時分雙工模式 的英文怎麼說
中文拼音 [shífēnshuānggōngmóshì]
時分雙工模式
英文
tdd: time division duplex- 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...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 雙 : Ⅰ形容詞1 (兩個) two; twin; both; dual 2 (偶數的) even 3 (加倍的) double; twofold Ⅱ量詞(用...
- 工 : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 時分 : 時分time:黃昏時分 at dusk; at twiligh; cock-shut time
- 模式 : model; mode; pattern; type; schema
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In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy
本文研究了高階精度加權基本無振蕩( weno )格式及其在雙曲守恆律方程中的應用,在此基礎上作了兩個方面的工作:一是針對高頻聲波問題構造出一種基於保色散關系( drp )的weno有限差分格式,並對計算氣動聲學( caa )問題的代表性算例進行了大量數值實驗,比較了該格式捕捉波數的能力;另外,針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題,研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代表性的密度滑移面問題的算例,得到一致高階精度的數值模擬結果。Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created
神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模擬模型。It analyses the principle and methods of waveform reconstruction of the data acquisition module under double a / d parallel time - interleaved real - time sampling mode and random sampling mode. it also illustrates the flow of the monitoring software and the application of fpga technology in this design
主要分析了雙a / d分相數字化實時采樣方式下和等效時間隨機采樣方式下採集模塊的工作原理及波形重建的方法,並簡單介紹了監控軟體流程及fpga在本設計中的應用。Two - segment distributed feedback ( dfb ) semiconductor lasers can achieve tuning with single longitudinal mode in a certain wavelength range ; at the same time, its superiority also includes bistablity and wavelength conversion
其中,兩段式分佈反饋( distributedfeedback , dfb )半導體激光器可以在一定波長范圍內實現單縱模、可調諧工作;同時,它還具有雙穩、波長轉換等功能。The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward
2 、針對計算機控制光學表面成形( ccos )的加工方式、誤差收斂特點,研製了去除函數呈高斯分佈的雙轉子結構研拋模;採用脈沖迭代法、平滑因子傅立葉變換法推導出駐留時間的演算法,求解過程中根據工件面形的特點作了各種形式的簡化;提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型,並推導出相應的計算公式;分析了邊緣效應產生的原因,在加工過程中採用相對壓力因子對去除函數進行修正,可以消除邊緣效應的影響。Many former systems like this is purely according to c / s mode, but this system is base on the combine of c / s and b / s, and the same time, the high speed network technique of today is used, therefore the function of this system is more perfect ; the constructions of each departments of this system about database are discussed ( include mold construction, the table construction of database etc. ), the key techniques of database ( stored process, trigger and the safety technique ), the safety design of database, the safety design of program etc., and the establishing of data warehouse of customer is introduced, and a technique about graph of customer data warehouse ( realized with powerbuilder ) ; the design of network construction is briefly discussed ; the choice of servers is introduced in detail ( include the database server and the the web server )
以往的此類系統大多單純基於c / s模式設計,而本系統是兩種模式的結合,充分利用當今高速發展的網路技術,所以功能更加完善和強大;數據庫技術方面詳細介紹了各分系統的功能模塊設計(包括模塊結構、數據庫表結構設計等) 、后臺數據庫的關鍵技術(存儲過程、觸發器和數據庫的安全技術) 、數據庫安全性設計(採用雙機容錯解決方案) 、程序安全性設計和權限配置等,同時介紹了客戶數據倉庫的建立方案和客戶數據倉庫的一種可視化技術(用pb和sybase的工具來實現) ;簡要介紹了系統的網路結構設計過程;詳細介紹了服務器的選擇和選擇結果(包括數據庫服務器和web服務器) 。At last, the fit technology was applied into the system. 1. base on the characteristics of cpu ( they can change the running state ), and the system is parallel satellite - carried computer system, so divide them into three states : double run mode, single halt mode, power down mode
具體工作如下: 1 、根據cpu的可降頻運行的特點,將其分為三種狀態:雙全速模式,單閑置模式和雙閑置模式,降低功耗效果明顯; 2 、根據系統可脫離i / o設備運行的特點,在系統運行時動態地給i / o設備供電。Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed
由於液壓打樁錘液壓系統是一個復雜的非線性系統,本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程,通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解,在matlab6 . 5中進行液壓系統的動態模擬,獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析,為液壓系統的設計和參數優化提供了有益的借鑒。最後,在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后,採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器,設計出了雙缸雙作用液壓打樁錘的電器控制系統。The paper not only used the sequence diagrams to descript the cooperation of pda and server in communications, but only adopt petri net, a kind of fdt, to built four different models on protocol ' s dynamic actions. we proposed the constrict expressions : 1. finding out and fixing the errors, we validated the protocol with petri net theories
在通用的時序圖描述通信協議動態交互的基礎上,用一種形式化描述技術? ? petri網抽象通信協議的動態行為規范為一種鏈路層半雙工停止-等待協議,從簡單到復雜建立4個不同側重點的petri網模型,分別描述通信協議的不同動態行為:交互,超時,出錯處理。And relying on this, our laboratory proposes a new cladding method. by means of large dynamic explicit fem code ansys / ls - dyna, the numerical simulation was carried out in bimetal forming process. during the simulation of the forming process, the large deformation of the strip should be considered, as well as geometrical and material nonlinear, the contact between the roller and the strip, the contact between two metal sheets and the load. as for these problems, we can use node to surface contact and relative parameters, biso model is introduced, the load is applied as array
本文採用ansys / ls - dyna計算程序為分析工具,對鋸齒形雙金屬復合板成型過程進行計算機數值模擬,在對軋制過程模擬時,針對軋件變形的幾何非線性和材料非線性特點、軋輥與軋件間的接觸、軋件間的接觸以及模型的加載等問題,給出了在ansys / ls - dyna中相應的解決方法:應用nodetosurface接觸方式,設定相應參數,選用雙線性等向硬化模型,載荷作為array施加在剛體質心。Based on the working principle of pulse width modulation ( pwm ) control system for dc motor, the strong and weak points of two conventional pwm control modes ( limited single polar mode and bipolar mode ), when used in electric power steering ( eps ) system are analyzed, and a new pwm control, so called quasi - bipolar control mode is proposed with the correction method of its duly ratio given
摘要針對直流電機脈寬調制控制系統的工作原理,分析了受限單極和雙極脈寬調制控制模式應用於電動助力轉向系統電機驅動時的優缺點,提出了一種「半雙極」控制模式及該模式下占空比的修正方法。These change includes : founding the measuring system of mental bargain so that we can know the mental bargain of staff in time ; selecting the model of salary so that we can meet staff s thirst of interest ; planning the work career of staff so that we can meet their thirst of realizing the value ; founding the double fair system so that we can meet staff s thirst of fairness ; managing the study of themselves so that staff can promote their capacity ; exploiting staff s characters so that they have correct mental bargain only manager realize the importance and effect of mental bargain and pay more attention to building and safeguarding the mental bargain, we can use the mental bargain correctly in human resources management and organization management
心理契約的變革要求我們對人力資源管理系統中某些與心理契約關系密切,同時隨著員工心理契約的變化難以有效發揮作用的部分進行變革,具體可以從以下幾個方面入手:建立心理契約動態追蹤測量制度以及時了解員工心理契約的變化特點;建立薪酬模式動態選擇機制以滿足員工對經濟利益的需求;進行職業生涯設計以滿足員工自我實現的需求;建立雙重公平體制以滿足員工對公平的追求;實行自我管理式學習以滿足員工對能力提高的需求;對員工進行心性開發以引導員工形成正確的心理契約。只有組織的管理者真正認識到心理契約的重要性,認識到心理契約對員工的態度和行為的影響,重視心理契約的建立和維護,才能在人力資源管理甚至整個組織管理中應用好心理契約這一劑良方。分享友人