電子對抗性 的英文怎麼說

中文拼音 [diànziduìkàngxìng]
電子對抗性 英文
immunity to countermeasures
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 抗 : Ⅰ動詞1 （抵抗; 抵擋） resist; combat; fight 2 （拒絕; 抗拒） refuse; defy 3 （對等） contend with...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 電子 : [物理學] [電學] electron
  1. Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。
  2. Bing high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasama calefaction, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. prof. liu shenggang began the research on electron cyclotron maser, and later, the group leaded by prof. li hongfu has done much research work on gyrotron also, and later, they have began the research on a kind of gyrotron amplifier - - - - - - gyroklystron

    迴旋脈塞器件? ?迴旋管作為大功率毫米波源，在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景，因此受到了國際上的廣泛重視，特別是近三十年來，迴旋管得到了快速的發展，並成為了研究的熱門方向。
  3. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  4. The chemical composition and microstructures of the insulating thin films prepared by different methods were analyzed by x - ray diffraction ( xrd ) and scanning electron micrograph ( sem ) ; other properties such as electric resistance, the breakdown field strength and dielectric properties were evaluated using high resistance meter, voltage resistance meter and precision impedance analyzer respectively

    採用x射線衍射儀（ xrd ）對表面絕緣薄膜的物相組成進行了分析，掃描電子顯微鏡（ sem ）對表面絕緣薄膜的微觀結構進行了研究，並用絕緣電阻測試儀、耐壓測試儀和精密阻抗分析儀分別對絕緣膜進行絕緣電阻率、擊穿場強和介電性能的測試。
  5. Polymer antistatic agents have little relation to relative humiditiy, friction and washing, and the process of antistic could persist for a long time

    高分子永久型抗靜電劑對空氣的相對濕度依賴性小，抗靜電效果持久，無誘導期，不受擦拭和洗滌等條件影響。
  6. The waveform generated using digital systems is of strict coherence, repetitiveness, high stability and programmability, which can also easily realize the waveform parameter agility and generate arbitray waveforms in order to meet the urgent needs for anti - interference and strong viabilities of radars under modern ew environment

    數字方法生成的波形具有嚴格的相干性、可重復性、高度的穩定性和可編程的優點，能夠方便地實現波形參數捷變以及產生任意復雜波形，滿足了現代電子戰環境中對雷達抗干擾和強生存能力的迫切要求。
  7. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  8. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  9. When the antigen ( brief named ag ) invaded into the organism, and the body can produce a kind of material ( high molecular weight protein, named antibody, brief named ab ) that can distinguish this antigen and evacuate it, the antigen and antibody take place the immuno - reaction. using their highly sensitivity to response mass change and specificity, it can be fabricated a piezoelectric immunnosensors

    當異種蛋白（稱為抗原， antigen ，簡稱ag ）侵入生物體內時，體內能產生識別此類異物並將其排出的物質（大分子量蛋白質，稱抗體antibody ，簡稱ab ） ，抗原與抗體發生免疫反應，利用抗體（或抗原）對抗原（或抗體）的特異性識別功能和壓電晶體的高靈敏質量響應可製成壓電免疫傳感器。
  10. The ultrastructural changes of microspore mother cells and tapetal cells in anthers during the abortion of male sterile cotton " kang a " were observed by comparing with its maintainer " kang b " and by using transmission electron microscopy

    摘要以棉花細胞質雄性不育系「抗a 」為材料，以其同核異質保持系「抗b 」為對照，用透射電子顯微鏡技術，觀察了不育系敗育過程中小抱子母細胞與絨氈層細胞超微結構的變化。
  11. The coin type liquid lithium and li - ion batteries are assembled, meanwhile their first charge - discharge property, cycle performance, rate discharge performance, overcharge property and ac impedance property are studied

    文中首先制備扣式的液態鋰電池和鋰離子電池，對電池首次充放電，循環性能，倍率放電性能，過充電性能和交流阻抗性能進行了測試。
  12. Passive localization and tracking technology plays an important role in the electronic warfare, because it works silently without any electromagnetic radiation

    無源定位跟蹤技術自身不輻射電磁波，具有很好的隱蔽性，在電子對抗具有重要意義。
  13. Gyrotron has the superiorities, high peak power and high average power. so gyrotron is vastly applied in many areas, such as plasma heating, controlled thermonuclear fusion ( ctf ), radar, communication, electron countermeasure

    迴旋管具有在毫米、亞毫米波段其他器件無可比擬的高峰值功率、高平均功率的優越性，因此在等離子體加熱、受控熱核聚變、雷達、通信及電子對抗等方面都有著廣闊的應用前景。
  14. Being high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast application in many areas such as plasma heating, linear accelerators, radar, communication, electronic countermeasure and so forth

    迴旋脈塞器件-迴旋管作為大功率毫米波源，在等離子加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景，由此受到了國際上的高度重視。
  15. Being high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasma heating, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. specifically in twenty years later, there was much developments on gyrotron

    迴旋脈塞器件? ?迴旋管作為大功率毫米波源，在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景，由此受到了國際上的高度重視，特別是近二十年來，迴旋管得到了快速的發展，並成為研究的熱門方向。
  16. The development of computer and the technology of the simulation advances the modeling and the technology of computer simulation, which make the computer simulation as an independent knowledge develop increasingly and used widely many kinds of research. this thesis researches the data processing and the display which is the part of the testing and evaluation for the performance of pd radar ' s jamming and anti - jamming with simulation in the pc. the whole project finishes the integrate model for researching the pd radar ' s system, jamming and anti - jamming, which is the first in the domain of electronic anti - jamming in our country

    計算機和模擬技術的發展促進了建模和計算機模擬技術的迅速發展，使計算機模擬技術成為一門獨立學科得到日益發展，並廣泛應用於各種科學研究中，本論文是用pc機模擬研究pd雷達干擾和抗干擾性能評估中的數據處理和顯示控制系統部分，整個項目是我國電子對抗領域首次完整地為研究pd雷達系統及其干擾和抗干擾性能評估所建立的基於pc機的模擬研究平臺。
  17. The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel

    結果得出： （ 1 ）根據固體與分子經驗電子理論，利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ，可以選擇工模具鋼基體相的強化元素； （ 2 ）根據合金系相平衡熱力學計算及已有的相圖，可以碳化物類型、數量及其相變確定合金元素含量； （ 3 ）新型dm9鋼在強韌性（抗彎強度、屈服強度、無缺口沖擊值）和硬度方面均高於cr12mov鋼； （ 4 ）以dm9鋼與6crw2si 、 7cr2wmovsi （ dm7 ） 、 h13和cr12mov四種模具鋼的實驗比較，進一步驗證了上述冷作模具鋼合金設計方案是合適的。
  18. It is important to study the probability of detection when evaluating the filtering algorithm by simulation, in this paper, the simulation model of radar ' s measurement data is developed using the radar ' s functional simulation method, also we have presented the probability of detection under some typical ecm situation

    利用模擬的方法來評價演算法的性能時，計算雷達的檢測概率是很重要的研究內容。本文利用雷達的功能模擬方法建立了電子戰條件下雷達的觀測模型，給出了幾種典型的電子對抗條件下的檢測概率計算方法。
  19. The electromagnetic field theory and numerical calculation are the research basis of electromagnetic scattering problem, they have important applications in many aspects such as calculation of radar cross section ( rcs ), analysis of electromagnetic scattering characteristic of target, electronic countermeasures, stealth design and identification of target

    電磁場理論及數值計算是研究電磁散射問題的基礎，在目標雷達散射截面（ rcs ）計算、電磁散射特性分析、電子對抗、隱身設計及目標識別等方面都有重要的應用。
  20. With the development of science, new method is used in fighter plane and missile design, and new material is used in fighter plane and missile production, which make them have higher speed, higher maneuvering, smaller radar cross section and better jamming and anti - jamming ability. all these development is a big challenge to surface - to - air missile and makes the battlefield environment more complicated

    隨著科技的進步，新技術、新材料的大量應用，使作戰飛機和戰術導彈具有更快的飛行速度，更好的機動性能以及更小的雷達反射面積;同時，電子對抗技術的廣泛使用，這些都給防空導彈帶來了巨大挑戰，使地面防空變得日趨復雜。
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