脈沖能量技術 的英文怎麼說

中文拼音 [màichōngnéngliángshù]
脈沖能量技術 英文
pulsed power technology
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : 能名詞(姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 名詞(技能; 本領) skill; ability; trick; technique
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  • 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
  1. This system uses a ring structure instead of complex multiangular optics structure. stimulate raman scatter is used to combine laser beam and it also improve the quality of laser beam

    採用這個激光儲存環提高準分子激光放大超短激光的效率,獲得高功率,高束質的激光輸出。
  2. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取進行了研究,提出了幾種高精度測序列多普勒頻率變化率的方法。
  3. Abstract : there are offered many ways how to improve work of a spark plug. but one of the m ost important problems has not been solved yet. this is a thermal mode operation of a spark plug. the ideal spark plug should be instantly heated at the moment of occurrence of a spark and instantly cooled down in expectation of the foll owing electrical pulse. thus it balances between preservation of heat for self ? c leaning from scale and its removal in avoidance self ? ignition. in this article a uthor managed for this time to offer a spark plug with capability “ self ? regula tion ” of heat flux removed from a zone of ignition. essence of the offer is a t ip , which is transparent for heat flux. it is produced from single crystal of sap phire

    文摘:在如何提高火花塞的工作質方面有多種方法,但是其中最重要的一個問題還沒有得到解決,那就是火花塞工作的熱學模型問題.理想的火花塞應該在點火的瞬間被立刻加熱,並且在接下來的電過程中迅速冷卻,由此在熱的存儲與散發之間取得平衡,以避免自點火.本文力圖展示一種具有自動調節源於點火區域熱流力的火花塞,其的關鍵是頂部絕緣體材料,它是由藍寶石單晶製作,而非傳統的氧化鋁陶瓷
  4. The technology of alternating - current - boosting by way of constant current is successfully used to charge capacitors with 25 kilojoules of energy in only eight seconds. rail - gap switch with performances of long life and highly steady state are designed. and the high voltage pulse generator, which can produce low - excursion and fast - rise pulses, are designed by using double trigger circuit and hydro - thyristor as switch

    在大功率恆流充電上,成功的應用了交流調壓式恆流,可以在8s內讓電容器儲存25kj的;設計出了長壽命、高穩定的軌道開關;採用氫閘流管做開關,使用雙觸發電路,研製出了低抖動、快前沿的高壓發生器(點火機) ;採用單片機和pld ,研製出了精度為10ns的延時同步機。
  5. The meijiayi mjy channels therapeutic apparatus developed by our company, combines the advanced microcomputer technics with the profound traditional chinese medicine methods as well s the human channelss science, magically takes advantages of modern electronic technics and the outer treatment of chinese medicine, realistically simulated the effects like acupuncture, aprapathy, essage, eating, kin scraping and cupping, etc. which improve the comprehensive effects, especially for the common ailments and geriatric diseases in digest digestive system, respiratory system and nervous system

    旋翼式多流束濕式基表,雙采樣方式進行數據採集,採用計算機進行數據處理顯示控制閥門動作。它採用獨特的卡口安全及保護措施動態安全可靠的ic卡加密機制先進的硬體及軟體的容錯處理性安全可靠,具有精度高自身功耗低體積小壽命長便於安裝等特點。準確實現用水計及實現預付費功
  6. That advance and further improvements in pulse compression techniques have resulted in pulses that have the maximum possible intensity for a given energy of light

    有了這個進展,再加上壓縮的改良,我們終于夠使固定的光產生出最強的來。
  7. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關的介紹和分析,描述了一個基於增式旋轉編碼器的坐標參採集介面卡的實現,此介面卡是一種用於採集全數字攝影測系統地面影像模型坐標位移的專用設備,該設備採用cpld器件和vhdl語言實現增式旋轉編碼器的信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。
  8. Measuring technology of multi - channel is the foundation of matter composition and radioactivity verifying by way of nuclear methods. the dissertation aims at developing tendency of measuring technology of multi - channel nuclear energy spectrum, combining the characteristics of field working, focusing on systematically reseach on some key techniques such as the design of multi - channel analyzer ( mca ) and apparatus, with a view to resolve defects exsisting in current portable apparatus

    論文瞄準國內外多道核譜測的發展趨勢,結合現場工作的特點,針對目前現場多道核譜測儀器中存在的諸如儀器功耗、重、體積偏大,不便於現場操作等問題,在多道幅度分析器以及儀器的單片機機化等方面作了較為系統的研究。
  9. Firstly, the mechanism of self - excited oscillation was introduced. when the water jets from the inlet nozzle flows into the chamber, the momentum exchange between the jet and the liquid in the chamber occurs, thus to form an unstable shearing layer with certain thickness

    這是一種嶄新的強化換熱,流體夠造成換熱器全程的換熱強化,而且自激振蕩射流強化換熱本身是一種無功強化的方法,無需輸入外部來產生擾動。
  10. Comparing the different design method of the asic, we decide to realize our design through fpga. then, we analyze the main function of the data - collecting device which include pulse signal collecting, counting the pulse according to different time, display, storage, communicating, remote control and so on. according to some technology rules, we design the asic through verilog hdl

    根據抄表器所需實現的表計數據採集、計數據的分時段管理、顯示控制、數據存儲及通訊管理、遠程控制的管理等功,結合現有的一些規范,用veriloghdl實現抄表器的硬體電路描述。
  11. With double - frequency technique and q switch technique the laser delivers a laser pulse of 532 - nm in wavelength, 5 - ns in pulse width, 35 - mj in energy and 2 - cm in coherent length

    所用激光器為nd : yag激光器,採用了調q和二倍頻,波長為0 . 532 、寬度為7ns 、相干長度為2cm ,為35mj 。
  12. It proves that the accuracy of the obtained photon fluence by this kind of method is acceptable. overall, pulse photon fluences in the pulse accelerator and the radiation field caused by pulse reactor have been obtained by strict experimental studies and theoretical calculation in this paper. it provides the technological support to calibration of detectors for physical diagnosis in nuclear exploding

    簡而言之,通過嚴格的實驗研究和理論計算,本文測得了12mv加速器的x射線譜和liftld對較寬區的中子的let效應因子值,並通過研製的均勻固體電離室測得了加速器和堆輻射場的光子注,解決了幾個相關的難題,為核爆診斷探測器的標定提供了支撐。
  13. Based on the difference of measuring errors between spectrum and a single pulse, the article introduces a procedure which can improve the specification of non - linearity of commercial adc for spectrum measurement without channel - width - everaging circuit

    摘要根據放射性譜測的誤差並不等於對單個的誤差的特點,提出一種先測出模數變換器的道寬,然後利用軟體方法進行道寬均勻的
  14. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中,由於受其自身及外界各種因素的影響,常常會產生一些缺陷,對結構物的承載力和耐久性造成嚴重影響,採用無損檢測進行質檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍,運用動力有限元數值模擬其檢測過程,探討了有裂縫缺陷的混凝土結構在荷載作用下彈性波的傳播及其變化特徵,研究了不同裂縫深度下首波相位變化規律,得出了反轉臨界點與裂縫深度之間的關系,這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測,它是利用聲波穿透被檢測體獲取聲波接收時間,來進行計算機反演成像的
  15. The conditions for long distance propagation and self - guiding are given. 3. an optical amplification system for 10 ps krf laser with polarization multiplexing is developed and the energy of 140 ml is extracted

    發展了一種適用於超短激光的光學偏振放大,並應用於10pskrf激光放大系統中,可在有限的激光輸出口徑內有效地提取激光的輸出
  16. The sto, ybco and sto / ybco thin films were deposited on laalo3 ( 001 ) ( lao ) substrate by pulsed laser deposition ( pld ). the effects of deposition parameters, such as the substrate temperature, the of target - substrate distance, laser energy density, on the properties of the thin fillms were systematically studied. the surface morphology of the thin films was investigated by atomic force microscopy ( afm ) and scanning electron microscopy ( sem )

    採用激光沉積在laalo3 ( 001 ) ( lao )基片上生長ybco 、 sto以及sto / ybco集成薄膜,系統研究了基片溫度、基片表面狀態、氧分壓、激光密度、重復頻率等工藝參數對薄膜表面性、結晶情況的影響,優化了ybco 、 sto薄膜生長的工藝參數,運用afm 、 sem 、 xrd等分析手段表徵薄膜的微觀性,分析結果表明:薄膜表面平整、結晶良好、 c軸織構。
  17. First, delay window is used to reduce influence of pulse disturbance and signal amplitude to measurement result. second, according to the feature that width of receiving signal is wider than disturbing signal, width differentiation circuit is utilized to distinguish receiving signal and disturbing signal. third, most of digital circuits are integrated into isplsi ( in system programmable large scale integrated chip ) 1032 so as to simplify design and to develop the stability and reliability of the system

    關于提高系統的穩定性和可靠性問題:一是採用了延遲窗口接收,以盡可減小干擾對測結果的影響;二是根據接收信號寬比干擾信號寬要寬的特點,採用寬鑒別電路來鑒別接收信號;三是用可編程大規模晶元isplsi1032對系統大部分的數字電路進行了集成化設計,達到既簡化電路設計、又提高系統穩定性可靠性的目的。
  18. Practical implementations of quantum key distribution systems use attenuated laser pulses as the signal source rather than single photons. the channels used to transmit are lossy. on the basis of above two points, a combining eavesdropping strategy of intercept - resend and beam - splitting is discussed in terms of eavesdropper ' s technology requirement and detection efficiency and dark count of single - photon counter

    主要工作包括以下三部分:一、基於實際子密鑰分配( qkd )系統中所使用的強衰減的激光不是單光子,子密鑰分配的通道不是無損耗的,光子計數器存在探測效率和暗計數以及竊聽者的力也不是無限的這些具體問題。
  19. Summarizing the development statement of monitoring technology for bridge, based on principle of pulse laser ranger detection and fiber - optic strain measurement, in view of the problem affected by single - chip inherent feature, integrating the goodness of cpld device and single - chip, using a / d converter to measure the count quantization error, a strain measurement system is worked out. the above system chiefly consists of light source, optic fiber sensor, photo detector and signal processing circuit

    本文綜述了國內外橋梁監測的發展概況,在深入研究激光測距和光纖應變測試原理的基礎上,針對單片機固有計數頻率低、計數化誤差大和延時不固定等不足,結合cpld計數頻率高、延時小而固定和單片機控制功強的優勢,並採用模數轉換設計計數化誤差測電路,提出了基於激光時間測法的光纖應變測的方案。
  20. Progress of performance - measuring technique of pulseecho ultrasound array probes for medical diagnosis

    超聲診斷用回波式陣列探頭性現狀
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