有效基寬 的英文怎麼說

中文拼音 [yǒuxiàokuān]
有效基寬 英文
active gage width
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • 有效 : effective; valid; efficacious
  1. Based on basic principles of grillage method, an improved grillage model of wide cantilevers bridge deck is brought forth and its effectiveness is verified after generalizing rules of grillage meshing and sectional characteristic

    於梁格法的本原理,提出了翼緣上部結構分析的改進梁格模型,並總結了梁格單元劃分和截面特性計算的一般方法,最後通過算例驗證了該模型和方法的性。
  2. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以應用於實際復雜多變信源編碼。
  3. By integrating all the latest information and active form gateway technology, the project connected the wireless communicating network, telephone network and internet to realize the alete bonding of information and widening the service scope of application system based on internet, thus the farmer could get the information from internet more delicacy and effectively, which will solve the " the lastly one mile " problem of fruiter information transferring

    摘要本項目綜合運用各種最新的信息技術以及主動式網關技術,將無線通訊網、固定電話網和網際網路絡連接在一起,實現信息的無縫跨接,拓了網際網路絡上應用系統的服務范圍,使得層農戶能夠以靈活方便的形式獲得網際網路絡上的信息,的解決了果樹信息傳遞的「最後一公里問題」 。
  4. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲相控線陣換能器聲場的指向性的礎上,就各個晶片幾何參數對指向性指標(主瓣度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互輻射、檢測區域、精確控制能力、近場長度等方面的影響進行了論述,並在綜合各方面影響的礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。
  5. This article puts forward a solution named divide - assemble by deducing the size of bp neural network to overcome entering the local best point, the dividing process is that a big bp neural network is divided into several small bp neural networks, every small bp neural network can study alone, after all small bp neural networks finish their study, we can assemble all these small bp neural networks into the quondam big bp neural networks ; on the basis of divide - assemble solution, this article discusses the preprocessing of input species and how to deduce the size of bp neural network further to make it easy to overcome entering the local best point ; for the study of every small bp neural network, this article adopts a solution named gdr - ga algorithm, which includes two algorithms. gdr ? a algorithm makes the merits of the two algorithms makeup each other to increase searching speed. finally, this article discusses the processing of atm band - width distribution dynamically

    本文從bp網的結構出發,以減小bp神經網路的規模為手段來克服陷入局部極小點,提出了bp神經網路的拆分組裝方法,即將一個大的bp網機地拆分為幾個小的子bp網,每個子網的權值單獨訓練,訓練好以後,再將每個子網的單元和權值機地組裝成原先的bp網,從理論和實驗上證明了該方法在解決局部極小值這一問題時是的;在拆分組裝方法礎上,本文詳細闡述了輸入樣本的預處理過程,更進一步地減小了bp網路的規模,使子網的學習更加容易了;對于子網的學習,本文採用了最速梯度? ?遺傳混合演算法(即gdr ? ? ga演算法) ,使gdr演算法和ga演算法的優點互為補充,提高了收斂速度;最後本文闡述了用以上方法進行atm帶動態分配的過程。
  6. However, there exist differences, between them, in background, construction standard, manage mood, and inhabitant structure. this makes the supply way of the community public products more complicated than that of commercial community public products. according to the community scope and consumptive characteristics of public products, the definition of community public products, in the thesis, is concluded as public products, which, for the common demands of community inhabitants are commonly and fairly consumed, and include community service, community sanitation, community surroundings, and community medical

    然後,反觀我國城市社區公共產品供需現狀、存在主要問題及其產生的原因,在借鑒國外社區公共產品供給經驗礎上,立足於我國實際國情,提出我國城市社區公共產品供給的途徑在於提高城市社區居民權利意識、加強城市社區自治能力建設、拓城市社區公共產品需求偏好顯示途徑、建立城市社區公共產品合作供給機制、建立城市社區公共產品考核評價體系。
  7. The gigabit - capable passive optical network ( gpon ) will be the most cost - effective method for access network. it is important to provide a stable and effective network management system for gpon

    於無源光網路( pon )的接入技術打破了傳統的點到點解決方法,以其低成本、可靠穩定的性能和提供透明帶的傳送能力成為接入網經濟的解決方案。
  8. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較,模擬研究和實驗結果表明,當反電動勢的平頂度小於107電角時,採用自同步svpwm控制方法可以在不損失轉矩電流比的礎上,更地抑制電磁轉矩脈動。
  9. A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane

    全面地研究了地面腐蝕周期圓孔結構的電磁晶體貼片天線在波頻率處的性能,用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示,本文設計的地面腐蝕型電磁晶體結構抑制了貼片天線中的表面波,增加了天線的帶,並地削弱了旁瓣,使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。
  10. The paper analyzed the status of chinese foreign exchange reserves investment at present, and then put forward suggestions for improving reserves investment returns, such as discriminating investment function from the management ; constructing efficient mechanism ; setting up investment benchmark and limitation, evading and manipulating risks ; optimizing the currency and assets compounding ; expanding invest channel ; absorbing more person with ability in international finance market and perfecting relevant laws etc

    本文分析了我國外匯儲備金投資增值的現狀,從區分管理功能和投資功能,組建高金運營模式;設定投資準和投資限額,控制和規避投資風險;優化外匯儲備的貨幣結構和資產結構,拓投資渠道;加快培養吸納國際金融市場操作人才,完善關法規等幾個方面提出了改進外匯儲備金投資增值的對策。
  11. Therefore this paper proposes the delay equalization algorithm which can both guarantee the qos of high priority traffic and effectively reduce the delay of ubr traffic in broadband satellite network. it is based on the prediction and equalization the delay of vbr or abr traffic so that the saved slots can be allocated to ubr traffic. the approach of dynamic alternation slots between vbr and ubr traffic can improve the mean tdma frame utilization while reducing the delay of ubr traffic

    因此本文在於流量估計的資源調度演算法礎上,提出了一種在帶衛星網路下能夠保證高級別類業務qos ,同時又能夠地降低ubr業務時延的時延均衡( delayequalization )調度演算法,它是於對vbr或abr業務時延的預測,均衡時延的方法,保證vbr或者abr業務qos的同時,將節省的時隙分配給ubr業務。
  12. Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle , 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got

    對雙金屬復合板成型過程進行模擬,從而得到在沖擊載荷和軋輥壓力作用下板和覆板的應力、應變分佈和塑性流動變形規律,復合后的齒形的變形情況與初始齒形形成對比,以動畫的方式模擬成型過程,並分析了不同幾何參數(主要是不同的齒型,其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高齒型) 、材料參數、工藝參數對復合強度的影響,以及不同齒型的變形對比以及齒型對復合情況的影響,提出最優齒型、最優工藝參數,地指導了實驗。
  13. Presented a differentiated approach of the broadband residential ethernet - based access network. analyzed per hop behavior and per domain behavior of ef service based on packet scale rate guarantee theo

    提出了一種帶社區網的區分服務方法,於每跳行為和每域行為確保實時業務服務質量,能夠地確保voip 、電視、 vod和高速網際網路接入的服務質量:
  14. In this paper, an optimization design cad system of detached foundation of transmitting electricity iron tower has been studied. the system uses an easy and efficient method named grid search to find out the minimum cost of an detached foundation. at the same time, the depth and width of foundation, the width of column, the thickness of foundation plan have been ascertained

    本論文研究開發的輸電鐵塔獨立礎優化設計cad系統,以最小費用為目標,採用簡單、、易於編程的約束非線性規劃方法? ?網格搜索法,對輸電鐵塔獨立礎進行優化設計,確定出礎埋深、度、底板度、底板厚度等合理截面尺寸,並開發出計算、出圖一體化的優化設計計算機輔助設計系統。
  15. On the basis of the research on the channel transit capacity of single vessel, and with the combination of previous research methods, a comprehensive assessment model is set up in view of the effective width of the channel ; the passing depth of the channel ; the time taken for passing at high tide. some new viewpoint are developed from the mathematical analysis on the width of the track belt

    針對於單船的航道通過能力的研究,結合以往研究方法,確定了以航道度、航道通航水深及乘潮歷時為考察對象的綜合評定模型,針對將數學方法結合數值模擬對航跡帶度的求解提出了一些新的見解。
  16. Abstract : based on the escape behavior model developed in the previous paper, the case of escape behavior for single person in single room is simulated in this paper to test the practicability of the mode. the escape effects are checked up for three common escape behaviors, the wall - touch moving, random moving, and trend direction moving. this paper gives the calibration of model parameters and assumptions in the simulation model. the result shows that wall - touch moving is the most effective approach for escape in relatively large space. in addition, the major problems of the simulation model and the development possibilities are discussed

    文摘:在我們已建立的避難行為模擬的初步模型的礎上,為了檢驗該模擬模型的實用性,就單人單房避難情況進行了模擬.檢驗了常見的觸墻移動、隨機移動、大方向移動等3種避難行為模式的避難果.文中給出了模擬過程中各種參數的計算和設定方法.模擬結果表明:在較闊的房屋內避難時,觸墻移動是最的避難途徑.在對單人單房避難模擬進行總結的礎上,本文還探討了上述模型中存在的主要問題及其進一步完善的可能性
  17. Measurement - based admission control algorithm for soft real - time application

    業務流的及其於測量的接納控制演算法
  18. By using fractional brownian motion envelope process and additional maximum delay constrain, the algorithm overcomes the shortcoming of those packet - loss - probability based methods which can not guarantee the packet maximum delay

    該演算法採用分形布朗運動包絡過程對自相似業務進行分析,通過增加最大延時約束條件,克服了原先於分組丟失概率的計算方法不能保證業務最大延時要求的不足。
  19. In the third chapter, the graft of tcp / ip in openbsd on psos + and the realization of the internet protocols including pppoe ppp smtp pop3 imap dns dhcp, embedded web server and how to estimate network state used by rtp / rtcp are introduced. in the fourth chapter, firstly h. 261, h. 263 h. 263 + standards and their differences are introduced

    在第三章中闡述了於ip的網路通信協議的實現,主要是openbsd中的tcp ip協議棧在psos +上的移植和pppoe 、 ppp 、 smtp 、 imap 、 pop3 、 dns 、 dhcp協議、嵌入式web服務器的實現,然後介紹如何利用rtp rtcp來檢測網路,其中的網路就是在第六章提出的碼率控制演算法中確定目標幀率的依據之一。
  20. Active gauge width

    有效基寬
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