電子頻率計 的英文怎麼說

中文拼音 [diànzibīn]
電子頻率計 英文
electrionic frequency meter frecuencimetro electronico
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • : 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...
  • 電子 : [物理學] [電學] electron
  • 頻率 : frequency; rate
  1. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描顯微鏡和透射顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分絮凝黃河泥沙生成的絮體結構。
  2. Dds951 series electronic single - phase electric meter is the most advanced static electronic meter in china. the meter designs use large - scale intergated circuit. high reliability step motor, it can the ac single - phase active energv voltage rating : 220v : frequency 50hz, positive and negative two directions and accumulates in one direction. the test singnal is isolated by phototransistor : it also has the function of anti - fraud, and indicates it s operation situation on flash light, so it could be managed very easy

    Dds951單相能表,是金雀儀表公司開發的新型度表。該產品是採用規模專用集成路,高可靠性步進機等先進技術製造的國內最新能試題新產品,用來量額定壓為220v ,為50hz的交流單相有功能,該產品能夠精確量正負兩方向的有功能,且以同一個方向累
  3. With dynamical modal analysis of electron gun by use of ansys software, we can get the inherent frequency and vibration model, which can avoid sympa - thetic vibration

    利用ansys軟體對槍進行動力學模態分析可以得到槍的固有和振型,從而在結構設上避免共振。
  4. In chapter four, using the quantum statistics method we study the cohesion of a metallic nanowire irradiated under electromagnetic wave based on the results in chapter three. we obtain that the cohesion force is effected notably only when the frequency of electromagnetic field is at the vicinity of the energy span of the lateral levels of the nanowire

    第四章以第三章的工作為基礎,用量的方法,分析了太赫茲磁波部分輻照對金屬納米線內聚力的影響,得到了只有當外場與橫向模式共振時內聚力才有顯著變化的結論。
  5. Design of virtual instruments based ultrasonic data acquistion system

    器件實現的虛擬儀器群中的高智能
  6. We rounded analysis that ring stator ’ size parameter how to affect ring stator ’ characteristic frequency by use the software for numeric analysis, and afford theoretical foundation for the optimum design of ultrasonic motor ’ structural parameter

    本文還利用分析軟體,全面地分析了定圓環各個尺寸參數對特徵的影響,為超聲波機結構參數的優化設提供了理論依據。
  7. After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data

    線路模擬軟體pspice中進行了mosfet開關路以及典型dc dc轉換線路模擬測試,針對不同段的測試結果,採用最小二乘擬合法對模擬曲線進行擬合,算出相應的能量數據,最後綜合模擬結果確定出減小器件開關損耗,提高dc0c轉換線路效的器件輸出容cob優化曲線。
  8. The influences of stator ' s teeth on vibrating modal of the linear standing wave usm are discussed in this paper, in which eigenfrequency and wave - shape are analyzed while the position and geometry dimension of stator ' s teeth are changed, and it can give some advice on design for standing wave linear ultrasonic motor

    摘要本文對一類直線型駐波超聲機振的振動模態進行了系統的分析,討論了定齒的位置、幾何尺寸對直線型超聲機的固有、振型的影響,為該類駐波型直線超聲機的設提供了理論依據。
  9. Using pro / e ansys fem software, based on results of analyzing fem model, the article discuss the influence to the eigenfrequency of the stator in different dimension parameters of the stator loop, different pzt thickness, the influence of tooth height along circumferential direction on eigenfrequency is analyzed. it offers a foundation for optimum design the structure of the stator. fem equivalent circuit model of the ultrasonic motor has been built

    利用pro / e 、 ansys等軟體建立了圓盤定的有限元模型,通過有限元分析的方法,討論了定圓盤各個徑向尺寸參數對特徵的影響,不同壓陶瓷厚度對定特徵的影響,以及定齒的齒高的變化對特徵的影響,為馬達結構參數的優化設提供了依據。
  10. Compared with the induction meter, the electronic meter ' s measurement error is affected diminutively by the change of the frequency, that is to say, the electronic meter has a wide frequency respond characteristic and its error - frequency characteristic curve is flat. therefore, taking the whole energy as measurement standard, the measurement error of electronic meter is less than that of induction meter very much ; while the measurement error of electronic meter is bigger than that of induction meter when taking the basic energy as measurement standard

    和感應式能表相比,能表的量誤差受變化影響較小,具有較寬的響應,誤差特性曲線較為平坦,因此,在諧波存在下以全能量為量標準時,能表的量誤差遠遠小於感應式能表的量誤差,而以基波能量為量標準時,能表的量誤差比感應式能表的量誤差大。
  11. 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

    算分析和二維數值模擬分析結果表明:梳狀集結(基區)結構在不增加器件本徵集結面積的條件下,增大了器件的本徵散熱面積和基區周長,改進了每個器件單元內的散熱方式,提高了單元內結溫和流分佈的均勻性,降低了器件的熱阻,增大了器件的耗散功和輸出功,較好地緩解了目前傳統結構中與功、功耗的矛盾,並有利於改善器件抗二次擊穿的性能。
  12. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒波互作用的場方法導出了在輻射腔中預群聚束產生輻射的自洽方程,同時對線性區的增益進行了算。理論分析表明,場分析法可用於算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振、間隙阻抗實部和外觀品質因數等特性參數。
  13. B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results

    在設並製作了實驗樣機的基礎上所做的研究內容包括; ( 1 )分別用能量法和麥克斯韋張量法推導磁力的算公式,並討論他們的不同應用范圍; ( 2 )分別用等效磁路法和有限元法作直線力機的靜特性分析,並比較分析它們的算結果; ( 3 )用有限元模擬軟體做直線力機動態特性的模擬,分別分析直線力機的特性、動開合閘特性和開環位置控制的工作特性; ( 4 )做直線力機的靜推力?位移特性實驗和動開合閘的動態實驗,並將實驗結果與算結果進行對比,實驗驗證了算模型及算方法的正確性。
  14. Electron gun is the foremost parts of twt, it can produce electron beam with a certain shape and current, in order to guarantee the reliability and security of work, it ’ s design have to meet to the requirement not only of electric parameter, but also all kinds of subsidiary characteristics such as filament pyrogenation efficiency, warm up time, shape size, pole space capacitance and the ability to be able to bear the press and all kinds of rigorous run conditions such as high temperature, high humidity, low air pressure, strong vibration and great strike

    由於行波管的大功和高等特性,目前還沒有任何其他的器件可以代替。行波管是應用高磁場與注進行互作用的機理進行工作的,而槍是行波管中產生注並使它成型的基本部件,槍的結構設決定了槍體自身必須具有良好的抗振可靠性,否則結構發生共振或振動位移過量,就會導致行波管的失效。因此對行波管槍的研究具有非常重要的意義。
  15. The innovation in this paper is list below ( 1 ) use rectangle - shape pipeline so that the inducing electromotive force could be enhanced ; ( 2 ) use alternating current whose frequency is adjustable to induce the magnetic ; ( 3 ) make the flowmeter intelligent by use the microprocessor ; ( 4 ) finish designing the ls flowmeter with utra - low power consumption

    本文的創新之處在於採用矩形測量導管大大增加微流量條件下的感應動勢;採用輸出可調的正弦波流作為勵磁流達到消除50hz干擾和減少正交干擾的目的;利用單片機等高端現代產品實現了磁流量的高度智能化及設出真正的超低功耗的、可用干池長期供的ls旋轉流量
  16. Jingke information is mainly engaged in the production of quartz oscillators applied in an extensive range of electronic products, including timers, wireless communication equipment and computers

    晶科信息主要從事生產各類時器無線通訊器材算機等產品所需之石英晶體器。
  17. Two cold - test parameters determine the working voltage, frequency band, efficiency and gain of twt. they are dispersion and interaction impedance of the slow - wave structures ( sws ) in twt, which are very important targets for twt

    行波管慢波結構的色散和耦合阻抗是行波管設中兩個非常重要的冷參量,它們決定了整支管的工作壓、帶寬度、工作效和增益。
  18. Based on the mode analysis of the stator of a ultrasonic motor using in - plane bending vibration, three kinds of in - plane vibration modes are obtained, and the influence of the motors structural parameters on its modal frequencies are discussed. some helpful conclusions are given, which provide theoretical basis for the design of this type of motor

    運用有限元方法對利用平面內彎曲模態超聲機定進行了模態分析,獲得了三種不同類型的面內振動模態,並討論了機結構參數對其模態的影響,在此基礎上得到了一些有益的結論,為利用平面內旋轉模態設超聲機定提供了理論依據。
  19. The first order nonlinear hyperpolarizabilities in second - harmonic generation process and electro - optical pockels effect are computed. the basis set effects in ab - mitio quantum - chemical computation are mainly studied. the correction to the nonlinear optical properties due to the electronic correlation energy is discussed and the relationship between the first order hyperpolarizabilities and the frequencies of the external electric field is also investigated

    算了二次諧波振蕩過程和光pockels效應過程的一階非線性超極化,研究了的相關能對pna分的非線性光學性質的影響以及pna分的一階非線性超極化與外加光之間的色散關系,並著重討論了量化學從頭算中基矢組的選取對算結果的影響。
  20. Based on the large disturbance equation and using the measured power angle as an observation argument in an identification algorithm, the electrical parameters and mechanical parameters are obtained. in this thesis, micro - computer testing systems for synchronous generator is analyzed. withmcs - 196 series single chip micro - controller of high price performance ratio, a high precision, intelligent instrument for automated testing has been developed

    了同步發機參數測試儀器,完成了利用發機定流的波形,辨識發機參數的算機軟體,該裝置運用鎖相環技術自動跟蹤和獲取,進行交流采樣,利用傅立葉演算法求得量基波的幅值、有效值,從而可獲得三相有功功、三相無功功以及功因數。
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