擬射影射 的英文怎麼說
中文拼音 [nǐshèyǐngshè]
擬射影射
英文
quasiprojective morphism-
In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中，利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式（ time - gcm ） ，對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬，結果表明，從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化，大氣的非等溫結構加速了重力波在中層頂區的破碎，重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。At the same time the influence of the cavity in front of slow - wave structure and the length of a smooth drift tube which connect two sections of slow - wave structure are also studied in this dissertation
然後利用magic粒子模擬軟體模擬了反射器對器件工作性能的影響，同時還分析了慢波系統前面的腔體以及兩段式慢波結構中過渡段的長度對器件工作性能的影響。Analog test study of nozzle width and split type ' s influence on pneumatic efflux element switching performance
深寬比及劈高對氣動射流元件射流切換影響模擬試驗研究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。And if we add a hemi light for faking the light coming from all points of the sky ( as in bsg. lig. f. s68. 111 ) we can achieve a nice outdoor light. . but we have no shadows
如果我們增加一個半光來模擬從天空散射來的光線（如bsg . lig . f . s68 . 111 ） ，我們就可以得到一個較好的室外照明了… …但是我們沒有陰影！With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end
隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity
該模型的主要特點是： （ 1 ）它採用了三尺度復合表面模型的思想來計算海面的電磁散射，考慮了中等尺度波對紋波的進一步調製作用，彌補了傳統雙尺度模型的不足； （ 1 ）它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用，實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬； （ 3 ）它把海面長波的軌道速度作為基本的動態成分，並依此來考慮海面運動對sar回波信號的影響。In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication
根據數字通信系統幾率的特性和微擾理論，建立了受激喇曼散射對通信系統誤碼率影響的理論模型，並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制，獲得了一些對實際光通信系統設計有參考價值的結論。Based on the analysis of the effect on the maximum range of the equation ' s each parameter and the traditional method of extinction ratio, the noncooperative regulable attenuation - measure the minimum detectable power of laser altimeter on the condition of constant miss probability by attenuating the laser power transmitting to the diffuse reflected simulant target - was put forward
在傳統的消光系數法基礎上，根據對月測距方程各系數的影響權重分析，提出了非合作目標可調衰減法，即：通過對漫反射模擬目標，衰減出射激光功率，在一定的漏警概率條件下測量激光高度計的最小可探測功率。In this paper we also designed the computer optical elements based on the scalar quantity diffractive theory, which can change the laser beam into a square frame. we mainly refered to the one of those improved algorithms of gerchberg - saxton ( gs ). with the computer simulation and drawing program, the simulated diffraction patterns were gotten in this paper, the results agreed with the anticipated diffraction patterns ; in the paper we also design the computer optical elements that can shape the laser beam into a double circle shape, a lamp shape and so on
計算機模擬成像結果與預期得到的衍射圖樣相符合;文中還討論了設計參數對成像質量的影響規律。同時，本文還用標量理論設計了把高斯光束整形為雙圓斑形光束的計算機光學元件，文中主要是參考改進的gs （ gerchberg - saxton ）演算法;通過計算機模擬，得到了計算機光學元件表面的相位浮雕圖。The computer speed is speeded up. the numerical results of the present models are in agreement with the theoretical solution and those of physical models. systematical numerical tests show that the present models can reasonably simulate the wave transformation, such as shoaling, refraction, diffraction, reflection, effect of currents and so on
比較詳細的模型驗證與應用表明，模型的數值模擬結果與解析解、物模實驗值吻合良好；可以較好地模擬波浪傳播過程中的淺水變形、折射、繞射和反射等多種現象；能正確合理地反映水流對波浪傳播的影響。In order to compare the impact of radiation parameterization schemes on simulated short - range weather process and improve the radiation parameterization schemes in meso - scale model version 5 ( mm5 ), the scheme of goddard short wave radiation parameterization has been replanted from weather research and forecast model ( wrf ) to mm5
為了比較長短波輻射參數化方案對中國短期天氣過程模擬的影響，並進一步完善中尺度模式mm5中的輻射過程的參數化方案，作者將wrf中goddard短波輻射參數化方案移植到模式mm5中。2. using the simulation method and a lorentzian oscillator model, the influence of the deviation in experimental parameters, including the thickness of samples, the incident angle, the misalignment of the time delay line, the background noise and the laser noise is analyzed
二、首次利用模擬thz輻射脈沖入射到共振吸收的樣品上的方法分析了厚度、角度、平移臺錯位、背景噪聲及激光器噪聲等對于光學常數測量產生的影響。Through observing the influence of different geometry to reflect wave in deep layer, using seismic digital simulation tracing method, analyzing the influence of max - offset, trace interval, fold and geophone planting to reflecting energy, this article, summarizes, in both theory and practice, the application result of " bin stack " acquisition method
通過不同觀測系統對提高深層反射信號的影響，採用地震數值模擬射線追蹤方法，分析了觀測系統中最大炮檢距、道距、覆蓋次數及檢波器埋置，對提高深層反射信號能量的影響，從理論到實踐總結了「面元疊加」採集技術的應用效果。In this paper, we ore going to analyze the effect factors of collector from the aspects of radiation condition, in - phase of supply and demand and sensitivity of shelter and variation of combinatorial plane, then discuss them with some design examples
該文擬從輻射條件、供需同步性及對遮擋及組合面變化的敏感性方面對影響集光器姿態的因素進行分析，並結合設計實例進行探討。The existing algorithms are effective to simulated data, but to realistic images, they can not effectively estimate the projective depths
已有的演算法對模擬數據很有效，但是對于真實圖像，它們不能有效地估計射影深度。Date integration technique was used to analyze the relationship between monthly mean daily clearness index kt and s, the ration of monthly mean daily sunshine duration to possible sunshine duration as well as that of monthly mean daily direct transmittance kb. based on data from 1957 to 2000, a series of kt and kb estimation models with different temporal and spatial scales were established. furthermore, the distributions of kt and kb from january to december in chongqing were mapped by kriging interpolation for long - term mean
大氣輻射過程模擬通過晴空指數、直接透射率等綜合描述大氣對太陽輻射影響的參數，採用重慶市及其周邊地區1957 - 2000年日射站觀測的月輻射資料和常規月氣象觀測資料，利用數據集群技術，建立了不同時空尺度的太陽輻射估算模式；使用kriging插值法，完成了重慶市氣候平均狀況下各月晴空指數、直接透射率的空間制圖。The authors analysed the firing efficiency of varied firing modes under the varied conditions of firing using probabilitic analysis, and simulated the varied firing modes of single tank using statistical experiment method, then analysed the performance of tank, the proficiency of marksman, the circumstance of battlefield and the influence of characteristic of target on single tank ' s firing efficiency as well as selection of firing model
採用概率分析的方法對單坦克在不同射擊條件下採用不同射擊方式的射擊效能進行了分析，並運用統計實驗法對單坦克不同射擊方式進行模擬，分析坦克性能、射手射擊水平、戰場環境，目標特徵對單坦克射擊效能及射擊方式選取的影響。The conclusion acquired from this thesis included theory model, experiment and numerical simulation. the temperature and concentration distribution, each typical parameter ' s effect and the radiation transmission ' s effect have also been concluded
本文得到的主要結論包括理論模型、實驗和數值模擬三個方面，對于溫度場和濃度場的分佈、各典型參數的影響、輻射透射率的影響等重要問題均有相應結論。4 study on the virtual therapy machine it is possible to construct any existing therapy with the model of a multi - rigid - machine, being designed as an actual teletherapy machine. with the change of therapy equipment parameters, which can describe the moving of couch, pedestal, gantry and collimator, the motion of the model can be displayed simultaneously
6虛擬放射治療儀的研究虛擬放射治療儀是一種配合設計放療計劃的虛擬設備，它能全面模模擬實放射治療儀的各種運動，能夠動態顯示機器參數和機器參數設置對射線性質的影響，為放療計劃實施提供了訓練和教學的最佳手段。分享友人