first-order condition 中文意思是什麼
first-order condition
解釋
一階條件-
In order to develop rapidly intelligent houses, the government enact a serial of law and criterion about intelligent houses building. according to present demotic condition, we should first research the intelligent alarm system used to intelligent houses
為加快智能化住宅的發展，我國政府頒布了一系列住宅智能化標準，並根據當前國內狀況，提出了：智能化住宅應首先實現安全防範系統的智能化。 -
Section 3 and section 4 are the main parts of the paper. by employing the directional derivative and generalized gradient in the broad sense, as defined in this paper, the first order necessary condition and the first order sufficient condition of the single - objective non - smooth programming where the objective function is d - regular weak lipschitz function and constrained functions are regular weak lipschitz functions
第三節和第四節是本文的主要章節，以本文定義的廣義方向導數和廣義梯度為分析工具，對目標函數為d正則弱l函數，約束函數為正則弱l函數的單目標非光滑規劃分別給出了一階必要條件和一階充分條件。 -
Under the assumption that the elastic tensor satisfies the strong - ellipticity condition, we reduce the two - dimensional equations of linearly elastic membrane shells to a first order linearly symmetric hyperbolic system
摘要在彈性張量滿足強橢圓性條件的假設下，把2 -維線性動態膜殼方程組化為一階線性對稱雙曲組。 -
Another reflection was of great use to me, and doubtless would be so to any one that should fall into such distress as mine was ; and this was, to compare my present condition with what i at first expected it should be ; nay, with what it would certainly have been, if the good providence of god had not wonderfully order d the ship to be cast up nearer to the shore, where i not only could come at her, but could bring what i got out of her to the shore, for my relief and comfort ; without which, i had wanted for tools to work, weapons for defence, or gun - powder and shot for getting my food
還有一種想法對我也大有好處，而且，這種反省毫無疑問對遇到我這種災難的其他任何人也一定大有用處。那就是拿我目前的情況跟我當初所預料的情況加以比較，或者不如說，跟我必然會遭遇的境況加以比較。上帝神奇地作出了目前這樣的安排，把大船沖近海岸，讓我不僅能靠近它，還能從上面取下所需要的東西搬到岸上，使我獲得救濟和安慰。 -
From the angle of accounting, to guarding against the financial liability risks we should first enlarge the financial liability accounting scope on the existing liability accounting foundation, truly reflect the liability condition of the government, reasonably establish the pay back plans, in order to guard against the financial liability risks
從會計核算的角度來看，防範財政負債風險首先應在現有負債核算基礎上，擴大財政負債核算范圍，真實地反映政府的負債狀況，合理地制定償還計劃，以防範財政負債風險。 -
In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa
本文設計出三種樣品預構件，研究脈沖大電流加熱條件下片狀材料、線狀材料和球形顆粒之間的原子擴散過程，弄清脈沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別，以證實特殊的電場和磁場是否對原子的擴散有推動作用，揭示脈沖大電流加熱條件下原子的擴散過程，探索脈沖大電流熱加工技術快速高效的原因。 -
The reasons and mechanism of how the feature information quality influences the bit performance are analyzed systematically. in order to analyze how the feature level influence the bit performance, the factors that induce the feature information quality are analyzed first, and the mechanisms of feature level influencing fa are investigated. the quantitative analysis and simulation results show feature irrelevancy to fault condition, feature redundancy and feature unmatched to fault classifier is the cause of false alarm
本文的主要研究內容與結論如下: 1 .深入研究了機電系統bit特徵層導致虛警的原因和機理對特徵層的特徵信息質量包含的內容進行了分析，得到特徵與故障不匹配、特徵冗餘和特徵與決策器不匹配三種信息質量較差是特徵層導致機電系統bit虛警率高的主要原因。 -
The fraud exception of l / c is a source of the principle of independence and abstraction and the rule of strict compliance flaw, essentially complementary and contrary to the principle of independence and abstraction and the rule of strict compliance on condition that we insist on these. the rationale behind the fraud exception of l / c may divide into two levels : the first level is " reservation of public order ". the second level is " the good faith principle ", " the fair principle ", " the security principle " and " the efficiency principle "
信用證欺詐例外源於信用證獨立抽象原則及嚴格相符原則的制度缺陷，是在堅持信用證獨立抽象原則及嚴格相符原則前提下對其的必要否定和補充，其理論根據可分為兩個層次:第一層次為「公共秩序保留」 ，第二層次為「誠實信用原則」 、 「公平原則」 、 「安全原則」和「效率原則」 。 -
But the variation of its aerodynamic forces will induce flapping motion and produce the cyclic pitch on the main rotor blades by the bell mixing mechanism. in order to study the effect of bell - hiller stabilizer bar on helicopter stability and control, this paper first analyze the function and the principles, give the flapping equation and a flight dynamic model with bell - hiller stabilizer bar. and then works over the stability and control of uav r - 50 in hover and cruise condition, and analyzed the influence from parameters of the bar to it
為了深入研究希勒伺服旋翼對直升機穩定性和操縱性的影響，本文首先分析了希勒伺服旋翼的功能和工作原理，推導了伺服旋翼的揮舞運動方程，建立了帶有希勒伺服旋翼直升機的飛行動力學模型，然後以yamahar - 50無人直升機為例，分析該直升機在懸停和前飛時的平衡、穩定性和操縱性，在此基礎上進一步研究希勒伺服旋翼設計參數變化對直升機穩定性和操縱性的影響。 -
The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system
本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。 -
Based on the theory of primary aberration, the first - order optical parameters are determined at first through its paraxial analysis, flat - field condition, and aberration characteristics
本文從初級像差理論出發，首先通過近軸分析、平象場條件和像差特徵獲得一階光學參數。 -
To the cabin which is designed by the forth department chongqing communication college, the model which includes the air in the cabin, generator set and public muffler is built integer, meshed, and added by boundary condition and load. the normal k - model etc are used to be turbulence model of the air in cabin respectively, the turbulence model is calculated by simplef or simplen algorithm, and by the first order accurate msu or the second order accurate supg in advection discretization scheme
論文對艙內空氣、發電機組和公用消聲器進行了整體建模和網格劃分，施加機組艙模型的邊界條件和載荷，採用標準k -等多個模型來分別模擬機組艙通風散熱的空氣湍流流動，採用simplef和simplen兩種不同的數值演算法以及一階msu和二階supg的對流項分離方案來對流動模型進行運算。 -
In this paper, a class of the second order accurate explicit gauss schemes with staggered grids for the computation of solutions of hyperbolic conservation laws are presented, the advantages of these schemes are : riemann solver - free, faster and programming is much simple, no complete set of eigenvectors is needed and hence weakly hyperbolic system can be solved. in one dimensional case, these schemes are and total variation diminishing and convergence under the restriction of cfl condition, the convergence rate is the first order, and a pointwise error bound is presented
本文在交錯網格的情況下，利用gauss型求積公式構造了一類求解雙曲守恆律的時空一致二階顯式gauss型差分格式，這類gauss型差分格式，具有不需要求解riemann問題、計算簡單、工作量少、編程簡便等優美特點，而且由於這類格式在應用於求解方程組的時候，不需要對方程組進行特徵分解，因此可應用於求解非嚴格的雙曲守恆律方程組。 -
First order condition
一階條件 -
First - order condition
一階條件 -
If the initial condition is zero in a first - order circuit, the response to it is called the zero - state response
如果電路的初始狀態為零，那麼電路的響應稱為零狀態響應。 -
In this paper, by estimates of spectral of an integral operator, the authors give a theorem on the existence of solutions for first order differential difference equations with boundary condition
摘要通過對積分運算元譜的估計，作者給出了一階線性微分差分方程在邊值條件下解的存在唯一性定理。 -
We think the value of anchoring strength and the sign of modified parameter of anchoring energy should not be regarded as determinant when we distinguish between the first order transition and the second one, otherwise we also explain the accurate condition of first order transition in non - symmetric cell and point out the essence of it
討論了飽和點的一級轉變問題，驗證上、下基板錨定強度相同的液晶盒系統的一級轉變條件同樣適合不對稱盒系統，通過實例證明錨定強度的大小及錨定能修正系數的正負不能作為區分一級或二級轉變的參考條件。 -
Starting from benchmark model of incentive mechanism, the paper discussed the statistical backgrounds of first order condition and likelihood ratio condition, the information meaning of sufficient statistics and its derivation in relative performance evaluation, and the improvement on incentive allocation by large sample theory and bayes estimation under multi - period
從激勵機制的基準模型出發，探討一階條件法與似然比條件的統計背景、充分統計量的信息含義及其在比較業績評價方面的推廣應用、多期情形下大樣本理論與貝葉斯估計對激勵配置的改善。 -
This paper considers a general linear elliptic complex equation of first order in the plane, and proves that the weakly regular solutions must be the regular ones under condition c
摘要考慮復平面上一般一階線性橢圓型復方程，在條件c下，證明?其弱正則解必為正則解。
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