時間基準線 的英文怎麼說

中文拼音 [shíjiānzhǔnxiàn]
時間基準線 英文
time reference line
  • : 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...
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 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...
  1. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程的分析,採用序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  2. The proposal of 0 simple present tense not only adheres to the tense - time relation, but also involves sound and sufficient support, it has clear standards for its identification, further classification, and practical significance

    提出「 0一般現在」 ,不僅符合上述分類的索,還有充分的依據、明確的辨別標、進一步細分的路徑和重要的現實意義。
  3. Fully considering the system ' s reliabilty, being real - time, speed and extensibility, it finally chooses the sdh as the system network of cors through deep compration and alalysis of four special data lines supplied by china telecom, so that an effective interconnection among the stations and the workstations in the control - center comes true

    摘要充分考慮系統可靠性、實性、通信速率、可擴充性等因素,通過對中國電信提供的4種數據專服務的綜合分析比較,選擇了同步數字體系作為系統通信網路,實現了控制中心各工作站和各站之的高速互聯。
  4. The principles of erasure codes used under binary erasure channels are summarized and erasure codes which belong to standard classes of rs codes are introduced with emphasis on cascaded low - density erasure codes with linear time encoding and erasure recover algorithms. thresholds of regular degree distributions are analyzed. it is shown that low - density erasure codes based on ( d, 2d ) - regular sequences of degree distribution are not close to optimal ( d 3 ). two pares of irregular degree distribution sequences are introduced and a pare of improved right regular sequences of low - density erasure codes are presented, it is testified that the new sequences are asymptotically quasi - optimal. in the meantime, simulations of cascaded low - density erasure codes based on a few types of special sequences of degree distribution available are given, together with performance analyses on these codes

    闡述了應用於刪除通道下的糾刪碼本原理,介紹了兩類標的rs碼類糾刪碼,重點分析了具有編碼和恢復演算法的漸近好碼?級聯型低密度糾刪碼,分析了正則度分佈的閾值,對正則低密度校驗碼在刪除通道下的糾錯性能進行了模擬,從理論上證明了於( d , 2d ) -正則度序列的低密度糾刪碼都不是漸近最優碼( d 3 ) ,同還分析了非正則低密度校驗碼的度序列設計,於右邊正則序列提出了一種改進型右邊正則序列,證明了此序列為漸近擬最優的,對於幾類現有典型度分佈序列的級聯型低密度糾刪碼進行了模擬模擬及性能分析; 3
  5. And these measure are : first stringing then management of work - effect, reducing the rate of fixed salary, combining prize distribution with the work - effect ; second system of standard work - hour that carried out on workers who work in product ion, technical staff setting up technical key task subject, enlarging risk mortgage on managers, year salary for managers ; third floating salary for worker, establishing special training prize fund, flexible management of work - hour, establishing such encouraging system as worker ' s holiday with salary

    在分配機制上降低固定工資的比重,獎金分配與效益直接掛鉤;第二,在考核制度上,在加大對各部門總體經濟指標的考核力度的同,對職工個人的績效考核力度也逐步加大;第三,在激勵手段上,一職工實行標考核制度,技術人員設立技術攻關課題,加大管理人員風險抵押,經營者試行年薪制,職工崗位工資浮動管理,設立專項培訓獎勵金,作息彈性管理,建立職工帶薪休假制度等具體激勵措施。
  6. As far as time cost and accuracy are concerned, this criterion based on waveform discernment is superior to the traditional one based on the transmission line voltage amplitude sampled after breakers work and has been verified its exactness by dynamic emulation

    所提判據在確性上要優于傳統的於故障后路開關開斷后故障路殘壓幅值的判別法,並經動態模擬驗證了其正確性。
  7. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此礎上研製了多臺儀器在控制高頻采樣動態跟蹤測量系統,采樣率大於5hz ,在跟蹤小於2cm / s低速運動目標,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置的標定和觀測棱鏡偏心差的測定;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量滯及其穩定性進行了測試分析,給出了定量的結果;比較了全站儀和計算機的內部系統,發現兩者存在較大差異。
  8. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對序的模擬,該晶元的應用給整臺儀器提供了,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓電路的設計。
  9. According to the numbers of segmentations, dts has multi scale feature and can reflect different trend similarity of time series under various analyzing frequency. 2 ) an enhanced algorithm, based on dual threshold value, and the conception of sub - series linear are proposed. relative point average error is used to measure the linear degree of sub series, which produced by bottom _ up algorithm

    對應序列性分段數目的不同,序列趨勢距離具有的多尺度分析特性,可以有效反應不同分析頻率下序列的相似程度; 2 )採用相對點平均殘差衡量bottom _ up演算法劃分的子序列性度,提齣子序列性度概念和一種雙誤差閥值改進演算法,大大提高了趨勢序列模型的確性。
  10. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干鐵路軌道譜,採用三角級數法模擬出干鐵路和高速鐵路軌道不平順的樣本函數;根據秦沈客運專高速試驗段軌檢車資料,採用arma序列模型模擬了高速鐵路軌道不平順隨機樣本函數;在既有研究資料的礎上模擬出各種速度客車構架人工蛇行波;用隨機變量描述道床橫向剛度,並進行了隨機模擬;將振動理論和穩定理論結合建立系統的分析模型和運動方程;根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序,進行了無縫路隨機動力響應分析,通過試驗對計算模型、計算方法進行了驗證。
  11. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作( mwture ) 。在研究數據處理方法,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲的影響進行了本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。
  12. On the basis of displacement - time series of the slope, a nonlinear dynamic model is set up according to backus generalized linear inversion theory in this paper. due to the equivalence beween autonomous gradient system and catastrophe model, a standard cusp catastrophe model can be obtained through variable substitution. the method is used in analysis of displacement data of huangci landslide and wolongsi landslide and in understanding how slopes evolve before sliding. the result shows that the nonlinear dynamic model can make satisfactory prediction result. is it most important that there is a sudden fall of d, which indicates the occurrence of catastrophe ( when d = 0 )

    研究表明,滑坡變形失穩過程具有混沌和分維特性,可以用分形理論來研究滑坡預測問題,於對任一連續函數,至少在較小的鄰域內可以用多項式任意逼近的數學理論,運用改進的backus廣義性反演理論,以斜坡位移序列為礎,反演了斜坡演化的非性動力學模型。並利用自治梯度系統與突變模型的等價性,通過變量代換得到標的尖點突變模型。
  13. After we do research on the standard of h. 264 rate control algorithm and rdo algorithm, we do the follow reseach : first, base on the time - space coherence, we proposed a weighted model for linear regression to substitute the standard linear model

    本文在研究了h . 264標碼率控制演算法及率失真優化的礎上,所作工作如下:一.本單元之和空相關性,改進了一種用於性回歸的加權模型,以替代標性模型。
  14. The c5 is used as the basic controller for many standard furnaces. it is very easy to operate and offers one settable heating - up ramp and one holding time

    C5是用於眾多納博熱機標電爐的本控制器.它易於操作,並提供一條可設置的加熱曲和一段保溫
  15. A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method

    該協調恢復策略的三個特點是:在常規的控制器結構中加入一個穩態工作點的非性前饋迴路;在交流故障被切除后的一個短暫內,逆變側採用定交流電壓控制:對不同的直流輸電子系統採取一種漸進的恢復策略。
  16. Mackey - glass ( mg ) chaotic time series is one of benchmark problems in nonlinear time series forecast, which is representative

    Mackey - glass ( mg )混沌序列具有非性特性,是序列預測問題中的問題之一,具有代表性。
  17. The whole - body gamma knife system is a kind of non - invasive medical instrument by using co - 60 as the gamma ray source. according to geometrically focusing theory, the gamma knife system can precisely focus in spirals 30 beams of gamma rays from different directions to a target through a collimator. by the collimator s direction, the predetermined lesion will be under radiation in heavy dose and subsequently be destroyed completely

    體部伽瑪刀是利用能產生伽瑪射的鈷60作為放射源,根據幾何聚焦原理,將30束伽瑪射從不同方向和位置通過直后經一個固定的軸旋轉聚焦到焦點,形成品質優良的劑量區,將腫瘤組織置於該高劑量區中,即可在預定內將病變組織摧毀,體表和焦點以外的正常組織僅受到瞬照射而本上不受損傷。
  18. The optimized feature set feeds a 3 - class classification module, which is based on the traditional binary svm classifier. and the proposed linear programming svm reduces the burden of the svm classifier and improves its learning speed and classification accuracy. a new algorithm that combined svm with k nearest neighbor ( knn ) is presented and it comes into being a new classifier, which can not only improve the accuracy compared to sole svm, but also better solve the problem of selecting the parameter of kernel function for svm

    在研究了數據挖掘、支持向量機及其有關技術的礎上,建立了實現三類水中目標識別的svm方法;採用性規劃svm解決了傳統二次規劃svm在海量樣本情況下導致的和空復雜度問題;提出了將最近鄰分類與支持向量機分類相結合的svm - knn分類器應用於水中目標識別的思想,較好地解決了應用支持向量機分類核函數參數的選擇問題,取得了更高的分類確率。
  19. The time range of this research is from 1840 to 2003, the recent times is about 160 years. according to educational system, curriculum planning, physical education curriculum standard of primary and middle schools issued by chinese governments in recent times, the author makes systemic description and analysis on the course of developing evolvement of physical education curriculum over one hundred years in recent times through the method of document, investigation, historical studying, logical analysis and comparative study. based on it, the historical experience and lesson of physical education curriculum developing evolvement are discussed and summed up, and makes prospect on chinese characteristic physical education curriculum in the future

    本課題研究對象的跨度涉及到從1840年鴉片戰爭到2003年,中國近現代約160餘年的,本課題以近代以來歷屆中國政府頒布的有關普通中小學教育的學制、課程(教學)計劃、體育課程標(體育教學大綱)為主要歷史發展索(研究對象實體) ,在馬克思主義辯正唯物主義和歷史唯物主義理論的指導下,遵循歷史與邏輯的統一、歸納與演繹的統一、經驗與思辨的統一等本研究原則,運用文獻資料法、調查研究法、歷史研究法、邏輯分析法、比較研究法等,討一百多年來我國近現代體育課程的發展演變過程,進行系統的描述和深入的分析,並在此礎上,探討總結我國近現代體育課程發展演變的歷史經驗和教訓,並對未來有中國特色的體育課程做出展望。
  20. The thesis finds out the trend of the urbane land value fluctuation, and presents a reasonable prediction on the land value in three years " time on the base of the fact that the demands on land for different usages have been increasing since 1988 and the analysis of the relevant fluctuation diagrams which come from the basic land value in 13 metropolises and the historical indexes of it in hunan by the combinational ways of average insert and average output. while studying the way of keeping the land value balanced among different regions, the author analysis the basic land prices of 13 cities in a systematic classifying way and labels them with 4 levels according to their own characteristics. at the same time, the land values are measured by relevant index with the consideration about the economic situation in the whole society

    本文在研究湖南省13個設區城市的地價和歷年地價指數的礎上,通過平均插值法與外插法相結合的方法,求出各城市自1988年以來各年度各類用途土地的漲幅,在此礎上擬合出地價趨勢模型,分析對應的變化曲,根據各城市地價的分佈特徵對未來三年內的地價做出預測;本文在研究區域地價平衡,首先採用系統聚類的方法對各城市的地價進行聚類分析,最終將13個城市按照其地價特點分成了4個層次;其次採用相關系數度量各城市地價與其他社會經濟發展變化的相關性。
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