計時容差 的英文怎麼說
中文拼音 [jìshíróngchā]
計時容差
英文
timing allowance-
For example : the designer often only pays close attention to the composition in the plan form, and ignore the user " s need, in other words, ignore the character of the residents " behavior and the important social, cultural and psychological influence of the living environment on resident " s life ; there are often strong contrast of firm and magnificent houses with extremely bad public open space environment ; either low volume rate or wasted land resource can always be found ; the doctrinaire cloning leads to the lack of character, distinction and beauty in housing design and construction
例如:設計者往往僅關注平面形式的構圖,而忽視使用者的需要,即忽視居民的生活行為特徵與居住環境中社會文化心理等因素對居民生活的重要影響;小區建設中常有住宅堅固氣派而外部公共空間環境極差的強烈反差;容積率過低、浪費土地資源的現象也時有發生;不加分辨的拿來主義導致社區組團建設缺乏特色、個性和美感等。The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way
藉助虛擬儀器的思想,對測控系統進行了設計:採用光柵尺、光電編碼器測量可動部件的運動量,解析度高、誤差小;採用細分驅動的步進電機裝置,控制性能好;系統實施環境溫度的檢測、補償,提高了檢測精度;基於兩級微機組建測控系統:主機為人機界面,採用windows編程,從機用dos編程,實時性好;軟體設計採用兼容性和移植性好的模塊式結構,便於二次開發。This article introduces briefly the process of design and characteristic of structure of db930 tube and discusses the main problems of technology and technique which was met during the manufacture and the measures having been adopted are emphatically. it discusses the solve measures in following six aspects : the filament current is too large, carbon deposits during the carbonizing of cathode, the capacitance between the first grid and the second grid is too large, transpiring happens inside the tube, the insulation resistance between the electrodes is too lower when the filament is on and the ability of bearing high voltage is too lower
本文簡略地介紹了db930的設計過程及其結構特點,重點論述了在試制過程中遇到的主要工藝技術問題及解決問題的措施,圍繞解決燈絲電流大、陰極碳化時積碳、一柵和二柵之間的電容大、管內蒸散、熱態時極間絕緣低、耐高壓的能力差等六個方面的問題進行了論述。The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器,調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計,包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。To improve the accuracy of node trust evaluation in a distributed network, a trust model based on the experience of individuals is proposed, which establishes a new trust assessment system by introducing the experience factor and the comparative experience factor. the new evaluation system considers the differences between individuals and interactive histories between nodes, which solves the problem that nodes have inaccurate assessments due to the asymmetry of nodes to a certain extent. the algorithm analysis indicates that the new model uses different deviating values of tolerance evaluation for different individuals and uses different updating values embodying node individuation when updating feedback credibility of individuals, which evaluates the trust value more reasonably and more accurately. in addition, the proposed algorithm can be used in various trust models and has a good scalability
為了提高分散式網路中各節點信任評價的準確度,提出了一種基於個體經驗的信任模型.該模型通過引入經驗因子和相對經驗因子的方法,建立了新的信任評價體系.這種新的信任評價體系考慮了個體節點的差異問題,在計算節點的信任值時考慮了節點間的交互歷史,這在一定程度上解決了由於節點的非對稱性而導致的信任評價不準確的問題.演算法分析表明:新模型能夠針對不同的個體節點,採用不同的最大容忍評價偏差,並且對個體節點的反饋可信度進行更新時,採用不同的更新值,體現了節點的個性化特徵,使信任評價更加準確合理.此外,所提出的新演算法能夠運用到多種信任模型中,具有很好的可擴展性Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas
與基本bp演算法相比,本文提出的魯棒自適應bp演算法具有以下優點: ( 1 )與魯棒統計技術相結合,通過訓練樣本相對偏差的大小,確定不同訓練樣本對能量函數的貢獻,來抑制含高噪聲干擾樣本對網路訓練的不良影響,從而增強訓練的魯棒性,提高網路訓練的收斂速度; ( 2 )採用相對偏差和絕對偏差兩種偏差形式對權值進行調整,提高了網路的訓練精度; ( 3 )在採用梯度下降演算法對權值進行調整的基礎上,通過將學習速率設為訓練誤差及誤差梯度的特殊函數,使學習速率依賴于網路訓練時誤差瞬時的變化而自適應的改變,從而可以克服基本bp演算法容易陷入局部極小區域的弊端,使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given
然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述,總結出邊界層厚度與設定風速、實驗段深度的關系,然後給出模型中心區一定風速下校正數值。Up to date, all general protection locks sold on the market use asic or eeprom as the hardware design circuit. due to their simple design and easy - to - crack, they are easy to be cracked, and their circuit design s stability is very bad. thus, it does not only protect your product invalidly, but also damage your product s image and increase the cost of technical maintenance service
目前,一般市面上所銷售的保護鎖產品都是以asic或eeprom為硬體設計線路,由於其設計方法簡單,破解的方法容易,因此破解率極高同時該種線路設計之穩定性亦差,不僅無法有效保護貴公司的產品,同時更可能使貴公司的產品形象受損,並且增加技術維修服務的費用。The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi
得出了以下結論:在8792mpa的載荷下筒體一封頭連接結構處的集中剪切帶貫穿韌帶,可能發生沿與原裂紋線成155 「角方向剪切型斷裂;筒體一封頭連接結構不可能發生韌窩型斷裂; ( 2 )在工作壓力下進行次數不多的反復加、卸載,結構不會破壞,也不會喪失安定性:結構在工作狀態下是安全的; m在本文的彈塑性有限元模擬計算中,對于裂紋尖端進行力學分析時,不考慮壓力容器製造過程中水壓試驗的影響,將導致計算結果出現較大的偏差; ( 4 )筒體完全屈服時的載荷為92石3mpa ,封頭完全屈服時載荷為86Space - time codes can be divided into tree mainly parts : bell layered space - time architecture ( blast ), space - time trellis codes ( sttc ) and space - time block codes ( stbc ). in this paper, we mainly compare the performance of blast and stbc in many aspects, such as design criterion, transmission rate, diversity gain, diversity combining, bit error rate and channel capacity etc. in this paper, we first respectively analysed the instantaneous received symbol energy - to - noise ratio of v _ blast in the diversity combining methods of maximal ratio combining ( mrc ), equal gain combing ( egc ) and selective combing ( sc )
Mimo技術核心是空時編碼( stc ) 。空時編碼主要分為三種:分層空時碼( blast ) 、空時格碼( sttc )和空時塊碼( stbc ) 。本文主要對分層空時碼和空時塊碼這兩種編碼方式在設計準則、傳輸速率、分集增益、接收合併、比特差錯率和通道容量等方面進行了較為詳盡的研究。Although the individual income difference in china has not accessed to the level in the western country, we must know that the difference is based on the state - owned and formed in the less than several years, in the other hand, the long - term average income allot has made us the tolerate ability smaller
我國居民個人收入差距雖然目前還沒有達到某些西方發達國家的水平,但是由於我國出現的這種差距是在生產資料公有制的基礎上,經過幾十年的時間形成的,再加上我國居民在過去計劃經濟體制下形成的平均主義觀念,使得他們對收入差距過大的容忍能力較小。Then i finish the analysis from three aspects, instruction of circuit, stress of surrounding, and tolerance, thus providing basis of design. the following designs are in progress from four aspects, which are circuit design, thermal design, derating using and screening. at last, i make the update generator in batch process, and collect and analyze reliability dates again
首先進行了與可靠性相關的數據收集與分析,對故障模式進行統計;然後從電路結構、環境應力及容差三個方面進行可靠性分析,從而為關鍵的可靠性設計提供了依據;接下來的可靠性設計,從電路設計、熱設計、降額使用、篩選四個方面逐一解決了可靠性分析階段發現的問題;最後,我將改良的發生器批量生產,並從中重新收集了可靠性數據進行計算,事實證明改良后高頻無極燈的平均壽命已達到6萬小時。Therefore, in order to narrow regional gap, boost minority regions development, china, whose market growth is in a premature stage, market mechanism is not perfect, and is in a transitional period of new and old system, must refer to developed countries " successful experiences according to the principle of scientific and reasonable, standard, fair and open, combination of unified system and inclined pol
因此,對於市場發育程度比較低、市場機制不健全,尤其是處于新舊體制轉換時期的中國來說,為縮小地區間的差距,加快民族地區的發展,必須借鑒發達國家的成功經驗,按照科學合理、規范公正透明、統一體制與傾斜照顧相結合以及扶持與激勵相兼容的原則,進行詳細的制度設計,建立規范的對民族地區財政轉移支付制度的基本框架和保障措施,以保證宏觀經濟政策的有效性。After that, the company should institute rules to regulate the grant and the exercise of the option and the delivery of the stock
目標差異導致了股票期權計劃的主要內容? ?股票期權的類型、授予對象、待權時間表、行權方式等諸多方面的不同。The thesis tries to shape a training model of k12 english teachers by surrounding the functional essence of " c " as well as the integration of both ict and english learning & teaching after carefully studying the training models of david eastment and those in uk, usa and in china. with knowing the gap, borrowing the successful experience at home and abroad, the paper brings forward a new theory for k12 english teachers " training and forms a new model which is with " c " as the foundation after practice and pondering. this model can give some practical and operative ways to the ict training of english teachers in our country
本論文研究試圖通過研究英國獨立師資培訓專家davideastment的培訓和英美等國k12語言(英語和外語)教師的培訓,借鑒國際上語言教師培訓的成功案例經驗;同時分析國內中小學英語教師培訓的現狀與趨勢,把握當前國內外前沿的英語教師培訓理論與實踐經驗,了解國內外差距,結合我國中小學英語教學的實際情況,提出etip中小學英語教師培訓思路:即從ict與英語語言教學的共同功能本質「 c 」出發,以「 c 」為核心設計培訓內容和培訓組織方式,提高教師對「 c 」的認識和ict與英語教學結合的能力;通過實踐、反思與總結,形成一種以「 c 」為核心,立足於ict與中小學英語教學內在結合的教師培訓模式,為我國正在開展的英語教師培訓提出一些可操作的方法。In addition some beneficial things should be done in building better study environment, training teachers to change ideas, designing study activities in practice and using flexibly every kind of study method, etc. conbining the meaning and characteristics of research study, the thesis analyzes the theoretical foundation of the research study, and constructs several research study modes whick is widely suitable for use in research study contents which can be proceeded in geography, meanwhile, dialectically analyzes deviation that can be easily found in research study process, puts forward the measures that guarantees that research study can be smoothly carried out, provides the theoretical and practical basis of research study for numerous high school geography teachers who do research study
此外還應該在營造有利的學習環境、培訓教師轉變觀念、從實際出發設計學習活動以及靈活運用各種學習方法等方面多做一些有益的工作。本文結合研究性學習的含義、特徵,分析了研究性學習的理論基礎,並且在地理學科可進行的研究性學習內容中,構建了幾種普遍適用的研究性學習模式,同時對研究性學習過程中易出現的偏差進行了辯證的分析,提出保證順利開展研究性學習實施的措施,為方便廣大中學地理教師開展研究性學習提供了理論與實踐依據。When the silicon technology comes to deep sub - micron level, the interconnect delay exceeds the gate delay ; and because of the increase of 1c work frequency, the allowable errors become smaller, and the influence of the transmission delay gets bigger, which increase the difficulty of the circuit design
在深亞微米製造技術中,晶元互連線延遲超過門延遲,而且隨著集成電路工作頻率的提高,允許的時序容差變小,傳輸延遲的影響加大,設計工作難度增加。Unbiased estimators are not necessarily consistent, but those whose variances shrink to zero as the sample size grows are consistent
無偏估計量未必是一致的,但是那些當樣本容量增大時方差會收縮到零的無偏估計量是一致的。And utilized the compatibility of software saw the optimized products. in order to advance the precision of data processing, practical quantity of flow and turnover duration were adopt to calculate the quantity of water of tilting bucket the experiment of character of tipping bucket in the measure and control system shows that the error between the measurement and calculation, ( < = 0. 01 ) decreased sharply, and the efficiency is promoted greatly
西安理工大學碩士學位論文3 .根據噴頭特性和均勻度等要求,編制了噴頭、供水支管布置優化設計的程序,並利用軟體之間的兼容性,使優化結果可視化;測控系統中的翻斗特性實驗證明,採用實測流量一翻轉歷時來計算翻斗水量,大大降低了測量和計算誤差,誤差必This paper consists of two parts : on the one hand, the numeric method - nfdtd used to analysis this new kind of antenna is introduced. and its numeric error is analyzed. on the other hand, this new kind of antenna is studied and analyzed by nfdtd
論文的主要內容可分為兩個方面:一方面介紹了分析研究這種天線的數值方法? ?非均勻網格時域有限差分法,並對非均勻網格時域有限差分法的計算誤差進行了研究。分享友人