數模 的英文怎麼說

中文拼音 [shǔ]
數模 英文
d-a digital-analog
  • : 數副詞(屢次) frequently; repeatedly
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  1. As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters

    這款晶元是一款數模混合晶元,包括擬信號處理(含介面塊)和字信號處理兩大塊,完整實現對紅外信號的接收、放大、處理、控制,產生有效字電平驅動繼電器、可控硅等負載,應用於自動燈等多種場合。
  2. Stability of multiplier - addend model and the macro - control policies

    加速數模型的穩定性與宏觀調控政策
  3. Some problems occurred in the compensation management of cadi and the causes are discussed. according to the current situation of the human resource of cadi, the characteristics of engineers working in the cadi and the characteristics of the aircraft design, the distribution schemes focusing on job positions and performance are given, of which a linear programming model is built to resolve the performance compensation at the aim of max - motivation in order to form a suitable model of compensation management and to achieve " double - win " between the employee and the employer

    針對611所人力資源狀況、工程技術人員特點及飛機設計專業工程工作特點,提出以崗位為核心的崗位薪點設計方案和以個人業績為核心的績效分配設計方案,建立了以激勵強度最大化為目標的線性規劃數模,用單純形法求解績效獎酬,以形成一種激勵強度大、內部公平合理、對外具有競爭力的薪酬管理式,即實現員工與組織在此問題上的「雙贏」 。
  4. Traditional energy - momentum pseudotensors revisited with a cosmological constant

    宇宙常數模型中傳統能動量贗張量的修正
  5. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參,對于霜工況下的霜生長建立型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態擬的蒸發器型,為系統擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參和參間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參的變化情況及各入口參對蒸發器動態特性的影響即蒸發器性能對各參變化的敏感性; 4 )編寫翅片管蒸發器動態特性擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態擬。
  6. A d and d a conversion

    數模轉換
  7. The dispersion model, with axial dispersion only was used to describe the liquid flow in the downcomer. the model parameters were fitted by the least - squares method. it was found that the curve of dispersion model fitted the experimental rtd curve well

    本文利用一維軸向擴散型對降液管中液體流動進行了學描述,用時間域最小二乘法擬合了型參型方程所作曲線與rtd曲線吻合較好。
  8. With a mixed digital and analog design example, comparing with the traditional virtual instrument, it indicated that the function of modem virtual emulative instrument is stronger, the usage is close to the practice more, which represents the development direction of virtual instrument

    通過與實際儀器的比較,以及具體數模混合電路的擬分析,說明了現代虛擬擬儀器比傳統虛擬儀器功能上更強大,使用上更貼近實際,是今後虛擬儀器的發展方向。
  9. By taking advantage of computer technology the main parts of the reducer - epicycloid groove, hypocycloid groove, steel ball and output mechanism are shown and emulated. the motion of the drive is also demonstrated. the paper mainly concludes the following works : at first, the meshing efficiency of the drive is studied and analyzed in theory according to the constituted construction and the drive principles

    在對其傳動原理及結構進行分析的基礎上,對該傳動的嚙合效率進行了深入研究,並針對該傳動的整體尺寸進行了參數模糊可靠性優化,進而利用計算機技術,對該傳動的主要零件? ?內、外擺線盤和等速輸出機構進行了三維建擬,演示了該傳動的運動情況。
  10. The intention of this part is to find the insufficiency in management of our commercial bank, espial of state - owned banks, by comparison. it is completed through the calculation of index according to the order of liquidity, security and profitability

    其次,以「三性」原則為序,運用財務指標,指數模型分析我國國有獨資商業銀行與股份制商業銀行的經營狀況,通過比較找出相應的差距和根源。
  11. The key of rsa is the modular exponentiation multiplication of large number, in this thesis, we modify the montgomery algorithm which be used to implement rsa

    Rsa演算法的核心是大數模冪乘運算,本文選用montgomery冪乘演算法來實現ras演算法,對montgomery乘演算法的fpga實現進行了改進。
  12. Realizing fourier series simulated by using matlab

    實現傅立葉級數模
  13. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例,文章考慮了股票的凈值市價比( b p ) ,市盈率倒( e p ) ,流通規( size ) ,流通比例( stru )和財務杠桿( levge )等五個財務指標,應用描述性統計檢驗和橫截面統計檢驗等多種方法,結果表明,除系以外,凈值市價比( b p )和流通規( size )對證券收益率部有重要的影響。在論文的第三章,提出了一個基於多因素的風險因子型,並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系(類似於單指數模型中的系) ,據此,即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  14. In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure

    第二章:簡要介紹大氣負荷研究所需的氣象科學知識、資料及其據處理方法;建立相對濕度表示的大氣比氣體常數模型,利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常的影響;對中國及鄰區的地面氣壓記錄進行了預處理和網格化
  15. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能系、容積系以及凈毛厚度比三個參為依據,通過聚類分析方法進行流動單元劃分,並且按照參特徵將其分為五類,統計各砂層有利流動單元區塊。
  16. Model of urban public transit net impedance function

    城市公交網路阻抗函數模
  17. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成環能取的極值組合起來,自動列方程組,求解每個組合情況下的封閉環尺寸,最後比較這些結果,得出封閉環的最大最小值;第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影,之後再分析各尺寸環投影分量的增減性,並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法,綜合組成環各投影分量的增減性,然後自動列出方程組,最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機擬實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方式分析、計算封閉環尺寸。
  18. The analysis of structural keynes multiplier model

    結構式凱恩斯乘數模型研究
  19. Comparative study between keynesian multiplier model and i - o multiplier model

    投入產出乘數模型與其擴展方法
  20. 192 khzs 24s bit few mold conversion

    192khz 24bit音頻數模轉換器dac
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