模糊度量 的英文怎麼說
中文拼音 [móhúdùliáng]
模糊度量
英文
fuzzy measure- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 糊 : 糊名詞(樣子像粥的食物) paste
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 模糊 : 1 (不清楚) dim; vague; indistinct; obscure; fuzzy; blurred 2 (混淆) blur; obscure; confuse; m...
- 度量 : 1. (計量長短) measure; metric; mensuration 2. (寬容人的限度) tolerance; magnanimity
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Some properties of compactness on fuzzy metric spaces are studied, especially sequentially compactness, totally bounded sets, compact sets and compactness on the kind of spaces, and several theorems on compactness of fuzzy metric spaces are proved
摘要研究了模糊度量空間的緊性,主要討論了列緊性、全有界性、自列緊性和緊性等,證明了幾個關于模糊度量空間緊性的命題和定理。High precision positioning is based on carrier phase measurements. how to confirm integer ambiguity is very important
以載波相位觀測量為依據進行高精度定位時,整周模糊度的確定是一個關鍵問題。The key problems of gps carrier phase measurement are how to solve the integer ambiguity of gps carrier and how to detect and compensate the cycle slip of gps carrier in the period of navigation process
載波相位測量定位的關鍵問題是如何確定整周模糊度和周跳的探測和修復。本文對此問題展開研究,討論了在載體動態運行環境下,動態整周模糊度問題和周跳的探測與修復問題。Recently, with the development of gps, many researchers pay attention to the aircraft ' s precise entrance and landing through gps carrier phase measurement. the key technology of aircraft ' s precise entrance and landing is gps carrier phase integer ambiguity resolution on the fly
近年來,隨著gps的發展和完善,利用gps載波相位觀測量實現飛機的精密進場與著陸的研究,開始受到人們的關注,而載波相位整周模糊度的動態確定是其中的關鍵技術。A integrated algorithm of ambiguity resolution is proposed. by using triple carrier phase, integer gauss transformations, qr factorization, cholesky factorization, and geometry constraint, the correlation between ambiguity components is reduced, and more error ambiguity can be discarded, also process of ambiguity searching getting rapidly. the ratio test combining constraint of baseline is used to fix ambiguity rapidly
利用三差最小二乘求解模糊度浮點解,然後採用整數高斯變換降低模糊度分量間的相關性,再根據qr分解和基線幾何約束減少需搜索的模糊度組合,採用cholesky分解在搜索過程中及早淘汰不正確的模糊度組合,最後利用ratio檢驗與基線幾何約束條件相結合檢驗模糊度組合,盡快固定正確的模糊度。The results obtained from the simulation example suggest a good effect and significance of using gps simulation data for demonstrating the feasibility and validity of an od design or an algorithm of certain problem. 4 the ill - conditioned problem existing in relative kinematic od using gps carrier - phase data is discussed and then some preliminary efficient approaches for solving this problem are given out there are several reasons that cause the ill - condition pro
(四)探討了星載gps相位相對定軌中的病態性問題,並嘗試給出了較有效的解決方案地面基準站、低軌衛星和gps衛星之間的幾何形狀分佈不佳,差分技術的應用使得模糊度之間及模糊度和三維坐標向量改正之間產生較強的相關性,往往都會導致星載gps定軌中的法矩陣的病態性。Based on the fuzzy quantitative theory, a practical method in the high - teat quantitative and combined with the quantitative and qualitative variable system has been proposed in this paper
摘要在研究模糊數量化理論的基礎上,力圖找到一種數量化程度較高,並且能反映含有定性與定量變量系統的實用方法。In the design of articulation hole bolt, the blur variable and random variable existing at the same time, the blur reliability design method of shear strength and extruding strength are approached
探討了在鉸制孔用螺栓設計中,模糊變量與隨機變量同時存在時,抗剪強度與擠壓強度的模糊可靠性設計方法。Abstract : according to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved
文摘:根據電阻爐溫控制的特點,即只有升溫單向控制、滯后較大且具有參數時變性,利用模糊推理合成法建立模糊模型並進行模糊控制器設計,為提高模糊控制的精度,引入模糊變量k ,構成參數自調整模糊控制系統.該系統可根據誤差和誤差變化在線自動調整控制器參數,使系統的穩態精度得到改善This paper mainly deals with the subjects below : the problem on fem analysis, general reliability analysis and calculation, and optimization based on the general reliability of the random or fuzzy parameters structure ; and also brings forward a method for getting the fuzzy answers from the fem equation by taking the fuzzy multiplier from a fuzzy variable ; in the fem analysis and structural reliability optimization, the randomcity and fuzziness of the structural physical parameters and the load applied on the structures are all considered
文中對隨機和模糊參數結構在不確定性荷載作用下的結構有限元分析、可靠性分析和基於可靠性的優化設計等問題進行了研究。以桿系結構為對象,提出結構分析的模糊因子方法,其中分別或同時考慮了結構材料的物理參數、構件的幾何尺寸和作用荷載幅值等的隨機性和模糊性;對結構響應(位移、應力)為模糊變量時的廣義可靠度進行了推導。The stress is basing coal - fired boiler inflammation system feature and control demand to design a kind of fuzzy - pi controller on based of genetic algorithm to control it. the controller refers the error and its variety rate as its inputs. and, in order to make the control qualities much better, concerns them as the performance index to optimize the membership function of the fuzzy variables and the pi ' s controller parameter by means of online adjujsting the genetic algorithm, inflammation system steam pressure loop and economic inflammation loop
重點是針對燃煤鍋爐燃燒系統的特點和控制要求,設計了一種基於遺傳演算法的模糊- pi復合控制器對其進行控制,該控制器以偏差、偏差變化率作為輸入量,通過遺傳演算法在線調整模糊控制器的模糊變量隸屬度函數和pi控制器的參數,從而達到優化模糊控制規則和pi控制器參數的目的,實現燃燒系統的蒸汽壓力迴路和經濟燃燒迴路的控制要求。According to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved
根據電阻爐溫控制的特點,即只有升溫單向控制、滯后較大且具有參數時變性,利用模糊推理合成法建立模糊模型並進行模糊控制器設計,為提高模糊控制的精度,引入模糊變量k ,構成參數自調整模糊控制系統.該系統可根據誤差和誤差變化在線自動調整控制器參數,使系統的穩態精度得到改善Compared with the current whitening transformation, it can get the same result, but the osd operational time is about half of the whitening transformation ' s when it processes the same ambiguity covariance matrix. and the ambiguity screen can improve the reliability of the ambiguity decorrelation
它與流行的白化變換演算法比較,處理效果近似,但運算量接近白化變換演算法的一半,並且由於採用了模糊度篩選,故提高了模糊度去相關處理的可靠性。The procedure can not only resist the influence of outlying kinematic model errors, but also control the effects of measurement outliers. 9. the precise velocity can be determined respectively with precise positioning results, receiver raw doppler measurements and carri
討論了gps姿態測量中模糊度解算、姿態角解算等問題,並基於非專業姿態測量接收機,給出了gps姿態測量的初步結果。Considering the fuzziness of some boundary conditions enviroment media, and especially some loads in the engineering structure analysis, we go further into the computation based on the dynamic problem of fuzzy finite element ( ffe ), study further and systematically the analysis and solution. the principle of fuzzy minimum potential energy is established, and the balance equation of fuzzy finite element is reasoned by making fuzzy variation. at the same time, the dynamic balance equation of stochastic by making stochastic variation , also the fuzzy stochastic dynamic balance equation is deduced. based the theory that the degree of the fuzziness and probability can be measured, in the other word, by using the concept of fuzzy entropy and entropy, pure fuzzy dynamic structure is given through transforming the probability to fuzziness. for the fuzzy parameter can be regarded as a fuzzy vector with dimensions, the structure ' s eigenvalue, by the theory of small parameter
建立了模糊瞬時最小勢能原理,運用模糊變分原理導出了模糊有限元動力平衡方程;同時,利用隨機變分原理導出了動力問題的隨機有限元方程,同時得到了模糊隨機動力問題的有限元平衡方程。根據模糊度和概率度可以度量的原理,即利用模糊熵和概率熵的概念,把結構的隨機性等效地轉化為結構的模糊性,得到純粹模糊性的動力結構。把結構所具有的模糊參數看作一個維的模糊向量,利用小參數攝動原理,把結構的特徵值,特徵向量和位移都在模糊向量的均值處進行泰勒展開,得到一組遞歸方程,即可以求得結構的模糊特徵值,特徵向量和模糊位移。To provide a practical tool for fatigue assessment, this approach is based on the so - called simplified fatigue analysis with the assumption that the long - term stress histogram of the hull structure follows the weibull probability distribution, the s - n curves used in the assessment and evabatbn are the basic design - n curves for non - nodal johts " issued by den ( department of energy of united kingdom ), combining with computer technology the assessment procedure is programmed, which will indicate the fatigue damage condition and degree of technical status of tanker hulls
在中國船級社( ccs ) 《船體結構疲勞強度指南》和美國船級社( abs ) simplifiedfatigueanalysis的基礎上,根據對油輪結構特點和貨載特點的分析,討論了油輪船體疲勞損傷的影響因素,討論油輪疲勞強度計算方法和計算程序,引入模糊質量評級的方法,建立油輪疲勞損傷評估模型。結合先進的計算機技術,編制出油輪疲勞分析程序,採用典型實船資料,對其疲勞狀態進行評估,結果與實際情況比較吻合,表明該程序具有一定的合理性,可作為油輪船公司評價油輪技術狀態時在疲勞損傷方面的參考。If either of strength and stress is stochastic variable and another is fuzzy variable, the. fuzzy variable can be transformed to section number on the assumption that the probability of fuzzy variable taking some points in that section is proportional to its value of membership function respectively, then the probability of structural fuzzy event is transformed to general probability with stochastic strength and stress variables and can be solved by general probability theory
當強度和應力之一為隨機變量,另一個為模糊變量時,提出將模糊變量通過模糊集合截集轉換為區間數,並假定模糊變量在此區間取值的可能性與相應的隸屬函數值成正比。採用上述處理后,結構模糊事件的概率即轉化為相應的普通事件概率,可按應力和強度為隨機變量,用常規可靠性理論進行求解。Precise kinematic gps surveying in single - baseline mode is investigated with the emphasis on the ( near ) instantaneous ambiguity resolution for short - baselines, on the ambiguitiy resolution for long - baselines and on quality control. the main achievements of this paper are as follows : 1
本論文針對單基線動態測量模型,就短基線模糊度快速解算、中長距離模糊度解算、 gps動態測量(包括定位、測速和姿態測量)以及周跳檢測與修復等質量控制問題展開研究。First local invariant is extracted from the corners of the occluded object, which is used for local matching. then we measure the similarity between the object and the models in image base, and determine the class of the object by the rule of max similarity. experimental results show that this method is efficient
首先從目標缺損形狀的各拐點中提取局部不變特徵,再基於模糊度量進行局部匹配,然後對匹配段進行目標相似度度量,根據最大相似度來判定目標的類別,實驗結果表明方法的有效性。At last, we study the fixed estimation statistics of navigation and positioning parameter, compare positioning accuracy of the condition estimation with that of the fixed estimation, and point out interrelation of them. 6 ) after investigating the two methods of increasing the success probability, a new method of increasing success probability is presented. based on the quality of ambiguity estimators, the new method carries out the ambiguity ordering process, chooses ambiguities by estimators " accuracy, and goes on ambiguity decorrelation process using those chosen ambiguities with high accuracy
6 )研究了兩種提高整周模糊度估計成功概率的方法,提出了一種提高整周模糊度估計成功概率的方法,該方法是在模糊度去相關變換過程中,根據各個模糊度估計的質量,對模糊度估計元素進行排序選擇,選擇那些估計精度高的模糊度估計元素繼續進行模糊度去相關變換,通過數學分析和模擬證明了這樣的處理過程可以得到較大的成功概率。分享友人