比特滑動 的英文怎麼說

中文拼音 [dòng]
比特滑動 英文
bit slip
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ形容詞1 (光滑; 滑溜) slippery; smooth 2 (油滑; 狡詐) cunning; crafty; slippery Ⅱ動詞(貼著物...
  • 比特 : [計算機] bit (信息量單位)比特波形 bit pattern; 比特差錯率 bit error rate [probability]; 比特緩...
  • 滑動 : slither; slippage; slipping; slide; sliding; run; sliding movement [motion]; glide; slump滑動閘門...
  1. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載性;電網電壓;給定工況而攝是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散模控制時,必須針對速度環(即位置環的控制對象)的參數攝范圍採用「對象參數攝離散模控制器的設計方法」 ,以確保系統在參數攝時的穩定性和快速、無超調、準確定位的優良態品質.為剖析該設計方法的控制效果,本文作了對性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  2. This paper, from three aspects of analogue test, theoretic analysis and examples comparison, analyzed the superimposition mechanism and mutual interference mechanism of two mining activities in the slop rock mass under the influences of simultaneous open - pit and underground mining, thus systematically summing up the sliding rule of slope rock mass and the characteristic of movement status in different areas

    本文從模擬試驗、理論分析和實例對三個方面,分析在地下與露天同期開采影響下,兩種采影響在邊坡巖體內的相互疊加機制和相互擾機理,從而系統地歸納出邊坡巖體的移規律和不同區域的移性態徵。
  3. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼性及阻尼;按結構分層點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  4. The paper analyzes the characteristic of aerodynamics with structure of helicopter propeller blade, dissertrates vortex theory and the theory about gliding air field which produce the power of helicopter propeller blade. at the same time it also deduce the method of computing the induced velocity produced by helicopter propeller blade with vortex theory. at last, an influcence to the spreading of sound is discussed

    並且將兩種定位演算法進行了較,說明了優劣;結合直升機的結構分析了旋翼的空氣性,論述了直升機旋翼產生拉力的流理論和渦流理論,結合渦流理論論述了直升機旋翼流場誘導速度的計算方法,在此基礎上分析了直升機旋翼流場對聲音傳播的影響。
  5. According to composition and structure feature of jinjiang landslide analysis, the author considers it was a enormous landslide with the characters about multi - period ( total four slides ) and overlaying, its mechanism of deformation failure attributed to a representative sliding - bending mode in the consequent slope, the stability calculation indicates that no matter what the whole landslide would not slide, while, as earthquake intensity reaching or exceeding vi, the first - period landslide which lies to the south of huangjiagou in the front slip mass and the fourth - period landslide which lies to the north of caojialiangzi in the back slip mass will slide

    由金江坡的組成及結構徵分析可知,邊坡為一多期次(四次)兼具超覆徵的巨型坡,其變形破壞機制屬順層邊坡中較典型的移?彎曲型。穩定性計算表明,坡整體穩定性較好,僅在遭遇度及其以上地震作用的情況下,堆積體前部靠黃家溝以南的第一期坡及靠後部北側曹家梁子的第四期坡堆積體才會失穩;因素敏感性分析表明,坡穩定性對地震(尤以強震)最為敏感。
  6. The reassigned smoothed pseudo wigner - ville distribution ( rspwvd ) is introduced, which has less interference and higher resolution than other time frequency distributions like wigner - ville, choi - williams etc. it is used to detect the multi - knocking of engine such as cylinder, piston pin, valve, crank bearing, connecting rod bearing and jib knocking. a new fault diagnosis technique based on the rspwvd for the engine multi - knocking problem is proposed. by comparing the bispectrum and bicoherence of the gear vibration signals, it is demonstrated that bispectrum has an advantage over bicoherence for feature extraction of such signals

    第四章首次引入一種重分配方法,得到干擾項少而解析度高的重分配平偽魏格納維爾分佈( rspwvd ) ;對發機曲軸主軸承響、連桿軸承響、活塞銷響、活塞敲缸響、氣門響和挺桿響等常見機械異響故障振信號徵進行了全面地較分析;通過對各種異響故障徵信號的分析研究,提出基於rspwvd的發機多異響故障診斷策略,利用該策略可以準確識別不同的發機異響故障。
  7. The ultra amusing ultra q remote control sweeps clear the vehicle, 1 to 8 proportions, 8 channels entire directions remote control, when advance backlash on the automobile body work lantern festival glitters, is concurrent music, the careful design remote control conforms to the kinesiology, the unique double throwout lever remote control way, on about remote control two throwout levers each control two powers wheels, slightly cause the vehicle the radius of turn to be more nimble, and marches forward when the vehicle simultaneously opens sweeps the plate to sweep clear and to turn fights controls remotely into the reality, sweeps the plate starts when also can send out delightful music, sweeps the plate also to be able control during rotation rocks, behind in the automobile body work theater box puts has continuously may skid and may open the cover the trash can, the trash can also may take out, turns fights may independently control remotely, the handling room vehicle door may start, the remote control is away from in the city surpasses 30 meters, the spacious area may achieve above 50 meters, holds controls nimbly is convenient, the luminous automobile body paint surface, works first - class, the use industry packs the ni - cd battery to take the power supply, may repeatedly charge 300 above time

    超好玩超q的遙控清掃車, 18例, 8通道全方向遙控,前進後退時車身上的工作燈會閃爍,並發出音樂聲,精心設計的遙控器符合人體工學,獨的雙推桿遙控方式,遙控器上的兩個推桿各控制左右兩個力輪,使得車的轉彎半徑更小更靈活,並且在車行進時同時開啟掃盤清掃和翻斗遙控成為現實,掃盤啟時也會發出悅耳的音樂聲,掃盤在轉的同時還會左右晃,車身後部的工作廂內放有一直可並可開啟蓋子的垃圾桶,垃圾桶還可以取出,翻斗可以獨立遙控,操作室車門可開,遙控距離在城市中超過30米,空曠地區更可達到50米以上,操控靈活方便,光亮的車身漆面,做工一流,使用工業包裝ni - cd電池組作為力源,可反復充電300次以上。
  8. The paper proposes that the damage surface adopt curvilinear slip - surface, based on analyzing several normal models of soil pressure, and a new method of calculation soil pressure of brace structure of deep foundation - pit is derivated based on prandtl theory under this assumption. moreover contrasting against computational method of the classics soil pressure, better effect is acquired in the actual application

    本文在對幾種常用的土壓力模型進行分析較的基礎上,提出了採用曲線面作為破壞面,並在此假設下根據普朗爾理論推導出一種計算深基坑支護結構中土壓力的新方法,並與經典土壓力計算方法作了較,在實際應用中也取得了較好的效果。
  9. Third, it puts forward the logarithmic spiral failure surface bishop steep reinforced slope limit equilibrium stability analysis method. this method is used to calculate the engineering living example and compared with the calculations of the engineering living example and compared with the calculations of the swedish circle method and proved applicable

    第三,本文針對加筋陡坡潛在破裂面矢徑隨路堤深度而增加的點,提出用對數螺旋線作面的畢肖普法進行穩定分析,編制了穩定分析程序,並對工程實例進行了分析計算,將計算結果與瑞典圓弧法分析進行較。
  10. In feature extraction step, we apply homogeneity into text detection, and we compare using the gradient, edge extract and homogeneity mapping to enhance corners and texture features, and then use a slip window to get different kinds of texture features as the feature vector, and then after comparing the accuracy result of svm and bp neural network, we choose svm as the classifier

    徵提取步驟中,本文把一致性h應用到文本區域提取領域,使用邊緣空間映射和一致性h空間映射兩種方法得到徵圖像,並較了兩種空間對于文本提取的影響;對得到徵圖像,使用窗口較了提取不同維數的紋理徵作為徵向量的結果。
  11. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    較全面地查閱了關于變結構控制理論的文獻,總結了模變結構控制的發展歷史和點,詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法;系統分析了變結構控制系統抖振產生的機理,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對傳統抑制和消除抖振方法的不足,改進了傳統方法,得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法;針對不確定性線性系統,在變結構控制策略中引入模糊邏輯和自適應理論來消除平面上的抖振,提出了一種自適應模糊積分變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量中非線性不連續部分,採用自適應理論,根據系統不確定性大小在線調整模糊輸出量的隸屬函數,另外,鑒于模糊控制本質上是有靜差的,所以本文選擇了帶積分項的切換函數,由於積分項的存在使系統較正為無靜差系統。
  12. Based on the test results and bearing formula for djcm pile composite ground under rigid foundations, it raises the design formula for the bearing capacity of djcm pile composite ground under flexible foundations. secondly, taking material nonlinear especially the glide between pile and soft soil into account, some tentative analysis and numerical analysis have been done by finite element software - ansys. it summarizes some basic regularity of the pile - soil stress ratio load transferring and variation along depth, deformation characters etc.

    其次,本文還應用大型有限元分析軟體ansys ,考慮水泥粉噴樁復合地基中樁-土材料的非線性性,並別考慮了樁和樁側土之間有相對的實際情況,對柔性基礎下水泥粉噴樁復合地基的力學性狀作了初步的數值模擬分析,總結出柔性基礎下水泥粉噴樁復合地基中樁土應力、荷載沿深度的傳遞性和復合地基的變形性等方面的基本規律。
  13. Then the long time change feature of radiation climate over china is analyzed - the results show that, the radiation climate changes a little before 1950s. from 1950s to 1970s it is increasing, and it reached the apex in the 1970s. later it began to decline, up to the present

    通過總輻射年值的10年平均曲線和累積距平曲線可以得到我國太陽總輻射氣候長期變化的趨勢徵是: 50年代以前,我國的總輻射較平穩,沒有大的變化;在50年代前後,總輻射開始呈現增長的趨勢;在整個的70年代,總輻射達到最高; 70年代末80年代初的時候,總輻射又開始了下降的趨勢。
  14. Abstract : in this paper, first fe simulation algorithms for contact search, contact constraint, and the calculation of contact and friction loads were established based on the analysis for contact friction problem in sheet metal forming. then the fe simulation model for contact friction problem in sheet metal forming was set up. at last, the efficiency & amp; stability of this model was proved to be satisfactory by the comparing numerical example and experiment results of skin stretch forming

    文摘:本文在分析了板料成形過程接觸摩擦問題點的基礎上,提出了接觸搜索、界面約束、法向接觸力以及摩擦力計算等問題的有限元模擬演算法,建立了板料成形過程接觸摩擦問題的有限元模擬模型,最後通過數值算例與飛機蒙皮拉形模擬試驗結果的較,驗證了此模型計算精度及數值穩定性良好。
  15. Due to its inherent design, the parallel slide valve is not subject to thermal binding concerns, resulting in a distinct safety advantage in high temperature service

    這種結構的基本性,決定平行閥門較不會受到熱附著的影響,因此在高溫應用領域具有顯著的安全優勢。
  16. Compared with traditional methods this method demands less condition. if data file can be setup correctly it can search the critical slip curve successfully. as the method in chapter 4, this method also can be used for slope stability analysis and the design of slope

    較傳統方法,本方法對于外界條件基本沒有殊要求,只要能成功的以數據文件的形式刻畫出邊坡的性(幾何性、邊界條件、外界作用)就能夠成功的搜索到最危險面。
  17. In order to prolong the natural life of fracturing pump valve, this article do much basic research work on fracturing pump value. firstly, kinetic characteristics of fracturing pump valve are stated particularly and analysed. through stimulated experiment based on practical working conditions, the wearing disciplinarian and forms of impact particle wear about fracturing pump valve are researched by comparing it with pure impact wear and abrasive wear. furthermore, the wear mechanism of impact particle wear and particle erosion are analysed. in the end, by using the fenite element analyzing tool ansys, the distributing law of stress and strain of fracturing pump valve at the state of closing and during the process of impact are analysed carefully

    詳細闡述和分析了它的運性;根據其實際工況,通過模擬試驗,研究了壓裂泵閥沖擊磨料磨損的磨損規律和磨損形式,並且將其與純沖擊磨損、磨料磨損進行了對;分析了壓裂泵閥的沖擊磨料磨損、沖蝕磨損等磨損機理;藉助ansys有限元分析工具,對泵閥關閉狀態下和沖擊過程中的應力應變分佈規律進行了詳細分析。
  18. A modified synchronization approach by using sliding windows is proposed. the pre - processing for obtaining principal eigenvectors is a smoothing procedure for the dsss signal. the computer simulations show that the approach is more convenience in low snr comparing with other code synchronization methods

    3 、提出了一種改進窗的盲同步方法,該方法利用求主徵向量的過程,對擴頻信號進行平降噪預處理,實現了較低信噪下的碼同步。
  19. The analyse shows : the three - dimension visual terrain model of the landslide body not only embodies totally its terrain characteristic and sectional characteristic, but also can make the ground characteristic analysed and hold on whole ; compared to the deep sliding surface, the shallow sliding surface has the similar whole slope and is more smooth and simple, so it is worse in the stability. and the parts of the deep sliding surface have great difference, it causes the different stability, among them the stability of the midst part is the worst. so the shallow sliding should be controlled importantly, and the controlling scheme should be assigned in the midst part of the deep sliding surface in the controlling design

    分析得出:坡體三維可視化地面模型不僅完全體現了該坡體的地面徵和剖面徵,且能夠從總體上進行分析和把握地面徵;由於淺層面與深層面整體坡度相近,且深層面平坦、簡單,故淺層面穩定性較差,且由於深層面各部分形狀存在較大差別而導致穩定性不同,其中中間部分穩定性最差,故在防治設計時應重點治理淺層且治理方案應布置於深層面的中間部位處。
  20. The following algorithms are proposed : 1. an algorithm of shot segmentation is proposed. firstly, the data in each frame is quantized in hsv model ; then based on histogram of each frame, the difference of adjacent frames, the difference of cumulate frames and the percentage of the frame difference in a defined window are computed ; furthermore, the adaptive average in a window, the adaptive thresholds and sliding windows are obtained

    具體內容為: 1 .在鏡頭分割中,首先將視頻幀數據在hsv顏色空間下進行量化降維,隨后依據直方圖的統計性,計算連續幀差值,累加幀差值及窗口幀差,並以此確定自適應窗口均值、多個態閾值及窗口進行突變鏡頭和漸變境頭分割。
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