system low造句
例句與造句
- the influence of zno on the properties of li2 o-al2 o3-sio2 system low expansi
2系統(tǒng)低膨脹微晶玻璃性能的影響 - therefore, in order to improve the system low speed performance, it is necessary to compensate the friction force
因此，要提高電液伺服系統(tǒng)的低速性能，必須對摩擦力進(jìn)行補(bǔ)償。 - power system is a complex dynamic system . this paper concentrates on the research of power system low frequency oscillation based on angle measurement technology
電力系統(tǒng)是一個(gè)復(fù)雜的動態(tài)系統(tǒng)，其振蕩穩(wěn)定問題一直是電力系統(tǒng)研究的熱點(diǎn)問題。 - it describe a real-time data collection, monitoring and control system for electricity use by utilizing existing user-side digital multifunctional electrical meter as data client through gprs network, to make up dsm technical support system low cost using current devices
本論文正是在上述背景下，提出并研究利用用戶側(cè)現(xiàn)有的數(shù)字式多功能電能表作為數(shù)據(jù)采集監(jiān)控終端，通過gprs網(wǎng)絡(luò)實(shí)現(xiàn)電力需求側(cè)實(shí)時(shí)用電數(shù)據(jù)的采集監(jiān)控，低成本地構(gòu)建dsm技術(shù)支持系統(tǒng)。 - but its sintering temperature is so high that it cannot be sintered under 1000 with low melting point electrode materials like ag, cu etc . presently investigations about this material are mainly via glass-ceramic technique to decrease the sintering temperature and the dielectric loss is high . for the first time, this investigation manufacture a casio 3 system low dielectric and high frequency microwave dielectric ceramic via tape casting with basic material altered and additives doped
本文以casio_3體系為研究對象，首先對casio_3體系進(jìn)行改性，并首次采用li_2o和bi_2o_3作為燒結(jié)助劑，降低體系燒結(jié)溫度，在此基礎(chǔ)上，采用catio_3調(diào)節(jié)陶瓷的頻率溫度系數(shù)，制備出微波介電性能優(yōu)良的具有工業(yè)應(yīng)用價(jià)值的casio_3系ltcc低介高頻微波介質(zhì)陶瓷。 - It's difficult to find system low in a sentence. 用system low造句挺難的
- the angle measurement technology based on gps is introduced briefly . simulation with matlab and psasp, and the validity of prony method based on wide-area measurement through gps for power system low frequency oscillation is shown in this paper . 3
簡要介紹了基于gps的功角測量技術(shù)和prony分析方法，提出利用基于廣域測量的prony方法分析電力系統(tǒng)低頻振蕩的思想，并利用psasp和matlab工具大量的仿真計(jì)算驗(yàn)證了基于gps廣域測量系統(tǒng)的prony方法在研究低頻振蕩問題上的有效性。 - finally, the rules used to design the induction motor and set the inverter v / f curve are summarized to improve the stability of the system movement in the forth part of the dissertation, three measures are brought forward to eliminate the system low frequency oscillation . the first measure adopts pulse based dead time compensation to suppress the oscillation . as second measure, considering the motor and inverter as an integration, the discontinuous space vector modulated strategy named dpwm3 is proposed for the first time to suppress the oscillation
措施一是在總結(jié)常用死區(qū)補(bǔ)償方法的基礎(chǔ)上，提出脈沖為基礎(chǔ)的死區(qū)時(shí)間補(bǔ)償法(pbdtc)對死沈陽工業(yè)大學(xué)博士學(xué)位論文區(qū)進(jìn)行補(bǔ)償，抑制系統(tǒng)的低頻振蕩;措施二是從逆變器與電機(jī)的機(jī)電一體化配合更加完善的角度，首次提出采用不連續(xù)空間矢量調(diào)制策略dpwm抑制系統(tǒng)的低頻振蕩;措施三是通過對系統(tǒng)中電機(jī)參數(shù)的調(diào)節(jié)，達(dá)到抑制系統(tǒng)低頻振蕩的目的;最后進(jìn)行了實(shí)驗(yàn)驗(yàn)證。 - it is introduced the character and function of the kz4a ac drive locomotive microcomputer control and network system, the solution of the system low temperature and advance measure of reliabilit, availability and maintainability are illustrated especially, the locomotive has been verified in the operation of kazakstan
摘要介紹了kz4a交流傳動電力機(jī)車微機(jī)控制與網(wǎng)絡(luò)系統(tǒng)的特點(diǎn)及功能，重點(diǎn)闡述了系統(tǒng)低溫問題的處理及可靠性、可用性、可維護(hù)性的提高措施，該車已在哈薩克斯坦的運(yùn)行中得到了驗(yàn)證。 - digital simulations reveal many valuable characteristics of the power system low frequency oscillation . the limit of conventional analysis and the appearance of new technique such as wams together with the advance of the nonlinear theory, require a new method for oscillation research of power grid, which can combine small and large disturbances analysis effectively
論文指出，由于傳統(tǒng)小信號穩(wěn)定分析方法的局限性，及動態(tài)監(jiān)測設(shè)備和非線性理論等新技術(shù)與理論的迅速發(fā)展，有必要研究新的振蕩分析方法，以更加有效地揭示互聯(lián)系統(tǒng)小擾動、大擾動后的振蕩機(jī)理，并研究相應(yīng)的控制策略。 - the third part of the work concerns the main influencing factors of the system low frequency oscillation, the small signal mathematical model of the inverter induction motor is established in the stator reference coordinate, effects of the motor parameter on the system low frequency oscillation are researched . then, by the analysis of the inverter nonlinear working characteristic, the internal relationship between the inverter dead time and the low frequency oscillation is studied and clarified, and the effects on the system low frequency oscillation are taken into account, which are produced by the dead time and change of carrier wave frequency of the inverter
首先建立了固定于定子坐標(biāo)系中pwm逆變器-異步電動機(jī)小信號模型的基礎(chǔ)，研究電機(jī)參數(shù)對系統(tǒng)低頻振蕩的影響；其次，通過逆變器非線性工作特性的分析，研究并揭示了逆變器死區(qū)時(shí)間與系統(tǒng)低頻振蕩的內(nèi)在關(guān)系，考慮逆變器死區(qū)時(shí)間、載波頻率的變化對系統(tǒng)低頻振蕩的影響；最后總結(jié)出提高和改善系統(tǒng)穩(wěn)定運(yùn)行的電機(jī)設(shè)計(jì)和逆變器v/f_c曲線設(shè)置準(zhǔn)則。 - the third part of the work concerns the main influencing factors of the system low frequency oscillation, the small signal mathematical model of the inverter induction motor is established in the stator reference coordinate, effects of the motor parameter on the system low frequency oscillation are researched . then, by the analysis of the inverter nonlinear working characteristic, the internal relationship between the inverter dead time and the low frequency oscillation is studied and clarified, and the effects on the system low frequency oscillation are taken into account, which are produced by the dead time and change of carrier wave frequency of the inverter
首先建立了固定于定子坐標(biāo)系中pwm逆變器-異步電動機(jī)小信號模型的基礎(chǔ)，研究電機(jī)參數(shù)對系統(tǒng)低頻振蕩的影響；其次，通過逆變器非線性工作特性的分析，研究并揭示了逆變器死區(qū)時(shí)間與系統(tǒng)低頻振蕩的內(nèi)在關(guān)系，考慮逆變器死區(qū)時(shí)間、載波頻率的變化對系統(tǒng)低頻振蕩的影響；最后總結(jié)出提高和改善系統(tǒng)穩(wěn)定運(yùn)行的電機(jī)設(shè)計(jì)和逆變器v/f_c曲線設(shè)置準(zhǔn)則。 - the third part of the work concerns the main influencing factors of the system low frequency oscillation, the small signal mathematical model of the inverter induction motor is established in the stator reference coordinate, effects of the motor parameter on the system low frequency oscillation are researched . then, by the analysis of the inverter nonlinear working characteristic, the internal relationship between the inverter dead time and the low frequency oscillation is studied and clarified, and the effects on the system low frequency oscillation are taken into account, which are produced by the dead time and change of carrier wave frequency of the inverter
首先建立了固定于定子坐標(biāo)系中pwm逆變器-異步電動機(jī)小信號模型的基礎(chǔ)，研究電機(jī)參數(shù)對系統(tǒng)低頻振蕩的影響；其次，通過逆變器非線性工作特性的分析，研究并揭示了逆變器死區(qū)時(shí)間與系統(tǒng)低頻振蕩的內(nèi)在關(guān)系，考慮逆變器死區(qū)時(shí)間、載波頻率的變化對系統(tǒng)低頻振蕩的影響；最后總結(jié)出提高和改善系統(tǒng)穩(wěn)定運(yùn)行的電機(jī)設(shè)計(jì)和逆變器v/f_c曲線設(shè)置準(zhǔn)則。 - deposit protection is certainly not an automatic outcome, and neither is the sharing of commercial and consumer credit data, which helps keep the non-performing loan ratio of the banking system low and has benefited consumers by allowing them to replace credit card debt with other, cheaper forms of borrowing
存款保障肯定也不是自行演變出來的結(jié)果共用商業(yè)及個(gè)人信貸資料的措施同樣亦不是自行出現(xiàn)的，這些措施促使銀行體系的壞帳比率維持在低水平，并惠及消費(fèi)者，讓他們能夠?qū)F(xiàn)有信用卡債務(wù)轉(zhuǎn)為其他較低息的貸款。 - and it reaches advanced level in our country . the parametric self-adjusting online interpolation fuzzy control is formed by the applying practical interpolation method and parametric self-adjusting method to routine fuzzy control system the system lower the static error and avoid the flutter of routine fuzzy controller
將實(shí)用插值算法和參數(shù)自調(diào)整算法應(yīng)用于常規(guī)模糊控制系統(tǒng)中形成參數(shù)自調(diào)整的在線插值模糊控制系統(tǒng)，克服了常規(guī)模糊控制穩(wěn)態(tài)精度差、容易產(chǎn)生顫振等現(xiàn)象。 - members observed that under the currency board system low interest rates, resulting from inflow of funds, were the only monetary tool available for facilitating economic recovery, and that asset price increases were a legitimate channel through which monetary expansion could be transmitted to achieve economic recovery
委員會成員留意到在貨幣發(fā)行局制度下，資金流入使利率偏低，是促進(jìn)經(jīng)濟(jì)復(fù)蘇的唯一一項(xiàng)貨幣工具，而資產(chǎn)價(jià)格上升是傳遞貨幣擴(kuò)張的影響以達(dá)致經(jīng)濟(jì)復(fù)蘇的適當(dāng)渠道。