輸周功率 的英文怎麼說

中文拼音 [shūzhōugōng]
輸周功率 英文
output at the wheel rim
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : 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
  1. Elliptical waveguides have found wide applications in a variety of microwave components : waveguide filters, radiators, resonators, and wide - band transmission lines, etc. periodic - loaded waveguides play very important roles in high - power microwave tubes, corrugated antennas and linear accelerators

    在各種微波器件如濾波器、輻射器、諧振器和寬帶傳線中橢圓波導有著廣泛的應用。期加載波導在高微波管、波紋喇叭和線性加速器等中起著重要作用。
  2. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次,理論分析和模擬研究結果表明,由於復位脈沖的非理想特性,單控制的全橋開關放大器出端存在直流偏置問題,其大小與復位脈沖的寬度成正比。針對出直流偏置問題,提出了電壓補償的改進方案,給出了補償電壓的具體計算公式。對補償前和補償后的方案進行了對比模擬研究和實驗研究。
  3. At last, control circuit of one cycle controlled bridge switching power amplifier is improved with the basic idea of one cycle control. the simulation results show that the amplifier of improved control circuit not only solve the question of output dc offset, but also keep the voltage gain lowered by voltage compensation technique

    最後,根據單控制的基本思路,改進了單控制的全橋開關放大器的控制電路。模擬結果表明,改進控制電路后的系統不但解決了出直流偏置問題,而且解決了電壓補償方法所造成的放大器增益下降問題。
  4. 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

    而計算分析和二維數值模擬分析結果表明: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,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。
  5. The radiation field evolves from a steady saturation state to a limit cycle oscillation state, and eventually to chaotic oscillation state as the current increases, the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime, respectively : ( 1 ) in the " soft " nonlinear regime, the radiation field is characterized by period doubled bifurcation and the discrete power spectrum

    隨著電流的增大,輻射場經歷由穩定飽和到極限環型的期振蕩,並最終過渡到非期性混沌振蕩的演化過程,按其狀態可分為「軟」和「硬」兩種非線性區域: ( 1 )在「軟」非線性區域,場的極限環振蕩態和穩定飽和態是交替出現的,其特徵是典型的倍期分岔,譜是分立的。
  6. And the gist of dividing subarray is proposed. according to the gist, a new subarray whose configuration is simple is proposed, and makes its grating lobes unobvious and its adapted antenna pattern close to that of the full optimum processing by confusing the periodicity of subarry and making the power of output noise equal

    然後在此基礎上提出了一種新的結構簡單的子陣結構,並且通過打亂子陣排列的期性以及保證各子陣出噪聲相等,該子陣的柵瓣效應幾乎可以忽略且其自適應方向圖保形良好。
  7. Design considerations of the high power s - band rka are described, by using electron beams of voltage - 600kv, current - 5000a, and the numerical simulations for three kinds of the rka output structures are given. the three kinds of the output strctures are single - gap standing - wave ( sw ) cavity, traveling - wave ( tw ) output structure, and two output structures ( single - gap + traveling - wave structure ). under conditions of using two output structures, the results show that the instantaneous peak power obtained from sw output cavity and tw output structure is respectively 2. 4gw and 2. 1gw, the both power average of 0. 96gw and 0. 93gw, i. e. the s - band rka of two output structures generates peak output power of 1. 89gw at a frequency of 2. 85ghz

    從數值模擬中得到雙出結構的微波出結果為:駐波出的瞬時為2 . 4gw (期平均為0 . 96gw ) ;行波出結構出瞬時為2 . 1gw (期平均0 . 93gw ) ,就獲得了頻為2 . 85ghz的微波出。本文簡要的描述了電磁軟體( magic )對速調管出腔體進行了模擬,並對相應的模擬方法進行了評述。
  8. Using the variational method, analytical conditions for stationary pulse propagation in dense period fibers with strong dispersion management are deduced. the expression of initial soliton peak power is given. by employing the obtained formulas, the soliton evolution semi - analytically in various dispersion maps can be investigated. effects of the third order dispersion are also studied in this paper. the results show that imperfect dispersion slope compensation can cause pulse central position shift and even serious degradation of soliton shape

    利用變分方法,推導出了在強色散管理的密集期光纖中脈沖穩態傳的解析條件,並給出了初始脈沖峰值的表達式.運用這些公式,對各種色散管理系統中孤子的演化進行了半解析的考察.三階色散也被考慮在內.結果表明:不完善的色散斜補償將導致脈沖中心位置的偏移甚至嚴重的孤子形狀劣化
  9. It is well known, the multi - media can deal with tremendous data, in former web condition, confined to the velocity of the connected modem equipment, real - time transmission of the connected media is usually impossible, though it is possible to make the connection come into reality, the loss of the data is very serious, the transmission of the picture may pause or stop obviously and can not reach the ideal effect without practical operation, however, in recent years with the development of the new development in connected web technology, such as xdsl and the mature popularization of the broad band technology like optical fiber

    眾所知,多媒體的數據吞吐量往往十分巨大,在以前的網路狀態下,受制於modem等網路接入設備的速條件,連續媒體的實時傳往往是不可能做到的,即使能夠勉強連接成,其數據包的丟失現象也是十分嚴重的,圖像的傳有明顯的停頓甚至停止的現象,達不到理想的效果,所以並不具有實際的可行性。但隨著近年來網路接入新技術的發展,如xdsl 、光纖等寬帶技術的成熟和廣泛應用。
  10. This experiment include many contents, in a word, that is summer condition experiment, winter condition experiment > summer - winter transition condition experiment and winter - summer transition condition experiment, furthermore summer condition experiment still include flux changing experiment and winter condition experiment still include thermal balance experiment this article dealt with the data of the test, calculating out energy absorbing ( energy discharging ) of buried pipe in winter condition ( summer condition ), input power of heat pump x heat exchanging of piece buried pipe length x co - efficiency performance ? op ( energy efficiency rate ? er ) and average heat exchanging coefficient ; in additiont this article compares the inlet water temperature and outlet water temperature of underground the first layer and the second layer buried pipe when heat pump was running, the results are that the heat exchanging ability of the second layer buried pipe outgos the first layer buried pipe, and heat exchanging is more stable ; and still analyse earth temperature resuming in the transition season. the results are earth temperature resume fast in the first week when the heat pump runs off

    本文測試內容相當多,概括地說就是四個工況的測試,即夏季製冷工況的測試、冬季供熱工況的測試、夏?冬過渡季測試和冬?夏過渡季測試;另外在夏季工況的測試中還進行了變流量測試,在冬季工況的測試中還進行了熱平衡測試。本文對測試數據進行了處理,計算出了冬(夏)季工況埋管吸(放)熱量、熱泵空調器供熱量(製冷量) 、熱泵空調器、埋管單位管長換熱量、供熱性能系數(製冷能效比)和平均傳熱系數等;另外,還比較了熱泵運行時地下一二層埋管進出水溫度變化情形,得出地下二層埋管換熱能力優于地下一層埋管,且換熱很穩定;並分析了過渡季地下一二層埋管溫度恢復情形,得出熱泵系統停機一內地溫恢復特別快。
  11. By using phase shifting control between right bridge leg and left bridge leg, the output cy cloconverter commutating while the bi - polarity three - state high frequency ac volage from the input cycloconveter is zero, . and commutation overlap of the output cycloconverter and polarity selection of the input voltage, the leakage inductance energy and the output filtering inductance current are naturally commutated, and zvs switching of the output cycloconverter are realized, the surge voltage and surge current of the output cycloconverters are overcome

    通過波變換器右橋臂相對左橋臂的移相,讓波變換器開關在波變換器出的高頻交流電壓為零期間進行換流,並藉助波變換器換流重疊和入電壓極性選擇,從而實現了變壓器漏感能量和出濾波電感電流的自然換流、波變換器的zvs開關,解決了波變換器固有的電壓過沖和環流問題。
  12. Its operation frequency is 1. 38mhz, with an integration of a power mosfet whose breakdown voltage is up to 50v. the allowable input voltage ranges from 2. 7v to 5. 5v and its output voltage can be programmed between - 2v and - 15v, additionally, the output current is in a 200ma range in typical application. to avoid the poor efficiency of the pwm control scheme at light load, a skip - cycle - mode operation is introduced that allows system ’ s efficient operation at the light load

    該電路工作頻為1 . 38mhz ,內部集成耐壓50v的mosfet ,入電壓范圍2 . 7v 5 . 5v ,出電壓可在- 2v - 15v間連續可調,典型工作條件下出電流在200ma之內;同時,在輕負載下提供跳期模式,具有很高的待機效
  13. On the base of the fujian power system that has the special configuration of " large power generator with small power system " in 2000, constructs power system models of fujian and fujian interconnected with other parts, does a lot of calculation and analysis and simulation, researches the security mechanism and rule of the fujian special power system interconnected with large power system. the above connection can keep security and stability and can make obvious benefits, but when the transmission power reach to excessive quantity the main power grid will increases interconnected flow - in or flow - out exchange power load. the power operation state tended to instability ; the infirmable interconnection make s the damp infirmable

    本文以2000年前後具有「大機組小電網」特殊結構的福建電力系統為背景,建立了福建電力系統及其與外部互聯的數學模型,開展大量的模擬計算分析,研究了「大帆組小電網」電力系統與大容量電力系統互聯偏弱的安全穩定性的機理和規律:前述互聯可以安全穩定運行,取得顯著效益,當傳達到一定量后,主網架增加了送出或吸收互聯交換的負載,系統運行狀態向穩定性水平有所下降的方向轉移;聯絡偏弱使阻尼偏弱,聯絡線小幅低頻振蕩和大幅低頻振蕩易被激發,聯絡線一旦重載斷開,系統高或低調嚴重。
  14. This project use high voltage ignitor to solve the problem of interrupt. proved by experience, the output characteristic of this welding can be suitable to tech - guideline, and the inverter can work normally during arc welding process. the success ratio of ignition is also good enough

    經實驗結果證明,該焊機出特性滿足技術指標的要求,焊接過程中不出現誤動作,引弧成較高,焊接性能穩定,對圍環境有一定的抗干擾能力。
  15. The portable infrared press instrument has the following characteristics : has small volume and weight and carry easily ; use a keyboard to input orders and display the corresponding information on the lcd display for the sake of the user ' s convenience ; has big data capacity and can collect 30 press measure instruments all the data which have stored for a week ; show the real - time date and time ; communicate through the infrared with speed of 2400kbps ; has the intrinsically safe circuit and can be safely used under coal mine

    本文所研製出的紅外線壓力手抄器的主要特點是:體積小、重量輕、易於攜帶;使用鍵盤入命令,並在液晶顯示屏上給予相應的提示,極大地方便了使用者;數據容量較大,可一次採集30臺壓力測試儀一內存儲的壓力數據;全日歷實時時鐘顯示;紅外數據通訊能,傳為2400kbps ;本安設計,可安全的應用於煤礦井下。
  16. Small signal model of one cycle controlled bridge switching power amplifier is established. the theory research results of one cycle controlled switching power amplifier show that the output signal follow the input signal linearly, and the control performance is decided by output filter

    理論分析結果表明,單控制開關放大器的出信號與入信號成線性變化關系,其控制性能由出濾波器決定。
  17. This kind of converter has the advantages such as high frequency electrical isolation, simple topology, two - stage power conversion ( lfac / hfac / lfac ), high power den sity, bi - directional power flow, soft commutation of output cycloconverter, uni - polarity spwm waveform, no audio noise etc. the correction and advance of the new concept of the 220v + 10 % ( 50hz ) / 220v ( 50hz ) uni - polarity phase - shifted controlled voltage mode ac / ac converter with high frequency

    這類變換器具有高頻電氣隔離、電路拓撲簡潔、兩級變換( lfac hfac lfac ) 、密度高、雙向流、波變換器實現了zvs換流、單極性spwm波、無音頻噪音等優點。
  18. Then novel circuit structure and circuit topologies family of current source ac / ac converters with high frequency ac link, based on flyback converter, are proposed. the circuit structure which can transfer one unregulated sinusoidal voltage with high thd into another regulated constant frequency sinusoidal voltage with low thd, is constituted of input cycloconverter, high frequency storage transformer, output cycloconverter, input and output filter. the circuit topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits

    本文提出了基於反激flyback變換器的電流源高頻交流環節ac ac變換器電路結構及其拓撲族,該電路結構由波變換器、高頻儲能式變壓器、波變換器以及入、出濾波器構成,能夠將一種不穩定劣質的正弦交流電變換成另一種同頻穩定的優質正弦交流電壓;該電路拓撲族包括單四象限開關式、推挽式、半橋式、全橋式等四種電路。
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