脈沖式工作 的英文怎麼說

中文拼音 [màichōngshìgōngzuò]
脈沖式工作 英文
pulse operation
  • : 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
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 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 ...
  1. In chapter 2, the pcss are manufactured and two technics are introduced. the practical flow is given. meanwhile the linear operational mode and nonlinear operational mode of pcss are analyzed in chapter 3, after simulating time - space distribution of electron and hole in photoconductor, the relations of laser energy, laser character and photoconduction are analyzed and the fundamental principles of nonlinear phenomenon is introduced

    在第一章中,介紹了本論文的研究背景,簡要回顧了超寬帶光導源的發展歷史,同時概括了本論文的主要。在第二章中,介紹了光導開關的製原理,詳細闡述了實際的加流程,並分析了其線性和非線性兩種
  2. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺加速度計的原理和數學模型等了簡要的介紹,然後確定了以二元調寬再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器具? ? labview為測試軟體開發具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  3. The temperature range is - 30 ~ 80. the topology of the step - up dc / dc converters and its basic principle is first analyzed in this thesis. then based on the conventional pfm control scheme, a discrete pulse frequency modulation is presented and the state space average model related to the ccm ( continue current mode ) and dcm is established

    然後在傳統的頻率調制方的基礎上,分析了一種離散頻率調制方,並建立了這種調制方下升壓型dc / dc變換器在電流連續( ccm )和電流斷續( dcm )的狀態空間平均模型。
  4. The main task of this dissertation is to model and simulate a monopulse radar system. in the end, we design a set of software platforms of a monopulse radar system, which would be a living, economical and convenient test platform for radar electronic warfare. firstly, this dissertation studies the model of radar signal environment

    本文的主要是對單雷達系統進行計算機建模和模擬,最終目的是開發出一套模擬單雷達系統的軟體模擬平臺,為雷達電子戰提供一個逼真、快捷、高效、經濟和方便的試驗平臺。
  5. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要包括四部分:第一部分研究了多普勒雷達導引頭的信號建模問題,建立了雷達信號模型,主要包括:發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了多普勒雷達導引頭的信號處理模,建立了信號和數據處理模型,主要包括:加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等,然後給出了信號處理流程。
  6. 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

    本文結合相關技術的介紹和分析,描述了一個基於增量旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量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能,同時該設備的驅動程序基於wdm模,並且配置有結構良好的動態鏈接庫程序為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操系統平臺上,具有實時性強、穩定、通用性較好和性價比高等特點。
  7. It works at high frequency with a selectable pin outside ; the working frequency is fixed at 640k / 1. 2mhz. so far as the output signal of the single - chip ic is concerned, the maximum time proportion of its high level is 88 percent, but the minimum one is 10 percent

    該控制器為pwm寬度調制方;電路正常溫度范圍為- 20oc 85oc ;開關頻率根據外圍電路輸出電壓需要為640k / 1 . 2mhz可選;輸出信號的最大占空比為90 % ,最小占空比為10 % ,晶元主要應用於lcd電壓電源管理設備。
  8. This article analyses the operation principle of the semiconductor laser power in detail, and demonstrates the feasible scheme of the main part of the power according to the special request under the quasi - successive working way, designs the corresponding hardware circuits and software procedures which implement the accurate automatic control of timing, steady voltage and invariable current power supply without pulse voltage and surge current for digital display semiconductor laser power

    本文深入分析了半導體激光電源的原理,根據準連續下的特殊要求,論證了電源的主要環節的可行性方案,設計了相應的硬體電路與軟體程序, (實現了定時的精密自動化控制、數字顯示機半導體激光電源的無電壓、無浪涌電流的穩壓恆流供電。
  9. Characterization of an external - magnetic field mid with polymer anode and a self - magnetic field mid with graphite anode operated in unipolar and bipolar pulse mode, respectively, has been performed. it is found that the characteristics of hipib are mainly depended on two crucial factors, i. e. the properties of insulated magnetic field and anode plasma

    通過聚合物陽極的單極外磁絕緣離子二極體和石墨陽極的雙極自磁絕緣離子二極體特性的實驗研究發現,影響hipib產生特性的主要因素是離子二極體的絕緣磁場性質和陽極等離子體特性。
  10. We define the recombination time of excess electrons in p field as the minority carrier lifetime. in theory, we developed the equation between excess minority carriers lifetime and the open - circuit voltage decay ; moreover, the effect of capacitance to general open - circuit voltage is also investigated. both different efficiency solar cells are measured by the method and showed the relations between the minority carrier lifetime and the performance of solar cells, which provides great useful guidelines for fabricating high - efficiency silicon solar cell in industry

    根據太陽電池的原理,詳細地論述了用光源照射n / p結太陽電池時光電壓的產生,理論上給出了注入p區的電子復合帶來的開路電壓與少子壽命的關系,也研究了n / p結勢壘電容放電對開路電壓衰減的影響關系,推導了利用開路電壓隨時間衰減的關系來測量少數載流子壽命的理論公
  11. Cellular phones that are less than 3 watts do not appear to damage pulse generators nor affect how the pacemaker works

    小於3瓦特的蜂窩電話不會損害發生器,也不影響起博器的
  12. The paper discusses the work princinple of ldcsm, adopts singlechip as core control cell, puts forward two kinds of control schemes, analyzes and study the technique scheme, hardware and software design of each control system separately in detail, on the basis of the centralized winding electrifying trait and pulse stepping control method of two phase hybrid linear dc step motor ( hdclsm )

    論文在討論了直線直流步進電動機機理的基礎上,根據兩相混合直線直流步進電動機( hdclsm )集中繞組的通電特點和步進控制方法,採用單片機為核心控制單元,提出了兩種數字控制方案,分別就每種控制系統技術方案、硬體電路、控制軟體設計等技術內容進行了詳細地分析和研究。
  13. I had planned a system of simple gestures, such as movement in quadrant 1 for shield, movement in quadrant 2 for laser beam fire, as a method of control, complete with particle effects - pulsing laser shields and sound effects taken from previous work with sdl

    我設計了一個簡單的姿態系統為控制方法,比如第一象限中的移動表示盾,第二象限中的移動表示激光劍,再加上粒子效果激光盾和聲音效果來自以前用sdl完成的
  14. This valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves

    該閥採用二級減壓變化原理,降低開關閥時水壓對閥體等配件的擊,提高電磁閥的可靠性和壽命,縮短了閥在最高介質壓力下開啟時間,使其在電控閥門中具有無可倫比的節能優勢。
  15. Fcd. 3 138d : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves

    該閥採用二級減壓變化原理,降低開關閥時水壓對閥體等配件的擊,提高電磁閥的可靠性和壽命,縮短了閥在最高介質壓力下開啟時間,使其在電控閥門中具有無可倫比的節能優勢。
  16. Fcd. 3 138g : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves, combining to increase filtered to regulate the discharge function with machine type

    該閥採用二級減壓變化原理,降低開關閥時水壓對閥體等配件的擊,提高電磁閥的可靠性和壽命,縮短了閥在最高介質壓力下開啟時間,使其在電控閥門中具有無可倫比的節能優勢,並在接線上採用密封插件,並增加了過濾器和機械調節流量功能。
  17. Very simply put, it works in this way : through a sophisticated system of electronics, television provides the capability of converting an image ( focused on a special photoconductive plate within a camera ) into electronic impulses, which can be sent through a wire or cable

    簡單說來,電視是以這種方的,通過一個復雜的電子系統,電視能夠將一幅圖像(這幅圖像被聚焦在一部攝像機內的一塊特殊的光導底片上)轉換成能經過導線或電纜發送出去的電子信號。
  18. A new type high efficiency synchronous step - up dc / dc converter for hand - held device is designed in this thesis. it works in the pfm ( pulse frequency modulating ) mode, and its switching frequency can up to 500 khz. it offers a built - in synchronous rectifier that reduces size and cost by eliminating the need for an external schottky diode and improves overall efficiency by minimizing losses

    本文設計了一種用於移動電子設備的高效同步整流的dc / dc升壓晶元,該晶元採用pfm (周期調制)調制方頻率最高可達500khz ,內部集成功率管為同步整流管,代替傳統的肖特基二極體,導通電阻僅有0 . 4
  19. It works with pulse. but working frequency cant be changed at will. this type is normally made to customers requests

    內調制激光器不需要外接信號,加上電壓即以,但其頻率無法隨意改變。
  20. Chapter two introduces the principle of impulse radar and the digital information acquires method of embedded radar, including the sampling of echo and the acquisition of angle

    第二章論述了低解析度雷達的原理,以及嵌入雷達中信息的數字化錄入,包括對回波的采樣和方位數據的錄入。
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