采樣值 的英文怎麼說

中文拼音 [cǎiyàngzhí]
采樣值 英文
sampling value
  • : 采名詞(采地) feudal estate
  • : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
  1. Firstly the electric - drive equipment is simplified in order that its circuits " working status could be obtained by computer by disposing the sampling value. secondly interface program is designed under objectarx2000 in order to drive the static circuit diagram drawed by autocad. lastly sampling value is transferred through the communication between pc and several sampling scms

    有幾個關鍵性技術問題得到了解決:首先將電傳動裝置進行簡化,使其電路工作狀態通過計算機對電壓采樣值的處理得到確定;其次利用二次開發工具objectarx2000開發出介面程序,實現了對autocad所繪制電傳動電路圖的驅動;最後通過pc機同多個單片機的通訊解決了對大量數據的傳輸問題。
  2. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步方法和數據通信也進行了分析和評價。
  3. Umbra - you need samples values equal to or greater than 2 to see any influence of this button

    日蝕采樣值必須不小於2 ,查看該按鈕的任意想過。
  4. The design adopts ac sample method to get 3 - phase voltage and current samples. the design computes three basic electric parameters according the sample values and monitors the voltage and current of pumping machine with keyboard and lcd

    對抽油機工作電壓、電流進行數據採集,用方均根法由交流采樣值計算三個基本電參數,並通過lcd和鍵盤進行隨時的監測。
  5. Even if the fault spread from external fault zone to internal fault zone, the differential protection can avoid misoperation. main criterion of protection is composite - percentage current differential algorithm according to every sampled value, which can accelerate the protection ' s trip, reduce large amounts of calculation and have strong stability to ta saturation

    本文採用基於采樣值的比率制動式電流差動保護演算法作為保護的主判據,可以明顯提高保護動作速度和減少計算量;具有較強的抗ta飽和能力,在區內故障時無制動,區外故障時有極強的制動特性。
  6. Abstract : in this paper, the setting scheme of the current differential protection based on sampled values using fault component is investigated. the setting schemes of the resistance coefficient and the least trip differential current are discussed in detail. the probable protection setting values for the hv transmission lines are described. it testifies the feasibility for the applications of the protection to the hv transmission lines

    文摘:對基於故障分量的采樣值電流差動保護制動特性曲線的整定方法進行了研究,詳細討論了其制動系數和最小動作電流的整定方法,同時對該保護在輸電線路中的應用進行了初步的估算,說明了該保護的優異性能。
  7. In this paper, the application of dsp technology in electric power measurement meter has been studied, meanwhile analysed the error of the electronic energy meter, put forward the measure to compensate error with software method. it not only changes the precision degree of electric power measurement meter, but also avoids the disadvantage from error compensate with hardware method, it is unnecessary to adjust the sample value of voltage and electric current in circuitry

    對dsp技術在電度表中的應用進行了研究,對電度表系統的誤差進行了分析,提出了採用軟體方法來補償誤差的措施,使電度表的精度達到了設計要求,又避免了利用硬體進行誤差補償所帶來的弊端,不用在線路中調整電壓、電流采樣值,有利於生產。
  8. Based on the comprehensive analysis of the application status and the existed problems of transmission line fault location, this dissertation presented a new algorithm for fault location based on two - terminal asynchronous data, which can make correction for the integrate error of line parameter, length of transmission line, sampling value and so on. at the same time, it can work out the two - terminal asynchronous phase angle with the corrected parameters

    本論文在充分分析了國內外故障測距的理論與技術以及存在的問題后,針對輸電線路故障定位因線路參數變化對定位準確度的影響,提出了能夠對線路的參數、長度和采樣值等誤差等進行綜合誤差修正( cie )的新演算法,並利用修正後的參數來求解兩端的不同步相角差。
  9. On the basis of this, a set of equations are derived to calculate the signal parameters ( frequency, amplitude, phase and the rate of attenuation )

    在此基礎上對電力信號的等時間采樣值建模,由此獲得了上述信號參數(如頻率、幅、相位、衰減速率)的計算方法。
  10. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ,實現了電流(電壓)?數據處理?電流控制的閉環控制結構;地電位的抬升解決了a / d轉換器對負高壓迴路電流時的輸入范圍匹配問題;控制信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根據常規的比例?積分?微分( pid )調節模型,針對陀螺系統的特性,給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法;不同條件下系統穩流性能的對比、分析在論文最後給出,並據此找出了決定該系統穩流精度的關鍵因素,提出了系統的改進意見。
  11. Noise - the shadow samples are offseted from each other in a pseudo - random way, which artificially soften the borders of the shadows

    噪聲陰影采樣值的間呈偽隨機數序列,將逼真地模擬陰影的邊界。
  12. It artificially softens the borders of shadows ; when the samples is set very low, you can expect poor results, so dither is better used with medium samples values

    可以逼真地銳化陰影的邊界;當采樣值很低時,效果很差,所以抖動和中度采樣值一起使用。
  13. In such way, the frequency, the virtual value, the harmonic and power factor are acquired. it can achieve the intelligent control by way of cooperating with master station automatic apparatus system through adopting rs - 485 communication standard

    同時根據采樣值系統計算了頻率、有效、諧波、功率因數等電量,並通過rs - 485通信口與二級子站微機相配合,達到智能控制的作用。
  14. On problems about sampling value differential protection

    再談采樣值差動保護的一些問題
  15. For square area lights, you have to set only one samples value ( samples )

    對于正方形區域照明,你只能設置一個采樣值) 。
  16. The repetition rate of 8 - digits per sample value is higher than that of 4 - digits

    采樣值8位(碼)的重復速率比4位的重復速率高。
  17. It is not useful at all with high samples values, as the borders will appear already soft

    采樣值在邊界已經很平滑的情況下沒有什麼效果。
  18. It should be considered obvious that these results will never be better than the same lighting with high samples values

    當然這些方法的效果永遠不如你使用一個較高的采樣值
  19. For rect area lights, you can set different samples values in the two co - planar directions of the area light ( samplesx and sampley )

    對于矩形區域照明,你可以設置在區域照明的兩個平面方向上設置不同的采樣值x和y ) 。
  20. Once again, this option is not very useful when you use high samples values ; the drawback is that this noise generates quite visible grainyness

    ,該選項在高采樣值時效果沒什麼效果;不利之處在於噪聲會產生可見的灰色效果。
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