離散帶 的英文怎麼說

中文拼音 [sǎndài]
離散帶 英文
divergent belt
  • : 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
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  1. Given a set of raw data the six sigma black belt should be able to identify and compute two statistical measures each for central tendency, dispersion, and shape

    給出一組原始數據, 6西格瑪黑應能識別並計算出兩種統計測量的中心趨向、和形狀。
  2. 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分析,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分析,從而將頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來,充分發揮各自的優點: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演算法獲得分析頻的高解析度頻譜,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,而且大大提高了分析的精度。
  3. 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,給出了可分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分析理論及相應的推論;並用這些結論對典型的限信號進行了分析,證明可分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。
  4. Discrete element numerical simulation of subsidence induced by mining under fragmentized rock - strip

    破碎下采礦引起地表沉陷的元數值模擬
  5. Secondly, based on nurbs curves approximation algorithm, a nurbs surface approximation algorithm on discrete data sets is given. thirdly, a shape - preserving parametric surface interpolation to data set is given

    2基於所給的nurbs曲線的逼近演算法,建立了插值條件的點集的nurbs曲面的逼近演算法。
  6. The nurbs curves and surfaces approximation to constrained data sets is discussed in this dissertation. the major works are as follows : firstly, based on simulated annealing algorithm and least square principle, a nurbs curves approximation algorithm to constrained discrete data sets is presented

    本文討論了約束的點集的nurbs曲線、曲面的逼近問題,主要工作如下: 1基於模擬退火演算法和最小二乘法,給出了插值條件的點集的nurbs曲線逼近的演算法。
  7. The method of compressing bandwidth of fringe function is proposed that basis fringe contains discrete spectrum which is based on human vision for real - time display, we also introduce discusses the spatial light modulators ( slms ) based on display system of digital holography and theory of numerical reconstruction of digital holography

    為了達到實時性要求,在滿足人眼視覺的光信息量基礎上,對寬壓縮的理論問題進行了研究,提出了基於頻譜的寬壓縮演算法,並給出了結果。
  8. To overcome the disadvantages of pseudo - compressibility algorithm, four - order artificial dissipation term is added to the right of the differential equation, and the recommended formula is offered for the choice of the artificial dissipation coefficient

    為了克服人工可壓縮方法可能來的數值振蕩,本文在方程的右端顯式添加四階人工耗項,並就人工耗系數的選取給出了推薦公式。
  9. According to the characteristics of strata, tectonization and magmatism within the research area in the southwest margin of north china paleocontinent, and under the ideological guidance of mobilism and systematology, the geotectonic framework of the area could be divided as follows : ( 1 ) the longshoushan mountains continental margin ; ( 2 ) the hexi corridor back - arc basin ; ( 3 ) the northern qilianshan mountains suture zone ; ( 4 ) the central qilianshan mountains dispersion type island arc terrane ; ( 5 ) the southern qilianshan mountains back - arc basin ; ( 6 ) the qaidam massif

    根據本區地層、構造、巖漿作用特點,在「系統論」 、 「活動論」思想指導下,釐定華北古大陸西南邊緣的構造格局如下:龍首山陸緣、河西走廊弧后盆地、北祁連縫合、中祁連型島弧地體、南祁連弧后盆地、柴達木地塊。
  10. Suppose there exist some special barrier strips. we come up with a new concept - scatter degree, and obtain the existence theorem for the fo - llowing boundary value problem on time scales by using induction principle on time scales

    在存在一些特殊的障礙的前提下,首次引入度的概念,研究了時間尺度上的邊值問題的可解性
  11. Some important problems on the study of volcanic rocks of orogenic belts, which include volcanic magmatism within the plate, volcanic magmatism at constructive plate margins and volcanic magmatism at destructive plate margins, are discussed and reviewed in this paper

    本文對造山火山巖石學研究中的一些生要問題進行了討論和評述,這些問題包括:板塊內部火山巖漿活動、板塊邊界上的火山巖漿活動、會聚板塊邊緣的火山巖漿活動。
  12. Some important problems on the studies of volcanic rocks of orogenic belts, which include the volcanic magmatism within plate, volcanic magmatism at constructive plate margins and volcanic magmatism at destructive plate margins, are discussed and reviewed in this paper

    本文對造山火山巖石學研究中的一些重要問題進行了討論和評述,這些問題包括有:板塊內部火山巖漿活動、板塊邊界上的火山巖漿活動、會聚板塊邊緣的火山巖漿活動。
  13. Several important tectonic events took place in the chinese continent during the early paleozoic, such as the amalgamation of xiyu plate, forming a unified crystalline basement with the cathaysian plate, development of widespread intraplate deformations in southern yangtze plate, and the occurrence of altay - ergun collision zone

    它們與蘇格蘭阿帕拉契亞的加里東事件完全不同,在中國大陸出現了西域板塊完成拼合,華夏板塊構成統結晶基底,南揚子板塊廣泛發育板內褶皺,此時還形成了阿爾泰額爾古納碰撞等重要構造事件,而以中朝和北揚子板塊為代表的其他板塊則主要表現為穩定沉積,地塊運移,並呈狀態。
  14. The most typical persian gulf basin is characterized by the superposition with these zones one after another

    形成了內克拉通、前陸及褶皺、活動大陸邊緣、大陸邊緣和內裂谷等5種盆地類型。
  15. Dual randomized modulation technique is more effective than existing simple random modulation schemes, such as random position modulation or random switching frequency modulation, in dispersing the power spectrum

    與已經存在的任何一種單隨機方案相比,雙隨機調制技術驅諧波能量而使之具有更寬的寬,能更加有效地減少功率變換器系統的譜峰值。
  16. Shipping putting in or leaving a port needs tugboat to tow. because putting in or leaving a port is a stochastic and discrete matter ( shipping " s size, load and the time of putting in or leaving a port are all stochastic ), there is definite difficulty in tugboat ' s marshaling

    在港口,船舶進出港需要拖輪拖引,由於船舶的進出是一個隨機事件(船舶大小、載重噸及進出港時間均是隨機的) ,因此為拖輪船隊的合理配置來一定的難度。
  17. The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    常規變結構控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結構控制中,從而抵消掉系統中的慢變不確定性,利用趨近律法,推出了準滑動模態的存在條件及其寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條件,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態即削弱了抖振
  18. Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    文摘:常規變結構控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結構控制中,從而抵消掉系統中的慢變不確定性,利用趨近律法,推出了準滑動模態的存在條件及其寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條件,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態即削弱了抖振
  19. Chapter 3 investigates the estimation of the domains of attraction of equilibrium points for hopfield neural networks with delays, where hopfield neural networks with discrete and distributed delays are considered. we derive a sufficient condition for an equilibrium point to be locally exponentially stable

    分別針對時間延遲和式時間延遲的hopfield神經網路,得出了平衡點局部指數穩定的充分條件,同時提出了一種指數穩定平衡點的吸引域的估計方法。
  20. In the fourth section, we obtain the laplace transform of the waiting time of the three queues and the mean waiting time of them by using the results of the second section

    第三章考慮的是一個兩個隊輸入的決策時間的非絕對優先的月b d 1系統,這是一個時間的排隊系統。
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