擬全息的 的英文怎麼說
中文拼音 [nǐquánxīde]
擬全息的
英文
quasi holographic-
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。3. the dynamic stability models with complete information and incomplete information of virtual r & d alliance were put up. the administrant and negotiatory organ of virtual r & d alliance was supposed
3 、建立完全信息條件下和不完全信息條件下r & d虛擬聯盟的動態穩定模型，對穩定過程中的管理協調機構作出假設。2. a method combining some of the composite space structural simulation, wavelet analysis, fuzzy mathematical, genetic algorithm, artificial intelligence, expert system, vibration diagnosis, acoustic sounding, supersonic flaw detection, radioscopy, infra - red detection and so on to diagnose the composite structure damage is discussed
本文對把復合材料大跨建築結構模擬、小波技術、模糊數學、遺傳演算法、人工智慧、專家知識、振動診斷、聲發射技術、超聲波檢測、射線探傷、激光全息檢測、紅外線檢測等方法中的幾種融合在一起對復合材料大跨建築結構進行損傷診斷的方法進行了探討。1. 3 under inquiring, inspecting, contrasting and analysing the information of soil basis ( series ) classification, the soil taxonomy of hubei province is established. and the soil for hubei province are divided into 10 soil orders, 16 suborders, 35 great groups and 54 subgroups, contrasted with international soil systematics such as the american soil taxonomy, the fao world soil map legend unit and the world soil resource reference basis, any sort of soil in hubei province has each own apprepriated places. this conveniently joins the soil taxonomy and the achievements in soil research in hubei with the international convention and realizes the international communication and application
3通過全省土壤基層分類（土系）信息的查詢檢索和分析比較，擬定了湖北省土壤系統分類，將全省土壤劃分為10個土綱、 16個亞綱、 35個土類、 54個亞類，並與美國土壤系統分類、 fao世界土壤圖例單元和世界土壤資源參比基礎等國際土壤分類系統進行對比，確定其相應位置，便於湖北省土壤分類和土壤研究成果與國際接軌，實現我國土壤信息在國際上交流和應用。And the system ' s functions include transporting, warehousing, loading, machining and distributing. secondly, on the base of analyzing relative information in logistics deciding and describing data relations, the technology of cals ( continuous acquisition and life - cycle support ) is selected to manage database, at the same time, some advance techniques of information analysis are put forward in order to get a across - the - aboard and integrated information support. thirdly, according to the system ' s functions, six mathematics models are set up, and the general way to using these models deciding is also gain
首先描述了系統的組成要素，界定了系統功能（運輸、儲存、裝卸搬運、流通加工、配送） ，給出了系統總體框架；第二，在物流決策信息分析及3pldss數據關系描述的基礎上，選擇cals技術對數據庫進行管理，同時採用先進的信息分析技術為物流決策提供全面、完整的信息支持；第三，根據系統擬實現的功能開發模型庫，建立了六種數學模型，並給出使用模型決策的一般方法；第四，通過3pldss的人機交互系統實現與用戶對話；最後給出了一個比較成功的案例以說明信息系統對于第三方物流的巨大作用。Cbr systems have lots of strongpoints, such as the completely expressing of the information, the incrementally learning, the precisely simulating of the visualized thought, the conveniency of the obtaining knowledge, the h igh efficiency of solving new things and so on
Cbr的顯著優點有：信息的完全表達，增量式學習，形象思維的準確模擬，知識獲取較為容易，求解效率高等。本論文研究了貝葉斯網路、範例推理以及貝葉斯網路在範例推理中的應用。The theoretical research, computer simulation and experimental results analysis show that maskless laser interferometric lithography and holographic lithography have the characteristics of large field of view, high resolution, distortionless, relatively simple system structure, low costs and convenient realization way. they have a broad application prospect
激光干涉光刻技術研究四川大學博士學位論文理論研究、計算模擬和實驗結果分析表明，無掩模激光干涉光刻和全息光刻具有大視場、高解析度、無畸變、系統相對簡單、成本較低，實現方便等特點，具有廣闊的應用前景。In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local
本文首先對聚類分析的遺傳演算法進行了研究，討論了聚類問題的編碼方式和適應度函數的構造方案與計算方法，分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選取方法進行了分析和研究，提出了一種基於遺傳演算法的k - means聚類改進（混合聚類演算法） ，在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類數k ，用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心，最後在已知初始聚類數和初始聚類中心的情況下用k - means演算法對完整數據集進行聚類。由於遺傳演算法是一種通過模擬自然進化過程搜索最優解的方法，其顯著特點是隱含并行性和對全局信息的有效利用的能力，所以新的改進演算法具有較強的穩健性，可避免陷入局部最優，大大提高聚類效果。Based on the 3d geometry vision, using java3d, for each of worktable and sine welding seam part of sheet, the ve modeling experiments achieve the construct of macrostructure, security virtual thickness and virtual guide based on error, and accomplish the space restriction of robot running. via the structured laser sensor ’ s getting three - dimension information, the experiments achieve the modeling of sine welding seam part of sheet by using programming
在立體視覺傳感系統獲得三維信息的基礎上，利用java3d建模技術，分別對工作臺、薄板正弦曲線焊縫工件進行建模實驗，完成了虛擬環境中宏觀環境模型的建立，並根據誤差建立了安全虛擬厚度和虛擬向導，完成了對機器人運動的空間約束;通過結構光傳感器獲得三維信息，編程實現對薄板正弦曲線焊縫模型的建立。Chapter six introduces half - model test study of different parameters with ao effects utilizing the shack - hartman technology. chapter seven investigates the simulation technology for ao, mainly in 2 - d flow - field. this paper has a wide scope, ranging from theoretical foundation of ao to its engineering physics methods, from low temperature to high temperature that influence the index - of - refraction, from 2 - d to 3 - d ( density field ), from high speed to hyper - speed ( interceptor ' s speed ), from model test to numerical simulation ( optical phase measurement )
並進行了實驗驗證；第四章主要探討二維流場折射率的全息測量技術；第五章介紹了導引頭三維流場干涉測量的試驗方法和數據重構；第六章利用哈特曼傳感器技術對氣動光學效應各種參數進行了半模試驗測試研究；第七章是氣動光學的模擬技術，主要研究二維流場數值模擬技術。This dissertation is the expanding of the military project of ‘ 95 ’ advance research, a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ), named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability ". based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal, we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal. the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal, so that we could get a strong response of the target
本論文是『九五』軍事預研項目「低截獲概率雷達波形研究」的擴展與深入，同時結合國家自然科學基金項目「強探測強識別傳感器新型復合調制信號產生及處理」展開。在分析等概率分佈的fsk / psk復合調制信號的基礎上，構造了一種新的偽隨機fsk / psk復合調制信號及其非完全匹配處理的設計及模擬。設計的目的是能對偽隨機fsk / psk復合調制信號進行處理的處理信號，以期獲得對所探測目標信息的強探測。( 5 ) digital holograms of static particles and particle field ( multi - layer ) are recorded in the experiment. and the reconstructed particle images are gained using the envelope method with two different reconstructed waves - plane wave and spherical wave, respectively
（ 5 ）從實驗上拍攝了單層靜態粒子靶和多層靜態粒子靶的數字全息圖，並分別用平面波和球面波實現了該模擬粒子場的數值再現，得到了清晰的粒子像。Second, capital structure model exclude the index of information asymmetry. therefore the paper abandon the hypothesis of information symmetry and study how information asymmetry affecting capital structure choice of chinese listed companies by introducing information asymmetry into capital structure model controlling other determinants. base on this paper, we explain the determinants of capital structures choice of chinese listed companies from the new standpoint and understand fully the determinants of capital structures choice of chinese listed companies finally
為此，本文擬放鬆mm定理中信息充分的假設，將信息不對稱引入中國上市公司資本結構決策的理論模型中，定量研究信息不對稱對中國上市公司資本結構決策的影響程度，以從新的角度解釋中國上市公司資本結構決策的影響因素，從而對中國上市公司資本結構決策影響因素有了更加全面的認識。At last, we illustrate the imaging process of nonlinear medium by numerical simulation, and the image position and intensity are studied. at the same time, it is pointed out that a piece of nonlinear medium and high power laser beam can form a hologram system. for the first time, we found that a " dark image " ( or " cold image " ) may emerge along with a " hot image "
最後，我們研究了「熱像」的形成機理及其規律，用數值模擬的方法形象地說明了非線性介質的成像作用，提出了用非線性介質和高功率激光形成全息成像系統的概念和思路，豐富了「全息成像」內涵，同時，首次發現了亮像和暗像同時並存的現象。Compensating algorithm of phase - shifting error and its application in digital microscopy holography
餘弦擬合消除相移誤差在顯微數字全息術中的應用Chapter 4 : the influence of different phase - shifting angle of reference wave in recording, of the phase - shifting error and of the quantization error on the quality of the reconstructed image is investigated respectively in two - step phase - shifting inline digital holography. and an effective method of eliminating the phase - shifting error is presented, in which the summation of the intensity bit errors of the reconstructed image is taken as an evaluation function for an iterative algorithm to find the exact phase - shifting value. the feasibility of this method is demonstrated by computer simulation
通過數值分析不同相移角的選取對再現像的強度誤差的影響，發現再現像強度誤差依賴于記錄時相移角的選取，當相移角在一定范圍內，其再現像的強度誤差相對較小；提出了一種有效消除相移誤差的新方法，並將其應用於二步同軸相移數字全息，對此進行了計算機模擬，得到了很好的結果，證明該方法對于相移誤差的消除是很有效的；對量化誤差所作的數值模擬發現，當信號被量化成8比特（ bit ） ，即256個灰度級以上，量化噪聲的影響相對較小。Referring to rolling window theory, the robot path planning algorithm based on the information of sensors is studied. it can insure the robot arrive at the destination safely in globally unknown environment, especially with moving obstacles. the algorithm ’ s efficiency is validated by simulation results
借鑒滾動窗口的原理，設計了基於傳感器信息的實時路徑規劃演算法，保證機器人在未知動態環境下藉助傳感器信息能夠安全地到達目標點，利用模擬驗證了其有效性。Afterwards, in order to decrease the contradiction between the more complex and mass remote sensing image data and relatively slow speed of information extraction, an improved sfim image fusion method is proposed. this modified algorithm is on the base of sfim fusion technique, combines ihs method and sfim method and then replaces the former mean filter by an adaptive weighted mean filter. compared with the results of several common fusion techniques through a set of simulation tests between multispectral images and panchromatic images, it is proved that the new method can get an excellent result for the aim of improving spatial resolution while preserving the spectral information of multispectral images
論文的主要工作和成果包括：在像素層，論文研究了多傳感器數據融合理論及遙感圖像預處理的過程和步驟，歸納了多源遙感圖像像素層融合的常用演算法，並針對目前遙感數據呈海量化、復雜化這一發展趨勢同遙感信息提取的能力和效率滯后這一矛盾，在sfim演算法的基礎上，將ihs變換與sfim相結合，將原演算法中的均值濾波器改進為自適應加權均值濾波器，提出了一種改進的sfim演算法，通過對一組多光譜圖像和全色圖像的雙傳感器融合模擬對比試驗，證明了該演算法在保持原多光譜圖像光譜信息的同時，能夠有效提高融合圖像的空間分辨能力。Typical computer generated holography ( cgh ) and hologram synthesis that simulate typically optical holography need to compute a huge 2 - d holographic fringe, or to lose some 3 - d information and resolution to reduce data. the first real - time display of holographic images was reported in 1990 by the mit spatial imaging group. but this is still an open problem because view angle of holographic images, volume and speed of transmit are limited
傳統的研究集中在計算機生成全息圖（ computer - generatedholography ，簡稱cgh ）和全息圖綜合的方法上，採用模擬光全息的物理方法，從而導致數據量龐大，無法在現有硬體上完成實時處理，或者靠損失部分三維信息和解析度以減少數據量，但失去了真三維顯示的效果。Simulation and numerical reconstruction of auger electron holography
俄歇電子全息的計算機模擬研究和數值重現分享友人