極化雙工 的英文怎麼說

中文拼音 [huàshuānggōng]
極化雙工 英文
polar duplex
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ形容詞1 (兩個) two; twin; both; dual 2 (偶數的) even 3 (加倍的) double; twofold Ⅱ量詞(用...
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • 極化 : [物理學] polarization; overpotential; overtension; polarity極化器 polarizer; 極化強度 intensity o...
  1. The characteristics of various solid - state power - combining techniques and the principles of the waveguide - based power combining structure are compared and analyzed in detail. the power combiner is based on a double antipodal finline - to - microstrip transition structure. the proposed 2 2 combining structure is optimized by using 3 - d fields simulation tools cst

    主要內容為: 1 .研究和對比了各種固態功率合成技術的特點,詳細地分析了波導基空間功率合成器的作原理,提出了一種基於鰭線-微帶過渡的2 2路毫米波功率合成器結構,藉助三維場模擬軟體cst對該無源網路進行了優設計。
  2. Electrode materials have effects on properties of electrochemical capacitor, many carbonaceous materials such as active carbon, pyrolytic carbon, active carbon fiber and carbon nanotube were mainly used in electric double - layer capacitor. because of synthetic conditions and cost, we studied their electrochemical properties of electronic double - layer capacitor that pyrolytic carbon was used as their electrode materials

    材料是影響電學電容器性能的主要因素之一,應用於電層電容器的電活性物質主要是各種碳材料,如各種活性炭、熱裂解碳、碳纖維、碳納米管等,考慮到合成藝和成本因素,我們採用熱裂解碳為電層電容器的電材料,並研究了它們的電學性能。
  3. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中水汽衰減效應變很大;即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達反射率的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的能力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的含水量垂直分佈; ( 5 )為了獲得從薄到濃厚雲的垂直分佈探測能力,未來測雲雷達系統最好採用波長甚至三波長(如94 、 37和13ghz ) 。
  4. And invoking floquet theorem, the problem domain can be reduced to that of a single cell. in the two outer regions, the solutions have been accessed by the mm method

    為解決高功率微波系統中目標跟蹤和高功率微波發射共用一部天線的問題,引入極化雙工柵。
  5. So, this paper that is based on the their own characteristics and their status, discusses the salary system ’ status and problems of the middle and small - scale iron and steel enterprise, and point out some new creative thoughts according to the compensation rules of the shuicheng iron & steel group company and nanjing iron & steel united co., ltd. in the principle which retaining and motivating the key staff is mainly and recruiting the employees from the external is supply, we should do seriously the job analyze and post appraisal, and adopt the market pay level which is the hybrid policy. in the additions, in the guidance of the hierarchy of the need theory, takes the deference measures to design the compensation structure according to the executive 、 the middle and low level manager 、 technicians and operative employee doing the contributions to the enterprise, adjusts the ratios of fixed wages and variable wages, uses the annual salary system for the executive, implementing the dual ladders to the managers and the technicians

    為此,本篇論文主要是根據中小鋼鐵企業的自身特點,論述了中小鋼鐵企業的薪酬體系的現狀和存在的不足,並結合水城鋼鐵(集團)公司和南京鋼鐵聯合有限公司兩家鋼鐵企業的薪酬制度,提出了相應的創新思路,即在以留住、激勵關鍵人才為主,以外部招聘員為輔的思想指導下,認真做好作分析、崗位評價作,採取混合政策的市場薪酬水平,同時,在需求層次理論的指導下,根據經營管理人員、一般管理人員、技術人員及操作人員對企業的貢獻不同採取了不同的薪酬結構設計,調整了特殊人群的固定資和浮動資的比例,對經營管理人員實行年薪制,對技術人員和管理人員實行「梯制」的職業發展通道,從而確保了薪酬制度的公平性、經濟性、激勵性,不同程度地鼓勵了企業特殊人才的作積性和主動性,優了企業的制度,提高了企業的核心競爭力。
  6. Although non - binding in legalistic terms, the mou acts as an expression of both parties genuine interest to explore opportunities for future co - operation. the mou signifies a positive step forward in developing a close and long - standing relationship between hong kong and korea and paves the way to the creation of a strengthened regional forum for the advancement of personal data protection which recognizes the realities of diverse legal systems and cultural backgrounds

    雖然諒解備忘錄並無法律約束力,但卻代表了方加強日後合作的真誠意願,顯示香港和韓國正積建立彼此的緊密及長遠合作關系,顧及了彼此在司法制度及文背景方面的差異,更為提高區內保障個人資料的作奠下了一個穩固的基礎。
  7. The solution of the interior problem has been obtained by the fem method. ensuring the continuity of the tangential electric field across the aperture plane, the electromagnetic e and h has been gained

    分別採用有限元法和矩量法分析封閉腔體和半無限空間的電磁場,在孔徑面上進行邊界條件匹配,從而得出極化雙工柵中的電磁場特性。
  8. Due to two work states - - - arc burning and short current - - - existed in welding process of consumable electrode welding, and different control objectives in these two states, two close - loop feedbacks are designed in the control system : welding voltage feedback and welding current change rate feedback

    根據熔co2焊機具有燃弧和短路兩種作狀態,且兩種狀態下控制目標不同的特點,在控制系統中設計了閉環反饋:焊接電壓反饋及焊接電流變率di / dt反饋。
  9. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體作可以概括如下:首先,研究了vcsel的熱場特性,分析了電流擴展,材料參數和作條件對于溫度分佈的影響;其次,從電電壓入手,計算出激光器中的等勢線分佈,並對不同深度處的電壓和電流分佈進行比較,研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響;再次,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈,分析了溫度和載流子濃度變對折射率、費米能級和光場的影響;最後,給出了考慮n - dbr和限制層時激光器中的等勢線分佈,分析了n - dbr和限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。
  10. Applied on opening of medium to heavy cartons, double corrugated paper cartons. it has a super high speed of untying, suitable for automation procedure, also suitable for incline opening

    用於中等至重型紙箱,層瓦楞紙箱的撕口,適用於業自動序,具高的解卷速率,同樣試用於斜面撕口。
  11. Raised the idea of constructing hybrid capacitor with a battery based positive electrode and a capacitor based negative electrode, experiment proved that a hybrid supercapacitor with a manganese dioxide based positive electrode and an activated carbon based negative electrode showed very good performance, double electrode specific capacitance could be enhanced to 95. 7f / g, that is 2 ~ 3 times that of the carbon based supercapacitors. furthermore, the maximal voltage of a single cell could be expanded to 1. 5v, as a result, the energy density could be ten times higher than that of a carbon based supercapacitors

    本論文中我們提出了將電池哈爾濱程大學碩士學位論文的正與電容器的負結合成混合超級電容器的構想,並成功實現了二氧錳正和活性炭負的組合,構成的錳碳混合超級電容器比容量可達到95 . 7f / g ,比活性炭超級電容器提高了2一3倍,單體作電壓可以高達1 . 5v ,從而使能量密度提高到碳基超級電容器的十倍。
  12. Solid laser pumped by semiconductor laser has the advantages of laser diode and solid laser, so it develops rapidly in recent years and gets the extensive application in the fields of military, communication, processing and scientific research, etc. in order to meet the demands for laser power of semiconductor solid laser pump solid yag laser, i synthetically adopt the singlechip digital automatic control technology which is extensively used in the intelligent instruments, products of electromechanical integration and automatic control system, lcd technology, pc switch technology and steady voltage, invariable current technology

    半導體激光泵浦的固體激光器由於兼有了激光二體和固體激光器的重優點,近年來得到迅速發展,並在軍事、通訊、加和科研等領域中得到廣泛的應用。本文針對半導體固體激光器泵浦固體yag激光器系統對激光電源的要求,並且綜合運用了當前在智能儀表、機電一體產品、自動控制系統中應用廣泛的單片機數字自動控制技術、 lcd顯示技術、 pc開關技術及穩壓、恆流技術,研製了脈沖半導體激光電源。
  13. According to the reciprocal characteristic of dual - mcde reciprocal ferrite phase shifters, the antenna only requires to provide the sa : lle beams of operation between the trtinsmit and receive beams. in addition, 1he phased shifter can operate in various polarizations such as linear polarization or circular polarization, which is adiipted to the development of modern ra ( 1ar technologies

    對電掃描相控陣天線來說,模互易式鐵氧體移相器的互易特性可使收、發在同一特定波束位置上作;此外,模互易鐵氧體移相器可以在線、圓等多種方式下作,適應了現代雷達技術的發展。
  14. Finally a fact double - layer reticulated spherical shell is analyzed. the change of parameters, such as ratio of height - span, shell ' s thickness, stochastic flaw and disposal of load so on is considered, and more than 200 results on ultimate load - carrying capacity are obtained

    利用本文程序對一個層球面網殼結構的程實例進行了分析:考慮網殼結構設計中的主要參數如矢跨比、網殼厚度、初始缺陷以及荷載分佈等變,計算結構的限承載力,共得到200多個結果。
  15. Secondly, because the band of the traditional microstrip antenna is very narrow. and the isolation can ’ t meet the requirement when the coaxial - line feeding is used to realize the dual polarization. the following work lays heavy stress on analysis of the way of widening the bandwidth and developing the isolation of the antenna

    傳統的微帶天線帶寬較窄,採用普通同軸線饋電實現的時候,隔離度不能夠滿足天線的要求,所以在接下來作中,重點分析了微帶天線頻帶展寬和隔離度改善的方法。
  16. In order to increase the efficiency on using limited frequency resource, orthogonal polarization is normally adopted for frequency reuse, thus offering double bandwidth at the certain working band

    為了充分利用有限的頻譜資源,衛星通信採用正交頻率復用方式,在給定的作頻段上提供倍的使用帶寬。
  17. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在( 0 , 0 )點處沒有定義,這給研究其在( 0 , 0 )附近的動力學性質帶來了困難,我們應用文獻[ 17 ]中關于研究非線性方程奇點的系列理論和方法,圓滿解決了這一問題,給出了第一象限內當t +或t -時,在全參數狀態下系統的軌線趨于( 0 , 0 )點的所有可能情況,其相圖也得以描繪;並且,系統不存在限環的幾個充分條件我們也予以列出,當x的等傾線在0 x 1范圍內遞減時,系統不存在限環,全局漸近穩定;然後,我們以中心流形定理和正規型方法為主要具,巧妙選擇參數,分別構造了一個余維2的鞍點分岔和一個余維3退bogdanov - takens分岔,證明了平衡點是余維3的焦點型平衡點,存在參數, m ,的值使得系統( 6 . 1 )有兩個限環,還存在參數, m ,的另外值使得系統( 6 . 1 )有同宿軌或同宿軌。
  18. At first, the experiment carried out by tianjin university has been analysed according to the " nonlinear balance trying calculation " method, and the values of yield load and ultimate load agree with the test result better, and the curve of bending moment - curvature, bending moment - deflection can agree with the results. the second, the simplified formula for evaluation the ultimate flexural capacity of cfrp strengthened rc members is presented according to the three probable failure modes ( compression failure ; cfrp rupture ; crushing of the concrete in compression before yielding of the reinforcing steel ). it is applicable to both singly and doubly reinforced rectangular sections, as well as flanged sections

    首先利用鋼筋混凝土非線性平衡試演算法對天津大學試驗進行了理論分析,所得分析值與試驗結果相比,加固梁的屈服荷載、限荷載能夠很好地吻合,彎矩曲率關系曲線及彎矩撓度關系曲線較為吻合;其次,為了滿足實際程的需要,根據碳纖維布加固構件可能發生的三種破壞形態(壓區混凝土壓碎破壞、碳纖維布拉斷破壞以及受拉鋼筋尚未屈服時壓區混凝土已壓碎破壞) ,區別三種鋼筋混凝土構件截面形式(單筋矩形截面、筋矩形截面、 t形截面) ,分別給出了碳纖維布加固混凝土構件抗彎承載力的簡計算公式和適用條件,並進一步探討了這三種截面形式下進行加固設計和復核的步驟。
  19. My paper presents us the theory of polarization duplexing grid with the high power microwave input. first, the new field of hpm has been introduced. then comes the principle of polarization duplexing grid

    本論文就極化雙工柵在理論上做了一個研究? ?對極化雙工柵電磁場特性的數值分析方法進行了理論推導,並編制了計算程序,為高功率微波下的極化雙工柵的設計提供了理論依據和計算程序。
  20. A recent questionnaire survey and analysis organized and conducted by us shows that the undergraduate teaching administration of jiangsu university at present should focus on the conformity and optimizing of academic subjects, make effort to reinforce the full - time staff construction mainly with the echelon construction of academic subjects, enhance in an all - round way the training of undergraduates ' learning capability and technical ability of experiment and practice, put emphasis on bilingual teaching, give full play to the supporting function of the resources available such as library books for teaching, give a vigorous impetus to the innovation of administration system, hence to realize the second leap of the level of undergraduate teaching administration of jiangsu university

    作者根據教育部本科教學水平評估指標體系,組織了一次問卷調查,結果顯示當前學校本科教學作應集中精力整合和優學科結構,著力加強以學科梯隊構建為主線的專任教師隊伍建設,全面加強學生學習能力培養和實驗實習技能訓練,重視語教學,充分發揮圖書信息等資源對教學作的支撐作用,積推進管理制度創新,以此實現學校本科教學作水平的二次飛躍。
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