數組運算 的英文怎麼說
中文拼音 [shǔzǔyùnsuàn]
數組運算
英文
array operation- 數 : 數副詞(屢次) frequently; repeatedly
- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 運算 : [數學] operation; arithmetic; operating
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Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。Digital signature operates the born and a series of sign and codes to constitute the electronics password to carry on the signature through a certain password, replace to the writing signature or an official seals, to confirm the body, the data source and integrities of signs, keeping data from burglarize to take, distort and break, thus to attain the purpose of protecting the data
數字簽名是通過某種密碼運算生成一系列符號及代碼組成電子密碼進行簽名,來代替書寫簽名或印章,確認簽名者的身份、數據來源和完整性,防止數據被竊取、篡改和破壞,從而達到保護數據的目的。A rectangular array of elements, arranged in rows and columns, that may be manipulated according to the rules of matrix algebra
由橫排成行、縱排成列的元素組成的一種矩形陣列,可按矩陣代數規則對其進行運算。A string of one or more characters used to separate or organize elements of computer programs or data ; for example, parentheses, blank character, arithmetic operator, if, " begin "
用來分隔或組織計算機程序元素或數據元素的字元或字元串。例如括號、空格符、算術運算符、 if (如果) 、 「 begin等。The dcs of i / a series is regarded as main reference object, and the control is separated from model. and the configuration of control is operatised at administration system, not to be added into model, not to build control sound code also. therefore it realizes on - line adjusting, real - time control and so on. users configurate by filling table. they only define i / o condition, fill certain operation variable, and name logic variable. the software offers a friendly user ' s interface, so personnel can compile and modify the control and logic program, change the value of logic and control variable conveniently, attach themselves to run, debug and control the system, not need to know the programs deeply. so the configuration software offer a flat that control engineers can attend to control loop, not to give their attention to the complicated program
在本課題中,採用填表的方式進行控制組態,用戶只需定義i / o條件、填寫具體的運算變量名即可。本軟體為建模人員提供了一個友好的用戶界面,使建模人員在建模時不必對模塊內部的控制、邏輯程序有很深的了解就可以方便的對其進行編寫和修改,實時改變各邏輯和控制變量在數據庫里的值,參與運行和調試,從而實現對系統的控制。因此,本組態軟體提供的這樣一個平臺,讓控制工程師能集中精力于控制迴路的構成,而不必拘泥於一些具體而煩瑣的程序操作。One special feature of this paper is that it provides fast implementation means for the all kinds of modular exponentiation algorithms, which facilitate the implementation of the rsa public key algorithms. the paper improved the sliding window algorithm by largely reducing the space complexity. meanwhile this paper represents an efficient combined algorithm to improve the processing of encryption and decryption
大數模冪乘運算是實現rsa等公鑰密碼的基本運算,其運行效率決定了rsa公鑰密碼的性能,文章主要研究了各種模冪演算法的快速實現方法,提出運用組合演算法的思想來減少演算法運行時間;並對滑動窗口取冪演算法進行了部分改進,用線性表來存儲預計算數據,從而減少了演算法的復雜度,進一步提高了rsa加/解密的效率,並在試驗測試中得到較為滿意的結果。A processor usually has two sets of general - purpose registers, one optimized for floating - point operations and the other for integer operations
一個處理器通常有兩組通用寄存器,一組優化為用於浮點運算,一組優化為用於整數運算。This article deals with the method to determine the guard digit in the left normatlization of float point number in the analysis and design of computer system, and briefly introduces its application in practice
摘要介紹了在計算機系統分析和設計中,用於浮點數左規格化的警戒位的設置方法,並簡要說明了該類警戒位與用於舍入的警戒位共同組成了運算器中的累加器的實際警戒位字長。Based on many references, a evaluating function is proposed with performance index of hall call waiting time ( hwt ), people number in a car, energy consuming. the statistic approximation algorithm for hwt is introduced, based on the analysis of elevator traffic state, the calculation of traveling distance and stop number is explained in detail in the thesis. according to the characteristics of the elevator, a group of elevator teaching signals are constructed, by which the weight coefficients are trained according to the widrow - hoff rule
本文在借鑒了大量的文獻基礎上,提出以平均等候時間、轎廂人數、能源消耗為性能指標的評價函數;詳細介紹了乘客待梯時間hwt的統計近似演算法;基於對電梯交通狀況的分析,對停層次數和運行距離這兩個重要參數的計算進行了詳盡的介紹;依據電梯運行特性參數,構造一組電梯運行教師信號,並採用神經網路的widrow - hoff學習規則訓練權系數。The detail is clarified as follows : l ) based on the chaotic technology and contemporary encryption approach the paper put forward a new chaotic sequence, which introduced the m - sequence and the method of shrink key - the stream generator. the complexity of the sequence was promoted as the random alteration of the parameters of chaotic mapping, and at the same time, the shrinking key was used to enhance the security further more ; 2 ) the performance of one - way hash function was improved and new hash function construction methods are proposed through a novel hash method based on chaotic mapping and the aes - the rijndael algorithm. the algorithm of hashing messages of arbitrary length into 256 bits hash values was designed
按照這種方法,輸出序列的周期性得以大大提高,理論分析和計算機模擬結果表明,該方法可以產生具有良好統計特性的密鑰流,而且易於軟硬體實現: 2 )實現了一種基於混沌映射和分組密碼rijndael演算法的單向hash函數的構造方法,即使用logistic混沌映射產生混沌二值序列,序列的分組與明文序列分組進行按位異或后,進入rijndael加密模塊,所得的結果再加入到反饋端,參與下一分組輸入的異或運算,迭代結束時的rijndael加密結果即為所求的hash函數值。The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated. due to the non - ideal behavior, nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system. concerning the liquid in the decanter, the stability is checked by tangent plane stability analysis, and the initialization of phase splitting calculation is produced. a good estimate of the phase fration is gotten by successive substitution with newton ' s method, and every component of two phase is gotten by mass equilibrium equation. finally, the solution of this equation is produced with successive substitution calcultion. the naphtali - sandholm method is used to simulation of azeotropic distillation. by virtue of this combined calculation method, the simulation is begun with operational data as basical data. the results of simulation accord with the operating data, which proved that the combined calculation method is credible
該體系具有高度非理想性,氣液相平衡模型採用nrtl - hoc和uniquac - hoc模型,採用切平面判據法對進入分層器中的液相進行液相穩定性測試,提供液液相分離計算的初值,再結合牛頓拉夫森迭代法運算求得相分割系數,根據物料衡算求出各相組成,循環迭代可求得分層各組分數據,共沸精餾模擬計算採用那夫塔列-山德荷姆全變量迭代演算法。The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance
通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,說明實驗和理論較為一致,並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上,對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。Operator can be a simple scalar variable, a property, or an element of an array
運算符左邊的元素可以是簡單的標量變量,也可以是屬性或數組元素。This real - time visualization system is composed of four modules as follows : numerical calculation module ; the module for user interface based on www ; the module for task assignation, control and recording ; virtual reality modeling module
本系統由數值計算模塊; www用戶界面交互模塊;作業運行調度、控制、汜錄模塊;虛擬現實模型生成模塊四個功能模塊組成。Using information process psychological theory to elaborate mathematics problems ; the significant of the settlement of mathematics problems ; expounding the process of resolving mathematics problems consists of psychological activities problems representation selecting algorithm using algorithm and metacognition ; elaborating various psychological activities operation mechanism and function ; then expounding the phenomenon of " applying mechanically examination questions " during the mathematics problems teaching process ; the reason of doing questions wrong, improve the student ' s thinking ability of answering the questions
摘要用信息加工心理學理論闡釋數學問題、數學問題解決的意義;分析數學問題解決過程由心理活動問題表徵、選擇運算元、應用運算元和元認知組成,闡述各心理活動的運行機制與功能;由此提出了對數學問題教學中的「套題型」現象、學生解題錯誤原因、提高學生的解題能力的思考。An area - first design method for multifunctional and reconfigurable large number calculators was brought forward
摘要提出了一種面積優先的多功能、可重組的大數值運算器設計方法。Therefore it comes true the on - line adjusting, real - time control and so on. it sames as real locale. the software of logic protect ( include electric logic ) and control includes some usual algebraic and operation model of thermal control and logic operation of logic protect. it adopts foxboro ' s dcs as a example, so we configuration via filling table, user only define i / o condition, fill certain operation variable, and name logic variable. the software offers a friendly user ' s interface, personnel can compile and modify the control and logic program, change the value of logic and control variable conveniently, attach themselves to run, debug and control the set, not need to know about the inside of the old programs deeply. so the configuration software offer a flat that control engineer can attend to the structure of control loop and logic protect ( include electric logic ), not but to handle complicated program
它以foxboro的dcs控制系統為主要參考模式,採用填表的方式進行控制組態,用戶只需定義i / o條件、填寫具體的運算變量名、邏輯變量名即可。本軟體為建模人員提供了一個友好的用戶界面,使建模人員在建模時不必對模塊內部的控制、邏輯程序有很深的了解就可以方便的對其進行編寫和修改,實時改變各邏輯和控制變量在數據庫里的值,參與運行和調試,從而實現對機組的控制。因此,本組態軟體提供的這樣一個平臺,讓控制工程師能集中精力于控制迴路及邏輯保護(包含電氣邏輯)的構成,而不必拘泥於一些具體而煩瑣的程序操作。Operations that combine an unsigned eight - byte integer and a signed integer require an explicit cast in order to clarify the result format
兼具無符號八位元組整數和有符號整數的運算需要顯式轉換才能使結果格式清楚明了。Expressions are a combination of symbols identifiers, literals, functions, and operators that yields a single data value
表達式是各種符號(標識符、文字、函數和運算符)的組合,它產生一個單一的數據值。In reporting services, a named specification that includes a data source definition, a query definition and optional parameter values, calculated fields, and filtering and collation information as part of a report definition. rdl file
復雜表達式是由運算符連接的一個或多個簡單表達式。 2 .在integration services中,是指文本、常量、函數和運算符的組合,其計算結果為單個數據值。分享友人