target simulation 中文意思是什麼

target simulation 解釋
目標模擬
  • target : n 靶子，標的；目標；（嘲笑等的）對象；笑柄 （for）; （儲蓄，貿易等的）定額，指標；小羊的頸胸肉；...
  • simulation : n. 假裝；模擬；裝病，裝瘋；【生物學】擬態，擬色。
  1. Simulation for target image - point scanning of ir aam seeker

    某型紅外空空導彈導引頭目標像點掃描模擬研究
  2. With the background of a model of antiaircraft artillery system, the related theories and software design thoughts of target measure system are studied. digital simulation and experiment in national shooting range demonstrate their effects

    本文以「某型牽引高炮武器系統」的研製開發為工程背景，研究與探討了火控系統中目標坐標測定儀相關理論與軟體設計思想，在實際應用中取得了良好的效果。
  3. The energy centrobaric method is made use of correcting the doppler spectrum, the simulation predicted value of the target velocity is obtained

    用能量重心校正法對多普勒頻移校正，進而得到物體的運動速度的模擬計算值。
  4. Taking certain typed ejection seat as the target of study, this paper established a finite element model to carrying out impact dynamics simulation

    摘要以某型彈射座椅為研究對象，建立有限元模型進行座椅結構的沖擊動力學模擬。
  5. Unmanned air vehicle ( uav ) plays a very important role in nowadays research. recently, the applied range of the uav has expended into military, civil and scientific research scopes : in military scopes, it can be used to be detectors and monitors, electronic countermeasure, fire guidance, war evaluation, target simulation etc ; in civil scopes, it can be used to geodetic survey, detect urban environment, survey globosity resource, prevent forest - fire, pretend environment and succor disaster etc ; in scientific research scopes, it can be used to survey and research atmosphere, also it can validate new technology and now facility

    隨著時代的發展，無人機在社會的各個領域起著越來越重要的作用，近年來，無人機的使用范圍已拓展至軍事、民用和科研三大領域:在軍事上，可用於偵察監視、電子對抗、火力制導、戰果評估、目標模擬等;在民用上，可用於大地測量、地球資源勘測和森林防火、環境保護與災害救援等;在科研上，可用於大氣研究、氣象觀測、新技術新設備的試驗驗證等。
  6. Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation

    第三章對虛假圖像干擾進行了研究，通過對雷達波束內兩個不同的點目標在同一時刻的回波信號進行的分析比較，推導了干擾信號的生成公式，對干擾信號的特徵作了詳細的分析，並結合實測數據做了模擬實驗。
  7. The last part of this paper designed a simple three - dimensional proportion homing rule according to three - dimensional opposite equation of motion of missile - target. and the simulation of the big - loop of terminal guide, control and motion was given

    最後根據導彈?目標的三維相對運動方程設計了一種簡單的末端三維比例制導律，並對導彈的末制導、控制以及運動大迴路進行了綜合模擬。
  8. 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。
  9. A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given

    使用分形方法提取目標的特徵，在知識指導下，提出了一種基於目標特徵模型的降維的形態學分形維數計算方法，對傳統分形方法進行了改進，從理論上推證了演算法的合理性，並對演算法進行了模擬分析；針對傳統hough變換無法獲得線段端點和長度信息的局限性，提出了一種基於目標特徵先驗知識的hough變換融合策略，通過引入目標先驗知識，可以有效地獲得直線信息；對信息多而復雜的機場目標採用基於知識的目標識別方法，使用置信度模摘要型實現不確定推理，對目標進行識別判斷，將知識貫穿于整個識別過程中，對目標進行了有效地識別。
  10. It is concluded that the equivalent target expression and the method of calculating terminal velocity can efficiently increase the calculating precision and can be used in the battle damage simulation

    結果表明：建立的等效靶公式和剩餘速度求解方法顯著地提高了計算精度，可以應用於戰斗損傷模擬分析中。
  11. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  12. The main content of this thesis is about a simulation of tracking a spot and attacking a target with ir imaging guidance missiles, which includes the establishment the math modeling, the production of the dynamic images by programming, and the use of the broadcast memory sbs technique to accomplish the real - time transmitting of ir image and real - time synthesizing of ir image

    本文論述紅外成像制導導彈跟蹤並攻擊飛機目標的模擬全過程，建立數學模型，用編程的方法生成目標的動態紅外圖像，利用共享內存光纖網路完成圖像的實時傳送和實時合成。
  13. The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal

    為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響，模擬和分析分為以下四個部分:首先，研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題，研究表明，追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性，而對于兩航天器軌道共面的情況下，初始相位角相等時則獲得最佳的機動效果。
  14. The battle damage simulation method was presented, meanwhile the disadvantage of equivalent target expression was demonstrated

    摘要概述了目前普遍採用的戰斗損傷模擬分析方法，論證了其等效靶公式存在的缺陷。
  15. Then, the chaser ' s two orbit roots are selected as variable and visualizing the simulation by contour plot. this part of research draws the conclusion the same as the first part when the target ' s orbit is circular orbit, while the selected two variable can be wildly changed if the target ' s orbit is elliptical orbit. next, wait time before orbit maneuver is simulated

    其次，利用可視化的等值線圖研究了追蹤器軌道兩個參數為變量的情況下大范圍軌道機動問題，分析表明對圓軌道目標器交會機動時，追蹤器軌道根數不宜與目標器軌道根數相差過大，而對橢圓軌道目標器交會機動時，追蹤器軌道根數可選范圍較大，機動策略和方法富於彈性。
  16. The generation of energetic ions during the interaction of a linear - polarized ultra - short ultra - intense laser pulse with solid targets are examined by particle simulation. three energetic ion populations are observed and the acceleration mechanisms are analyzed, respectively. the first population is pulled out from the target by the electron jet in front of the target

    模擬觀察到三群高能離子的產生，並對其加速機制一一進行了分析:在靶的前部，向外噴射的高能電子在靶前形成電子云，將一部分離子拉出靶面，形成第一群高能離子;激光驅動大量高能電子向靶內輸運，這些電子牽引靶前部的離子向前加速，形成第二群高能離子:高能電子很快穿透靶，在靶后形成電子云，加速靶后表面處的離子，形成第三群高能離子。
  17. According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design

    本論文結合當前中國散裂中子源（ chinaspallationneutronsource ， csns ）工程概念設計的迫切需要，選擇國際上廣泛使用的基於蒙特?卡羅方法，用於模擬粒子輸運過程的程序mcnp4a和nmtc jam作為研究工具，首次對csns靶站進行了全面的模擬與優化，內容包括靶、反射體與慢化器系統的中子通量分佈以及熱量沉積，同時計算了靶的溫度場與應力場分佈。
  18. Appropriate evaluation indexes are established based on the considerations for the missile impact, the target tracking stability and the flight stability of the missile. a simulation program is designed to simulate the missile - ship engagement scenario, and also evaluate the electronic protection capability of the active - passive multimode seeker

    分別從反艦導彈彈著點、導引頭目標跟蹤穩定性和反艦導彈飛行穩定性三個方面考慮，研究了評估復合制導反艦導彈主被動復合導引頭抗干擾性能的基本理論和方法，建立了評估指標。
  19. The simulation of the terminal guidance procedure is carried out, and the results verified the conclusion that the interceptor can hit the target directly. at last, the effect of flight path angle error on interception performance is analyzed in detail

    在此基礎上進行了動能攔截器攔截過程模擬，驗證了動能攔截器能夠直接碰撞命中彈道導彈的結論，並詳細分析了在不同相對距離的初始條件下，航向誤差對攔截性能的影響。
  20. The simulation experiment results of real airborne stripmap sar system parameters indicated that, the simulating measures we adopt are efficient and authentic. implement of large extend target simulation with the algorithm of 2dfft can attain high calculation efficiency and have applied value in a certain extent

    對機載條帶式sar真實系統參數的模擬實驗結果表明，本文對不同目標模型採用不同的演算法生成sar回波數據，成像后的指標均能達到圖像質量基本要求，所採用的模擬方法有針對性，真實有效。
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