積寬法 的英文怎麼說
中文拼音 [jīkuānfǎ]
積寬法
英文
width－integrating method-
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
本文就曲線寬頻帶線天線的數值分析方法展開研究，首先介紹了寬頻帶天線的發展，實現天線寬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程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程（ mei 』 s方程） ，討論了不同基函數下方程的數值解法。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
這種方法的積分方程的積分核里含有復雜的微積分運算，為了簡化計算，本文在推廣的海倫積分方程的基礎上，對方程進行了簡化，推導了nakano方程，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寬頻帶特性，所得的結果均與參考文獻吻合很好。The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。Some new working contents appear, such as purchase and classification, availability on exchanging books, document transmission and so on, especially the development of digital reference system. at the same time, the development of mass medium also promotes the digitized process of library and the enlargement of the range of the information users. and in order to meet the challenge and the influence of mass medium, library also takes some active measures and tactics
面對大眾媒介的影響和挑戰，圖書館也採取了積極的措施和策略，如轉變觀念，加強競爭意識，了解用戶需求，建立知識管理系統，減少信息獲取的時空障礙，拓寬信息資源的類型，擴大資金來源的渠道，利用大眾媒介宣傳自己，實施名牌戰略，建立圖書館協會或聯盟等方法。The method that the fuzzy optimal model is changed to ordinary optimal model by the optimal level cut sets is interpreted. as the model is a mathematical model of multi - objective optimization on minimizing volume and minimizing tooth width, the method that a multi - objective model transformed into a single - objective model is introduced
論文闡述了通過最優水平截集法實現模糊優化模型向常規優化模型轉化的方法，由於該模型是一個以體積最小和齒寬最小為優的多目標優化設計模型，論文詳細討論了多目標優化模型向單目標優化模型轉化。We discussed common methods of digital deconvolution and analyzed effects of noise on it. then, we simulated digital deconvolution filters and optimization criteria of filtration parameters. after that, we gave the application of them in the frequency band extension technique
首先，介紹了數字反卷積的常用方法及噪聲對數字反卷積的影響；然後，研究了常用的數字反卷積濾波器及濾波參數的優化準則；最後，給出了數字反卷積在頻帶展寬技術中的應用。The condition under which higher - order dispersive effects can be neglected is also discussed with numerical examples. 6. based on the fourier optics, the focusing of ultrashort pulses by a silica lens in both cases of constant beam waist and constant diffraction length is studied considering dispersion of first, second and higher order, respectively
6 ，使用傅立葉積分變換法，在考慮透鏡色差和高階色散效應的較為一般情況下，分別研究了等束寬超短脈沖高斯光束和等衍射長度超短脈沖高斯光束通過硅玻璃透鏡的聚焦特性。The tasks of the csc are to use legal and economic means to manage the affairs of the chinese citizens studying abroad and of the foreigners studying in china, take charge of the management and utilization of china scholarship, determine the relevant assistance projects and modes, formulate management regulations and put the scholarship to best use ; manage the bilateral and multilateral exchange or unilateral scholarships between china and other countries ; manage other matters concerning educational exchanges and scientific and technological cooperation on behalf of relevant organizations, insitutions nad individuals inside and outside china ; provide financial support to the projects conducive to the development of chinas education and its friendly relations with other countries ; strive for donations from home and abroad, expand the sources of the scholarship and increase the scholarship ; establish contacts with its counterparts at home and abroad and carry out exchange and cooperation with them
基金委的任務是，用法制和經濟手段管理出國留學和來華留學事務負責管理使用國家留學基金，確定有關資助項目與方式，制定管理規章，發揮基金使用效益受委託管理各項與國外雙邊多邊交換或單項獎學金，並接受境內外有關組織機構和個人的委託，管理有關教育交流和科技合作方面的其它事務，資助有益於發展中國教育事業和對外友好關系的項目爭取境外捐助，拓寬基金來源，增加基金積累與境內外相應機構建立聯系，開展交流與合作。Test method for measuring length, width, and squareness of sheeted paper and paper products
鋪開紙張和紙製品的長度寬度和面積測量方法By the terms of material culture, politics culture and spirit culture, the paper discusses that higher colleges should explore actively effective methods of enhancing education of thoughts and politics for college students, and widen working ideas, and innovate working methods, and focus on overall development of college students, and conduct quality education deeply, and guide college students to learn excerpts of mankind civilization, in order to develop them into reliable socialist constructers and successors with national ideal, traditional chinese merits, social sense of responsibility, team working spirit, honesty, perseverance, compressive quality, virtue, wisdom, health and arts
文章從物質文明、政治文明和精神文明方面，論述了高校要積極探索加強大學生思想政治教育的有效途徑，拓寬工作思路，創新工作方法，以大學生全面發展為目標，深入進行素質教育，努力學習人類優秀的文明成果，使學生成為一個有民族理想、中華傳統美德、社會責任感、團隊合作精神、誠信、意志力、有綜合素質和能力的德智體美全面發展的社會主義事業的合格建設者和可靠接班人。The non - aliasing frequency and non - ambiguous 2 - d angles is obtained by the phase characteristic of eignevalue and integral search method in this dissertation, an algorithm of spatio - temporal 2 - dspectra estimation based on 4th - order cumulants was introduced and used to realize a prototype scout, a calibration algorithm in the wide - band array system is proposed
本文主要介紹了基於四階累積量的時-空二維譜估計演算法，並以此為基礎來實現時頻空三維偵察機；寬頻段陣列系統各種誤差參數的校正演算法，實驗系統的硬體驅動程序的開發和應用軟體的開發。Our group has prepared nanometer - scale metal films in layer structures on glassy carbon ( gc ) substrate by cyclic voltammetric deposition. by using co as probe molecule, we have revealed for the first time, abnormal ir effects ( aires ) on these layer nanostructured films. the alres consists of several abnormal ir features including the enhancement of ir absorption, the inversion of ir band direction ( anti - absorption ), and the increase of fwhm ( increase of the number of different adsorption sites )
本研究小組採用電化學循環伏安電沉積法在gc基底上制備層狀納米結構金屬薄膜，以co作為分子探針，觀察到異常紅外效應（ aires ）光譜特徵，即co等探針分子發生紅外吸收增強、紅外譜峰方向倒反（反吸收）和譜峰變寬（振動能級離散程度增加） 。The improvement can also be used to correct total differencial and integral errors caused by pre - amplifier, linear amplifier, shaping circuit, peak stretcher and holder as well as adc at the same time
這種方法也可校正由前置放大器、線性放大器、成形電路、峰展寬電路和模數變換電路等共同造成的微分非線性和積分非線性。The article has researched the intention of agricultural industrialization which is guided by market and mainstay enterprises, based on agricultural product base organized by a lot of families, and characterized by joint management and mutual benefit. it also realized production specialization, product commercialization, service socialization and etc. the article has also researched the existing conditions of agricultural industrialization both at home and abroad. although it is different in national conditions and actual practice, the developed countries follows the market economic law and naturally steps on the road of agricultural industrialization. as the continuous reforming and opening up, china actively explores and enhances the management level of agricultural industrialization. the writer uses system changing theory, scale management theory, trade expense theory. market system theory and industrial economics theory, to put forward the main type of mainstay enterprises, which is divided by ownership, organization form, contact form and product. the writer thinks that development of mainstay enterprises can promote effective joining between small production and big market, the developing of high - benefit agriculture, establishing trade / industry / agriculture operation system, region economics and joining process between urban area and rural area. the existing conditions in strengthening the mainstay enterprises in zhaoyuan embodies continuous expanding in scale. continuous widening in fields, continuous enhancing in benefits, continuous improving in techology and quality. by finding the problem and shortage in product quality, developing ability and scale strength, the article has put forward the following views : face to market and enhance quality and techological content of agricultural products ; enforce flexible policy and investments ; establish fair and reasonable benefits joining system. the article has also put forward the countermeasures and suggestions on enhancing the enterprises ' management level
文章研究了農業產業化經營的內涵，明確其以市場為導向、以龍頭企業為依託、以一大批農戶組成的農產品生產基地為基礎，形成農工商有機結合、風險共擔、利益均沾的本質特點，表現出生產專業化、經營一體化、企業規模化、產品商品化、服務社會化等特徵。分析了國內外產業化經營的現狀，認為盡管各國的國情不同，具體的做法和叫法不盡相同，但是經濟發達國家都遵循市場經濟規律，很自然走上了農業產業化經營的道路，發展中國家紛紛仿效，中國也隨著改革開放不斷深入，積極探索發展提高農業產業化經營水平。作者運用制度變遷理論、規模經營理論、交易費用理論、市場機制理論和產業經濟學理論，提出了龍頭企業從所有制形式、從組織形式、從聯系方式及從產品上劃分的主要類型；認為發展龍頭企業有促進小生產與大市場的有效對接、推動優質高效農業縱深發展、建立貿工農一體化運行機制、振興區域經濟、加速城鄉一體化進程等作用；考察了招遠市壯大龍頭企業推進農業產業化的現狀，表現在規模不斷擴大、領域不斷拓寬、效益不斷提高、技術不斷改進、質量不斷提高等方面；找出了龍頭企業產品質量上、開發能力上、規模實力上和行業自律上的問題和差距，提出了要面向市場，努力提高農產品的質量和科技含量，多策並舉，搞活投入機制，建立公平合理的利益聯結機制，加強行業自律，提高企業經營管理水平等對策和建議。Meanwhile, the relatioship between al ' s width of emitter and collector current, which called " extended electrode enhancing current ", has been presented
同時，也給出了大面積鋪鋁的橫向pnp管中發射極電極鋁條寬度與集電極電流的關系，稱之為「電極擴展增強電流法」 。Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device
本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究，研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論，推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝，在玻璃表面上製作了一塊面積為70mm 70mm ，線寬為5 m ，線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用，而且不影響精確制導的紅外線高效透過。To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +
為了對多普勒天氣雷達的回波信息（包括強度、徑向速度和速度譜寬）進行加工、計算和處理，本文根據南京氣象學院在天氣雷達方面的長期研究積累，同時借鑒其他國內外先進的天氣雷達產品的演算法，結合我國氣象業務應用的要求，對多普勒天氣雷達的氣象產品（組合反射率因子、任意垂直剖面、等高平面位置顯示、垂直累積含水量、弱回波區顯示、 vad垂直風廓線等）進行工程化設計。Taking erectophile type continuous vegetation as a example, authors had done many monte carlo simulations, and established empirical analytic expressions of radiances with component temperature, soil emissivity and leaf area index. empirical analytic expressions were used to construct objective function and genetic algorithm was employed to synchronously retrieve 5 parameters, such as component temperature, soil emissivity and lai, from thermal infrared 2 channels and 2 angles data. many experiments of genetic algorithm inversion from simulated data were conducted, results show that it is very robust to retrieve component temperature using genetic algorithm ; genetic algorithm can cope with uncertainty inversion problem pretty well if full advantage of priori knowledge was taken. comparison between inversion results and ground - truth data has been done. this paper offers a new example to retrieve component temperature from multi - channel, multi - angle thermal infrared data based on the model of directionality of thermal radiance
在熱輻射方向性規律的基礎上，以喜直型連續植被為例，進行了大量的monte carlo模擬，建立了輻射亮度和組分溫度植被葉面積指數及土壤比輻射率之間的經驗函數關系。採用遺傳演算法，從熱紅外2個波段2個角度數據中，同時反演混合像元組分溫度土壤比輻射率和葉面積指數等5個參數。通過對模擬的觀測數據進行大量的遺傳演算法反演試驗，結果表明，遺傳演算法反演組分溫度非常穩健，在寬松的先驗知識條件下，遺傳演算法可以解決不確定性反演問題。Along the medial axes with the same steps, we can get the average integral gray profile and the width profile. 3. karyotype classification of chromosome : according to the chromosome ’ s geometrical parameters, the karyotype classification are realized through the normal bayes classifier or fuzzy clustering based on the character of average integral gray profile
利用染色體的中線等步長提取平均積分輪廓和寬度輪廓; 3 、染色體的核型分類:利用染色體結構參數即其灰度輪廓通過正態貝葉斯分類器或採用模糊聚類的方法來實現染色體的對號分類。The voice learns acoustics is a the door almost is difficult then catch to touch, unfathomable knowledge. many in the last yearses, acoustics expert are all the fee devote to think to search most ideal comparison, and also is to develop a fever a " gold comparison " in the. as for each expert of " gold comparison " all there is different way of speaking, among them reach an i compare to incline to, that be 0. 618 : 1 : 0. 618, also is high 8 chinese foots, breadth 13 chinese foot, long 21 chinese foots, space physical volume 2, 184 square foot
聲學acoustics是一門幾乎是難以捉摸，莫測高深的學問。多年來， acoustics專家都費盡心思找尋最理想的比例，也就是發燒友口中的"黃金比例"了。關于"黃金比例"各專家都有不同的說法，其中有一個是我比較傾向的那就是0 . 618 : 1 : 0 . 618 ，也就是高8尺寬13尺，長21尺，空間體積2 ， 184平方尺。分享友人