步進發射機 的英文怎麼說

中文拼音 [bùjìnfāshèjī]
步進發射機 英文
step-by-step transmitter
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 進 : 進構詞成分。
  • 發 : 名詞（頭發） hair
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 機 : machineengine
  • 步進 : step by step步進操作 step by step operation; 步進傳動 step by step drive; 步進法 step by step met...
  1. The heavy weapons ( machine guns ， infantry cannons ， antitank guns and mortars ) were placed on the eastern edge of sapadni ; the two 105 mm batteries occupied fire positions to the south of the locality ， with the mission of furnish direct fire against the houses in the edge of rostov ， located 1. 500 meters ahead

    它的重武器（機槍，步兵炮，反坦克炮和迫擊炮）部署在薩帕德尼東面邊緣； 2個105毫米炮連則在這個地點南面占領了發射陣地，其任務是對前方1500米處，羅斯托夫邊緣的房屋進行直接射擊。
  2. In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking

    系統的發射機選定/ 4 - dqpsk為調制方式，接收機採用基帶差分解調的非相干解調方式，滑動相關器捕獲發送的pn序列，早遲門同步器跟蹤符號同步，使用相關器對同步后的符號進行最佳判決，並在這些演算法實現的基礎上，實現了直接序列擴頻和解擴技術。
  3. Polinsar is a potential technique that not only improves the accuracy of the interferometric measurements but also allows a more sophisticated physical interpretation of scattering mechanism. with lots of advantages in many areas of military, civil and scientific researches, polinsar has extented the applications of sar remote sensing, and has wide and latent prospective applications and valuable researching aspects

    極化干涉測量不僅能夠提高常規insar測量的精度，而且有助於更好的理解目標的散射機理和所發生的散射過程，進一步拓展了sar在成像遙感領域的應用，在軍事和民用領域具有無法估量的作用。
  4. The hardware mainly consists of three parts : signal pre - amplifying and conditioning circuit is used to amplifying the microseismic signals which have detected, signal processing and target identifying circuit based on singlechip is used to convert the analog signals which have been amplified to digital signals and go through signal analysis, processing to identify the moving target, the sending and receiving setting is used to send the identifying result to the decision - making and he can take relevant action according to the result

    硬體主要由三部分組成：信號調理電路對檢測到的微弱地震動信號進行放大；基於單片機的信號分析與目標識別電路將放大后的模擬信號進行a d轉換，進一步將得出的數字信號分析、處理，實現目標識別；識別結果發射與接收裝置將識別結果發射給決策者，由其根據接收結果採取相應的措施。
  5. In order to obtain the complex rcs of the target quickly in high frequency band, the graphical electromagnetic computing software, greco, is used. the modification of the computing kernel code is presented. the judgement of edges of complex targets is more sufficient and the computation of edge wave based on physical theory of diffraction ( ptd ) is more exact after the modification

    為了可以準確地預估雷達目標的rcs ，我們對于航天部207所的圖形電磁計算軟體（ greco ）進行了進一步的開發與包裝，用borland公司的c + + builder開發了更加易於使用的基於windows操作系統的新版greco ，並且在考察了原有的greco計算內核之後，結合計算機圖形學方面的理論，對greco的內核代碼進行了改進，整體上使得邊緣繞射場的計算結果更加準確。
  6. Abstract : based on the electronic focus technology development of state - of - the - art, the paper suggested a complete apparatus s cheme ofauto - focus based on sspd ( self - scanned photodiode array ) and 8098 singl e chipprocessor, giving out a focus criterion algorithm based on image high freq uencystatistics. the function of auto - focus of both reflected and transparent o pticalmicroscope was realized. meanwhile some corresponding problems such as sta bility of lightsource, step motor driving etc. were also discussed, which greatly improved the accuracy andreliability of the system

    文摘:在介紹與分析了國內外電子調焦系統的技術發展與現狀的基礎上，提出了一種基於sspd （自掃描光電二極體列陣）與8098單片微處理器自動調焦的整體技術方案，給出了基於圖像高頻成分統計的聚焦判識演算法，在此基礎上實現了反射式與透射式光學顯微鏡的自動調焦，同時對系統的可靠性有關的其它相關問題如光源穩定性、步進電機驅動等問題也進行了討論。
  7. Through those models, ucav representative maneuver chains simulation in as attack is achieved. a simulation is carried out for ucav stand off attack, through which, the corporation between ucav and as missile is discussed

    通過一個無人機實施防區外攻擊的算例，總結出導彈發射前後無人機的動作鏈特點，對無人機作為空地武器發射平臺與空地導彈的配合問題進行了初步的探討。
  8. In chap. 2, the observational characteristics of the radio burst of the bastille event were discussed in detail. in chap. 3, we described the associated foundational theories with the model of a magnetic - mirror loop, consisting of the flux duct, the magnetic reconnection, the plasma wave, the wave - wave interaction and so on. then in chap. 4, using the model of magnetic - mirror loop to estimate quantitatively, we obtain the magnetic field strength, the number of solitons in a single fiber source, the volume of the source and the ducting parameters

    對疊加於太陽射電型爆發上的精細結構，作出了觀測特徵分析，發現大多數纖維結構的觀測特徵在米波段和分米波段是相似的，由此提出它們可能源於相似的輻射機制，並採用磁鏡環模型，首次對分米波段的纖維結構進行分析計算，推算了纖維輻射源區磁場強度大小及輻射源的空間尺度，且相關物理參量的推算量級與其他人的研究工作結果是一致的，從而對該爆發源區的物理環境及過程有了進一步深入的認識。
  9. The conclusion is drawn that in the quasi two - stage compression heat pump system coupled with ejector, discharge temperature of the compressor is decreased effectively, electric power is reduced, and heating performance is increased compared with those of the flash - tank throttle system in the same conditions. it shows that the quasi two - stage compression heat pump system coupled with ejector improves performances of air - source heat pump in theory

    由結果可以看出:在相同工況下，準二級壓縮?噴射復合熱泵系統可以有效降低壓縮機排氣溫度，所消耗的電功率較閃發器節流系統有所降低，制熱性能有所增加，從理論上說明該系統在解決空氣源熱泵低溫適應性問題上有進一步突破。
  10. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以量子結構自組裝為出發點，提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝；提出有機聚合網路原位組裝zns基納米熒光粉方法，把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成，適于低成本，批量生產；根據當前zno的研究情況，我們首次合成了非晶zno ，研究了它的光學性質，確定了它的結構，並對其摻雜進行了初步的研究，非晶zno表現出強的深紫外發光特性，而可見發射非常弱，是一種有巨大潛在應用價值的深紫外發光材料；利用非晶zno的亞穩特性，對晶化過程中非晶zno納米晶zno三維受限量子結構特性，界面特性進行了深入的研究；利用固相熱分解一般受擴散控制特性，實現了尺寸可控的zno三維量子結構的自組裝；利用非晶zno的高度分散性，容易均勻成膜特性，實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。
  11. In order to solve the problem of power losses and to improve the fuel economy & the emission level, the research purpose of this paper is using gdi technology on lpg - fueled engines ; and the engines can satisfy the demand of modem vehicles

    將汽油缸內直接噴射技術（ gdi ）用於lpg發動機，以根本解決其動力性下降的缺點，並進一步提高燃料經濟性和排放水平，滿足現代車用發動機的要求。
  12. ( 4 ) the feasibility of applying of brightness temperature approach method and continuous measurement method in practical application are verified. the results of 8 - wavelength thermometer, which are based on the brightness temperature model, verify that continuous measurement method based on brightness temperature is a practical data processing method when the range of target ’ s emissivity is known. the

    分別利用亮溫逼近法和基於亮溫模型的連續測量法對基於亮度溫度模型的八波長實測數據進行模擬，利用基於參考模型的連續測量法對固體火箭發動機羽焰溫度實測數據進行模擬，其結果驗證了連續測量法在工程實際中應用的可能性，並進一步驗證了當所給發射率范圍越接近實際物體發射率，計算結果越接近真溫。
  13. The theme of paper is study on the application of liquefied petroleum gas to motorcycle engine. through analyze the combustion and exhaust characteristics of lpg and petrol, the experiment system adopts electronic control system of liquefied petroleum gas injection to provide fuel for motorcycle engine. through researching the characteristic and adjustment factor of air fuel ratio, the paper can offer exactitude theories and viable plan for more effective using lpg, optimum matching electronic control system of liquefied petroleum gas injection with motorcycle engine and intelligent control

    本文分析了代用燃料液化石油氣與汽油的燃燒特性和排放特性，就液化石油氣在摩托車發動機上的應用進行了初步的研究，利用液化石油氣電控噴射系統控制燃料供給系統，進行對空燃比控制特性及其影響因素的研究，達到為進一步合理利用液化石油氣，進行液化石油氣電控噴射系統與發動機的有效配匹，實現智能管理的目的，並為控制系統提供理論依據。
  14. As the developing of economy and the progressing of science, microwave power meter has been used to measure output / input of transmitter / receiver ， output of signal generator and output of monofier, it has many uses in national defence, communication and scientific research

    隨著經濟的發展，科技的進步，微波功率計已被廣泛用於測量發射機/接收機的輸出/輸入功率，信號源的輸出，以及振蕩器的輸出等。在國防、通訊、科研等領域有著廣泛的用途。
  15. This instrument hopes to control the step - motor regularly, and collects the datum of the distance between the laser sensor and the wall simultaneously, then calculates area according to the theory of triangle, finally sums up all the area and makes the output

    本系統前向通道信號由激光傳感器提供，後向通道信號發給步進電機、傳感器，由於是旋轉式測量，必須控制激光發射信號的通斷和步進電機的步距角，否則測出的值是無法計算的。
  16. Moreover, high - pressure common rail system was found to be very effective for improvement of engine startability and reduction of white smoke at low temperatures

    通過和採用機械泵原機對比試驗數據進一步說明，高壓共軌電控噴射系統使得發動機的經濟性和排放獲得了明顯的提高。
  17. In this paper, a matching platform for a model lh150 four stroke motorcycle engine is set up and a electronic fuel injection system is designed. the design of the electronic fuel injection system include the fuel supply system design, the intake pipe and throttle body design, the electronic control unit ( ecu ) develop, the way to use sensor of the system and the means to deal with sensor signal

    本論文建立了一套針對lh150型四沖程摩托車發動機的匹配臺架，設計了一套用於摩托車發動機的電控燃油噴射系統，對發動機供油系統、進氣系統進行了設計和選配；建立了一套傳感器的使用和信號處理方法；設計了一套電控單元硬體，並初步確定了電控單元的控制方法。
  18. The down wash flow has been mainly studied in its forming and its model, and also the its distribute is given under terms with helicopter hang and park or low - speed flying, for offering the basis of next research on the down wash flow ' s influence of the guided missile launching

    主要對下洗流的形成和模型進行了研究，並給出了在直升機懸停和低速前飛條件下的下洗流分佈，為下一步研究導彈發射受下洗影響提供了依據。
  19. In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described

    汽輪發電機、空氣壓縮機等採用油膜支撐的大型轉動機械，由於安裝或運行中的原因，在轉子旋轉過程中，可能和器壁發生輕微的摩擦和碰擊，簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計數、幅度、能量和持續時間等聲發射特性參數，而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場試驗都表明這種方法對碰摩檢測很敏感，在碰摩發生的起始階段，包絡譜中與轉速同步的周期性分量顯著增加.根據這種新的設計思想自行研製了buaa碰摩聲發射檢測儀並對此作了介紹
  20. Nasa ' s chief of space science, ed weiler, said the new findings from opportunity will influence where to send another u. s. rover mission later in the decade, to retrieve soil and rock samples for return to earth so scientists can probe them for microbial life

    國家航空和宇航局太空科技部主任威勒表示未來十年美國會向太空發射另一艘漫遊者機器人，但「機遇」號的新發現將可能會影響該艘漫遊者機器人的發射地點，將某些土地和巖石樣本帶回地球，讓科學家能進一步做有關微生物方面的研究。
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