upper bound 中文意思是什麼
upper bound
解釋
【數學】上界。-
A number x is called an almost upper bound of a.
數X稱為A的殆上界。 -
The estimation of upper - bound of the dilatation for beurling - ahlfors extension
擴張伸縮商的上界估計 -
An upper bound for the number of normalized latin square
關于規范型拉丁方個數的上界 -
An almost lower bound is defined similarly as an almost upper bound.
殆下界的定義與殆上界是類似的。 -
Fortunately, tmpfs allows you to specify a maximum upper bound for the filesystem size when a filesystem is mounted or remounted
幸運的是， tmpfs允許您在安裝或重新安裝文件系統的時候指定文件系統容量的最大值上限。 -
Numerical procedures of upper - bound approximation of shakedown loads and its application in engineering
安定荷載上限近似解的數值分析方法及其應用 -
The value determined in this way is an upper bound on the correct load capacity.
按這種途徑所確定的值是正確的承載能力的上界。 -
We present the national primary and second ambient air quality standards as upper bound guideline.
我們把國家一級和二級環境大氣質量標準作為上限控制線。 -
Gets the upper bound of the range of invalid indexes
獲取無效索引范圍的上限。 -
An upper bound of adjacent strong edge chromatic number
一類圖的鄰強邊色數的上界 -
No upper bound on the event detail length is set
，則不設置事件詳細信息長度的上限。 -
Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel
本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。 -
Critical height analysis for bedding rock slopes using the upper - bound method of limit analysis
層狀巖質邊坡臨界高度極限分析上限解 -
By means of analytical methods based on upper bound element technique ( ubet ), non - axisymmetric element, simulates the forming process of non - axisymmetric involute teeth spline has been introduced, formula of speed fields been derived and the deformation regularity of steady extrusion on the forming process successly described
摘要本文運用上限單元技術（ ubet ） ，引入非完全軸對稱單元，模擬了非完全軸對稱零件漸開線齒外花鍵的成形過程，推導出了成形過程中的速度場公式，並成功地描述了擠壓過程中的變形規律。 -
For all admissible uncertainties and possible controller gain variations, the desgined controller can guaranteed that the closed - loop system is asymptotically stable and the upper bound of cost function value is not more than a constant
所設計的控制器對于所允許的不確定性和控制器增益的可能變化，能保證閉環系是統漸近穩定的且性能指標上界不超過某個常數。 -
And give exact values of bw ( g ) for four types of graphs. a upper bound of bw ( g ) for every connected simple graph g. the main results are as follows : propsition 2. 2 if n > 6, then bw ( pn ) = 1
在圖弱控制的束縛數中，對樹t給出其b _ w （ t ）的上緊界；另對四類常見圖類g給出b _ w （ g ）的精確值。 -
Abstract : in this paper, the kinematically admissible velocity fields are established by using the metal flow patterns based on the experiments, and the configuration dimensions of billet and the curves of load - stroke in precision forging process for spur gear from solid billet are simulated on computer by upper bound method. the results acquired in the simulation are in good agreement with those obtained in the experiments
文摘:本文利用有實驗根據的變形流動模式建立動可容速度場，利用上限法模擬用實心坯料精鍛直齒圓柱齒輪時坯料的外形尺寸變化和力?行程曲線，所得結果與實驗測定值很一致，可供沖擠精鍛工藝設計參考。 -
A number x is called an almost upper bound of a
數x稱為a的殆上界。 -
Nonlinear plasticity limit analysis upper bound method of gangue hill stability
矸石山穩定性非線性極限分析上限法 -
The necessary condition has been obtained on forming rolling workpiece surface defect by means of upper - bound method and least energy principle
以此為基礎，並藉助于上限原理和最小能量原理，獲得了楔橫軋成形階梯軸時軋件表面缺陷形成的必要條件。
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