differential device 中文意思是什麼

differential device 解釋
差動裝置
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • device : n. 1. 設計,計劃;方法,手段。2. 〈pl. 〉意志,慾望。3. 謀略,策略,詭計。4. 器具,器械,設備,裝置。5. 圖案,圖樣;花樣;紋章;標記,商標;(紋章上的)題銘。
  1. Two detectors are used both in conventional differential astigmatic device and the device given in this paper

    與差動像散離焦檢測原理相同的是,二者都是採用雙探測器進行測量。
  2. By using knife edge as object, and cmos sensor as device for image analyzing, we get edge spread function from the image and use differential operation and fft to obtain modulation transfer function of the lens, then its image quality is known

    以刀口作為目標物,以cmos作為圖像分析器件,從圖像中獲取刀口函數,經微分和fft運算,得到成像鏡頭的mtf (調制傳遞函數) ,從而得知其成像品質。
  3. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻,通過低通濾波取其差頻,並經整形後由數字信號處理電路處理。
  4. 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采樣方法和數據通信也進行了分析和評價。
  5. The device can protect start - up status and running status of asynchronous motors by differential protection, over current protection, negative - sequence current protection, zero - sequence current protection, inverse time current protection, under - voltage protection and so on, can measure every kind of electricity, and can process the function of telecontrol, telemetering and telecommunication

    其依靠電流差動、速斷、負序過流、反時限、零序過流和低電壓等保護方法實現了片電動機的運行、啟動和自啟動過程進行保護,並實現各種電量的計量,同時具有遙控、遙測、遙信的功能。
  6. This engine is equipped by vacuum membrane, double chambers. the engine has reverse device, oil - alarm, liming device and transmission differential. it is the special engine for tricycle and atv

    發動機內部設置倒檔裝置、機油報警器和傳動差速器,屬國內外首創「一體化」的三輪車和沙灘車專用發動機。
  7. The mainly objective includes two parts : one is to develop the mathematical m odel t o study t he flow m echanism o f 1 iquid i n t he b ed of tbr, and the other is to study the technology and device to distribute the liquid uniformly. in the first part, some theoretical models were established to simulate the distribution of flow rate of liquid, such as discrete model, differential calculus model and stochastic model. but these models are difficult to calculate or ca n ' t lead to good results

    在理論模型方面,前人提出了離散模型、微分模型和隨機模型等來模擬液體的徑向和軸向流率分佈,但仍然存在許多問題,往往計算工作量大且常偏離實際情況,本文作者在導師的指導下,參照前人的研究成果,在滴流床的流率分佈中採用了狀態離散、時間離散的markov過程描述了滴流床的流率分佈,結果與實驗值吻合較好。
  8. Three valve units that volume is small, weight is light, structure is simple, strong and durable, parts exchangeability is good. fpr temperature, static pressure variation and impulse the whole device have reliable stability, apply for 1151, 3051, fc, k, cfc, sbcc every series differential pressure transmitter : flow transmitter products coordinate usage, can be installed on the product and with product form integratization, has simplified product installation structure

    三閥組體積小重量輕結構簡單堅固耐用,零部件互換性好,整體裝置對溫度和靜壓變化及沖擊有可靠的穩定性,適用於1151 3051 fc k cfc sbcc等各系列差壓變送器,流量變送器產品配套使用,可直接安裝在產品上,與產品成一體化,簡化了產品的安裝結構。
  9. Three valve manifold that volume is small, weight is light, structure is simple, strong and durable, parts exchangeability is good. for temperature, static pressure variation and impulse the whole device have reliable stability, apply for 1151, 3051, fc, k, cfc, sbcc every series differential pressure transmitter : flow transmitter products coordinate usage, can be installed on the product and with product form integratization, has simplified product installation structure

    體積小重量輕結構簡單堅固耐用,零部件互換性好,整體裝置對溫度和靜壓變化及沖擊有可靠的穩定性,適用於1151 3051 fc k cfc sbcc等各系列差壓變送器,流量變送器產品配套使用,可直接安裝在產品上,與產品成一體化,簡化了產品的安裝結構。
  10. Based on existing device, the disturbance was decreased by adopting the new type of trap filter circuit and differential amplifier circuit, the measuring signal met the requirement in the end

    作者立足於現有器件,通過設計的新型陷波電路和信號差動放大電路,減小了干擾信號對測量的影響,使得測量信號達到良好的效果。
  11. The hz series ( original rx series ) collar - beveltype differential planetary stepless speed changer is developed with the taking part in of some experts from colleges, according to the eighties technology introduced from japan, it is extensively applied to many kinds of transmission systems of the machinery used in the processing which needs stepless drive speed, such as tannery, printing and dyeing, spinning, and weaving, papermaking, plastics processing, chemical engineering, food printing, packing and so on. this product is a better device for stepless speed regulation on mechanical flowline or automatic assembly line

    Hz型(原rx型)系列環錐差動行星無級變速器引進日本80年代新技術,在大專院校有關專家參與下研製生產的,它廣泛應用於皮革、印染、紡織、造紙、制藥、化工、食品、印刷、包裝等各行業工作機械需要無級變速的傳動系統中,是各行業機械流水線、自動線無級調速的較理想的一種變速器。
  12. The system is on the basis of fourier optics. by using knife edge as object, cmos sensor as device for image reception, we get edge spread function from the image histogram and use differential operation and fft to achieve mtf of the lens, then its image quality is obtained

    本系統以傅立葉光學為依據,以刀口為目標物,以cmos為圖像接收器件,採用獨特的演算法,從刀口圖像的灰度直方圖中獲得其刀口邊緣函數,經微分和fft運算,得到待測鏡頭的mtf ,從而得知其成像品質。
  13. The platform is widely applied in precision engineering, ultraprecision machining and et al, which consists of a mechanical elastomer, two piezoelectric actuators, two driving circuits based on charge - feedback, two linear variable differential transformers, and a numerical control device based on c8051f021

    該平臺主要由機械彈性體、壓電作動器、壓電作動器驅動電路及電荷反饋迴路、差動變壓器測微儀和c8051f021單片機控制裝置等構成。
  14. Differential locking - device

    差速器鎖止機構
  15. Problems originated from 220 kv transformer differential protection device acting

    變壓器差動保護動作引出的問題
  16. A differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system

    差動繼電器作為保護裝置,差動繼電器由位於系統中兩個不同位置的電流互感器提供反饋信息。
  17. Differential relay a differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system

    差動繼電器作為保護裝置,差動繼電器由位於系統中兩個不同位置的電流互感器提供反饋信息。
  18. Differential pressure measuring instruments with magnetic piston and compression spring, nominal size nd 80, with or without electric contact device

    帶有磁性活塞和壓縮彈簧的差動式壓力測量儀表,標準尺寸表徑80 ,有或沒有電接點。
  19. Model 2600 differential pressure measuring instruments with magnetic piston and compression spring, nominal size nd 80, with or without electric contact device

    帶有磁性活塞和壓縮彈簧的差動式壓力測量儀表,標準尺寸表徑80 ,有或沒有電接點。
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