擬射影的 的英文怎麼說
中文拼音 [nǐshèyǐngde]
擬射影的
英文
quasi projective-
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。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。To explore the importance of soil moisture on land - atmosphere heat and water exchange, the impact of soil moisture on reflectivity and associated aspects of land surface modeling are also examined
本文中還研究了土壤濕度和土壤反射率之間的關系,並討論了在陸面過程模式中考慮反射率隨土壤濕度變化對模式模擬結果的影響。The results of simulations are : i ) energies of the incident ions to the target are determined mainly by the voltage across the cathode sheath, with a majority of ions " energy vary around the sheath voltage ; ions nearly normally bombard the target ; ions mainly locate above the sputtering holes because of the influence of the magnetic field, and the incident ions mainly come from the region ; the ions undergo several collisions during transportation, but that do n ' t matter much
主要模擬結果有: ? )入射離子到達靶面時的能量主要受到了射頻輝光放電中陰極殼層西北工業大學碩士學位論文李陽平電壓的影響,大部分離子的入射能量在陰極殼層電壓值附近,離子濺射時接近於垂直入射;射頻輝光放電受到陰極磁場的影響,等離子體中的離子主要集中在靶面濺射坑的上方,且入射離子主要來自這個區域;入射離子在輸運過程中和背景氣體分子有少量的碰撞,但影響不太大。The methods above have been simulated using emtp and matlab, and the simulation results indicate that, ( 1 ) in the fault location method based on wavelet reconstruction, the influences of reflected waves from tee joints or resistance discontinuities except the fault point can be eliminated when the current difference between faulty phase and sound phase is used in fault location
本文利用emtp和matlab程序對上述方法進行了數值模擬,結果表明: ( 1 )在本文所提出的基於小波重構的電纜故障測距方法中,利用健全相和故障相的電流差信號進行故障定位,能消除故障點之外其他阻抗不匹配點的反射波的影響。( 5 ) designed the synthetic jet actuators and the testing system. experimented it in quiescent air, and analyzed the actuator ' s influence factors, such as voltage magnitude and frequency. the results agreed with the conclusions that made from theory analysis and numerical simulation
( 5 )基於設計的合成射流激勵器及測試系統,在靜止大氣環境進行了初步原理性實驗,並對激勵電源電壓幅值和頻率對合成射流的影響進行了分析,實驗結果與理論分析及數值模擬結果相吻合。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。Simulating results reveal that hydrodynamics of catalysts in riser reactor is very complex due to the effect of injection and catalysts backmix dramatically near the nozzle, reaction products unevenly distributie along the riser height, there exists apparently temperature gap between gas - phase and solid - phase near the nozzle and the temperture of two phase is nearly equal at middle - top part
模擬結果表明,由於原料油射流的影響,提升管反應器內催化劑顆粒的流動特徵非常復雜,在噴嘴附近的催化劑顆粒存在明顯的滑落返混;裂化產物濃度沿提升管存在非均勻分佈;氣粒兩相間溫差在噴嘴附近顯著,在中上部氣粒兩相溫度幾乎相等。This paper applies transfer matrix method to calculate transmission coefficient of one - dimensional dual photonic crystal numerically simulating the effects of many factors on the transmission spectrum of one - dimensional dual photonic crystal
摘要用傳輸矩陣方法研究了一維二元光子晶體在可見光區的透射特性,數值模擬多種因素對一維二元光子晶體的透射譜的影響。Based on the 3 - d numerical simulation and the model test, many factors affecting the flow pattern stability and the hydraulic characteristics of the horizontal submerged jets are studied
摘要採用數值模擬和模型試驗相結合的方法,分析了水股分層、坎高、出口體型和跌坎形式等因素對多股水平淹沒射流的流態穩定性和水力特性的影響。( 4 ) influence on reflected wave of the moisture of surface, base and subgrade and voids of asphalt surface is analyzed and characteristic waves are simulated to offer reference to analyzing actual wave
( 4 )對路面面層、基層和地基的含水量以及瀝青層空隙率對雷達反射波的影響進行分析,並對其特徵波形進行模擬,為分析處理實際波形提供參考。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。This paper provides a powerful method for the compatibility design of aircraft with external store, a missile, by calculating fast, conveniently and effectively the relative trajectory and relative attitude of the store with respect to aircraft during the separation process
此外,為了有效擊中目標,需要掌握投放初始階段外掛物姿態和運動軌跡數據。因此,研究機載發射過程中的彈機氣動干擾力,考慮其對導彈發射后的彈道模擬初始參數的影響十分必要。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 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。Abstract : hybrid finite analytic method ( hfam ) and staggeredgrid are applied to calculate the line buoyant jets in cross flows. the phenomenon and development of end - vortex are simulated successfully and the influences of diffuser length and buoyancy on turbulent buoyant jets are analyzed
文摘:本文利用混合有限分析法及交錯網格,對橫流中有限長線源型浮力射流進行數值計算,成功模擬了端渦現象及其發展過程,並分析了擴散器長度及浮力對湍浮力射流的影響。Setback and spin environment simulation of fuze in fire is to simulate influence that setback and spin have done to fuze when firing in the gun tube. it is key of fuze simulation and very important for fuze research and production
引信發射后坐與旋轉雙環境模擬是指同時模擬發射時后坐和旋轉兩種彈道環境對引信產生的影響。它是引信模擬技術的關鍵,對于引信研製和生產都有重要意義。分享友人