paper loop 中文意思是什麼

paper loop 解釋
紙帶輪
  • paper : n 1 紙;裱墻紙。2 報紙,報。3 收據;債券;證券;票據;匯票;鈔票(=paper money)。4 〈pl 〉身份...
  • loop : n 1 (用線、帶等打成的)圈,環,匝,框,環孔,線圈;【醫學】(常 the loop)宮內避孕環。2 環狀物,...
  1. The results of experiment tell it is an effective method of share current. a strategy of synchronization control, which combines competition coequality and priority, is mentioned in the paper and uses digital phase - lock loop to track synchronization signal

    在同步控制上,應用了「優先與搶占」的方式產生同步信號,純硬體實現,簡單可靠;使用了成熟的數字鎖相環來跟蹤同步信號。
  2. In this paper, a kind of output current feed - forward circuit is added into the input of the current loop. by adding this compensatory circuit, the output character of the inverter is improved greatly

    本文還研究了一種提高逆變器輸出電壓外特性的思路,通過將負載電流正反饋給逆變器的電流環輸入端,從而達到提高輸出電壓的外特性的目的。
  3. The last part of this paper designed a simple three - dimensional proportion homing rule according to three - dimensional opposite equation of motion of missile - target. and the simulation of the big - loop of terminal guide, control and motion was given

    最後根據導彈?目標的三維相對運動方程設計了一種簡單的末端三維比例制導律,並對導彈的末制導、控制以及運動大迴路進行了綜合模擬。
  4. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機,並採用感應同步器作為角度測量元件,運用軸角轉換器ad2s80a進行角度和速度的輸出,採用技術成熟的pid控制方案,進行速度和位置雙閉環控制,以實現指向反射鏡轉動速度的平穩性和位置的精確性。
  5. Adsl, is the most cost - effective technology recently, because it can utilize the existing loop line of pstn. lt is also the most popular one of the rbb ( residential broadband network ) technologies. the paper provides a scheme for user - side adsl access - - - - - - embedded adsl gateway

    目前有著多種寬帶接入技術和方案可供選擇,其中adsl技術可以在不改變現有接入線路的情況下達到寬帶接入的目的,可以最大限度的利用現有的線路資源,是目前居民寬帶接入最受歡迎的一種。
  6. This paper also tested each model and system - the second loop of qinshan nuclear power station ( the second term ) , computed the balance point , tested the performance of step disturbance and runback loads for system ( no adding adjustment system ) , analyzing the factors effecting the first tiptop rotate speed of turb and time which the rotate speed reach the tiptop

    在模擬模型上,完成了穩態計算、系統階躍擾動試驗、甩負荷試驗(未加調節系統)等測試,主要監控和分析了汽輪機動態特性中兩個重要參數:汽輪機第一飛升轉速、飛升時間。
  7. The paper makes a systematic study on frictional torque model for hydraulic system, after the analysis of the ultra ? low speed principle of closed - loop system, it can be concluded that the existence of the difference between static frictional and dynamic frictional torque, and the periodic saltation of the dynamic frictional torque, are the main reasons of the low speed stick - skip to the electrohydraulic position servo system

    針對伺服馬達的低速性能,進行了低速實驗研究,併兼顧快速性能進行了階躍響應和正弦響應實驗研究,對實驗結果進行了分析,得出了一些有價值的結論,提出下一階段進行實驗的建議。
  8. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  9. This paper illuminates theory, structure, spectrum distribution, merits and defects, especially spurs of direct digital synthesis ( dds ), and it then introduces phase locked loop ( pll ) theory

    對dds的結構、優缺點、頻譜分佈,特別是雜散性能進行了詳細的闡述。接著,又介紹了鎖相環( pll )的原理。
  10. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。
  11. In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys

    本文首先對子母式穿甲彈總體參量作了全面的計算分析,其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度,論證了子母式穿甲彈對付爆炸式反應裝甲的可行性,然後對子母式穿甲彈彈頭部進行了總體設計,其中主要對子彈的發射過程進行了詳細的分析,得出了母彈彈頭部發射孔內閉鎖環厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系,設計出了合理的母彈彈頭部結構和子彈的結構,並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。
  12. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模擬模型。
  13. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  14. Based on researching the function of every kind of eliminating arc loop, new concept was brought up in this paper, and the protective device for eliminating arc and overvoltage was researched and manufactured. when the arc light connecting the ground emerges, the chip synthesizing controller control the vacuum contacter which can be operated with dividing phase and make its fault phase earthed so that the arc light can be dissolved thoroughly

    本文在研究各種消弧線圈的基礎上,提出全新的概念,研製出了消弧及過電壓保護裝置,該裝置在出現弧光接地時,通過單片機綜合控制器控制一組可以分相操作的真空接觸器,使故障相接地,達到徹底消除弧光的目的。
  15. Several carrier frequency estimation algorithms including ekf and rls with opened loop are analyzed, which aim to settle the carrier phase estimation problem preferably under high dynamic circumstances. an improved phase and frequency esti - mation algorithm is proposed in the paper. simulation results show that the algorithm is faster and more precision than other algorithms

    為更好地解決高動態環境中的載波同步問題,本文進一步研究了存在動態多普勒頻移情況下的開環相干載波同步問題,包括基於擴展卡爾曼濾波、最小二乘演算法等的頻差、相差聯合估計方法。
  16. In this paper the knitting principle and loop - forming process of stitch - bonded fabric knitted on flat knitting machine are conceived with the keys methods in this flat knitting put forward

    摘要文中構思了橫機縫編織物的編織原理以及成圈過程,提出橫機上編織需解決的關鍵問題及其解決方案,驗證了橫機上編織縫編織物的原理。
  17. Because massive harmonic interference in the electrical network, it causes signal - sampling to include the very big harmonic in the measurement system, for eliminating measurement result influence by harmonic, the paper has an in - depth study of fourier transformation harmonics analysis measurement principle, analysis the forming reasons of frequency spectrum leakage and railing effect during measurement, achieves phase locked loop and frequency multiplier technique to realize integer - period synchronous sampling and eliminate impact of frequency spectrum leakage and railing effect in the result of measurement, and investigates in depth theory on phase locked loop and frequency multiplier technique, gives the method of realizing phase locked loop and frequency multiplier technique

    由於電網中存在大量的諧波干擾,導致測量系統中取樣信號也含有很大的諧波,為了消除諧波對測量結果的影響,論文深入研究了傅立葉變換諧波分析法的測量原理,分析了測量中頻譜泄漏和柵欄效應形成的原因,提出了採用鎖相環倍頻技術實現信號的整周期同步采樣,消除頻譜泄漏和柵欄效應對測量結果的影響,並對鎖相環倍頻技術的理論進行了深入研究,給出鎖相環倍頻技術的實現方法。
  18. This paper is to study harmonic maps into symplectic groups and local isometric immersions into space forms by means of the soliton theory. by realizing an action of the rational loop group on the spaces of corrsponding solutions, we get the backlund transformation and the darboux transformation, and thereby we give the explicit construction for harmonic maps into symplectic groups and local isometric immersions into space forms via purely algebraic algorithm

    主要用孤立子理論研究到辛群的調和映射和到空間形式的局部等距浸入,通過有理loop群在其解空間上的dressing作用,給出b icklund變換和darboux變換的顯式表示,從而獲得到辛群及其對稱空間的調和映射和到空間形式的局部等距浸入的純代數構造方法。
  19. At the same time, the method of getter placing, reconstructing of hf - inducting heating loop and getter high temperature firing technique were mainly described in this paper

    同時,在除氣工藝中,重點介紹了消氣劑在顯示屏內的放置方案,高頻感應加熱線圈的改造方案及烤消工藝技術。
  20. Thirdly, the paper detailedly explained the whole system ’ s hardware structure based on dsp, and made the flow chart of the software which realized the pwm occur, the current control loop and the voltage loop

    然後給出了基於dsp的全數字式6kw三相應急電源的硬體實現方法,結合設計出來的硬體,編制了基本的dsp底層程序流程。在程序中實現模擬量采樣, pwm產生,電壓控制環和電流控制環等功能。
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