dc dc變換器的輸出特性進行了分析與小結。Land adaptability evaluation based on vector - raster mixed data model
基於矢柵混合數據模型的土地適宜性評價研究A hybrid 3d data model based on multi - dems and qtpvs and its application in geological modeling
的混合數據模型及其在地質建模中的應用Traditional mixed data model, which manages special data in the form of files and manages attribute data in the form of relation database, is adopted during building special database ( attribute database vector and grid database ) which is the nucleus of the data bank
數據庫中的核心部分?空間數據庫(屬性數據庫與圖形圖像庫)採用傳統的混合數據模型,以文件的形式管理空間數據,以關系數據庫管理屬性數據。5. a mixed data model called relation - level - object, which is used to image retrieval system in flood prevention, is presented in order to satisfy special access requirement for image data and spatial data. with the research results of this dissertation, a prototype system, a content - based engineering image retrieval system, is designed and implemented
研究了圖象檢索技術在水利行業中的應用,提出了關系?層次?面向對象的混合數據模型,並擴展數據模型以滿足多媒體數據與空間數據的特殊情況,摘要研究了系統實現的具體技術方案,設計並實現了一個用於工情圖象檢索模型系統。A local constant estimator for nonparametric mixed - effects models with longitudinal data
縱向數據非參數混合效應模型的一個局部不變估計Through the analysis of petri net models and the experimental data gained from eda tools, it is proved that the mix - execution of scalar and vector instructions " architecture is suitable for embedded microprocessor
通過petri網模型分析與eda工具的實驗數據,證實標量向量混合執行模型適用於嵌入式微處理器的體系結構設計。Applications : as data is modelled as finite mixture of t - distributions, t - ppca is robust in application. comparing with the use of gaussian distribution, our approach does give better results, as is shown by the experiments in chapter 5
應用方面:我們用多元t分佈的有限混合作為數據模型,保證了t - ppca的穩健性,從而比gaussian - ppca更具實用價值。In this thesis the theory and method of intelligent fault diagnosis for a large turbo - pump fed liquid - propellant rocket engine ( lre ) is innovatively proposed and developed, based on the hybrid reasoning strategy and the hybrid knowledge models including mathematical model, logic model, graphic model and qualitative model. the theory and method are constructed in the way of intelligent modeling technique and creative application of knowledge engineering, and focus on the difficult problems and critical techniques such as the unified treatment of lre knowledge ( experience, facts, rules, graph, system structure, behavior, model knowledge and measured data ), the integration and translation of qualitative and quantitative knowledge, and the knowledge - based intelligent fault diagnosis reasoning methods. firstly, besides the correlation of different knowledge, the concept and the types of lre diagnosis knowledge are systematically described
本文以某大型泵壓式液體火箭發動機為研究對象,以智能建模技術和知識工程的創造性應用為主要技術手段,圍繞著發動機知識(經驗、事實、規則、圖形、結構、行為、模型知識與測量數據信息等)的統一處理技術、定性定量知識的集成與轉化和基於知識的智能故障診斷推理等關鍵技術和難點,創新地研究發展了發動機基於混合知識模型(數學模型、邏輯模型、圖形模型及定性模型)和混合推理策略的智能故障診斷理論和方法。The author used an expected sufficient statistics update equations to begin their estimating of the gaussian mixture model, then switch to l - recent window version when the first l samples are processed, and got a good performance
作者用一系列的修正方程式統計數據開始了他們對混合高斯模型的估算,然後將初步得出的數據轉換為濾鏡視窗版本進行查看,效果還不錯。分享友人