脈沖型式 的英文怎麼說

中文拼音 [màichōngxíngshì]
脈沖型式 英文
type of pulses
  • : 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...
  1. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變流器採用占空比擴展有源箝位正激高頻直流環節電路拓撲,由占空比擴展有源箝位正激高頻直流環節電路與dc ac逆變橋級聯而成,前級採用電壓pwm前饋控制技術,后級採用三態dpm電流滯環控制技術。
  2. Its current products include : top oscillation electrical precipitator, side electrical oscillation precipitator, magnetism controlled static electricity precipitator, wet electrical precipitator, honeycomb electric catching tar instrument, high - pressur silicon rectifier equipment and plc low - pressure controlling system, blast furnace gas impulse precipitator, high concentration pulverized coal collector, coke oven and boiler flue gas low pressure impulse precipitator, blower fan inhaler, crossing piping gas cooler, high temperature fume cooler, gyre - orientation impulse hop - pocker and all sorts of molded sections

    目前主要產品有:頂部振打臥電除塵器、側部振打電除塵器、磁控靜電除塵器、濕電除塵器、蜂窩電捕焦油器、高壓硅整流裝置及plc低壓控制系統、高爐煤氣除塵器、高濃度煤粉收集器、焦爐及鍋爐煙氣用低壓除塵器、風機空氣過濾器、橫管煤氣冷卻器、高溫煙氣冷卻器、回轉定位大布袋及加工各種冷彎鋼。
  3. Its products comprise various types of electrostatic precipitator 、 long bag low pressure pulse 、 positive ( negative ) pressure reverse flow 、 rhombus bag filter ( explosion proofing and ordinary type ) 、 pulsant rotary reverse flow flat bag filter 、 gas - box pulse bag filter ; flue gas desulfurization 、 waste water treatment facility and different nonstandard equipment

    主要產品有各種號的靜電除塵器(管極及極板) 、長袋低壓除塵器、正(負)壓反吹大布袋除塵器、菱形袋除塵器(防爆及普通) 、動反吹扁袋回轉除塵器、氣箱除塵器等收塵設備;煙氣脫硫設備、水處理設備及各種規格的非標設備。
  4. 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,液浮擺加速度計的工作原理和數學模等作了簡要的介紹,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工具? ? labview作為測試軟體開發工具,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。
  5. And gave priority to the eular - bernonulli beam model, the simply and convenient analytical resolution for the response of the pipelines under dynamical traffic loads through the impulse function and the congruence method of the vibration form and so on. during the analysis of the chanmical results of the pipelines, the randomicity of the output of the pipelines response was taken into accout. so the stochastic process method was applied to describe the probability characters of the pipelines response, which made the results truer, more veracious

    本文採用eular - bernonulli梁模和tomosimko梁模對動力下kelvin粘彈性地基中管道固有振動性狀進行了分析,提出了各力學結果描述的解析;並以eular - bernonulli梁模為主,基於函數、振迭加法等對管道在動力交通荷載作用下的管道響應問題提出簡單便捷的解析演算法;在管道受力結果的分析中,考慮管道響應輸出的隨機性,將管道響應用隨機過程來描述其概率特徵,使得結果描述更加真實準確。
  6. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和反應函數等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的擊比較明顯,且可知擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模著手,在一些特定條件的限制下,給出了一個相應的投資組合模
  7. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景,本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上,研製了用於交直交電流高壓無換向器電動機的高壓晶閘管換流閥裝置,進行了串聯閥電路的設計和模擬,完成了電光電方的觸發系統和監測系統硬體設計及軟體編程,並進行了裝置的實驗調試。
  8. The main research contents of this dissertation are shown in the following : ( 1 ) introduce one method of use the counting pulse to develop ie measuring system and new method of using the high frequency clock signal to divide the space pulse

    本文主要研究內容如下: ( 1 )系統論述了一個計數方的ie測量系統的測量原理,闡述了一個採用高頻的時鐘信號細分空間的新細分方法。
  9. 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dc / dc變換器在電流連續( ccm )工作模和電流斷續( dcm )工作模的狀態空間平均模
  10. An intensity modulated fiber optic micro - accelerometer with a digitally feedback circuit is designed. this sensor employs a graded index lens with a reflective coating on one end and measures the relative displacement between the lens and a pair of optical fibers

    在本系統中設計了數字再平衡迴路,使得該微光纖加速度傳感器和一般的光纖傳感器相比,又具有動、靜態性能較好,精度、穩定性較高等優點。
  11. In this step, first calculate the impulse press with the different triers, find out the influence of triers to the impulse press. then calculate the impulse press with the different pipeline system, hydraulic accumulator, supercharger and oil viscosity. at last, show the result in the forms of chart, also show the main character of the press curve

    最後根據相應的數學模進行模擬計算,先計算被試件在不同規格參數的條件下的壓力響應結果,總結出被試件對壓力波形的影響;再計算管道系統、蓄能器、增壓器和油液的粘度在不同參數的條件下對壓力波形的影響,以圖形的形表示,並給出壓力波形主要特徵的計算結果。
  12. The feedback of the output voltage is the major control loop. to achieve better frequency response and disturbance rejection of the input voltage, a input voltage feed - forward system is introduced in control loop. the duty - cycle of pwm applied at the gate of power mosfet is modulated by both input and output voltage

    該晶元採用的控制方為電壓pwm (寬度調制, pulsewidthmodulation )控制方,以輸出電壓反饋作為主要控制參量,同時為了提高晶元對輸入電壓擾動的響應速度,採用了輸入電壓前饋方法,將輸入電壓因素引入了反饋控制環中,通過對輸入輸出電壓的檢測,控制加在功率mos管柵極電壓上矩形的占空比,進而調節輸出電壓。
  13. It was possible to demonstrate by other methods refined structural differences among neuron types, however, proof was lacking that the quality of the impulse or its conduction was influenced by these differences, which seemed instead to influence the developmental patterning of the neural circuits

    譯文:用其他方來展示神經類的細微差別也是可能的,然而,要證明質量和傳導受到這些差別的影響還缺乏證據,看起來這些差別影響的是神經單元的發展形成方
  14. The jamming of two models of pulse compressed radar, linear frequency coded radar and bi - phase coded radar, are studied in this dissertation

    本論文討論了壓縮雷達中兩種典的雷達制:線性調頻雷達和二相編碼雷達的干擾。
  15. Commonly used specification for a - mode ultrasonic flaw detector using pulse echo technique

    A反射超聲波探傷儀通用技術條件
  16. In principle, ultrasonic sensors are suspended over a road, which keep emitting pulse signals periodically to nearby and feed back waves to decide existence of any obstacles, thus to detect the speed, height, length, different sizes ( heavy, medium and small ) of moving vehicles and accumulative flow as well as length of motorcade. optionally, it can be applied to multitude driving lanes simultaneously for traffic data. by integrating and analyzing these measured data, the necessary figures concerning traffic flow may be obtained, which are fundamental basis guiding road buildings

    本課題設計的是一種懸掛超聲波車流多信息檢測器,通過懸掛于路面上方的超聲波探頭向路面周期性地發射信號,利用地面回波來判斷遮擋物地存在,可用於檢測行駛中的機動車車速、車高、車長、大中小分以及累計車流量、車隊長度等信息,並可用於多個車道車流信息的同時檢測,綜合這些測量參數可獲得車流量的必要數據,可為公路建設提供必要的基礎依據。
  17. 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

    論文的主要工作包括四部分: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,主要包括:發射信號模、接收信號模、目標回波信號模、雜波模、噪聲模、和差通道天線方向圖模、遮擋因子模、接收機噪聲模、目標雷達截面積統計性模、目標角閃爍模等。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,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。
  18. The technologies, including collecting the secondary fume by electrostatic precipitator on roof, restraining the open fume by dust inhibitor and treating the mobile fume by movable ventilation installation, are emphatically described. the adjustment and control of the gas flow and the pneumatic conveyance of the dust would be widely used in dust collecting system. as to the dust collector, low pressure pulse long bag filter and surface filtering technology would be a new technique in bag filter, and enlarged equipment would be the developing trend

    著重講述了屋頂除塵器、抑塵劑、移動通風槽分別是二次煙塵治理、開放性揚塵抑制、移動塵源控制的新技術措施,風量調節與控制、氣力輸灰技術將在除塵系統中廣泛應用;在除塵設備方面,長袋低壓除塵技術和「表面過濾」技術成為袋除塵新技術,設備大化將成為方向。
  19. Abstract : this paper discussed process, characteristics of the equipment and the operating effects of large sized pulse jet bag filter with long bag and low pressure in the cleaning of 100t dc electric furnace

    文摘:闡述了長袋低壓大除塵器在100t直流電弧爐的除塵系統中的流程、設備特點及運行效果。
  20. The lcdm dust filter integrates the main pipe structure ( for either inlet or outlet ) and advanced diversion technology, therefore it can handle the gas with high dust content

    Lcdm長袋低壓離線除塵器利用進、出口總管結構及先進的導流技術,因此除塵器不僅能處理一般含塵濃度的氣體,而且能處理高含塵濃度的氣體。
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