計數功率表 的英文怎麼說

中文拼音 [shǔgōngbiǎo]
計數功率表 英文
counter power meter
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 數副詞(屢次) frequently; repeatedly
  • : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • 計數 : count; tally; counting計數卡 numbered card
  1. As the microbolometer which is voltage biased express some characters different from other infrared detectors under the effect of electric heat and infrared radiation together, the computing method of parameters, such as responsivity, noise, noise equivalent temperature different ( netd ), noise equivalent power ( nep ), optical gain, detectivity and so on is given in this paper. some of these parameters are particular compared with other detectors, and some have difference between microbolometer and other detectors

    由於微測輻射熱在施加偏置電壓的情況下,電熱效應與紅外輻射的共同作用使它現出與其他紅外探測器完全不同的一些特徵,文中給出了響應、噪聲、噪聲等效、噪聲等效溫差、光學增益、探測等參算方法,這些參中的部分是微測輻射熱獨有的,或者與其他的紅外探測器的同一參有所區別。
  2. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出和斜效達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速方程為基礎,提出了ld端面泵浦nd : yag激光器的設方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合、泵浦光模尺寸、泵浦光焦斑位置等參的選取依據,以此為依據,設了自聚焦透鏡耦合小ld泵浦nd : yag激光器和透鏡組耦合高ld泵浦nd : yag激光器,對激光器的輸出穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出的自然指與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦,隨著泵浦的增加,測量范圍擴大,靈敏度提高,當端面泵浦為7 . 24w (最大輸出為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    算分析和二維值模擬分析結果明:梳狀集電結(基區)結構在不增加器件本徵集電結面積的條件下,增大了器件的本徵散熱面積和基區周長,改進了每個子器件單元內的散熱方式,提高了單元內結溫和電流分佈的均勻性,降低了器件的熱阻,增大了器件的耗散和輸出,較好地緩解了目前傳統結構中頻耗的矛盾,並有利於改善器件抗二次擊穿的性能。
  4. Being master control part, user controller stores, manages, display and query user information ; as slave control part, sub - user controller calculates and temporarily stores power sent from measuring module ; measuring module measures electric energy by using power meter ' s special circuit which simplifies circuit design and connects or breaks up power supply circuit by relay ; in order to transmitting data fast and exactly, rs - 485 communication standard is adopts between user controller and sub - user controller

    主控部分用戶控制模塊可存儲、管理、顯示和查詢用戶電能信息;從控部分子用戶控制模塊算並暫存電能測量模塊輸出據;電能量模塊採用電度專用厚膜電路hdb6進行電能量,簡化了電路設,同時還利用繼電器控制連接或斷開用戶的供電迴路;在主從部分間採用rs - 485通信標準實現據快速、準確的傳輸。
  5. Major products : water quality testing monitoring instrument : ph meter, conductivity meter, tds meters, orp meter ; pna meter, salt meter ; rotary speed measurement of the machinery manufacturing equipment : many functions tachometer ; air quality testing instrument : thermometer, hygrometer ; others : refractometer, water pump

    主要產品:水質檢測監控儀: ph酸度ec電導儀tdsorp氧化還原鈉度鹽度機械製造設備轉速測量:多能轉速光電轉速空氣質量檢測儀:字溫度溫濕度光學檢測儀器:折射儀以及污水潛水泵。
  6. The result of a great deal of experiment shows that the digital control method proposed in this paper is better than the analog one widely used at present. the stability of optical output power and spectrum including temperature stability and long time stability is advanced in great degree

    經過大量的實驗明:與傳統的模擬控制方法相比,本文設字控制方法能夠顯著的提高sld光源的出纖光和光譜的穩定性(包括溫度穩定性和時間穩定性) 。
  7. The company has cad design centre, precision etching and developing production line, chemical cleaning production line, scrubbing production line, high - power exposing machine, cnc drilling machine, suctioning silk screen machine, speedy press, vacuum multilayer press, chemistry sink copper and metal surface treating production line, punches, etc. import or domestic advanced equipment

    公司擁有cad設中心,精密蝕刻、顯影生產線,化學清洗生產線,磨板生產線,大曝光機,控鉆床,吸氣絲印機,快壓機,真空層壓機,化學沉銅及金屬面處理生產線,沖床等進口或國產先進設備。
  8. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光傳輸函、三維脈沖響應函和三維光學傳遞函,得到了它們在不同激發波長與熒光波長比值時具體的達式,並且通過算,得到了它們的曲線圖,結果明:隨著激發波長與熒光波長比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。
  9. This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved

    本文提出了一種採用修補spwm正弦值的方法,用以改善電壓型全橋逆變主電路因上下橋的器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變;逆變系統採用帶前饋校正的變比例變積分系的模糊控制器,提高了系統的動態響應指標;系統設了完善的保護措施,並具有市電電網的故障診斷能。
  10. To solve it, the differential equation set is transformed by fourier transform and the dynamic differential equation in the form of matrix is educed. the calculation formulas of frequency response function of vehicle vibrating system, acceleration power spectrum density function are put forward

    用分析力學法建立整車動力學模型,推導出以矩陣形式示的運動微分方程,並通過傅氏變換給出汽車動力學系統的頻響應函、加速度譜密度函算公式。
  11. It is found that the electron beam may approach ideal bunching. high power microwave pulses with tunable frequency can be generated by post - accelerating the electron beam and carefully designing the extraction cavity. in terms of the pic simulation, the output power of 1. 25gw at 2. 2ghz and 480mw at 4. 4ghz in axial acceletron have been obtained

    用增加中間腔的辦法,大大提高了前兩階諧波電流分量,算結果明,其中一階諧波電流調制系達到了140 ,二階諧波電流調制系達到了68 ,通過改變提取腔的設,可選擇不同頻的輸出,其一次諧波頻為2 . 2ghz ,輸出為1 . 25gw ,效為9 . 33 ,二次諧波頻為4 . 4ghz時,輸出為0 . 48gw ,效為3 . 6 。
  12. With computerized management, users purchase electricity first and then consume it ; maximum power can be limited in rated current limited by power supply department ; one meter is specially provided with one ic - card. electricity will not be cut off if the provided card loses. a make - up ic - card will work as well ; ic - card can transfer dataset bi - directionally and cut off electric current automatically, warning user of purchasing power ; when quantity of electricity turms to zero, it can switch off electicity automatically ; it s supplied with power - stealing prevention software

    應用算機管理,先購電後用電在額定電流范圍內能限制最大使用由供電部門限定一一卡。專卡專用,失卡不失電,補卡再用點卡能雙向傳遞據能自動斷電告警用戶購電電量為零時,自動拉閘斷電並具有一定的防劫電軟體設等。
  13. The simulation results show that the power factor and efficiency of lim are much lower than that of rotary induction motor due to end effect and big air gap of lim. end effect force has a great influence on the thrust of lim. the performance of lim can be improved with the proper secondary structure, small air gap, big goodness factor or heavy load

    結果明:受邊端效應及大氣隙影響,直線感應電機及效較低;運行狀態下的邊端效應力對電機推力有較大影響;設電機時選用合適的次級材料、減小氣隙、增大品質因、增加負載都可提升電機的輸出性能,通過設有效的控制演算法可使電機在額定滑差下具有較高的運行效
  14. The results showed that the processing parameters ( such as laser power, the diameter of laser, scanning speed of laser beam, ratio of overlapping ) are important to acquire a perfect component. furthermore, in order to assure geometric properties ( accuracy, surface finish ), the structure of the off - axial powder nozzle was improved to avoid the oxidation of the molten pool. the density metal test sample of rene95 high - temperature alloy was made by lsf through optimizing the processing parameters

    本文對激光立體成形的工藝特性進行了深入系統的研究,發現如果要獲得理想的成形效果,就必須對成形過程中的工藝參進行精密控制,例如激光、激光光斑大小、光束掃描速度、搭接等;同時為了保證成形件有較高的尺寸精度和面質量,必須對成形零件的氧化問題進行控制,通過改進側向送粉噴嘴的結構設,成形件的面氧化問題得到適度控制。
  15. A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function

    把近代最優控制論方法引入軸流透平葉片的設,在優化的軸流透平子午通道內,建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其達式,並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下,使級的某一性能指標(如級的)達到最優的最優控制問題,應用「代價函法」及「共軛梯度法」編制算程序,算得到符合給定約束條件、並使目標函取極值的最優環量分佈,結果是令人滿意的。
  16. The statistic of wavelet transform coefficient algorithm can solve the periodic noise, high - energy noise and some non - gauss noise simply and effectively ; bi - spectrum can acquire more information from the original signal than power - spectrum, detect more information except from range and restrain the gauss noise. short - time speech signal can be considered as stationary and with periodic non - gauss signal, so we can make use of bi - spectrum to obtain the speech character and separate the speech and noise and detect morse telegraph signal ; complex number spectrum variance algorithm is put forward based on the deeply observing speech data, it is a new algorithm, experiment show that it is simple, effective

    演算法在解決周期信號、高能噪聲和高斯信號方面有獨特之處,能簡單有效提取以上噪聲的特徵;雙譜能夠提供比譜更多的有用信息,有效地檢測信號幅度之外的其它信息,並能有效抑制高斯噪聲,短時語音信號一般認為是平穩且有一定的周期性的非高斯信號,因而可以利用雙譜來提取語音信號特性並實現信噪分離;復譜方差演算法是在對語音信號進行深入觀察和分析的基礎上而提出來的一種全新的語音特徵提取方法,此方法簡單而有效的提取了語音、噪聲的特徵以及檢測莫爾斯信號,基於實驗明,該演算法取得了很好的效果。
  17. Using the expression of the quadrupole and octapole radiation power, the multipole radiation power of a special binary star, psr1913 + 16, are estimated. the results show that its whole power of quadrupole radiation is, which is coincident with the observed results, and that the expected whole power of octapole radiation is

    本文用所得到的引力的四極和八極輻射的達式算了psr1913 + 16脈沖雙星的多極引力輻射,其四極輻射的總量級為,與已經觀測到的間接結果是一致的。
  18. A new full - wave measurement circuit structure is put forward that would increase distribution automation system reliability and veracity. the distributed protection and monitoring unit in this paper can instead of general instruments of low voltage distribution system. it not only combines ampere meter, voltage meter, active power meter, reactive power meter and power meter, frequency meter into a meter, but also increases monitoring position switch, control bus switching alternately and monitoring energy

    本文研製的保護和測控單元,可替代低壓配電系統中所使用的常規儀,將原來迴路需要的電流、電壓、有、無、頻簡化為一塊,並增加了位置開關量檢測,控制母線投切和電度監測能,從而極大的簡化了低壓配電二次儀、安裝調試,提高了運行、維護和管理水平。
  19. Saturation vapour pressure of internal combustion engine under actual operation conditions is expressed as the multinomial by using least square method, which facilitates the calculation of rectifying coefficient of engine output and fuel consumption as well as the fabrication of computer programme for such calculations

    摘要介紹了用最小二乘法擬合方法,將內燃機現場環境狀況下飽和蒸汽壓示為多項式形式,為和燃油消耗校正系,並為此而編制算機程序提供方便。
  20. The parts of the unproved diesel are reliable and did not have obvious wearing. the specification of the new diesel met the requirements of mwm co. the purpose of improving design was established. the new diesel extended the power range selected for marine electricity generation stations

    經過結構改進、提高的tbd604bl6柴油機經過性能試驗和1ooh可靠性考核試驗、分解檢查,明tbd604bl6柴油機經過優化設后,捉高了10 ,並且運轉平穩,性能參正常,零部件可靠,無明顯磨損,符合duetz - mwm公司的技術要求,達到了改進設的目的,為將來船用主機、船用電站的選型擴大了范圍,使tbd604b柴油機綜合性能達到國內領先水平。
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