短傳速度 的英文怎麼說

中文拼音 [duǎnzhuàn]
短傳速度 英文
short pass sp
  • : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. As a modern design method, computer simulation technology can shorten development cycle, reduce development costs and increase ratio of success in development of a sensorless vector control system. it is an indispensable way

    計算機模擬作為一種現代設計方法,在無感器矢量控制系統開發中可以縮開發周期,降低開發成本,提高應用開發的成功率,是矢量控制系統開發中不可缺少的手段。
  2. To be sure, administrative measures can also be more effective in terms of producing results more quickly

    行政手段的也比較快,能夠在時間內達到預期效果。
  3. The artificial neural net ( ann ) way is universal regard as one of the most effective ways of stlf. in this paper, some research is developed for stlf using ann ways in several parts : the first part is about the arithmetic of ann based on bp model, namely the advanced of traditional bp arithmetic, one alterable step and scale bp arithmetic based on comparability of model and probability of accepting bp arithmetic is used to enhances a lot the convergence rate of learning process of bp network, but also avoid the stagnation problem to some extent. it indicates that the ann ' s efficiency and precision by the way can be ameliorated by the simulation of real data

    神經網路方法在期預測中已經被公認為較有效的方法,本文針對神經網路用於電力系統期負荷預測的幾個方面展開研究工作:第一部分研究一般用於負荷預測的神經網路bp模型的演算法,即對統的bp演算法的改進,將一種基於模式逼近和接受概率的變步長快bp演算法應用到期負荷預測,模擬結果表明該方法有效的改善了bp演算法收斂慢以及容易陷入局部最小點的缺點,從而提高了神經網路用於負荷預測的效率和精
  4. As a result, this design accomplishs the function of circuit, which not only can satisfy the high speed image data transmission of large screen system and improve the performance of circuit, but also increase the flexibility of circuit design. in the design, it is possible to act hardware description language procedure according to the practical application demand, instead of revising hardware design of the circuit, which reduce the design cycle and the cost

    所以,本課題運用可編程邏輯器件來完成電路功能,不僅能夠滿足大屏幕系統高圖像數據輸對的要求,改善了電路性能,而且增加了電路設計的靈活性,設計中可以根據實際應用的需求靈活修改相應硬體描述語言程序,而不需要修改電路硬體設計,縮了設計周期,降低了成本。
  5. Based on the discussions of the conventional and recent methods of short term load forecasting such as time series, multiple regression approaches and artificial intelligence technologies, this paper presents a hybrid short term forecasting model which combines the artificial neural network ( ann ) and genetic algorithm ( ga ). in order to improve the convergence speed and precision of the back - propagation ( bp ), a new improved algorithm - the adapted learning algorithm based on quasi - newton method is given

    本文首先分析比較了電力系統期負荷預測的統方法時間序列法和回歸方法以及最近的專家系統和神經網路技術的優點和不足,然後針對人工神經網路bp演算法的不足對其進行了改進,採用了基於擬牛頓的自適應演算法,它提高了網路學習效率,具有較快的收斂和較高的精。接著提出了改進的遺演算法來改善神經網路的局部收斂性。
  6. In this method, ga is used to optimize connection weights of forward - back neural network until the learning error has tended to stability, then we use sp algorithm with optimized weights to finish short - term load forecasting process

    我們用遺演算法來訓練網路參數,直到誤差趨於一穩定值,然後用優化的權值進行bp演算法,實現期負荷預測,模擬實驗結果表明該方法加快網路學習,並能提高負荷預測精
  7. The number of the hidden layers of mul - tilayer perceptrons ( mlps ) is analyzed, and three - layer perceptrons neural network is adopted ; by analyzing the mechanism of the neural cells in hidden layer, a method for combining genetic algorithm and bp algorithm to optimize the design of the neural networks is presented, and it solves the defects of getting into infinitesimal locally and low convergence efficiently, it can also solve the problem that it can usually obtain nearly global optimization solution within shorter time through using genetic algorithm method lonely ; several examples validate that this algorithm can simplify the neural networks effectively, and it makes the neural networks solve the practical problem of fault diagnosis more effectively

    對多層感知器隱層數進行了分析,確定採用三層感知器神經網路;通過對隱層神經元作用機理的分析,引入了遺演算法與bp演算法相結合以優化設計神經網路的方法,有效地解決了bp演算法收斂慢和易陷入局部極小的弱點,還可以解決單獨利用遺演算法往往只能在時間內尋找到接近全局最優的近優解的問題;通過實例驗證了這種演算法能夠有效地簡化神經網路,使神經網路更加有效地解決實際的故障診斷問題。
  8. Local wars involving high - technology reflect the fundamental characteristics of the information era. electro - optic technology plays an important role in high - tech local wars, high - resolution information acquisition, huge - volume information transmission, super - high - density information storing, very fast information processing and lightweight flat panel displays not only be - nefit command and control, shorten the action period, but may also be applied to control weapon, improve target accutracy and promote intelligent weapons. with the wide use of electro - optic techno - logy in the battlefield, the role of electro - optic countermeasure has become more and more important

    高技術條件下的局部戰爭反映了信息化時代的基本特點.光電子技術在高技術局部戰爭中扮演著十分重要的角色,包括高解析的信息獲取、特大容量的信息輸、超高密的信息存儲、特快的信息處理、輕小省電的平板顯示,不僅使指揮控制更加靈活準確,作戰周期大大縮,而且也直接用於武器控制,提高武器的打擊精和促進武器的智能化、無人化.由於光電子技術在戰場的廣泛使用,光電對抗在戰爭中的作用日益增強
  9. Solving the static correction problems under complex near - surface conditions is a systematic engineering. first, careful field weathering investigation must be done, then we have to take full advantages of refraction first - break information and field weathering investigation information to compute field static correction and large residual static corrections with various refraction first - break statics methods, finally, reflection statics methods are used iteratively to solve the residual statics problems. to solve serious static correction problems in complex near - surface areas of western china, different refraction first - break statics methods are studied in this thesis. the main study contents are as follows : 1 ) the propagation features of refraction for horizontal layered and dip media are studied firstly, it lays a good theoretical foundation for later statics method studies

    本文針對目前西部油氣勘探中迫切需要解決的復雜地表區靜校正技術難題,對初至折射波解決二維和三維長、波長靜校正問題的正反演方法進行了深入的研究和探討,研究內容主要包括( 1 )水平層狀和傾斜界面折射波的播規律,為后續的折射靜校正方法研究奠定理論基礎; ( 2 )二維復雜層狀介質地震折射波正演方法,該方法可適用於折射面起伏不大、低層和折射層變化不大的情況。
  10. The abs ’ mainframe can get train ’ s velocity and acceleration from the velocity sensors, and then accomplishes some certain braking actions in term of them. but velocity sensors are easier damaged because of its special installing position and working environment. the mainframe of abs only can diagnose some simple faults, for example, the short circuit and open circuit

    其中感器是防滑器正常制動的關鍵部件,但是轉感器在工作時安裝位置比較特殊,工作環境惡劣,容易受到腐蝕、碰撞等損傷,而防滑器主機通常僅能對轉感器的路或斷路故障做出診斷,對轉感器發生的其他故障難以識別,這樣就容易在列車運行時引發防滑器誤動作,甚至導致事故發生。
  11. However, the communication part of vehicles managing navigation system is based on gsm - sms which can not offer real - time applications. the bearing of the vehicles managing navigation system ’ s development is using gprs technology that has high speed and inexpensive expenses to change the gsm part

    而且,與gsm消息方式相比,採用gprs技術還具有快、可靠性高的優點,尤其是gprs合理、低廉的數據輸成本,對于車輛監控系統的長期運營具有十分重要的意義。
  12. With its smaller volume, lower price and better anti - jamming, singlechip have been widely applied in modern control system operating scene which have been put in collecting data in order to achieve shop floor control. the pic singlechip which is made by microchip co. in the u. s. a, with its risc architecture, high price verse performance ration, high speed, has been working in low voltage, lower power depletion, higer driving power, lower price otp technology and smaller volume, has been represents a new trend in the microprocessors ; as a transmission media, sms ( short message service ) which is a basic service in the gsm network, with its lower price and high reliability, has become important media in people ’ s daily life and trade communication ; led ’ s panel which has been applied in publishing the news and advertising in the enterprise is a control technic, a photoelectricity technic, communications technic, digital - image processing technic all rolled into one

    單片機以其體積小、價格低、抗干擾性好等特點,在現代控制系統中常用在操作現場進行數據採集,以及實現現場控制。 pic單片機系列是美國microchip公司推出的,採用risc結構的高性價比嵌入式控制器,其高、低電壓工作,低功耗,強大驅動能力,低價otp技術,體積小巧等都體現了單片微控制器工業的新趨勢;作為信息的輸媒體, sms消息服務是gsm網路的一種基本業務,以其低成本、高可靠性的方便快捷通信方式成為人們日常生活和商業交流的重要載體;集控制技術、光電技術、通信技術、數字圖像處理技術於一體的led電子顯示屏為企事業的信息發布和廣告宣提供了廣闊的便利。
  13. The very impatience of the direct ball approach can in some instances make it hard for sides playing the short game to pick up on the pace and necessary rhythm of the game

    在某些情況下,對于那些使用來熟悉和必要的比賽節奏的球隊來說,非常急躁的直球可能讓比賽變得困難。
  14. In the flight experiment of aircraft, the mass data acquisition, storage and transfer is always one important part of system, especially for the measurement of parameters such as temperature and pressure of cockpit. in order to meet these needs, we design this simultaneous data acquisition system with multi - channel and large - capacity, which is based on single chip microprocessor and usb interface. it overcomes some shortcomings of traditional devices such as : big size, short work time, small memory capacity etc. it also has many advantages of high speed, low power dissipation, ease - of - use, ease to expand port, supporting plug - play, low - cost etc, so it will be used very widely

    在飛機的飛行試驗中,海量數據的採集、存儲和輸一直是系統非常重要的一部分,尤其是對飛行員駕駛艙環境控制系統的溫、壓力等參數的測量來說更是如此。本文根據課題實際需要,研製的基於單片機和usb介面的多通道、大容量、便攜式數據採集系統,克服了現有設備體積大、工作時間、存儲容量小等缺點。同時,本系統還具有功耗低、快、使用方便靈活、易於擴展、支持即插即用、成本低廉等一系列優點,具有廣泛的應用前景。
  15. Firstly, a method to estimate the rotor speed, which is based on bp neural network, is introduced in this paper. secondly, the park vector approach is used to monitor and diagnose the inter - turn fault of the stator winding. finally, this paper studies thoroughly a novel approach to detect rotor bar breaking fault, which is based on the perfect combination of the hilbert transform and digital filter

    具體工作如下:採用bp神經網路對異步電動機轉子轉進行無感器估計;對定子繞組匝間路故障,採用派克矢量方法進行監測與診斷;對于轉子斷條故障,詳細介紹了一種新的基於希爾伯特變換與數字濾波的在線監測方法。
  16. The system is compatible with the various different types a / d converters, carry out the functions of the vibration signal sampling, the saving of data file, the timely wave showing, the configuration table edit, the former data return and data analysis etc. the functions of signal analysis include the time field statistics analysis, the time field mutual analyzing, the frequency spectrum analyzing, the relevant analysis, the transmission function analysis, the demodulating analysis, and the short fourier transformation of the time and frequency field etc. experiments verify that the system carry out stably and credibility, various functions is achieved, has precise analyzing results, high calculating speed and high precision, the expected targets have been reached

    該系統可以兼容多種不同型號的數據採集設備,實現了振動信號的採集、數據文件的存儲、波形的實時顯示、組態表編輯、歷史數據回放與數據分析等功能。系統的信號分析功能包括時域統計分析、時域相關分析、頻譜分析、相干分析、遞函數分析、解調分析以及時頻分析中的時傅立葉變換等。經試驗驗證表明,系統運行穩定可靠,各項功能工作正常,數據分析結果準確、運算快、精高,達到了預期設計目的。
  17. This phenomenon makes the circumferential velocity of the driven wheel be slower than the drive wheel ' s decrease the efficiency of the belt drive abrade the belt and shorten its life. so, it is very important for those who design and use it to know and understand qualitatively and quantitatively the phenomenon of elastic slippage

    彈性滑動的存在使從動帶輪上的圓周低於主動帶輪上的圓周,帶動效率降低,帶磨損和工作壽命縮,因此,定性和定量地認識和理解帶動中的彈性滑動現象對于帶動的設計和使用是十分重要的。
  18. Moreover, the identifying and processing software of image is applied for storingextracting object counting the character of object computing errors and so on. at last, the track precision of object can be got. this system not only applies dalsa camera and pc - dig collecting card to ensuring real time of collecting image, but also applies software compiled by vc + + to improving processing speed and flexibility operating convenience

    該系統不僅採用先進的dalsa航空用數字相機和性能優越的pc - dig圖像採集卡,以及低電壓差分信號( lvds )的介面模式,用很低的電壓擺幅來保證在相對較的距離內( 10 - 15m )實現高( 400mbps )數據輸,從而保證了圖像採集的實時性,同時用vc + +編寫的軟體使圖像處理高,靈活性強,操作方便。
  19. In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system

    在實時控制系統的設計中,本文以三相全橋mosfet逆變電路作為實時控制主電路,採用120導通方式結合半橋pwm調制的控制方案,從而有效地避免了橋臂的直通路;本文用單電流感器實現對相電流的檢測,來自位置感器的三相位置信號不僅為逆變電路提供換相信息,而且也用於基於信號周期測量的轉檢測,這樣就省去了感器;系統採用的是、電流雙閉環控制策略,力求構建高性能的稀土永磁無刷直流電動機全數字實時控制系統。
  20. Bluetooth, a short - range wireless technology designed to replace cables, supports speeds of 723 kbps asymmetric and 432 kbps symmetric and can transfer both data and voice

    Bluetooth是用於替換電纜的程無線技術,支持723 kbps (不對稱)和432 kbps (對稱)的,可以輸數據和語音。
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