simulation models 中文意思是什麼
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Apply minimum cross - entropy spectral estimation to verify simulation models for antitank missile systems
最小交互熵譜估計在反坦克導彈系統模擬模型驗證中的應用 -
Verification indicated that the car - barrier crash simulation models developed in this paper present high accuracy and stability finally, on the basis of summarizing dynamics of car and occupant and protection behavior of barriers in car - highway barrier crash, many problems and solutions confronted in the current research were presented, and the prospect and objectives of further work were also given
驗證表明本研究中所建立的模擬模型具有較高的精確度和可靠性。最後，本文在總結了轎車與高速公路護欄碰撞中轎車和乘員動態特性及護欄防護特性的基礎上，提出了當前研究所遇到的若干問題和解決方案，並展望了進一步的研究目標。 -
The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。 -
Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed
根據磁流變阻尼器特性和對懸架系統動力學特性的規律性研究，為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略，基於「地棚」阻尼控制概念的磁流變阻尼線性連續控制策略， 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的磁流變阻尼混合控制策略，根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。 -
With background of an antiaircraft training system, simulation models of many kinds of cruise missile and warplane are established, including physical model, decision - making model and three - dimensional model
本文以「新三打」訓練模擬系統為背景，建立了多種型號巡航導彈和作戰飛機的模擬模型，包括物理模型、決策模型和三維模型。 -
A spatial deployable truss structure was studied by the ways of multibody dynamics. the equation of multi body dynamics was set up with the lagrange multiplier method and the dynamics simulation models of deployable truss structures were built by adams and i - deas
空間展開桁架結構屬于多體動力學研究范疇，本文利用lagrange乘子法建立多體動力學方程，通過adams和i - deas建立空間展開桁架的多體動力學模擬模型，進行模擬計算。 -
In chapter l, the concepts of ceramic microstructure, the basic theory of grain growth kinetics, monte caro simulation model and other computer simulation models are indoduced
第一章緒論：簡要介紹陶瓷顯微結構的概念以及晶粒生長動力學的基礎理論；概述晶粒生長的montecarlo的基礎模擬模型以及其它的計算機模擬模型。 -
In chapter 4, simulation models of constant frequency communication countermeasure federation and results of federation test and federation execution are presented
第四章給出了定頻通信對抗聯邦的模擬模型以及聯邦測試、聯邦執行結果。 -
The constant frequency federation consists of five federates, which are communication transmitter, communication receiver, reconnaissance receiver, directionfinding receiver and jammer. all the federates adopt complex envelop simulation models
定頻通信對抗聯邦包含五個成員:通信發信機、通信接收機、偵察接收機、測向接收機和干擾機成員，各成員均採用復包絡模擬模型。 -
Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created
神經網路控制是智能控制的重要方式之一，它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法（ bp演算法） ，特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次，應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器，作為引入神經網路控制的設計基礎，並建立了系統的模擬模型。 -
The first introduced basis concept fundamentals and development of reconnaissance and jam for communication. the second present fundamentals of reconnaissance for communication ; simulink simulation models ; reconnaissance for communication federate design. the models include : simulation models for communication ew panoramic scanning receiver, surveillance analyses receiver, multichannel - fft receiver
本文主要分三部分，首先介紹了通信偵察和通信干擾的基本概念及發展趨勢;第二部分介紹了通信偵察的基本原理、 simulink模擬模型以及通信偵察邦元設計，主要包括全景搜索接收機、通道化接收機;第三部分介紹了通信干擾的基本原理、 simulink模擬模型以及通信干擾邦元設計，結合通信收發邦元、測向邦元，給出了干擾效果。 -
A model architecture being made up of vehicle generation model, network model, traffic management and control model and car driving model ( car - following, lane - changing and event reaction model ). under the framework of model architecture, the kernel car basic driving micro - simulation models are developed. according to the characteristics of time - slice scan simulation, kernel models can provide flexible description of vehicle driving behaviors
研究結果確立了車輛基本行駛微觀模擬模型的體系結構，該體系結構由車輛生成模型、路網描述模型、交通管理與控制方案模型及車輛行駛模型（跟車模型、換道模型和事件反應模型）構成，是基於netsim模型建立bdsim模型的框架。 -
It is selected guangnei - street district region for study in xuanwu district, beijing. the regional land - use capacity of the selected objective is developed and it explores impact of mixed land use for the future transport system, the establishment of the regional road network simulation models is to certificate the research results, supporting the need sand feasibility for the study of r - tia
選定北京市宣武區廣內大街片區為示範區域進行研究，計算出區域目標年可開發量，並探討了混合土地利用對未來交通系統的影響，建立示範區域路網模擬模型，驗證了研究成果，有力地佐證了進行區域交通影響評價研究的必要性和可行性。 -
Distributed simulation study of multi - geographical process was carried out in the study area of lianshui basin, xingguo county, jiangxi province supported by rs and gis, using the simulation models system developed by usda. this project is funded by the national natural science fund titled " integration and systematization of mathematic models for soil and water resources study in a basin and its application "
本文以國家自然科學基金項目「流域土壤和水資源模擬模型的集成和系統化及其應用」為依託，選擇美國農業部開發的流域尺度的地理過程模擬模型，在遙感和gis技術的支持下，在江西興國縣的瀲水河流域進行了多種地理過程的分散式模擬研究。 -
So there are good prospects for alternating current excitation generators. in this thesis, the operation principle of aceg and the excitation control strategy based on dynamical synchronous reference frame are analyzed, the simulation models of the generator and excitation controller are established based on the saber simulator. according to the requirement of aceg, the converter should have regeneration capability, and the input and output currents of converter should be sinusoidal
由於交流勵磁發電機既可能運行於勵磁系統向電機轉子方輸入電功率，也可能運行於勵磁系統將轉子方輸出的電功率回饋給電網，根據交流勵磁發電機系統對勵磁變頻器功率雙向流動及變頻器輸入和輸出電流諧波含量少、諧波幅值小的要求，本文提出採用輸入和輸出性能優良的矩陣式交-交變頻器作為勵磁電源。 -
Kd _ drtss, which takes reflective memory as the real - time network and uses database to store and manage simulation models, configuration information and data of results, is a distributed real - time simulation system developed by military simulation lab of national university of defense technology. it has many advantages, such as “ managing concentratedly, running distributedly ”
Kd _ drtss是國防科技大學軍用模擬實驗室開發的分佈實時模擬系統，它採用反射內存作為實時網路，使用數據庫存儲並管理模擬模型、模擬試驗配置及模擬結果，具有「集中管理，分佈運行」等優點。 -
Abstract : the study on escape behavior in disaster is helpful not only to designing the construction of buildings, and to disposing the things involved, but also can improve the consciousness on disaster reduction of the commen people. considering the disaster expriment being dangerous and escape behavior generally not being repeatable, computer simulation models which is probably the most proper approach for studing are developed to explore the regulation of escape behavior. this paper introduces the principles of model development, components and some primary assumptions of the model. in addition, it presents a realizing way in computer, which will be the base for further case studies
文摘:災害避難行為的研究，不僅直接有助於建築物內部構造的設計、物件的布局、避難誘導裝置的設計，而且也是加強市民減災意識培養的基礎.考慮到災害實驗的危險性和避難行為的不可重復性，建立計算機模擬模型來探求避難行為的規律，已成為對其進行研究的最佳途徑.本文重點介紹了避難行為模擬模型建立的原則、模型的構成、基本假設，並給出了計算機實現的途徑，為進一步的實例研究創造條件 -
At first, two simulation models for two methods are built by matlab simulink, which are used to test the control algorithm and the whole system
作者首先採用matlab為系統建立了兩種方法的模擬模型，用來驗證控制演算法和整套系統。 -
Finally, the author studied how to construct the simulation model of c4isr communication networks in petri nets in accordance with its conceptual model, as well as realized some of the components of the network simulation models
最後，論文研究了在c ~ 4isr通信網路的概念模型的基礎上對其petri網模擬模型進行模塊化、層次化開發的步驟與方法，並在概念模型的指導下實現了部分網路模擬模型組件。 -
Research progress and prospect on alfalfa growth simulation models worldwide
國內外紫花苜蓿生長模型研究進展與展望
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