計數時間的 的英文怎麼說
中文拼音 [jìshǔshíjiānde]
計數時間的
英文
horary- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 數 : 數副詞(屢次) frequently; repeatedly
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 的 : 4次方是 The fourth power of 2 is direction
- 計數 : count; tally; counting計數卡 numbered card
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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On one hand, numerical derivatives provide proper search directions in optimization, therefore their accuracy is of great importance for fast convergency. on the other hand, derivative evaluation is one of the most time - consuming steps in optimization
當前的高性能數學規劃演算法大都依賴于導數計算以快速收斂到最優點,所以對求導精度的要求比較高;而導數計算所消耗的時間占優化時間的比例又非常的大。A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper. formulae of the restriction and prolongation in mgm computation is deduced, and a 3d program of mgm is accomplished, which can solve the field distributions in electron optical systems for various electrostatic lenses. the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively. comparing these two results in view of computational efficiency and computational accuracy, it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem. this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time
本文將一種高效率的數值計算方法? ?多重網格法引入三維靜電場分佈的計算,多重網格法利用限制和延拓可迅速求得滿足精度要求的場分佈.研究了求解各種靜電透鏡電子光學系統三維場分佈的多重網格法程序,驗算了靜電同心球模型的三維場分佈.通過與目前在場計算中常用的有限差分法進行比較,可以看出多重網格法的計算效率和計算精度優于有限差分法.本文表明利用多重網格法計算三維場大大提高了場分佈的計算效率,縮短了計算時間,因此為后續計算打下了良好的基礎According to the " solid - particle " theoretical model, a theory model of the dynamic burning - velocity of a rocket - portfire in its igniting delay - time cannulation is established, a theory model of the dynamic delay - time is educed. the factors are analyzed, setting position and shape of a igniting delay - time cannulation that affect its igniting delay - time, the theoretical basis is offered to develop the high - level precision rocket - portfire in the air
本文根據「固體粒子」效應理論,建立了點火延期管動態燃速數學模型,導出了點火延期管動態延時控制的理論計算模型,分析了火箭空中點火延期管的安裝位置及其形態對其延期時間的影響,為高精度火箭空中點火具的工程研製提供了理論依據。A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well
液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計,具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序,確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負極活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。According to the principle of mutual transformation between potential energy and kinetic energy, the vertically falling law of power law fluid by the action of unconstant static pressure and the relation between rheological parameter and time were studied, thus providing a theoretical basis for calculating the rheological parameters of fluid in funnel viscometer
根據位能與動能的變化關系,作者研究了在非恆定靜壓作用下冪律流體垂直下落的規律及流變參數與時間的關系,從而為計算漏斗粘度計中流體的流變參數提供了理論依據。Accordingly, using graph theory and operating experience abroad for reference, it firstly brings forward a new method of voltage rectification which based on pilot bus with voltage control area in view of the weak coupling among every vca ( voltage control area ), using decomposing method of multi critical value, it realizes the eliminating vinculum of every vca. and then, the rectification starts by pilot bus voltage of every vca. so the resolution of whole power net is diverted into calculating smaller sub - net
由於各個電壓控制區之間無功電壓的弱耦合性,利用多閥值分解的分區演算法,實現區域間的解耦,然後根據各個子網路的主導節點的電壓進行校正,從而把求解整個網路的問題轉化為求解各個小的子網路,降低了網路維數,減少了無功設備控制動作次數,提高了校正成功率,縮短了計算時間。In this study, lexa mutant of deinococcus radiodurans xe has been successfully constructed. the survival curve of this strain was measured using colony formation assay after treatment with different doses of radiation and different times of mmc
本研究利用已構建的抗輻射菌lexa基因突變體菌株xe ,經受不同劑量射線照射和不同時間的mmc作用,平板菌落計數,繪制存活曲線。Firstly, the thesis explores the price difference between a and b share, and uses the rate of discount of b - share to describe the price difference, we conclude that the rate of discount of b - share declines as time passing, and there is a big drop when b - share market is open to domestic investors ; all the dual - listing companies ’ b - shares are traded at a discount, but the discounted degree of b - share is different among companies
首先,筆者運用雙重上市公司a 、 b股的歷史數據,從時間、范圍、程度三方面對b股折價率進行了統計性描述。結論認為: ( 1 )總體上b股折價率隨著時間的推移不斷降低,尤其是在2001年出現明顯的大幅度下降。Two block time - recursive algorithms are developed for the efficient and fast computation of the 1 - d rdgt coefficients and for the fast reconstruction of the original signal from the coefficients in both the critical sampling case and the oversampling case. the two algorithms are implemented respectively by a unified parallel lattice structure. and the computational complexity analysis and comparison show that the proposed algorithms provide a more efficient and faster method for the computation of the discrete gabor transforms
首先論證了一維rdgt系數求解演算法和由變換系數重建原信號演算法,不論是在臨界抽樣條件下還是在過抽樣條件下,都同樣具有塊時間遞歸特性,並提出了相應的塊時間遞歸演算法及其并行格型結構實現方法,計算機模擬驗證了并行格型結構實現的可行性,計算復雜性分析與比較也說明了rdgt塊時間遞歸演算法的并行格型結構在計算時間方面所具有的高速和高效性能。Time - based profiling, performance counter - based profiling, annotated call graph of kernel space only
基於時間的概要分析、基於性能計數器概要分析、僅關于內核空間的帶注釋的調用圖( annotated call graph , acg )The discussion of main parallel technologies on construction of parallel sliq algorithm is presented in this paper. the computing result of algorithm complexity of sequential and parallel algorithm indicates : when the data set is large enough, as to continuous attributes, the parallel algorithm almost get speedup value equal to the number of processors , while as to categorical attribute the improvement of parallel algorithm is limited
通過對串列和并行演算法時間復雜度的計算表明,當數據集充分大時,由於連續屬性的排序計算操作分散到各個處理機單元上進行,顯著降低了計算時間,從而可以得到近似於處理機個數的加速比,對于離散屬性,本并行演算法對串列演算法的性能提高有限In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector
瞬態時間分辨譜測量方法的主要思想:使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈,經色散后,以二維探測器接收並轉換光信號為電信號,用通用計算機控制採集並處理光譜數據。The main research contents of this dissertation are shown in the following : ( 1 ) introduce one method of use the counting pulse to develop ie measuring system and new method of using the high frequency clock signal to divide the space pulse
本文主要研究內容如下: ( 1 )系統論述了一個脈沖計數方式的ie測量系統的測量原理,闡述了一個採用高頻的時鐘信號細分空間脈沖的新型細分方法。With the gprs wireless data business being widely applied in the areas of banking, lottery, and the oil or gas well monitoring, people set higher demand on the network management system which manages these devices access to the gprs network for wireless data transmission. they require the network management system to ensure the stable and reliable of data transmission by the devices of wireless data transmission, provide the more detail statistic report forms about the online status and online time of all the devices to users
隨著gprs無線數據業務在銀行、彩票、油氣田監控等領域的廣泛應用,人們對管理接入gprs網路的無線數據傳輸設備的網管系統提出了更高的要求:要求網管系統能保證無線數據傳輸設備傳輸數據穩定、可靠以及能夠為用戶提供詳盡的關于設備在線狀態及時間的報表統計功能。In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p
第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析,得到了離散解逼近未知函數u以及伴隨速度p的關于空間和時間的最優階誤差估計。Cosmic ray test was carried out to choose and optimize working parameters of full - length prototype and its data acquisition system, verify the electronics system about dynamic range, drift time measurement search window, charge measurement integral width, work stability and electronics grounding and noise. in experiment, acquired abundant experience with the solution of actual problem and verified their reliability of physical design. this lays the foundations for the successful construction of the besiii drift chamber and electrical system
測試過程中我們調整了電子學的動態范圍、漂移時間和電荷測量參數驗證了電子學系統工作的穩定性、抗干擾能力及噪聲水平等並成功解決了實驗過程中遇到了問題。通過長時間的取數進一步檢驗了全長模型和電子學系統工作穩定性,驗證了全長模型及其數據獲取系統物理設計的可靠性,為漂移室和電子學系統的成功研製奠定了基礎。This thesis suggests a process considered minimizes the population size as similar individuals occur in the fitter members of the population, which helps reduce the execution times for ga by removing the redundancy associated with the saturation effect found in the later generation. this thesis uses a method that adds dynamic penalty terms to the fitness function according to the optimal degree of solutions, so as to create a gradient toward a feasible suboptimal or even optimal solutions. on the basis of the difference of the biggest and the smallest of fitness of individual, modifying the fitness function in order to convergence is a satisfaction
動態調節種群大小,去掉遺傳演算法在迭代後期搜索產生的過多相似個體,達到減少計算時間的目的;按照解的優劣程度給適應度函數增加一個在ga搜索過程中動態改變的可變罰函數,給搜索最優解創造一個梯度,使遺傳演算法收斂到可行的較優解或最優解;根據適應度值最大和最小個體的差修正適應度函數,使適應度函數值適中不容易造成收斂太快、局部收斂或根本不收斂而變成隨機搜索;為了避免「近親繁殖」採用競爭擇優的交叉操作;利用并行遺傳演算法的思想,提出一種自適應多子種群進化策略;提出人口汰新政策來解決類似甚至相同的個體的情況發生。When the ratio of the execution time of point additions to that of point doublings is 3 during computing scalar multiplication, the parallel efficiency of the proposed algorithm could be best, 90 %
當計算標量乘的點加時間是點倍數時間的3倍時,其并行效率最高可達到90 % 。The conventional ways has low efficiency, which result in the application of overlap grid in moving - grid problem, which need re - disposes the interpolating connection in every step in time direction, is very difficult considering the computational efficiency. aim at the above problem in application of overlap grid, this paper using an new manner rooting in analysissitus to put forward a “ method of distinguishing points of intersection ” and develop corresponding computational soft, which could realize the automatic and shape - independent pre - disposal process for overlap grid. to deal with the problem of low efficiency for pre - disposal process in moving - grid, this paper bring forward the “ mosaic ” method and adt method which based on the huge memory of modern computer
對于重疊網格在動網格應用中的計算效率問題,本文通過進一步研究插值信息的高速查詢方法,提出不同於傳統演算法思路,以現代計算機大內存為基礎,用計算機物理內存空間換計算時間的」 mosaic 」方法以及應用基於二叉樹數據結構的adt ( alternatingdigitaltree )方法兩類方法,成功的將原處理時間提高了兩個數量級? ?即將網格規模在百萬量級的重疊網格預處理時間從傳統方法的耗時30 60分鐘提高到幾十秒鐘,從而成功解決了這一問題。In order to pay for six - figure starting salaries, law firms raised billable rates and ratcheted up billable - hours expectations for firm associates
為支付六位數的起始工資,律所提高了費率,也提高了對律師所工作的計費時間的期望。分享友人