gain function 中文意思是什麼
gain function
解釋
增益函數-
In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on
本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究，通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的統計，在此基礎上，以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據，對已成林的針葉林與闊葉林進行森林生態系統的價值估算，得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元，參照這一生態價值量，把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物，以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。 -
This review is concerned with the studies on the type, synthetic way and reconcilement of plant secondary metabolism, with the emphasis of the development of matabolism in recent years and discussing the connection of it ' s pathway and biological function in detail to form a theoretical base for it ' s exploitation and utilization, and to gain deep insight into secondary metabolism
摘要簡述了植物次生代謝產物的類型、合成途徑及其代謝調節，重點闡述了次生代謝產物在最近幾年的的學科發展，論述了植物的次生代謝途徑與其生物學功能之間的關系，從而加深了人們對次生代謝產物的認識，對其開發利用提供理論依據。 -
Thus, high quality of building, abundant culture connotation of residential block, to provide perfect function will be the major methods for developer to reduce investment risk, gain profit, take advantage in competition
因而，高質量的建造水平、豐富的居住區文化內涵和完善的居住區功能將是開發商在競爭中減少投資風險、獲得利潤、取得優勢的主要手段。 -
In this thesis, we demonstrate the study of si - based light emitting materials and its importance in si - based photonics integration. we discussed mainly the gain, differential gain, threshold current of si - based quantum - dot laser and the dependence of threshold current on temperature from discrete energy level of three - dimension confined quantum - dot and state density distribution of 5 - function
本文闡述了si基光發射材料的研究進展及它在硅基光電子集成中的重要地位，從三維受限量子點的分立能級和函數狀的態密度分佈入手，著重討論了si基量子點激光器的增益、微分增益、閾值電流及閾值電流的溫度特性。 -
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。 -
For all admissible uncertainties and possible controller gain variations, the desgined controller can guaranteed that the closed - loop system is asymptotically stable and the upper bound of cost function value is not more than a constant
所設計的控制器對于所允許的不確定性和控制器增益的可能變化，能保證閉環系是統漸近穩定的且性能指標上界不超過某個常數。 -
The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。 -
In order to gain insights into the physical exercise habit of elementary and middle school students in rural areas in shandong province, the authors investigated the factors that affect the physical exercise habit of elementary and middle school students in rural areas in shandong province, and revealed the following findings : physical education teaching, equipment and facilities as well as management conception with respect to elementary and middle schools in rural areas in shandong province were the important factors that affected the physical exercise habit of the students, among which the sports behavior of the teachers and students played the guiding rule, the factor of the students themselves performed a dominating function, while the coordinating role of the factors of family support and community assistance was not remarkable
摘要為了解山東省農村中小學生體育鍛煉的習慣，對山東省農村部分中小學生體育鍛煉習慣的影響因素進行調查，結果發現山東省農村中小學校體育教學、器材設施和管理理念是影響學生體育鍛煉習慣的重要因素，其中教師與學生的體育行為起導向作用，學生的自身因素佔主導地位，而家庭支持因素和社區協助因素的協調作用不明顯。 -
As you gain more experience, you can take charge of every aspect of both form and function of your reports
隨著您的經驗越來越豐富，您就可以自己設計報表格式和功能的各個方面。 -
The combination of fuzzy control and pid control would achieve fine function. the result of simulation and experiment show that the reformed automatic control system can gain upon higher product quality, less power consumption, less fixing tune and expense, etc
模糊控制器在線實時地調節pid調節器的參數，通過數字pid控制演算法與模糊控制演算法的結合，提高了系統的自適應能力和魯棒性，獲得了較好的控制穩定性。 -
This thesis is a case example the form, first half part introduced the united states california beef the new soldier for characteristics for big king ' s limited company at with ocean fast food in the fierce competition, then by oneself accurate market positioning, integrating our country food profession, practicing specially operating the strategy, making the business enterprise catena the development, most becoming our country fast food industry soldier rising part of textual empress half, from the company gain and loss the factor analysis commence, important function that manage of business enterprise strategy, combined to put great emphasis on to discuss the choice of the market strategied, and related problem, of development etc. of property is in the united states california beef big king ' s limited company, on from now on of the development way of thinking, have to follow of follow the virtuous cycle ' s orbit, and emerge out more the foreground of the organic vitality
本論文為案例形式，前半部分介紹了美國加州牛肉麵大王有限公司在與洋快餐激烈競爭中，以自己準確的市場定位，整合了我國飲食行業的特點，實踐了獨特的經營策略，使企業連鎖發展，最終成為我國快餐業異軍突起的新軍。本文的後半部分，從公司得失因素分析入手，闡述了企業戰略管理的重要作用，並著重論述了市場戰略的選擇，以及產業鏈開發等相關問題，意在美國加州牛肉麵大王有限公司，在今後的發展思路上，有所遵循的步入良性循環的軌道，展現出更加生機活力的前景。 -
Spectral gain narrowing compensation modulation function in high - power ultrashort - pulse laser systems
高功率超短脈沖激光系統中光譜增益窄化補償的調制函數 -
We find that the cosmic scale factor has the form of exponent inflation if the cosmological constant contributes to the positive material density, and the factor is composite function of cosine if the cosmological constant contributes to the negative material, furthermore, we gain the new formality of the pressure and the temperature in the procedure of cosmological evolution
首次發現當宇宙學常數對物質密度的貢獻大於零時有指數復合函數的型得一般暴漲，當宇宙學常數對密度的貢獻小於零時宇宙有餘弦形式的演化。通過對宇宙中壓強和溫度的計算，得到新的壓強表達式和暴漲宇宙模型中溫度隨時間演化的表達式。 -
The high effective moistening elements of ceramide and ha etc. penetrate the depth of pores, reaching cutis layer, activating cells, enabling dry skin to re - gain the function of water and nutrition storage, supplying the skin with enough water and nutrition, in the meantime, forming a biological water - locking film in the surface of skin, stably tenderizing skin with water for 24 hours
好處：神經酰胺、透明質酸（ ha ）等高效保濕成份，透過毛孔深層滲透直達真皮層，活化細胞，促使乾燥肌膚重新獲得儲水儲營養功能，讓肌膚水份充足，養分充足，同時在肌膚表面形成生物鎖水膜，穩定肌膚水嫩達24小時。 -
The closed - loop transfer function matrix of such a system must be singular and an input controls two outputs in the system, so the closed - loop transfer function should be assumed a singular matrix whose elements are the fist - order inertia components, then the controller is designed. the control algorithm of closed - loop gain shaping is applied to the rudder roll damping system ( rrd )
考慮到此系統的閉環傳遞函數陣一定是奇異的，以及具有一個輸入控制兩個輸出的特點，在保證其中一個輸出盡量小而另一個輸出跟蹤輸入的前提下，將閉環傳遞函數陣即補靈敏度函數設為具有一階慣性的奇異陣，設計出控制器。 -
And these papers analyze and study the method ' s application in the i / a series dcs control system in panxian power plants. devised coupling precepts and communicate precepts about graded fuzzy controller in the i / a series dcs. it can gain favorable control effect by annalyzing control function and improve the economy and security of the pulverizing system
本文對分級模糊控制在盤縣電廠200mw機組i / aseriesdcs集散控制系統中的應用進行了分析和研究，設計了分級模糊控制器在i / aseriesdcs上的掛接方案和通訊方案，並通過對控制功能的分析能夠得到良好的控制效果，能夠提高制粉系統運行的經濟性和安全性，有著良好的工程應用前景和價值。 -
Many factors regarding the modifying coefficients of circular and rectangular section are analyzed : ( 1 ) it is theoretically proved that the diffusion coefficient of cl - in concrete is dependent of modifying coefficients ; ( 2 ) through analysis of the results of numerical value calculation, it is discovered that the relation between the modifying coefficients and the thickness of protection layer of concrete is linear, from which the function expression of these two variables is gain ; at the same time, the influence on modifying coefficient of the radius of circular section and the thickness of cl - on the surface of concrete ; based on these, practical calculating method of beginning corrosion time of steel of circular section is set up ; ( 3 ) to rectangular section, the diffusion of cf in concrete is two - dimension diffusion
討論了影響矩形截面以及圓形截面修正系數的因素： （ 1 ）從理論上證明了氯離子在混凝土中的擴散系數與修正系數無關； （ 2 ）通過圓形截面數值計算結果的分析，發現圓形截面修正系數與保護層厚度基本成線性關系，並建立了二者之間的聯系；分析了圓形截面半徑、混凝土表面氯離子濃度對修正系數的影響，從而建立了圓形截面鋼筋初始銹蝕時間的實用計算方法； （ 3 ）在矩形截面氯離子侵蝕下，混凝土處於二維擴散狀態。本文通過計算分析，證明二維擴散的影響區域從邊角開始向中間逐步擴散，並證明了二維擴散影響區域依賴于氯離子擴散系數與氯離子擴散時間的乘積。 -
( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg
Iii .提出了一種動態增益均衡的平坦演算法，這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性，給出新型長周期光纖光柵諧振峰幅度和位置的調節量，使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。 -
Amplitude gain function
振幅增益函數 -
( 2 ) using the method of parameter identification in literature [ 117 - 118 ], selecting gain function : giving the initial value of the parameter observer from the time serial of output variables of the system, the numerical simulation result shows that the parameter observer proposed in this paper can identify the unknown parameters of the system quickly and exactly no matter if the parameters keep invariable or change in some rule, and the identifying speed is faster than the method in [ 117 - 118 ], when the unknown parameters are being identified, vith parameter compensator, it can synchronizes two hyperchaotic systems completely even if some parameters mismatch
（ 2 ）採用文獻[ 117 - 118 ]提出的參數辨識方法，通過選取更一般的增益函數： l _ i （ x _ i ） = kx _ ii = 1 ， 2 ， 3並根據系統輸出變量的時間序列給出參數觀測器的初始值來進行參數辨識，數值模擬結果表明：採用本文的參數觀測器，在系統參數固定或變化的情況下，都可對系統未知參數實現快速高精度辨識，辨識的速度快于文獻[ 117 - 118 ]提出的方法；在辨識參數的同時，結合參數補償器，使兩個參數不匹配的超混沌系統同步。
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