點源陣 的英文怎麼說
中文拼音 [diǎnyuánzhèn]
點源陣
英文
point source array-
This text firstly wields theories and ploys as strategical administration matrix, balance - point of profit and loss, five competitory models and burgeoning strategical administr ation, which is to make a comparatively embedded analysis on broadband inside - and - out side condition including technical level, consumer characters, competitive status and mark eting status, etc, to bring forward available correspondence hypothesis of consumere and to put forward two ways - out for small - and - medium sized providers by swot matrix and big strategy matrix. one is gradualism retreat tactic. considering the particularity of broadband network industry, this text gives the design of gradualism retreat pattern. the other is incorporate strategy of scale domino and much more effective negotiationchip. especially, this text puts emphasis on discussion of incorporate implement methods, proposing to adopt the way of demanding contrast prise - fixing and output pluralism of products so as to induce the consumers to cut down marketing breeding periodicity, use crm to establish core competity for small - and - medium sized providers and simultaneously lay a foundation of next commingle dealing in this field
本文運用戰略管理理論中戰略管理模型、價值鏈、盈虧平衡點、五種競爭力模型、新興產業戰略管理、市場營銷學等思想理論和方法，對寬帶網產業內外環境（包括技術、競爭狀況、市場狀況等）進行詳細分析，總結了中小型寬帶網運營商在市場營銷、資源配置、經營成本、產品結構、政策管制等幾個方面的優劣勢，並析出其中的關鍵因素，運用大戰略矩陣、 swot分析矩陣，提出中小型寬帶網運營商一進一退兩種截然不同的發展戰略，即「漸進式退出」策略和「一體化」策略。But the signals mixture problem can be brought on by the drop of adaptive performance caused by using subarray and by overmany radiation sources. so bbs is used to solve the problem. this dissertation focuses on subarray architectures and the algorithms of ica, and proposes a new and more practical subarray architecture and a more suitable algorithm to separate radar signal
同時針對採用子陣法導致自適應性能下降以及現代雷達信號環境多個輻射源等問題引起信號混疊現象，論文採用盲分離來對雷達信號進行分離處理，並針對雷達信號的特點提出一種適用的演算法。The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases
該類演算法首先將陣列接收的寬帶信號變換到頻率域，然後對于每個頻率形成陣列接收信號協方差陣，最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角，其主要特點是避免了相位展開。As for it also has low working voltage and small power dissipation, it has became the ideal succedaneum of crt. furthermore, fed doesn ’ t need negative photo, large visual angle, wide working temperature extent
另外， fed不需背光、視角大、工作溫度范圍寬等優點也對目前平板顯示器的主流產品有源矩陣液晶顯示器提出了嚴峻的挑戰。We have contrasted several methods on fabrication of passive matrix oled, then we mainly discuss two fabricating methods, one is the precise mask method, the other is the barrier wall method. we find that the barrier wall method to fabricate the passive matrix oled ( pmoled ) has the advantages of high resolution, simple process and no crosstalking problem, so the barrier wall method is the good one to fabricate pmoled. in this paper we adopt the both methods, and we have successfully fabricated the pmoled
分析和對比了實現無源矩陣有機電致發光顯示器件的幾種方法，著重介紹了採用精密掩模技術和障壁技術等技術方案，來製作和設計無源矩陣有機電致發光顯示器件，其中採用障壁技術方案製作的器件具有解析度高、工藝簡單容易實現、器件的交叉效應少、成本低等許多優點，是一種可行的製作無源矩陣有機電致發光顯示器件的方案。The research works finished in this paper are listed below : 1. solving the problem in testing of cylinder vessels that the sensors disposition is very rigorous, carrying out study of freewill triangle network orientation and linear orientation, bringing forward the discriminance which distinguish the validity of orientation array using character string method the first time, at the same time, solving the problems that judgement of orientation array, elimination of camouflage location, avoidance of repeat location, etc. 1 '. carry ing out the study of the orientation of defects in stand lank floor with the method of freewill planar triangle orientation, advancing bran - new discriminance on the validity of orientation arrays, orientation points, and the disposing means of the acoustic sources near sensors and those near common border
本文進行的主要研究工作有： 1解決柱式容器檢測中傳感器排布要求較嚴格的問題，開展任意三角形網路排布檢測技術與線定位技術研究，首次提出了利用字元串格式判斷線定位陣列有效性的判別方法，並解決了任意三角形定位中存在的定位陣列判斷，偽定位的剔除，重復定位的避免等一系列問題； 2利用平面任意三角形定位方法開展常壓立式儲罐罐底缺陷定位技術研究，提出了全新的定位陣列有效性判斷、定位點的有效性判斷方法；以及頂點聲源和邊界聲源的處理辦法。The matrix of time and space for development of hydrogen energy system in china will instruct this work comprehensively, scientifically and objectively ; for beijing case and from all the aspects of energy, environment and economy, the best plan of hydrogen energy system about fuel cell vehicles is : hydrogen is produced by natural gas steam reforming in the central factory, then transported to the refueling stations in the hydrogen tube trailer by the trucks, and filled to the fcb using hydrogen gas
這一工作應在燃料電池汽車氫能系統發展時空矩陣的指導下有計劃、有步驟地完成；燃料電池汽車在我國最早實現商業化的時間是2008年（奧運會） ，地點是北京，車型是燃料電池公共汽車。針對這一案例，綜合考慮燃料電池汽車氫能系統「從井口到車輪」全生命周期的能源利用效率、環境影響和經濟性指標，最佳的方案是：在集中制氫廠採用天然氣蒸汽重整制氫，用汽車將裝有氫氣的高壓氣瓶輸運到氫氣加註站，加註給以氫氣為燃料的燃料電池公共汽車。The adaptive management problems of phased array radar resources are studied systematically. the main attributions are as follows : 1. firstly, the development of aewr ( airborne early warning radar ) and the operation modes of phased array radar are briefly introduced. the basic idea of the adaptive management of radar resources is expatiated according to its characteristic
本文對相控陣雷達資源自適應調度問題進行了比較系統、深入的研究，主要工作如下： 1 、簡要介紹了當前國內外機載預警相控陣雷達的發展現狀以及它的基本工作方式，並結合相控陣雷達的特點闡述了其資源自適應調度的基本思路。Its contact involving the national wall materials reform policy, environmental protection, energy - conservation and wastes utilization, trade trend, trade development, designmanufacturing engineering and application technology and so on. there is a reader network of the whole country. it is an integrative comprehensive professional authoritative periodical that collect skill, policy, academic, technology in one suit, with experience exchanging and trade information in brick and tile industry, is also one of the very influential publication in wall materials reform and building energy - conservations, comprehensive resource utilization and environmental protection field
磚瓦世界的問世，是業內的一件大事，我們期待業內外專家的點評，期待讀者朋友的批評指導，更期待社會各界的關心與厚愛，讓磚瓦世界成為推動中國墻材革新資源綜合利用節約土地資源節約能源節約水資源發展循環經濟的重要輿論陣地成為發布國家產業政策宣傳國家大政方針宣貫國家及行業標準宣傳企業的改革點評行業發展動態討論生產技術難點發表最新科研成果展示科技創新產品，交流國內外生產工藝技術裝備探討行業發展途徑與世界發展同步的強大輿論工具。And then, the paper analyses the reason engaged in the directional property of underwater acoustic transducer and array, discusses the physical parameter of the directional property. to point acoustic source equal spacing linear array, the dissertation makes experiment analysis and simulation
分析了水聲換能器及基陣指向特性形成的原因、表徵指向特性的物理參數，並針對點聲源等間距線列陣的指向性進行了數學、實驗分析與方針。Traditional delay estimation based on ica requires the trail sequences to initialize the receiver, but the new algorithm based on ica does not need the trail sequences. it is based on the channel character of downlink, using the ica algorithm to estimate the multi - path mixture matrix, then, find the delay information which is embodied by the column vector of the mixture matrix. the simulation results show that it does enhance the performance of traditional detector without wasting the invaluable frequency resource
傳統的通道估計演算法需要訓練序列使接收端的參數調整到理想狀態，而本文提出的基於ica的通道估計的多用戶檢測演算法不需要訓練序列，它是利用下行通道的固有特點，用ica的盲源分離法估計出多徑通道的卷積矩陣，從而從中提取出通道的延遲信息，模擬實驗結果證明這種方法在節省了頻譜資源的同時取得較好的估計效果，使得傳統的接收機的誤碼性能得到了很大的提高。They are vref, iref, current matrix, switch matrix, latch and decoder. vref, current matrix, switch matrix and decoder are the key parts in dac design. the errors caused by them are analyzed and suppressed in the paper
其中，基準電壓電路，電流源陣列、開關陣列和譯碼電路是整個設計的重點和難點，它們設計的好壞直接影響著dac電路特性的優劣。An appropriate cost function is constructed which avoids the use of the logarithm likelihood function that is lack of robust to the noise correlation, moreover, our method have many advantages such as, low complexity, suitable for coherence signals, etc
構造適當的代價函數，避免了對數似然函數的使用，該方法對色噪聲協方差矩陣特徵值分散具有穩健性，同時具有較低的計算復雜度和適用於相關甚至相干源等優點。The present paper has dealt with characteristics of the passive source electromagnetic array system as well as its tentative application in a copper ore district
摘要本文介紹被動源電磁陣列系統的特點及該系統在某銅礦區的應用試驗工作。At first, it is the analysis of the basic condition which including the key factors in the inner and outer circumstances, which were the basic conditions of the enterprise to constitute the developmental strategy. then the enterprise " developmental strategy were constituted on the basis of catching hold of reasonable chances, making full use of all kind of advantaged conditions and conforming outer resources as its unique resources. the enterprise " developmental strategy were strong extension real estate exploitation, deepening coast fathering, improving the third industry, entering into tour industry and stockbreeding, deepening the enterprise " inner administration
然後，論文在客觀分析了興茂集團的人力資源管理狀況、科學決策管理狀況、核心競爭能力、企業獨特資源優勢等內部環境之後，運用波士頓矩陣對企業現有產業進行分析，再運用ie矩陣著重對企業房地產業進行分析，最後運用swot矩陣對企業具體發展戰略進行分析，制定了企業的發展戰略及戰略目標：進一步加強房地產業的發展，深化滑坡治理業，提高第三產業，退出軋鋼、壓鋼業，逐漸退出廢品回收業，進入環保業、旅遊業和畜牧業，培育企業新的經濟增長點；同時，完善企業內部基礎管理，培育企業的核心競爭能力，實現企業的可持續發展。In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。Then the solving procedures of these bies by the rwg functions based moment method are elaborated, and the method of modeling complex objects built of arbitrary line, surface and volume structures is developed. in order to solve realize antenna and circuit problems, methods of adding excitations and concentrated loadings with moment method are deceloped, and matrix pencil ( mp ) method is used to deembeded the s prameters of antennas and circuits from the computed current distribution. some numerical results of practical complex antenna and scattering problems are presented to illustrate the veracity and effectiveness of the method
在第一部分中，首先從電磁場的基本理論出發，基於等效原理和邊界條件以統一的方法建立了用於分析金屬、介質及金屬與介質混合結構的邊界積分方程，並歸納和比較了各類積分的適用范圍和優缺點;在此基礎上，給出了使用基於rwg函數的矩量法求解各種邊界積分方程的一般過程;研究了具有任意線、面、體組成的復雜結構的電磁建模方法，並給出了各種多面連接情況下基函數和未知量的選取方法;研究了使用矩量法分析電路、天線問題時集總元件和激勵源的處理方法，並基於矩陣束方法（ matrixpencilmethod ）提取了電路和天線問題的s參數;最後通過分析一些工程中的復雜金屬天線問題和具有「金屬與介質混合結構」的散射和天線問題驗證了方法的準確性和高效性。The energy transmission along the axes is accord with the academic calculation. under simultaneity driven, the energy radiated by point source array increasing according to cell number is proved by experiment
超短脈沖單輻射器軸線上能量傳播的實驗與理論曲線幾乎一致，同步激勵時點源陣輻射的能量按單元數平方律增加得到了較好的實驗驗證。One has to set up a point source in the far field and rotate the system in the fan beam direction. the difficulty is mainly due to the incomplete test environment
但是，測量g矩陣不是一件很容易的工作，必須旋轉儀器掃描遠場的點源得到，測試條件要求比較苛刻。Point - sourc reflector radiator and point source array radiator were adopted to study experimentally the transmission property of ultra - short pulse
採用了點源?反射面型及陣列型輻射器對超短脈沖的輻射特性進行了實驗研究。分享友人