demand parameter 中文意思是什麼
demand parameter
解釋
需求指標-
The test results show that each parameter of the devices and circuits fulfihle the anticipative demand ; some parameters even exceed the demand
測試結果表明，器件和電路的各項參數均以達到甚至超過了設計指標要求。 -
The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。 -
However, the farther analysis in the paper indicates that the strategy of parameter configuration in current connection pool technique is static state with 1 - order enactment while initializes connection pool without self - optimized adjustment according as the variety of application demand, the operation results of high use frequency database are not cached and users visit the same database independently. the multi - propose connection strategy cannot control the database operation for the same transaction and cannot ensure the acid attribute, etc. in according with the defections mentioned above, the service technique of self - optimized connection pool is presented in this paper and the composing structure for self - optimized connection pool is designed, then, some strategy in dynamic parameters adjustment, transaction management and data cache for connection pool is improved
然而，通過本文的研究分析，現有數據庫連接池技術的參數配置策略是靜態的，連接池初始化時進行一次設定，不能根據應用需求的變化而動態調整;連接池的核心管理機制中，沒有對使用頻率較高的數據庫操作結果進行緩存，多個用戶依然各自獨立地完成相同的數據庫訪問;使用的連接復用策略無法控制屬于同一個事務的多個數據庫操作，不能保證事務的acid屬性等。 -
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 -
In this paper, according to the characters of river ecosystem, the concept of ecohydrological regime is proposed, and the multi - parameter system of the ecological water requirements ( minimum and appropriated ecological water demand, ecological water requirement in flood season ) are established, which are regarded as flow requirement for river health
本文首先從河流生態系統特性入手，提出生態水文季節，構建了多參數生態需水（最小生態需水、適宜生態需水、洪水期生態需水）體系並分析其內涵，組成了能反映河流生態系統健康的流量等級。 -
The speed chain computing of the tread extruding line is not only the representation of highly demand for control harmony, but also one of the most difficult practical control problems. the dissertation adopts a fuzzy pid parameter self - adaptive algorithm to tune the pid parameters on line according to the different demand for pid parameters at different response phases, and it has improved the control effect significantly of speed matching among different drives
論文在聯動線輔線速度鏈整定計算中應用了一種模糊pid參數自整定演算法，根據控制系統在響應的不同階段對p 、 i 、 d三個參數的不同要求在線整定計算pid參數，顯著地改善了聯動線輔線電機速度匹配的實際控制效果。 -
The stress is basing coal - fired boiler inflammation system feature and control demand to design a kind of fuzzy - pi controller on based of genetic algorithm to control it. the controller refers the error and its variety rate as its inputs. and, in order to make the control qualities much better, concerns them as the performance index to optimize the membership function of the fuzzy variables and the pi ' s controller parameter by means of online adjujsting the genetic algorithm, inflammation system steam pressure loop and economic inflammation loop
重點是針對燃煤鍋爐燃燒系統的特點和控制要求，設計了一種基於遺傳演算法的模糊- pi復合控制器對其進行控制，該控制器以偏差、偏差變化率作為輸入量，通過遺傳演算法在線調整模糊控制器的模糊變量隸屬度函數和pi控制器的參數，從而達到優化模糊控制規則和pi控制器參數的目的，實現燃燒系統的蒸汽壓力迴路和經濟燃燒迴路的控制要求。 -
Its purpose is to estimate the parameter of population, offer decision service and meet the social demand
其目的是通過對樣本數據的加工處理，估算調查總體參數，提供決策服務，滿足社會需求。 -
According to the characteristics of temperature control objects in heating medium and cooling system, designs the cascade control system applying the fuzzy control and feed - forward control, solves the problems of lag and variable parameter, and meets the demand of 0. 1 t temperature control precision
針對熱媒和冷卻控制系統溫度控制對象的特性，結合模糊控制和前饋控制設計了串級調節控制系統，在溫度控制中較好地解決了大滯后、變參數的問題，滿足了控溫準確度0 . 1的要求。 -
The history and present situation of electric measuring instrument and features of intelligent meters are introduced in this paper. a brand - new scheme of intelligent electric parameter meter is proposed by the author after combining the features of intelligent meters and practical demand for electric measuring in 300mw generator units. general design, realization of hardware circuit comparison and analysis of errors of different algorisms are discussed in detail
本論文介紹了電測儀表的發展歷史與現狀，以及新興智能儀表的特點；結合智能化儀表特點和300mw發電機組電參數測試的實際需要，首次提出了一種智能型發電機組電參數綜合測試儀的研究方案；詳細敘述了該智能型綜合測試儀的總體設計，硬體電路實現，各種演算法的比較的誤差分析；以及軟體框圖設計，針對影響測量精度的因素進行了分析，並制定了改進措施。 -
Introducing the new parameter - discount rate of the unsold products by the end of renewing process, this paper deals with the problem that how to determine the optimal output of the high - tech products during the renewing process in which the first and second generation products are simultaneously produced under the assumption of stochastic demand
摘要在隨機需求下，對更新換代期的新老兩代高科技產品的生產規模決策進行分析，引入新的參數更新換代期結束時剩餘產品的貼現率，建立了確定新老產品最優生產規模的決策模型，得到了生產規模的最優解方程式，進而對其進行數值分析，求得企業的最大總收益。 -
So the methods of design and computing about limit condition of bearing capacity is still adopted in present criterion. under the precondition of meeting the demand of construction ' s using function, the main content that is researched in this article is how to make the scheme of mixed soil - cement piles composite ground on the safe side economical and reasonable, according to the rule of the design for deformation control the article, which is based on formers " theory and practice, combining with the example of engineering, utilizing the tool of matlab. 5. 0, using optimizing by plural modality method, makes a primary discussion on the design parameter of the scheme for mixed soil - cement piles composite ground, according to the rule of the design for settlement controlment method
在現行規范中仍然採用的是承載力極限狀態設計計算方法。在滿足建築物使用功能要求的前提下，如何按照變形控制設計的原則，使得水泥土攪拌樁復合地基方案更加安全可靠、經濟合理，是本文研究的主要內容。本文在總結前人的理論和實踐成果的基礎上，結合工程實例，利用matlab . 5 . 0工具，採用復形調優法，按沉降控制設計原則，對水泥土攪拌樁復合地基方案設計參數的優化進行了初步的探討，得出了一些有益的結論，對工程實踐具有一定的指導意義。 -
With the development of high - technology, all trades " production and development need electric power which is one of the main energy. so the accuracy of electrical parameter caculation is very important for our country ' s economic development. the normal usage of ac indictor is very important for guaranteeing electricity ' s safety production and accuracy of electrical parameter caculation. now the area of domestic ac indictor has lots of shortcomings such as demanding many people synchronous proceeding, equipment operation complicacy and personnel error etc. so it can not demand the need of modern ac indictor checking
因此電參數計量的準確可靠，對保證我國經濟的發展至關重要。交流儀表的正常使用，對保證發供電的安全生產、電能計量的準確可靠、電參量量值傳遞的準確可靠，發揮著至關重要的作用。目前國內交流指示儀表領域存在需要多人同步進行、校驗設備多、操作復雜、人員誤差大和勞動效率底等諸多缺點，加之電工校驗臺技術等級低，已經無法滿足現代化校驗交流指示儀表的需要。 -
The mass characteristic parameters of hslrfo include mass, mass center, centroid, lateral misalignment of mass center, rotary inertia, dynamic balance, etc. since the lateral misalignment of mass center is the most important mass characteristic parameter, the demand for the measuring precision of this parameter is very stringent
高速遠程飛行物體的質量特性參數有質量、質心、形心、質心橫偏量、轉動慣量、動平衡等內容，其中最重要的是質心橫偏量，因此，在測量中，對質心橫偏量的測量精度有著更高的要求。 -
In the thesis, the knowledge and principle on magnetic particle testing, digital image and image restoration are introduced first. according to demand of the system, the wiener filter restoration based on parameter identification is proposed and analyzed by the matlab experiment, the specification of evaluating effect of image restoration is presented according to out - of - focus radius as well. programming by visual c + + 6. 0, jpeg image files are decoded and converted into bmp files, colorful image is converted into gray image and out - of - focus micro - crack image is restored
本文首先介紹了磁粉探傷、數字圖像及圖像復原的相關知識和基本原理；根據自動磁粉探傷系統應用的要求，給出了一種基於參數辨識wiener濾波圖像復原方法，並進行matlab實驗分析，提出一種基於散焦半徑的復原效果的評判標準；採用vc + + 6 . 0編程，實現jpeg解碼並轉換成bmp文件格式，然後變換為灰度圖像，再對散焦微裂紋圖像進行復原處理。 -
2 after the research for engineering database, combining this system specific engineering database demand, establish the entity - relationship diagram for cutting parameter engineering database and convert the entity - relationship diagram to relation model
2通過對工程數據庫的研究，結合本系統中切削參數工程數據庫要求，建立了切削參數工程數據庫的實體?聯系模型，並將實體?聯系模型轉換為關系模型。 -
In this thesis, the signal express format and characteristic of pulse internal phase modulation and pulse external frequency agile is introduced, and the signal design is processed based on the demand of radar system, the restriction of parameter design and various code format
本文首先介紹了脈內調相脈間跳頻信號的表達形式和特點，並根據雷達系統的需求和參數設計的約束條件以及不同的編碼形式進行了信號的設計。 -
This paper also give the hardware structure chart of 80c196kc single chip by combined with the design demand. on the hand of data fitting, we use the reformative bp neural network to fitting data, and resolve the coupling question of the tested parameter smoothly, the reformative neural network is more effective than normal neural network
在數據擬合方面，採用改進的bp神經網路對數據進行擬合，很好地解決了本課題中所涉及的多個相互耦合的被測參數的解耦問題，同常規bp神經網路數據擬合相比，減小了計算量，節省了檢測系統在檢測過程中的計算時間。 -
Engine operating conditions cold be changed quickly and are very bad sometimes, such as : from suddenly cranking to driving in winter, acceleration to sudden torque demand. in the light of zero emission vehicles, in order to achieve better hot efficiency, maximum power, higher safety and best emission, engine controls become more and more difficult. automotive engines are typical nonlinear, time - delay, time - varying parameter systems
汽車發動機使用環境變化大，使用條件有時非常惡劣，從寒冷的冬天突然啟動進入行駛狀態，行駛過程中的突然加速，急劇的扭矩變化等等，在這樣的條件下，為了使其熱效率、輸出功率、行駛性、安全性和排氣清潔性處于最佳狀態，給汽車發動機的控制帶來了極大的困難，特別是零排放汽車排放標準的提出，對發動機控制提出了更高的要求。 -
According to the demand of the stochastic model of inventory for the single stage, we analyzed modeling methods of multi - stage production / inventory system in hybrid production processes. then we introduced a model of inventory system for multi - stage processes. finally, we introduced an evaluation method for the parameter of the models
為滿足多階段的混合流程生產系統加工成本最小的要求，論文深入研究了生產系統中，多階段加工情況下成品、在制品和原材料的串列結構庫存管理系統整體優化問題，建立了整體庫存量控制模型，得出了整體庫存的最佳訂貨量和最佳訂貨點。
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