time current curve 中文意思是什麼
time current curve
解釋
時間-
This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。 -
A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高 -
Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下，首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊，設計了一種對實驗所得數據進行曲線擬合的方法，對三種擬合方法進行了比較，曲線擬合結果表明，多項式擬合方法相對于其它兩種擬合方法效果更好；根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗，並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數；最後通過labview提供的網路功能，實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統，並探討了通過datasocket技術實現該系統網路化的方案。 -
Constrained to technologies, the lead - acid battery mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current, etc. the charging current of these methods cannot match efficiently the acceptance curve of the lead - acid battery proposed by j. a. mas. as a result, some of these methods have a low time efficiency and incompleteness charging. and some of them lead to overcharge and gas - generation, which will result in low - efficiency, time - consuming and prone - to - damage of the charging operation
鉛酸蓄電池由於受到技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規充電模式，這些方法的充電電流未能有效的遵從馬斯所提出的可接受充電電流曲線，因而有的充電方法時間效率低、充電不完全;有的則存在著過充電和析氣等現象，並導致充電過程的低效，耗時和易損。 -
The corrosion potential was the biggest and the corrosion current was the smallest one when the concentration of super - 3900 was 0. 5 % ; the corrosion potential was increased with the addition of mps - dl, but the smallest corrosion current is under 0. 01 % mps - dl. the rust time was the longest one when the concentration of super - 3900 was 0. 5 % as well as mps - dl was 0. 01 %. it was increased as a peak curve with al2o3 concentration in plating solution and ph value increased gradually with cathodic current density ; the corrosion weight
通過測量tafel曲線可知，在super - 3900濃度為0 . 5 % （相對于鍍液的體積百分含量）時獲得的鍍層腐蝕電位最正，腐蝕電流密度最小;隨著鍍液中mps - dl含量的增加，獲得的鍍層的腐蝕電位逐漸正移，在濃度為0 . 01 % （相對于鍍液的體積百分含量）時腐蝕電流密度最小。 -
Lastly, in the terms of controlling the schedule and the cost, we cancelled the previous methods that time was indicated the schedule and that amount of capital invested was calculated the project schedule. we calculated the realistic project schedule by the means of the earned value that we calculated amount of capital required using the working procedure, in the meantime, we applied the analysis of the cost current curve to achieve the cost and the schedule integrated
在進度與費用控制上，改變原來用時間表示項目進度或用完成投資額來計算項目進度的做法，用完成工序（或工作量）相應的計劃資金需求量，稱為掙值（ earnedvalue ） ，來計量項目的實際進度，利用費用流曲線的分析，實現了費用與進度的聯合控制。 -
After analyzing, the author got the basic character of tidal flat hydrodynamic : the time of flooding on bare flat and ebbing is basically the same and the time of flooding on pioneer zone of salt marsh is a little short ; the process curve of current speed on bare flat did not appear peak value on the beginning of flooding and at the end of ebbing but presented double peak, that is, it presented double peak in winter and spring and ebbing peak value disappeared in summer and autumn, salt marsh presented single peak character in a year and the process curve in tidal creek presented double peak ; all current direction on every spot presented gyration current and the current speed changed rapidly during the high water level without obvious slack water period
分析得到了潮灘水動力基本特徵：光灘水位漲潮和落潮時間基本相等，而鹽沼前緣帶水位漲潮時間略短；光灘流速過程線在漲潮初和落潮末出現峰值，呈現「雙峰型」特徵，鹽沼前緣帶則冬、春季節呈現「雙峰型」 ，夏、秋季節落潮峰值消失，鹽沼帶四季呈現單峰特徵，潮溝內過程線為「雙峰型」 ；各測點流向均呈現回轉流特徵，在高水位時流向迅速改變，不存在明顯的憩流。 -
Seek the b ( t ) fieldwork curve and the time derivative curve dbz ( t ) / dt from the voltage decrease data generalized from field current that eliminating noise treated by wavelet ; 3
由經過小波消噪處理過的野外歸一化的電壓衰減數據求出b _ z （ t ）實測曲線和它的時間導數曲線（ -
The hardness and corrosion resistance were evaluated by, the anticorrosion mechanism was also discussed by xps as well. the composited content of particles in coating was high when 0. 5 % super - 3900 was added into al2o3 suspention before plating the composited content increased with the increase of al2o3 concentration in plating solution and the time of stirring before plating and increased as a peak curve with plating temperature, cathodic current density and ph value
超分散劑super - 3900加入量為0 . 5 % ，對al2o3懸浮液分散后加入時，獲得的鍍層復合al2o3含量高，並隨著鍍液中al2o3含量、鍍前攪拌時間增加而增加，鍍層中al2o3含量隨著施鍍溫度、陰極電流密度、 ph值的增加呈先增加后減少的變化。 -
And the author on the first time brings forward the method of determine the angle of zero power in direct current attenuation method by means of curve imitation, which provides a novel method to solve this difficult problem
首次提出了在直接負載法中利用曲線擬合的處理方法來確定零功角狀態的問題，為解決此難點問題提供了一種新的方法。 -
Respectively proceeding with bromine complexing agent of anode, modified membrane and electrolytic additive of cathode, mainly referring to specific power of battery, ratio of self - discharge and zinc dendrite, this paper has studied the influences of different anode additive and modified membrane on specific energy of battery by means of charge and discharge curves, and the influences of electrolytic additive ( nh4 +, op - 10, tx - 10 and dodecyl trimethyl ammonium bromide ) on zinc dendrite by means of current - time curve and microscopic morphology observation
本文分別從正極溴絡合劑、隔膜改性和負極的電解液添加劑入手，以電池的比能量、自放電率以及鋅枝晶生長情況為主要的性能指標，用電池充放電曲線等方法研究不同正極添加劑和隔膜改性對電池比能量的影響；用電流-時間曲線以及微觀形貌觀察等方法研究電解液添加劑（ nh _ 4 ~ + 、 op - 10 、 tx - 10以及十二烷基三甲基溴化銨）對鋅枝晶生長的影響。 -
Modification of the delay time may likewise alter the intensities of current and autocorrelation signals, and then result in autocorrelation curve
調節延遲時間，自相關信號以及電流信號的大小都將隨之而改變，從而得到自相關曲線。
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