最大模數 的英文怎麼說
中文拼音 [zuìdàmóshǔ]
最大模數
英文
maximum modulus-
The computational results of the particle images are agreement with the simulated datain reasonable, the most absolute difference of the displacement is 0. 6671 pixel at the x abscissa and 0. 7928 pixel at y abscissa ; the computational results are equal to the data form the algorithm of particle brightness - distribution pattern tracking ( the conventional cross - correlation algorithm ) at voluminous points, their discrepancy is only one pixel at few points, mostly in boundary area
西安理工大學碩士學位論文最後,在visualfortran環境下給出了這種演算法的具體實現,處理模擬粒子圖像的結果與模擬數據比較吻合,最大位移絕對誤差在x方向是0 . 6671像素,在y方向是0 . 7928像素;計算結果與示蹤粒子灰度分佈模板法(基本的互相關法)在絕大部分點是相同的,只在少數點相差一個像素,而且大多出現在邊界區域。The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions
( 2 )根據不同的前提條件,採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數;深入地研究了寬帶匹配場處理中的相干與非相干問題;在分析參數反演的敏感性之後,提出了淺海環境參數寬帶匹配場反演的多步優化策略,並與全參數反演方法進行了性能上的模擬比較。With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving
在此分析過程中:首先將物理模型簡化為力學模型,主要是將塔架結構按空間桿單元簡化為空間桁架結構,目的是將力學模型變換為數學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算,再將計算結論整合入algorfeas產生的初始數據卡中,生成計算數據卡;接著,利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖,位移圖,並且求出在不同載荷條件下的最大位移和最大應力等;然後,對塔架的穩定性進行分析;最後;根據計算結果提出改進建議。By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw
同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析,給出了更為嚴格的約束條件,保證了信號處理后距離譜峰值的唯一性。最後,分別介紹了fmpcw和fmicw信號的不同處理方式,並對兩者不同的時域濾波性能進行了比較,並對二者的差異進行了分析。The numerical results show that the method can effectively solve the max - bisection problem
數值實驗表明該方法可以有效地求解大規模的圖的最大二等分問題A general estimation of the nth derivation of the function is presented by using the principle of the inductive model and the characters of the bounded functions
對有界正則函數族中的函數,根據最大模原理和有界函數的系數不等式,得到了n階導數的準確估計式。Some problems occurred in the compensation management of cadi and the causes are discussed. according to the current situation of the human resource of cadi, the characteristics of engineers working in the cadi and the characteristics of the aircraft design, the distribution schemes focusing on job positions and performance are given, of which a linear programming model is built to resolve the performance compensation at the aim of max - motivation in order to form a suitable model of compensation management and to achieve " double - win " between the employee and the employer
針對611所人力資源狀況、工程技術人員特點及飛機設計專業工程工作特點,提出以崗位為核心的崗位薪點設計方案和以個人業績為核心的績效分配設計方案,建立了以激勵強度最大化為目標的線性規劃數模,用單純形法求解績效獎酬,以形成一種激勵強度大、內部公平合理、對外具有競爭力的薪酬管理模式,即實現員工與組織在此問題上的「雙贏」 。Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit, a groundwater stochastic management model for optimal drainage borehole design is established. the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling. it was found that the higher the parameters uncertainty and the management reliability level, the worse the management result
文摘:從影響元寶山露天礦地下水疏乾的主要水文地質參數隨機性特徵分析入手,建立並求解了元寶山露天礦疏干工程優化設計的隨機地下水管理模型,揭示了水文地質參數隨機性對管理模型結果的影響,認為參數的隨機性越大,管理結果越壞;置信水平越高,管理結果越壞,且滲透系數和邊界條件對管理結果影響最大。We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response
其次藉助ansys有限元分析軟體,對系統進行了模態分析和動力學響應分析,獲得了不同天線結構參數下的衛星?天線系統的固有特性,簡諧響應的幅頻特性,隨機振動響應的功率譜密度,以及沖擊響應的最大幅值和恢復時間等。( 6 ) the principal stress direction arised deflexion obviously after excavation, the maximum principal stress paralled to opening, minimum principal stress vertical to sidewall or vault
( 6 )數值模擬研究表明,隧道開挖后,主應力方向發生明顯偏轉,最大主應力與開挖臨空面平行,最小主應力近於垂直。1 milner, f. a., and park, e. j., a mixed finite element method for a strongly nonlinear second - order elliptic problem, math. comp., 1995, 64 : 973 988
2陳煥禎,二階擬線性橢圓問題混合元方法的最大模估計,高等學校計算數學學報,待發表Moreover two types of non - cooperative sequences estimation and despreading schemes are introduced briefly. 2. several usual blind code synchronization methods, including delay multiply ( sliding autocorrelation ), maximum norm and average noise reduction approaches are summed up and analyzed by computer simulations
2 、總結和介紹了幾種常用的盲碼同步方法,包括延遲相乘(滑動自相關)法、最大范數法、平均降噪法等,並進行了計算機模擬和分析。The latter pay special attention to the software implementation environments, including the technical details such as programming interface, data structures and 32 - bits visual c + + inline assembler. a sorftware packet is designed and implemented at last, which can perform the modular multiplication with equal 2048 - bits long of modulu and operands within approximately 5. 239ms and the modular exponentiation with equal 2048 - bits long of modulu, exponent and base within approximately 4290. 559ms
經測試,在intelceleron400mhz , ram64mb的pc機上,進行一次乘數與被乘數的最大位數均為2048位長的模乘運算所需平均時間約為5 . 239ms ,在進行一次底數和指數的最大位數均為2048位長的模指數運算所需的平均時間約為4290 . 559ms 。Based on this fomulation, expanded mixed finite element approximations of the hyperbolic problems are considered. optimal order error estimates for the scalar unknwon, its gradient and its flux in l2 - norms are obtained for this new mixed formulation
給出了逼近未知函數、未知函數梯度和流體流量的最優l ~ 2模誤差估計以及擬最優的最大模誤差估計。The experimental results indicates that the secondary mass flow increases with increasing of primary mass flow rate, but the bypass decrease because the primary mass flow rate increase more rapidly than secondary mass flow. the expansion configuration shows low thrust property due to low pressure in flow path. the secondary nozzle changes the pressure distribution in ejector combustor, and decreases bypass ratio, but obtain more completely mixing
結果表明:二次流流量隨著一次流流量的增加而增加,由於二次流流量的增加速度低於一次流,引射系數減小;在純擴張式結構實驗中,引射燃燒室壓強很低,難以實驗推力增強;二次噴管改變了引射燃燒室的壓強分佈,降低了引射系數,改善了混合狀況能;對于本文的實驗結構,存在一個最優的二次噴管出口面積,使引射火箭推力最大,同數值模擬結果相吻合。The time - frequency of the wavelet transform and the signal wavelet decomposition - reconstruction algorithm based on the multi - resolution analysis are analyzed. the signal local singularity under the wavelet transform are studied. the difference between between mallat ' s maximun modulus algorithm and donoho ' s waveshrink algorithm are analyzed, too. the denoise effect of different threshold and threshold function are studied. base on compare the advantage and disadvantage of donoho & johnstone threshold and believing - region threshold, a modified algorithm is developed : combining threshold distinguishing and shield filter method
討論了基於mallat理論最大模數方法以及基於donoho理論的閾值萎縮去噪方法的差別,研究比較了不同閾值規則與閾值函數對去噪效果的影響;在此基礎上,結合統一閾值和置信區間閾值各自的優缺點,提出閾值判別和屏蔽濾波相結合的方法。Next, the author construct the two - stage confidece intervals for the parameters of the more general location and scale family. further, the author discuss the correspondent problem in normal linear models, design bonferroni, scheffe and the maximum modulus t. two - stage confidence intervals respectively
接著,作者構造了更一般的位置刻度族中位置參數與刻度參數的兩步區間估計,進一步,作者討論了正態線性模型中回歸系數的相應問題,分別設計了bonferroni , scheffe和最大模t _兩步區間估計。In this thesis, we discuss the principles and implementation of viterbi beam search algorithm in depth, and discuss the state level pruning, word level pruning and maximum model pruning
本文深入分析討論了viterbibeam搜索演算法的原理、特點和實現技術,詳細討論了狀態層、詞層的搜索空間裁剪策略和最大模型數裁剪策略。3. schemas for semistructured data differ, however, from those for relational or object - oriented data. therefore, typing system and schema formalisms for xml - based semistructured data are extensively studied, and the algorithms both for computing type classification with maximal fixpoints semantics and maximal simulation are proposed, respectively
三、對半結構數據的類型及模式的描述形式進行了研究,並分別給出了使用最大不動點語義計算半結構數據類型劃分的演算法思想和最大模擬( simulation )計算方法的思想。Using the regularized greens functions and a duality argument, it is proved that the mixed finite element method proposed in this paper possesses the superconvergence by almost one order maximum norm estimates for the l2 projection of the function and quasi - optimal maximum norm estimates for the associated vector function for a strongly nonlinear second order elliptic problem
本文利用正規格林函數及對偶論證技術證明了一類強非線性二階橢圓問題混合元方法對函數的l2投影具有幾乎超收斂一階的最大模誤差估計,對伴隨向量函數具有擬最優最大模誤差估計分享友人