working frequency 中文意思是什麼

working frequency 解釋
工作頻率
  • working : adj 1 工作的,從事勞動的。2 操作的,作業的。3 工人的。4 (用於)實際工作的,任事的;使用(中)的...
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. Fourthly, according with the analyzing of flow measurement, we research the main problems needed to be solve in the process of measurement, such as analysis and measurement of the internal resistance, selection of excitation frequency, stable signal datum mark and restraining common mode interference, restraining for serial mode interference and working frequency interference ; transporting and shielding the flow signal, constant current excitation and magnetic field equalizing, flow measuring

    第四,根據對流量測量問題分析的,深入研究了設計過程中需要解決的主要問題。如內阻分析與測量;勵磁頻率的選擇;穩定信號基準點與抑制共模干擾;串模干擾與工頻干擾抑制;流量信號傳輸與屏蔽;恆流勵磁與磁場補償;流量測量點的選擇等。
  2. This thesis built the models computing the working frequency over - voltage " operation over - voltage for 220kv fugai transmission line, calculates and analyzes working frequency over - voltage " operation over - voltage using emtp program and provides reasonable protection measures for the transmission line. furthermore, regulations method, traveling wave method and striking distance method are used to study and compare lightning - enduring capabilities of different types of pole in power transmission lines aiming at the fact that the lightning strike switching rate of 220kv fugai line is higher

    本文分別建立了計算220kv復蓋線路的工頻電壓升高及操作過電壓的計算模型,利用emtp程序對220kv復蓋線路工頻電壓升高、投切空線過電壓、投切空變過電壓、單相故障過電壓進行計算分析,並提出合理的防護措施。
  3. Through analyzing and researching the problem of variable frequency to working frequency of high - power electromotor in theory, the key of conversion is pointed out in the paper. on the basis of analyzing equivalent circuit diagram and vector - diagram of induction - motor, the phase of working frequency power whether or not consistent with the output phase of variable frequency power at the moment of conversion is the key to decide whether the conversion is successfully

    本論文針對大功率電機變頻轉工頻轉換存在的問題在理論上作深入細致的研究,根據感應電動機的等效電路和相量圖分析,指出大功率電機變頻轉工頻能否成功,關鍵在於變頻轉工頻瞬時,工頻電源和變頻輸出電源是否相位一致。
  4. The simulation shows that both pulse - swallowing counter and d / a converter ' s working frequency reach 330mhz

    模擬結果顯示,吞脈沖計數器及d a轉換器等器件的工作頻率均達到了330mhz 。
  5. So the foundation is set for its practical use. 4 the acting - straight - sorting and dropping plug set is designed, which can solve the sorting plugs unclearly because of the difference between individual plug seedlings, and can raise the punctuality of sorting plug seedlings and the veracity of plug seedling dropping into the lead - plug - seedling - tube, in addition, the working frequency of acting - straight cylinder is calculated by analysis to the movement and strength of the key parts in this system which can accelerate the transplanting rate to 3 plants per second, further more, a lot of operated experiments indicate that the working reliability of this set can be raised under the condition of the proper seedling transplanting speed

    4採用直動? ?雙擋銷式分缽落苗系統,不僅解決了因為缽苗個體差異帶來的分缽不清的問題,而且提高了缽苗分缽的準時性和缽苗落入導苗管的準確性;同時,通過對該系統工作過程的主要工作參數的運動和受力情況分析,確定了該系統各直動汽缸的工作頻率,使分缽落苗速度達到3株/秒以上,進一步通過大量試驗對其進行驗證,證明了該系統在滿足栽植速度要求的前提下,可以大大提高了系統的工作可靠性。
  6. It works at high frequency with a selectable pin outside ; the working frequency is fixed at 640k / 1. 2mhz. so far as the output signal of the single - chip ic is concerned, the maximum time proportion of its high level is 88 percent, but the minimum one is 10 percent

    該控制器為pwm脈沖寬度調制方式;電路正常工作溫度范圍為- 20oc 85oc ;工作開關頻率根據外圍電路輸出電壓需要為640k / 1 . 2mhz可選;輸出信號的最大占空比為90 % ,最小占空比為10 % ,晶元主要應用於lcd電壓電源管理設備。
  7. Many basic circuit models are fabricated, and the material parameters are selected to make the devices reaching its highest working frequency

    做了大量基本電路模型,選取了使器件達到最高工作頻率的每一個元件的具體參數。
  8. Green - mode which provides off - time modulation to linearly decrease the working frequency under light - load conditions and power limiting which will turn off the transistor when peak current of inductor reaches the threshold current

    同時該電路集成了能在輕負載情況下自動降低頻率的綠色模式以及能在電感峰值電流過高時關斷調整管的功率限制模塊,降低了系統的功耗。
  9. So, we must research and develop a kind of receiver with good expansibility that the working frequency band is wide, and the adaptive capacity of the wave form is strong

    所以,必須要研究開發一種工作頻段寬,波形適應能力強,可擴展性好的接收機。
  10. The maximum permissible error when the working frequency of resistor is equal to or lower than the measurement frequency

    電阻箱的工作頻率等於或低於測試頻率上限時的最大允許誤差。
  11. Focusing on a 64 - bit high - performance general purpose microprocessor with fully independent intellectual property, the thesis investigates a 128 - word 65 - bit general register file with 12 - read and 8 - write ports which is a representational one for its large - scale and multi - port characteristics in that microprocessor, and realizes its full custom design with high speed in read and write access. from the layout simulation result, under the 0. 18um process, the upper limit working frequency for the register file is 900mhz

    本文面向一款具有完全自主知識產權的64位高性能通用處理器,對其中具有代表性的128字65位12讀埠和8寫埠的通用寄存器文件進行研究,實現了它的高速讀寫全定製設計,版圖模擬結果表明,在0 . 18um工藝下,設計可以工作的時鐘頻率上限為900mhz 。
  12. Studies indicate that : ( 1 ) it is the approach of the first natural frequency of the handle ( 43. 9hz ) and the working frequency under the rated rotate speed of the engine, due to the unreasonable mechanism design, that causes the serious vibration on the handle of the gn31 cultivator

    研究表明: ( 1 ) gn31耕整機扶手架的振動量過大主要是由於扶手架的1階固有頻率( 43 . 9hz )和耕整機發動機的額定轉速下的慣性力1階頻率( 43 . 3hz )接近,為扶手架結構設計不合理所致。
  13. The millimeter wave diplexers used in the ka - band satellite communications are investigated. these diplexers are of high working frequency, narrow passband and high selectivity, which demands the channel filters good performance

    所研究的毫米波雙工器工作頻率高(接近40ghz ) ,收發通道帶寬窄、接收頻率和發射頻率間隔很小。
  14. The structure of circuit are highly integrated. it not only has a simple structure, but obtains a more high frequency of signal processing than the circuit based on singlechip. ( the highest working frequency of sinlechip circuit is about 12m while this system almost reach 50m ) a higher speed of signal processing ensure the system achieve a better display quality

    本系統將pld晶元設計成系統信號驅動的控制晶元,實現了電路結構的高度集成化,不僅結構簡單,而且信號處理的頻率大大高於單片機電路(普通單片機電路最高工作頻率為12m左右,而本系統控制晶元達到50m以上) ,更快速的信號處理速度保證了系統產生更優良的圖像質量。
  15. The features of this circuit are designed as : the input voltage ranged from 2. 5v to 7v, and the working frequency is fixed at 1. 0mhz, pwm maximum duty cycle is 87 %. this ic chip can be used to drive white led displays in cellphone, digital camera, mp3 player, pda and other portable digital devices

    該電路的輸入電壓范圍是2 . 5v ~ 7v ,工作頻率1 . 0mhz ,輸出信號工作的最大占空比為87 % .此晶元可以用於驅動手機, pda ,數碼相機, mp3等數碼產品的led 。
  16. Because there are a lot of bugs, such as low working frequency, big switch stress, difficult increasing the discharge power, difficulty to design magnetic components and un - reliable control system, in the high power and middle - frequency supply for ozonizer in hunan yuanchao company, the ozonier markets is shrinking

    本課題是結合某廠1kg / h級的中頻大功率串聯諧振式臭氧電源工作在容性工況下的條件進行開發研究的,作者作為主要研究人員參與了該電源的研發工作。
  17. This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful

    本課題的目標是研製一個輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大,工作頻帶寬,帶內增益波動小,線性度高,所以其終合設計難度大。鑒于這個原因,在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術;在實踐中精心設計電路,並且配合eda軟體模擬,最終達到所要求的指標。
  18. Optimum working frequency owf

    最佳工作頻率
  19. Electric performance index of the system is given. the ac standard equipment should be 3 - phase output standard resource by which the ac voltage, ac current, power factor, 3 - phase - 3 - line effective power, 3 - phase - 4 - line effective power, reactive power and single phase watt meter, working frequency and phase meter can be examined. the system makes full use of the main computer which has multi function in the examination

    給出了電氣性能指標,交流標準裝置應為三相輸出標準源、使其可校驗交流電壓、交流電流、功率因數、三相三線有功功率、三相四線有功功率、無功及單相電能表,同時可校驗工頻頻率表及相位表,在校驗檢測中充分發揮主機多能的作用。
  20. Piezoelectric power supply has been obtained wide recognition during the past ten to twenty years, its characteristic is transforming electric energy to mechanical and then again to electric form, it is driven by pure sine waves with working frequency range from 60khz to 150khz and as technology develops it will soon enter the high frequency territory with 400khz or even 600khz

    壓電電源,是專業性技術創新型非常強的公司。壓電電源是才興起的只有一二十年歷史的新型電源,其特徵是能量轉換形式為電能-機械能-電能,工作效率從60 - 70khz至150khz ,並即將發展至400
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