程文寬 的英文怎麼說

中文拼音 [chéngwénkuān]
程文寬 英文
wenkuan cheng
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : Ⅰ名詞1 (字) character; script; writing 2 (文字) language 3 (文章) literary composition; wri...
  1. The thesis focus on the numerical analytical method of curved broadband wire antennas. first, the paper introduced the development of broadband antennas, the common measures to broaden antennas " bandwidth and the study on curved antennas. second, the generalized halen integral equation ( mei ' s equation ) was derived based on the three basic equations of wire antennas by two means and its numerical solution method was discussed

    就曲線頻帶線天線的數值分析方法展開研究,首先介紹了頻帶天線的發展,實現天線頻帶的常用方法和曲線天線的研究現狀,然後在直線加載天線滿足的方的基礎上用兩種方法推導了曲線天線滿足的推廣的海倫積分方( mei 』 s方) ,討論了不同基函數下方的數值解法。
  2. It is the key of ebfs, therefore, furthermore calculation about link are carried out in this thesis, introduced achieved research, summarized the affect of link on whole capability in the first, the second, numerical calculation are proceeded on link with ansys : with the purpose of discussing yielding mode critical length of link, established five different specimens ; with the purpose of discussing the influence of h / tw of web, b / tf of flange and h / b, established eighteen different specimens ; with the purpose of discussing the affect of stiffener, established four different specimens, and elaborated the affect of stiffener on link based on achieved test researches

    因此,本對耗能梁段進行進一步計算分析,概述耗能梁段對整體性能的影響,並利用有限元序ansys對耗能梁段進行數值計算:針對耗能梁段的屈服類型建立5種不同長度的模型,計算討論耗能梁段屈服類型的長度劃分;針對耗能梁段腹板高厚比、翼緣厚比以及梁段截面形狀等因素共建立了18種模型進行計算分析;針對加勁肋對耗能梁段的作用建立了4種模型,並結合已有的試驗闡述了加勁肋對耗能梁段的影響。
  3. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方的積分核里含有復雜的微積分運算,為了簡化計算,本在推廣的海倫積分方的基礎上,對方進行了簡化,推導了nakano方,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的頻帶特性,所得的結果均與參考獻吻合很好。
  4. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶有限且復雜多變,而各種音頻數據又日益增多的局面,本研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。
  5. The seismic signals detected enabled the determination of the epicentres of intense earthquakes when analysed with data obtained by seismographs in other countries. the long - period seismometer now in use at the hong kong observatory headquarters has been in operation for nearly 50 years, since the international geophysical year of 1958

    香港天臺計劃明年購置一臺頻地震儀取代長周期地震儀,令地震波的分析及地震定位更精確,亦可收集更豐富的地震數據供建築工界使用,頻地震儀對0
  6. In chapter 2, the pcss are manufactured and two technics are introduced. the practical flow is given. meanwhile the linear operational mode and nonlinear operational mode of pcss are analyzed in chapter 3, after simulating time - space distribution of electron and hole in photoconductor, the relations of laser energy, laser character and photoconduction are analyzed and the fundamental principles of nonlinear phenomenon is introduced

    在第一章中,介紹了本論的研究背景,簡要回顧了超帶光導脈沖源的發展歷史,同時概括了本論的主要工作。在第二章中,介紹了光導開關的製作及工作原理,詳細闡述了實際的加工流,並分析了其線性和非線性兩種工作模式。
  7. This article puts forward a solution named divide - assemble by deducing the size of bp neural network to overcome entering the local best point, the dividing process is that a big bp neural network is divided into several small bp neural networks, every small bp neural network can study alone, after all small bp neural networks finish their study, we can assemble all these small bp neural networks into the quondam big bp neural networks ; on the basis of divide - assemble solution, this article discusses the preprocessing of input species and how to deduce the size of bp neural network further to make it easy to overcome entering the local best point ; for the study of every small bp neural network, this article adopts a solution named gdr - ga algorithm, which includes two algorithms. gdr ? a algorithm makes the merits of the two algorithms makeup each other to increase searching speed. finally, this article discusses the processing of atm band - width distribution dynamically

    從bp網的結構出發,以減小bp神經網路的規模為手段來克服陷入局部極小點,提出了bp神經網路的拆分組裝方法,即將一個大的bp網有機地拆分為幾個小的子bp網,每個子網的權值單獨訓練,訓練好以後,再將每個子網的單元和權值有機地組裝成原先的bp網,從理論和實驗上證明了該方法在解決局部極小值這一問題時是有效的;在拆分組裝方法基礎上,本詳細闡述了輸入樣本的預處理過,更進一步地減小了bp網路的規模,使子網的學習更加容易了;對于子網的學習,本採用了最速梯度? ?遺傳混合演算法(即gdr ? ? ga演算法) ,使gdr演算法和ga演算法的優點互為補充,提高了收斂速度;最後本闡述了用以上方法進行atm帶動態分配的過
  8. The intelligent inspect system for roof slts in shenzhen citizen center is selected as a practice engineering background in this paper, the structure is a new political and cultural center and a symbolic architecture in shenzhen which overall structural area is 2. 1 million square meter, the roof is the largest space lattice in the world which is 486 meter long and 154 meter wide

    以深圳市民中心為實際工背景,深圳市民中心是深圳市新的政治化中心和標志性建築。其總建築面積近21萬平方米,大屋頂空間網架結構長486米,154米,是迄今為止世界上最大的網架結構。
  9. Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation

    針對以上問題本做了以下一些工作並得到若干結論: ( 1 )提出了「復合雙層地基」的概念,並通過工實例證明此概念的提出有其合理性和必要性; ( 2 )用彈性地基梁理論證實了復合雙層地基確有應力擴散效應,且擴散效應隨上覆硬層厚度、剛度的增加而增大,隨下臥層基床系數的增大而減小; ( 3 )建立了非線彈性、各向異性有限元模型,並以此為基礎分析了復合雙層地基的應力擴散效應,得到附加應力系數隨加固層厚度、度、剛度的增加而增大的結論; ( 4 )推導了可用於常規計算的復合雙層地基應力擴散系數公式,並代入工實例進行了驗證。
  10. The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher. ( 4 ) antiplane surface motion of the underground circular soft inclusion and the underground homogeneous soft interlayer is investigated in this paper. the results indicate : surface displacement amplitudes just above the soft inclusion of small depth - to - width ratio is amplified and soft interlayer of small depth - to - thickness ratio is amplified to a certain degree, and moreover, the latter is lower limit of the former

    結果表明:垂直入射時,小深比軟夾塞上方地表位移幅值有較大的放大,小深厚比軟夾層的地表位移幅值也有一定的放大,且後者為前者的下限;波接近掠入射時,軟夾塞正上方地表點和軟夾層的中國地震局工力學研究所碩士學位論一地表位移幅值都沒有放大,而軟夾塞迎波面一側地表點的位移幅值會有一定的放大;軟夾塞上方的地表位移運動有較強烈的扭轉效應,且此扭轉效應隨入射波頻率的增高而增強。
  11. This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed

    主要做了以下工作: ( 1 )闡述了設備診斷技術的發展過及發展趨勢,提出了應結合實際對機電設備進行系統診斷的新的技術思路,用實踐證明了應當拓設備診斷技術應用的范圍,使設備診斷技術既可以在設備管理和設備維修中得到應用,也可以用於新產品的設計改進及開發等; ( 2 )探討了振動的類型及振動信號的處理方法,設備狀態識別常用的方法,監測與診斷系統的基本構成與發展趨勢; ( 3 )介紹了國內外破碎機的發展趨勢,以及雙轉盤沖擊破碎機這一新產品的結構和特點,並根據試機過中出現的故障,建立了故障樹,並導出了導致故障發生的各種基礎事件; ( 4 )研究了臨界轉速的計算方法和原理,用傳遞矩陣法計算出了破碎機內轉盤的臨界轉速。
  12. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本根據量子力學原理,在考慮如下物理過和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方組。
  13. M. e. tigar and m. r. levy , op. cit. , pp. 261 , ff. cf. s. f. c. milsom , historical foundations of the common law ( 2nd ed. ) , butterworth & co. ltd. , 1981 , pp. 37ff

    關于利用序來鉆實體法的漏洞,使財產權從佔有向流通、交換方面轉化的事例,可以參見黃仁宇《放歷史的視界》 (允晨化實業股份有限公司、 1988年) 125頁以下。
  14. M. e. tigar and m. r. levy , op. cit. , pp. 261 , ff. cf. s. f. c. milsom , historical foundations of the common law ( 2nd ed. ) , butterworth & co. ltd. , 1981 , pp. 37ff. [ 52 ] id. , pp. 271 - 272

    關于利用序來鉆實體法的漏洞,使財產權從佔有向流通、交換方面轉化的事例,可以參見黃仁宇《放歷史的視界》 (允晨化實業股份有限公司、 1988年) 125頁以下。
  15. Also, the thesis calculate and analysis the transverse deflection of steel box girder deeply in multiple factors. firstly, the article introduced the calculative methods and theory of local stress and strain of bridge structure. then program software system of finite element method was introduced. after that, the influential factors to the calculatial result and their values were analysed and suggested

    首先介紹了橋梁結構局部應力應變計算理論和方法,對有限元計算序進行了介紹,然後分析了縱橫隔板設置、梁高及梁變化等因素對鋼箱梁橋面板在恆載作用下的橫向撓度的影響,並將這些計算結果進行對照分析,從而找出了影響橋面板橫向撓度的主要影響因素,並得出了相應的數值可供工實踐參考。
  16. In order to make up the deficiency, the science workshop datalogger made in the u. s pasco company has been used in this dissertation. the advantage of the datalogger has been extruded by the research of experiments for verification, inquiring experiments and application experiments which worked in the catalogue of the new physics courses for teaching. as a result, a fine acuity perceptional and observational ability of student will be developed, a cognitive framework will be improved, the space for investigative learning will be enlarged, multiple intelligences will be optimized and brain memory structures will be consolidated if the datalogger has been used in teaching physics experiments

    數據採集器作為一種現代化設備運用於物理實驗教學,國外的研究資料已證明具有巨大的優勢,而國內才開始起步還沒有形成一個系統,為了彌補不足,本採用美國pasco公司生產的scienceworkshop數據採集器系統設計實驗,從教學角度出發並配合物理新課的總目標,分別從驗證性實驗、探究性實驗、應用性實驗三方面設計實驗,突出了數據採集器的優勢:即培養學生精細敏銳的感知和觀察能力,改善學生的認知結構,拓學生探究性學習的空間,優化學生的多元智力和強化學生的大腦記憶結構。
  17. Location : nguyen van linh st. distr. 7, hcmc work description : 17. 8km long, 10. 5m wide two lane road, including 10 nos. bridges with overall 1450. 8 meter

    南西貢大道工位於胡志明市阮靈大道。工包括17 . 8公里長10 . 5米道路和全長1450 . 8米的橋梁。
  18. We apply the agrawal ' s theory model of soa, and study the temporal characteristics of the output pulse for input picosecond optical pulses with different sharpness edges passing through a semiconductor optical amplifier, and find that the peak power and the pulse width of the output pulse depend on the input pulse peak power, the sharpness degree of the input pulse edge and the bias current of soa

    應用agrawal的關于soa理論模型,詳細研究了具有不同陡峭邊沿的皮秒超高斯光脈沖經soa后的時域特性的變化,發現輸出脈沖的峰值功率、脈沖度與輸入脈沖的峰值功率、輸入脈沖邊沿的陡峭度以及soa的偏置電流密切相關。
  19. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加、河口門分汊、鹽水造成絮凝等,本報告主要對口門加,口門西妥理工大學工碩士專業學位論分漢對河道淤積的影響進行了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  20. This subject aim at designing a series of several octaves band and low noise figure middle power mini - package amplifer which frequency include 1 - 8ghz 、 1 - 18 ghz and 5 - 10ghz band, using non - packaged gaas phemt and mic technology, under the basic of analyzing and searching broadband matching technology

    所報道的系列微波放大器具有多倍頻、低噪聲、中功率、微封裝等特性,工作頻段包括1 - 8ghz 、 1 - 18ghz 、以及5 - 10ghz 。
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