擬緊性 的英文怎麼說
中文拼音 [nǐjǐnxìng]
擬緊性
英文
quasi-compactness-
According to the urgency and the necessity of reconstructing material mechanics lab, plans and suggestions were put forward in six aspects which consist of reconstructing universal material machine and photo - elastic instrument, rebuilding electrical testing lab, increasing devisable experiments, adding virtual experiments, making exhibit - boards
摘要鑒于改造材料力學實驗室的緊迫性和必要性，從改造萬能材料試驗機、光彈儀和電測實驗間，增加設計型實驗項目，增加虛擬實驗，製作展示板等6個方面，提出了具體方案和建議。Computer simulation on pipeline flow characteristics of mine hoist emergency braking
礦井提升機緊急制動時管道流動特性的計算機模擬Two fundamental privacy principles, proportionality and transparency, have guided the formulation of the code
在草擬守則的過程中，我們一直緊守兩項基本私隱原則，即相稱性原則和透明度原則。Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。Guided by the theory of sequence stratigraphy and petroleum system using cores, lithologic log or well - logging, biostratigraphic and seismic data, adopting seismic inversion constrained to well data, digital analysis technology, basin modeling, test method and so on, and adopting an integrated study technology, aiming at lower exploration in chagan depression, this work put forward a new research thoughtfulness, technic flow and method system that is an integrated study by " looked upon sequence stratigraphy as a base, looked upon petroleum system as a integer, combing with each other closely " and tie in qualitative analysis and quantitative analysis and applied synthetically new theory, new technology and new method
以層序地層理論和含油氣系統思想為指導，利用巖心、鉆/測井、古生物以及地震資料，採用井約束下的地震資料反演技術、計算機技術、盆地模擬技術和各種分析實驗手段等綜合分析方法，針對查干凹陷勘探程度低的特點，提出了斷陷盆地「以層序地層分析為基礎、含油氣系統為整體（系統）和二者緊密結合」以及定性與定量相結合，綜合應用新理論、新技術和新方法的研究思路、技術路線和方法體系。With the application of a practical engineering, this paper carries on an investigation in the dynamic performance of water supply system. the vibration mechanism of pipelines and the factors that affect pipelines " vibration are analyzed. an approximate analysis of the function of liquid in pipelines is also given
論文緊密結合工程實際，對供水系統動態特性進行了分析，研究了管道振動機理，分析了影響管道振動的因素，對供水系統管道進行了模態分析，從理論和模擬角度研究了管內流體對管道振動的影響；並運用分析結論指導供水系統的減振降噪改造工程，取得了很好的工程效果，進一步拓展了管道振動研究內容，使其與生產實際緊密結合。Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed
本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群，施工開挖過程中和開挖后圍巖穩定性研究這一重大課題，在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上，以目前國際工程地質界公認的最新通用軟體flac ~ （ 3d ） 2 . 0版作為基本計算工具，從整個壩區地應力場的研究開始，通過動態數值模擬分析這一新的模擬思路，系統地研究了深切峽谷區地應力場多階段的特徵和演變規律，進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵，進行了全過程動態數值模擬研究，並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。On the basic theory of transfer heat, tribology of rolling bearings and rotor dynamics, taking gdz48a electrospindle as an example, the paper puts forward the spindle bearing ' s quasi - dynamics analysis model with the influences of the friction heat and preloadings analyzes the friction moment, velocities, contact loads, friction heat and stiffness and studies the influences of the friction heat, structure and application parameters on the speed and dynamics
本文以傳熱學、滾動軸承摩擦學和轉子動力學為理論基礎，以gdz48a型電主軸為例，建立了考慮摩擦熱和預緊方式影響的主軸軸承擬動力學分析模型，分析了軸承的摩擦力矩、運動、載荷和剛度，研究了軸承的熱特性、設計和應用參數對速度和動力學性能的影響，並進行了試驗驗證。Abstract : the paper presents the study on problems of self - excitation ， over - voltage ， frequency and voltage stability ， organizational measures and arrangement in the course of black start and restoration of the system. through simulation of black start on east china power system ， above problems are analyzed and solved ， it shows that working out strict black start scheme may not only speed up system restoration ， reduce outage losses ， but also have important significance to emergency release or power system islanding
文摘:研究電力系統黑啟動的過程及恢復中存在的自勵磁、過電壓、頻率和電壓穩定、組織措施及安排等問題，並通過華東系統黑啟動模擬對上述問題進行分析和解決，證明制定嚴格的黑啟動計劃不僅可以迅速恢復系統、降低事故損失，而且對處理緊急狀態或地區性解裂有重要意義。Strong nearly compactness in lf topological spaces
拓撲空間的強擬緊性Their learning and training rules have been analyzed profoundly and their abilities to approximate arbitrary nonlinear function have been testified and compared by the simulation. a new rbf neural network has been presented which uses a raised - cosine function as activation transfer function. it provides a wider generalization in comparison with gaussian rbf neural networks by simulation as well as strong approximation ability, fast convergence, a rule to select the parameters of the networks
本文詳細研究了兩種典型的前向神經網路（ bp網路和rbf網路）的學習和訓練演算法，提出了一種新穎的基於緊支集餘弦函數的徑向基神經網路，其克服了常用的高斯型rbf神經網路雖具有緊支集但各基函數非正交的不足，其收斂速度快、網路參數選取有理論依據且相比于高斯型rbf神經網路具有更強的泛化能力，模擬驗證了其有效性。On the basis of the result studied, three categories flaws easily turning up in the common whorl attachment are assayed by way of simulation. the result of experimental measurement verify all the conclusion from fem numerical simulation analysis 。 based on the study of the rationale of the ac - mfl, it primarily simulation studied the common whorl attachment in our country. the experimentation results go along with the simulation analysis
螺紋構件可以看作是柱體上緊挨的多條裂紋的組合，以上述內容為基礎，以ansys模擬軟體為手段對普通螺紋構件中極易出現的三種裂紋情況（螺桿接合部的缺陷，螺紋區的缺陷，螺紋尾部的缺陷）進行了建模模擬，得出了三種不同情況下磁場分佈特徵，實驗驗證了模擬分析的正確性。Considering the np - complete problem, how to get the approximate optimized scheme of job - shop scheduling, and aimed at improving the efficiency of products and taking good advantage of concurrence, asynchronism, distributing and juxtaposition in multi - products and devices processing, we could divide the working procedures into the attached one which has the only precursor and subsequence and unattached one by analyzing working flow chart of job - shop, that is the working procedures are divided into two types, then the bf and the ff methods about memory scheduling in os are applied, therefore a new approximate optimized scheme is presented in the paper which could solve the common job - shop scheduling. namely, the acpm and the bfsm are applied to the classified and grouped working procedures considering the compact of the procedures and practical examples approved it. the results we analyzing and tested show that it is better than the heuristic algorithm common used, for less restriction terms, more satisfying algorithm complexity and better optimized results
針對job - shop調度問題求最優解演算法這一npc問題，本文以充分發揮多產品、多設備加工所具有並發性、異步性、分佈性和并行性的加工優勢，從而提高產品的加工效率為目標，對job - shop調度問題的工藝圖進行適當分解，使工序在一定時間段或是為具有唯一緊前、緊后相關工序或是為獨立工序，即將工序分兩類，再結合操作系統中內存調度的最佳適應（ bf ）調度方法和首次適應（ ff ）調度方法的先進思想，通過分析提出了一種解決一般job - shop調度問題的全新近優解方案：在考慮關鍵設備上工序盡量緊湊的前提下，將工序分類、對這兩類工序分批採用擬關鍵路徑法（ acpm ）和最佳適應調度方法（ bfsm ）安排工序的演算法，用實例加以驗證，並給出結果甘特圖。We first analysis and model the stick failure of hydraulic valve and propose a new non - sensor detection method. we verify its validity by simulation and practical experiments. the experiment shows that this method can well identify the stick failure and do pre - diagnose
論文首先對液壓閥卡澀、卡緊這一類重要故障現象進行了機理分析和建模，提出了基於電反射的無傳感器檢測新方法，並通過模擬和具體實驗對其有效性進行了驗證。It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation. this paper is mainly focused on carrier recovery technique. we introduce the channel model at cable headed and receiving site. firstly, we introduce the principle of carrier recovery and give some algorithms of them, which are directed - decision, reduced constellation and frequency sweeping
本論文緊緊圍繞著數字通信系統中的載波恢復技術，在介紹了有線通信系統所用的調制解調通道模型后，首先闡述了載波恢復技術的思想和基本原理，在此基礎上給出了三種載波恢復演算法，即判決導向演算法、簡化星座判決演算法和掃頻演算法，並且給出了其各自的模擬圖：然後深入研究了一種適合高階qam並且能糾正較大頻偏的載波恢復技術：極性判決演算法。None but is the test spectrum abundant and controllable, it is possible to simulate the stresses environment needed for exposing weakness of the product. based on summarizing the present status of the vibration test and vibration environment simulation technology in the world, the topic of simulation of super - gaussian random vibration environment with controllable frequency spectrum and its applications in reliability enhancement testing is put forward. the main content and conclusions of the dissertation are as following : 1
本文在綜述國內外振動試驗技術和振動環境模擬技術的基礎上，引出「頻譜可控的超高斯隨機振動環境模擬技術及其在可靠性強化試驗中的應用」這一主題，並緊緊圍繞該主題開展了如下研究工作: 1 .全面分析了振動激勵的功率譜密度量級、幅值分佈、帶寬以及試件結構的固有頻率、阻尼比等因素對疲勞損傷累積的強化效應，提出振動強化試驗激勵信號應具備的重要特性:頻譜可控和超高斯，確立了本文的研究主題和方向。This paper uses the program to calculate the dynamics performance of small slack coupler that designed by qiqiha ' er vehicle ( grounp ) company. by compared maximum coupler force and maximum acceleration of car body with common slack coupler at condition of train starting, braking, emergency braking and releasing, we verified that small slack coupler is better than common slack coupler in dynamics performance. this paper also calculated the train dynamics performance parameter with different buffer and braking system, running in different line and using different operating method
本文利用列車縱向動力學模擬程序，計算了齊齊哈爾車輛（集團）公司研製的13號小間隙防脫車鉤的縱向動力學性能，通過比較各個車鉤間隙下列車最大縱向車鉤力和列車最大加速度的數值，得出小間隙車鉤在列車啟動工況、常用制動工況、緊急制動工況、緩解工況的縱向動力學性能都較原有車鉤性能優異的結論。The quasi - weak convergence in c [ a, b ] is studied and applied to the boundary - value problems in the nonlinear ordinary differential equations without the assumption of the continuity, compactness and convexity
摘要研究了連續函數空間中凹（凸）函數列的擬弱收斂性，並應用於沒有連續性緊性和凹凸性假定的二階常微分方程的邊值問題。In the third chapter, we use the tool of carleson measure, charactering the bounded and compact of weighted composition operator on bergman space on strongly pseudoconvex domains, these results generalized the results of g. mirzakarimi and k. seddighi
在第三章，利用carleson測度這一工具，刻劃了有界強擬凸域上bergman空間上加權復合運算元的有界性及緊性。推廣了g . mirzakarimi與k . seddighi在單位圓盤上加權bergman空間上獲得的結論。Generalized vector quasi - variational - like inequalities without monotonity and compactness
沒有單調性和緊性的廣義向量擬似變分不等式分享友人