起始模數 的英文怎麼說

中文拼音 [qǐshǐmóshǔ]
起始模數 英文
initial modulus
  • 起 : 起Ⅰ動詞1 （站起; 坐起） rise; get up; stand up 2 （取出; 取走） draw out; remove; extract; pull 3...
  • 始 : Ⅰ名詞1 （最初; 起頭） beginning; start 2 （姓氏） a surname Ⅱ動詞（開始） start; begin Ⅲ副詞[書面...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 起始 : origin; origination; parentage; germ; initiation
  • 模數 : [物理學] modulus; module; modulo; mod
  1. From 1999 onwards, additional ecmwf higher resolution gpv products in grib format are obtained via beijing and offenbach. and beginning in 2002, global model products from the us national center for environmental prediction are also retrieved via the internet

    此外，自一九九九年開始亦經由北京及德國奧芬巴赫取得歐洲中期天氣預報中心以grib格式發放的較高解析度數值產品，而二零零二年起更透過網際網路取得美國國家環境預報中心的全球模式產品。
  2. As an application of this fem preprocessing system, the simulation on the welding process of missile ’ s oil box was performed, in which the effects of the welding sequences of four web plates and welds on each web plate are primarily analyzed. the simulation results show that the deformations under varied welding sequences are almost the same. downward deflection deformation is obtained along the weld longitudinal direction in the structure as well as upward deflection deformation along the weld traverse direction

    對于某型號導彈油箱結構焊接過程的數值模擬計算，主要考察了每塊立板上各段焊縫焊接順序的調整、四塊立板之間不同的焊接順序以及焊接起始端的選擇對結構焊后變形的影響規律，模擬結果表明:壁板在各種焊接順序下的整體變形規律基本相似，即焊後壁板沿焊縫縱向發生了向下的撓曲變形，中部向下變形量最大;沿焊縫橫向發生了向上的撓曲變形，壁板兩端部變形量較大，且壁板前端變形大於壁板後端。
  3. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    ）的增大，量子噪聲分別減小和增大；虛光子過程使光場的反聚束效應增強，使光場的壓縮程度明顯加深，並引起了附加的「熵振蕩」 ，這種附加「熵振蕩」的幅度將隨著光場初始平均光子數（ ? ）的增加而增大，隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質，研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。
  4. Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step

    在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后，針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢，設計了一種基於金屬帶式無級自動變速器cvt混合動力汽車動力傳動系統方案，根據該傳動系統方案制定了比較合理的控制策略和工作模式，並針對長安之星6350b設計了發動機功率和起始轉矩、主減速比、電機的額定功率和轉矩、轉矩合成器速比等相關參數，為下一步的電機控制系統模擬實驗打下基礎。
  5. Inversion analysis of measured displacements is used extensively in geotechnical engineering, structural engineering, information construction, and trauma diagnosis, etc. in this dissertation, parameters identification of original geostress and medium physical property in cavern, slope, tunnel and dam are taken as a cut - in point. macroscale inversion analysis of displacements and numerical solutions of inverse problems of mechanics are researched profoundly. scientific theories of multiscale problems are connected with numerical inversion approaches

    本文以地下洞室、邊坡工程、隧道工程與大壩等領域的初始地應力參數和介質物性參數識別為切入點，對宏觀尺度位移反演分析和力學反演問題數值求解方法進行了比較深入的研究，並將多尺度問題科學理論和反演數值方法聯系起來，初步探討了結構性承載材料（如巖石、骨材料等）的多尺度力學模型及其反演方法。
  6. The sensitivity algorithm is a knowledge of research on the affection of parameters varies to system performance. combination with pressing force and infuse time predicted model, by using sensitivity algorithm, the affection of cast temperature, mould temperature and infuse pressure on infuse time is researched deeply, and the affection of cast temperature, infuse time and infuse pressure on the pressing force in the origination stage of extrusion process. the sensitivity analysis has huge instructing significance to the selection of parameters

    靈敏度演算法是分析參數變化對系統性能影響的一種有效工具，所以本文引入靈敏度演算法，結合壓制力和浸滲時間預測模型，深入研究了澆注溫度、模具溫度和浸滲壓力對浸滲時間的影響關系，以及澆注溫度、模具溫度、浸滲時間和浸滲壓力對擠壓過程起始階段壓制力的影響，對于參數的選取，具有一定的指導意義。
  7. Finally, the algorithm model of six modules ( space - calibration, time - calibration, spot - track ' unite, track ' s origination and expiration, the form of tracking - door and association algorithm ) are founded. the effect of some modules to tracking result are studied and their intimated results are gained. the intimation result of centralized - system and distributed - system are compared in the end

    建立了空間校準、時間校準、點跡合併、航跡起始與終結、跟蹤門判斷和互聯演算法六個模塊的演算法模型；通過數字模擬，探討了某些模塊對跟蹤結果的影響並給出相應的模擬結果。
  8. " we ( atv and tvb ) believe that it would be better to have a cautious start than rushing into a decision that we might regret later. as the saying goes, haste makes wastes, " said mr. kwong. " what would most benefit the consumers, competition, investors and hong kong s reputation would not be who started dtt first, but who has the best possible plan to start with, and could maximise the potentials of digital tv in the end

    我們相信，謹慎的開始較匆忙決定而引起將來後悔為佳，所謂欲速不達。況且達者為先，對于消費者、投資者及香港的聲譽而言，最有利的不是誰先開始，而是誰有較佳的計劃開始數碼地面電視，最終能充份發揮數碼電視之潛在力。簡而言之，最為重要的是誰能率先終止模擬制式廣播。
  9. However, the die attach layer delaminated after 500 cycles and pcb cracked in the underfilled samples after long time cycling. c - sam is employed to investigate the delamination in the underfilled samples. highly concentrated stress - strain induced by the cte mismatch between the bga component and the pcb board, coarsened grain and two kinds of intermetallic compounds ( nisn / nisns ) which formed during reflow and thermal cycle and their impact on the reliability of solder joints are discussed in this paper

    充膠樣品粗化尤為嚴重； ? ni - sn金屬間化合物包括兩層：其中，靠近ni焊盤的那層比較平整，同時， eds結果分析表明其化學式近似為nisn ，而靠近焊料的那層呈板條狀，化學式近似為nisn _ 3 ，文獻表明其為亞穩相； ?充膠使得樣品最大應力范圍降了接近一個數量級並降低了dnp的作用，同時，器件失效模式變為晶元粘接層分層； ? c - sam結果表明本論文採用的充膠樣品，晶元粘接層分層起始於500周左右，而經過2700周循環的樣品，分層幾乎擴展到整個界面。
  10. Using an 8 - depth async fifo solves the synchronization and exchange of data be - tween different clock domains. the data transaction protocol comes from the most basic work way of uart. when the master clock is 16. 7mhz, the pcm side and adpcm side clocks both are 2. 38mhz, the results of simulation show that the latency from the start - bit of pcm data inputting uart receiver to the stop - bit of adpcm data outputted uart transmitter is 14. 3 us and the latency from the start - bit of adpcm data inputting uart receiver to the stop - bit of pcm data outputted uart transmitter is 14. 7 us

    在主時鐘為16 . 7mhz ， pcm數據端與adpcm數據端時鐘均為2 . 38mhz時，模擬結果表明從pcm的起始位輸入uart接收器到adpcm終止位輸出uart發送器的最大延遲為14 . 3 s ，從adpcm的起始位輸入uart的接收器到pcm終止位輸出uart發送器的最大延遲為14 . 7 s ，設計時盡可能的使編碼與解碼的時間相差不多，從結果看出基本達到這個要求。
  11. The modification of address constants to compensate for a change in origin of a module, program, or control section

    修改一個模塊、程序或控制節中的地址常數，以補償它們起始地址的改變。
  12. By applying related theory of gas discharge and mathematical statistics, this paper more in - depth and systemic study the influence of the length of air gap, ice state, water conductivity and air pressure on the inception corona and pulse discharge characteristics, included the discharge frequency, discharge amplitude and time interval

    根據試驗結果，用氣體放電和數理統計方法，分析了覆冰水電導率、冰的狀態（乾冰和濕冰） 、空氣間隙長度、氣壓和施加電壓等參數的變化對間隙模型的起始放電電壓、脈沖放電特性、放電頻率、放電幅值和時間間隔等的影響。
  13. Fuzzy mathematics analysis of onb for natural circulation subcooled boiling

    模糊數學在自然循環欠熱沸騰起始點研究中的應用
  14. Chapter 3 concentrates on the important technology of pd radar ' s data processing. this chapter includes the resolution of range and velocity ambiguity and the theory of the start of tracking, the refreshment of tracking, the disappearing of tracking and the single target tracking. in the part of the refreshment of the tracking, the, the theory and realizing of the filtering algorithm and the point ? tracking relating are illustrated

    第三章重點敘述了脈沖多普勒雷達數據處理的關鍵技術，包括數據錄取時距離和速度的解模糊； pd雷達工作在搜索狀態下目標航跡的起始，航跡的更新，航跡的消失，以及目標的編批和最優先級目標的判斷，其中航跡更新中主要講述了跟蹤濾波和點跡?航跡關聯的原理及實現； pd雷達工作在跟蹤狀態下的單目標跟蹤原理。
  15. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。
  16. The relationship between the market clearing price and generation capacity adequacy is represented as a nonlinear function. based on the loads forecasted and the estimated maintenance schedules of generation companies, the market clearing price can be obtained

    模擬了現貨市場電價與系統發電容量充裕度之間的函數關系，依據對其它發電公司檢修起始時間的概率估計和負荷預測結果，求得發電容量充裕度、進而現貨市場的電價。
  17. Automatically created journals produce the same model data and history tree with playback as was originally created during record, assuming the same start state

    假如給同樣的起始狀態，自動創建的日誌象回放，可以產生同樣的模型、數據和歷史樹。
  18. Firstly, this paper describes the mostly track initiation methods for engineering usage. for the sequence track initiation algorithms can ’ t be used under complex circumstance, and batch processing methods ’ computation burden is too large to carry out, a new algorithm based on “ one step delay ” model is presented, which adopts the adapted multiple hypothesis algorithm for data association, in order to be suit for the complex circumstance, multi - stage filtering is added in. simulation results show that the algorithm which is used in this paper is easy for implementation, the ratio of correct track initiation is high, and the foreground of this algorithm ’ s engineering application is better too

    本文首先從工程角度出發，研究了現存的主要航跡起始演算法，針對順序起始方法無法用於復雜環境，批處理方法計算量大不利於實現的缺點，提出了基於一步延時的航跡起始演算法，該演算法採用改進的多假設演算法處理數據關聯，同時採用多重濾波以更好的適應復雜環境，模擬結果表明，本文使用的演算法簡單易於實現、正確航跡起始概率高，有很好的工程應用前景。
  19. The methods of data association and tracking beginning and ending to single and multiple targets tracking in the multi - echo environment is listed. at the end of the thesis, a method is introduced, which is that based on the most closed principle, without the chosen echo, the current forecasting values added yawp based upon the former state values is considered as the target state estimated value. the value is an input of observation equation, the output of the observation equation is considered a chosen echo. and the method is validated in the simulation results

    針對多目標跟蹤問題，首先對多目標跟蹤的原理和跟蹤門的形成方法進行了概述，並對多回波環境下單目標跟蹤和多目標跟蹤的常用的數據關聯方法和跟蹤起始、跟蹤終結方法進行了介紹，在本文的後半部分，對多目標的運動狀態進行了模擬研究，提出了一種目標狀態估計方法，該種方法的思想是當前時刻如果目標跟蹤門內沒有所期望的候選回波，首先計算出目標在前一時刻的運動狀態下對當前時刻的預測值，並將該值疊加上系統噪聲作為量測方程輸入值，然後將觀測值作為候選回波對目標進行狀態估計。
  20. According to the requirement of a certain air - borne tracking system, we primarily finish the development of air - borne tws date processing system by using oriented object programming theory. the tws data processing system includes models such as, auto track initiation, auto track expiry, track maintenance, track initiation by hand, track expiry by hand, and communication i / o etc. the tws data processing system developed and encapsulated as engineering software is tested by radar simulator and practical radar

    根據某型機載對地跟蹤系統的研製要求，利用面向對象的程序設計思想，初步設計研製完成了機載對地tws數據處理系統，包括量測數據預處理，自動目標起始與終結，手動目標起始與終結，跟蹤維持，通訊介面等模塊。
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