步進響應 的英文怎麼說
中文拼音 [bùjìnxiǎngyīng]
步進響應
英文
steresponse-
According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature
本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。This research work on bird striking has a long history and already got plentiful achievemellts in theories and experiments, howevef, still a long way no doubt waits to go for sophisticated research work on it more detailed to apply to airframe engineering quantitatively in combination wth the technical reformation of the birdstrike experimelltal system in our laboratory, this thesis deeply studies and analyses the numerica1 computation and simulation methods to birdstrike dynamic response problem based on finite - elemefit - method ( fem ) numerical emulation and modem large - scale scientfic computation software
本文結合我公司鳥撞實驗體系技術改造項目，應用有限元數值計算模擬技術及現代大型科學計算工具，對鳥體撞擊飛機風擋結構的動力學響應問題進行了系統學習與研究探討，初步掌握了科學計算方法，獲得了計算模擬的實踐經驗，為今後深入應用大型科學計算手段進行撞擊類科學問題的研究以及深入應用於工程實踐奠定了強有力的工作基礎。An initial measurement is carried out and the result shows that the bolometer is still sensitive to the infrared signal even the intensity of the signal source is very weak, if the bolometer is in a proper temperature
初步的測量表明，在最佳工作溫度點附近，器件對信號具有靈敏的響應。這就為器件的進一步測量和製作奠定了基礎，也為熱探測、熱成像等工作的進行提供了可能。So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys
本文利用對摩擦力和地震響應進行付氏級數展開的方法導出了基底具有摩擦隔震系統的地震反應。同時，文中從研究單質點結構的滑動振動慣性力入手，進而對多質點結構體系滑動振動反應進行探討，分別給出了結構滑動隔震的自身穩定條件。最後，本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力模擬模擬分析，進一步證實了基礎滑移隔規律。Any erosion would, of course, tend to be offset by further isostatic response.
當然，任何侵蝕作用都可能趨向于為進一步的均衡響應所補償。Firstly, this part analyzes development features of japanese industrial group, including formation factors, industrial distribution and scale, types of internal structures, development status and problems. secondly, on basis of expiating four typical cases, namely industrial group of toyota auto, kitakyushu industrial group, ic industrial group of kyushu, textile and clothing industrial group of fukui, this part summarizes basic laws of industrial group evolvement and its impacts of regional economy. thirdly, this part makes a theoretical summarization on relation between industrial group and unbalanced development of regional economy in japan, holding the view that industrial group has not only economy growth effects, but also economic structure evolvement effects and social improvement effects
首先，分析了日本產業集群的發展特徵，包括它的主要形成因素、行業分佈及其規模、內部結構類型、發展現狀以及存在的問題;其次，對豐田汽車產業集群、北九州產業集群、九州地區ic產業集群、福井紡織服裝產業集群四個典型案例進行剖析，總結了產業集群發展變化的基本規律及其對所在區域經濟發展的影響;在此基礎上，對日本產業集群與區域經濟非均衡發展的關系進行理論總結，認為產業集群不僅有經濟增長效應，還有經濟結構演進效應和社會進步效應。To improve the precision of the piezoelectric stage further, a scanning close loop system based on the mathematical model is studied and designed. experiments are also desinged to prove the precision of the close loop system. the experimental results demonstrate that the positional error of the system reduces to 0. 1 %, and the close loop system has high dynamic performance and position precision
為進一步提高工作臺的定位精度，本文建立了基於遲滯模型的閉環掃描控制系統，並對系統的定位能力進行了實驗，實驗結果表明，系統最大定位誤差減小至0 . 1 % ，該控制系統兼顧了系統的動態響應和高定位精度。The first facet is to put forward four - step block matching algorithm which can deduce the time of motion estimation and improve the coding efficiency, based on the traditional motion estimation algorithms. the second facet is to propose a new rate control algorithm, that is average - reaction rate control algorithm, based on the rate control of mpeg2. the new rate control algorithm can achieve rapid and efficient adaptive coding
首先在對傳統的運動估計演算法進行研究和改進的基礎上，提出了四步搜索塊匹配的運動估計演算法，減少了運動估計的時間，提高了編碼效率；其次在分析mpeg2比特率控制的基礎上，提出了一種新的比特率控制演算法? ?平均響應比特率控制演算法，該演算法能夠快速有效的實現自適應編碼。Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth
與傳統理論不同，新增長理論和新貿易理論都強調技術進步的作用，因此本文構建了一個三部門的技術外溢效應模型（國內部門、工業製成品出口部門以及初級產品出口部門） ，考察了工業製成品出口和初級產品出口對國內非出口部門不同的技術外溢效應；第四，從更加廣闊的視野就貿易開放度與中國經濟增長問題進行研究，有關貿易開放度如何度量一直是存在較大爭議的問題，本文首先對該類研究文獻進行了較為詳盡的述評，然後運用生產函數方法對所選取的5個貿易開放度度量指標進行了檢驗，結果發現盡管一些已有研究認為外貿依存度無法真實度量一國經濟開放水平，但是本文研究結果表明外貿依存度仍是度量我國貿易開放度的較好指標，進一步採用基於var系統的脈沖響應函數法以及預測誤差方法分解法對貿易開放促進經濟增長的作用進行了動態刻畫。All these are in order to improve the cash operation efficiency of companies, and build the competition of the sales companies. from the structure, firstly it divides the cash flow process into purchase process, inventory process, and sales process, and analyzes the reason for cbpr ( cash business process reengineering ), and then advances the rules and methods of cbpr ( cash business process reengineering ). secondly, it analyzed the disadvantages of the three tradition processes, and points out the reason in process affecting cash turnover efficiency, and then reengineers cash business process in order to echo on the customers quickly and quicken cash flow
從論文結構上，本文分析了分銷企業資金流程再造的原因，並提出了資金流程再造的原則與方法，根據業務流程的概念將資金流程劃分為采購流程、庫存管理流程和銷售流程，並逐一對各傳統流程的弊端進行了剖析，指出了在流程中影響企業資金周轉效率的原因，並結合分銷企業自身的特點，引入供應鏈管理等先進的管理思想，再造企業資金流程，以達到更快地響應顧客，加快資金流轉的目的，同時分析了影響分銷企業的資金流程再造成功的因素，最後本文又根據tcl電器銷售公司的運作模式進一步印證了資金業務流程再造的優勢。Because period narrow band signals are the main part of background noises, this thesis uses hardware description language to design a multi - band finite impulse response filter ( fir ) and downloads the program into filed programmable gate array to eliminate the period narrow - band interferences in the background noises
3 ）在現場環境中，背景干擾主要是周期性的窄帶，本文利用硬體描述語言（ vhdl ）設計了一個多帶fir有限沖擊響應濾波器。應用到可編程邏輯器件中，消除了背景噪聲中的周期性干擾，為信號的進一步處理提供盡可能幹凈的信號。Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation
本文對多柔盤轉子-支承系統的振動現象做了以下初步探索：用質量離散化方法把原轉子系統簡化；採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-支承系統的臨界轉速；用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算系統的不平衡響應；並針對其過臨界轉速時振動較大的現象，提出採用變間隙控制油膜剛度和阻尼，從而使原系統的在特定轉速（臨界轉速）的一段范圍內不平衡響應減小；並從被動控制與主動控制兩方面進行數值模擬，取的了較好的控制效果。Due to its outstanding advantages such as broad sensing - spectrum, high sensitivity and low cost, the theories and applications of bulk acoustic wave sensors have been developed rapidly during past ten years. now, its applications have been extended to the fields of pharmaceutical analysis, biochemistiy, molecular biology, genic engineering, clinic immunology, etc.
近幾十年來壓電體聲波傳感器由於具有響應譜廣、靈敏度高而又價格低廉的特點，在理論和應用方面均有長足的進步，已廣泛地用於藥物分析、生物化學及分子生物學、基因工程、臨床免疫學等領域。Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep
本文以三相反應式步進電機為實例，對細分驅動原理、細分驅動的非線性、變細分調速以及相關影響因素進行系統的研究；實現細分驅動器、調速控制、定位控制和軟硬介面的設計。在此基礎上，本文對細分驅動環形分配器的設計和微步距測量修正進行了創新；提出將pld器件和isp技術引入到細分驅動環形分配器的設計思想和錯位測量和逼近修正法。Experimental study on that 532nm 、 1064nm 、 1319nm 5khz frequency pw laser irradiate the ccd respectively. with the data of experiment, the thresholds of laser power density that induce ccd saturation, crosstalk and irreparability damage were calculated. the phenomenon that 532nm 5khz laser can induce part of ccd functional damage but absolutely damage was found
根據實驗數據計算了532nm 、 1064nm高重頻脈沖激光使ccd出現飽和、串擾以及被破壞的功率密度閾值;實驗發現一定功率密度的高重頻532nm脈沖激光可以使ccd局部損傷而不致整體破壞;實驗進一步證實了1319nm激光不能使可見光ccd產生響應。According to the request of the standard in electric industry in china named " on line check and test rules of analog and digital control system of power station ", every system is tested, and according to technological guides and operation rules, static and dynamic trial are required to be done, the quality of adjust, and response time also adapt to the requirement
機組整套試運以後，各控制系統逐步投入。依據中華人民共和國電力行業標準《火力發電廠模擬量、開關量控制系統在線驗收測試規程》的要求進行測試，並按照技術指標及運行導則要求均做過靜態、動態特性試驗，調節品質、響應時間均符合要求。At last, based on the feature integrating traffic simulation with traffic assignment, the paper compares the link volume by using different traffic assignment models, and analyzes the influence of user equilibrium and system ' s optimal assignments on travel time, travel speed as well as traffic volume on links. further, the paper introduces the study on the influence of traffic composition on road link dynamics and the traffic simulation application in formulating dynamic traffic assignment models
最後利用urbansim模型中交通模擬與交通分配相結合的特點，對比研究不同的交通分配方法在模擬模擬中路段產生的交通量，分析了交通分配中用戶平衡和系統最優原理對路段行駛時間、行駛車速的影響，並進一步研究了交通量構成對路段動態特徵指標的影響，以及利用交通模擬系統嘗試在動態交通分配中進行應用研究。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。For proper land use, we further study the impact of lulc variation on regional climate in sensitive climate field and in mosaic nesting field. we found that there are different the impact of lulc variation on regional climate between in sensitive climate field and in ordinary climate field and the impact of lulc variation on regional climate in sensitive climate field is bigger than the one in ordinary climate field
在該結論的支持下，為了合理地利用土地，進一步研究了植被變化在氣候敏感地區及由綠洲-荒漠嵌套所引起的氣候響應。結果發現，在氣候敏感區植被發生變化和在平常區域植被發生變化所引起的氣候響應是不同的，氣候敏感區的植被變化所引起的氣候響應明顯大於平常區域。Simulation results show that the method is very simple to application and has also a good precision. non - parameter neural network model of the cable - damper system is formatted. based on the damping force and responses for past time steps, responses at the next time step can be predicted accurately with the non - parameter model
3 、應用神經網路技術對參數識別和非參數化建模問題進行了研究，提出一種直接識別結構物理參數的神經網路識別方法，該方法演算法簡單，識別精度高；建立了拉索-阻尼器系統的非參數神經網路模型，該模型根據過去幾個時間步的阻尼力及結構響應能精確預測下一時間步的響應。分享友人