環路計時 的英文怎麼說

中文拼音 [huánshí]
環路計時 英文
lootiming
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 計時 : reckon by time; timing; chronography
  1. Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre

    5 .根據tsmc0 . 35 msigebicmos工藝模型,利用cadencespectre模擬軟體對所設的電荷泵鎖相中各個模塊及整個系統進行了模擬模擬,模擬結果顯示,在1 . 5v電源電壓下,頻率為200mhz的參考輸入信號,輸出中心頻率為800mhz ,分頻電採用4分頻,帶寬為10mhz ,捕獲間大約為0 . 92 s ,功耗大約為15mw ,達到了設指標。
  2. In the next place, by studying the change of the resonant frequency of the whole system, this paper designs the circuit to track the resonant frequency of the system by cd4046 mainly. at the same time, in order to improve the efficiency and get better dynamic capability of the converter, we choose pll and fuzzy control after comparing the pll circuit, fuzzy circuit and pll ? fuzzy control circuit. in the end, this paper brings forward the control blue print to realize the drive control circuit of the high frequency converter, using the dsp chip as the key part to realize four routes of pwm drive pulses with dead band of the control system

    其次,通過對整個系統諧振頻率變化的分析和研究,設了以鎖相cd4046為核心的鎖相控制電,同,在綜合比較鎖相控制、模糊控制以及模糊控制和鎖相復合控制三種控制演算法的基礎上,進行了系統模擬,得出採用復合控制可使跟蹤電既具有鎖相較好的穩態性能,又擁有模糊控制較好的動態性能,系統魯棒性能好,同也提高了逆變器的效率。
  3. In this paper, a clock recovery system that based on phase control technology is studied

    本文設的鎖相是基於相位控制技術的鐘恢復系統。
  4. One of the main problems in pdes is how to partition the network simulation workload to decrease the time needed to complete the simulation and improve performance of simulation. here a new optimized partition algorithm was put forward, which first analyses the performance factors of parallel simulation and then constructs a performance estimation model for partition ; based on this model, it mends the graph partition algorithm to consider all factors, including simulation applications and simulation environments. optimized factors are workload balance 、 communication cost and time window of lookhead

    鑒于基於傳統圖劃分演算法的任務劃分工具存在諸多不足,本文提出了并行網模擬任務的優化劃分方法,其思想是:首先從pdes機制出發,分析影響并行網模擬性能的各種因素並建立一個能夠綜合考慮各種因素的并行網模擬性能估模型;其次,改進多級圖劃分演算法,使得演算法具有綜合考慮模擬應用與模擬運行境,同在優化過程中使用性能估模型指導劃分,實現對影響并行網模擬性能的三個因素(包括負載均衡、通信開銷、安全間窗口長度)的優化能力;最後,結合併行網模擬性能估模型與改進的多極圖劃分演算法,實現了并行網模擬任務的優化劃分。
  5. Fisrt, this paper dissertates the necessities and feasibilities for establishing and implementing ims theoretically. second, it resreachs the problems in the process of establishing and implementing ims, and list the planning and designing moughtway for 5th engineering corporation of china railway 20 bureau group. meanwhile, it provides some suggestions for key steps of establishing and implementing an ims. for example, orgnazational improment, training implementation, initial review, development of managerial principal and goals, and compilation of procedural documents. after that, this paper designs a set of evaluation indicators on the basis of pdca., and put forwards evaluation method and process for the effectiveness of an ims. last, it also makes some concrete proposals vs possible difficulties in the process of performimg an integrated management system, for the continual improvement of the corporation ' s ims

    本文首先從理論上分析了建立與實施一體化管理體系的必要性和可行性;其次,對中鐵二十局集團五公司質量、境和職業健康安全一體化管理體系的建立與實施問題進行了研究,給出了該公司建立與實施一體化管理體系的策劃和設,同就建立與實施過程中的重點問題進行了研究,如組織機構的優化、貫標培訓的實施、初始評審的實施、管理方針的確定、管理目標的設定以及程序文件的編制等;然後,設了基於pdca (策劃、實施、檢查、處置)模式的一體化管理體系有效性評價指標體系,給出對五公司一體化管理體系有效性進行評價的方法和過程;最後,分析了一體化管理體系運行過程中可能遇到的問題,並給出中鐵二十局集團五公司一體化管理體系持續運行的具體建議。
  6. The tracking method of interference delay is studied and simulated. referring to late - early loop gate, a method that applies to this system is proposed. slight adjustment of delay difference is done by interpolation, so the whole digital structure is obtained

    以數字通信中的遲-早門為基礎,提出了適用於pcma系統的跟蹤,並且利用插值的方法實現了延差的微調,得到全數字化的設結構。
  7. Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error

    對不完整圓的位置、不完整圓的轉動間隙、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析,並給出轉動標記隨機誤差的算公式。對大直徑測量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、境溫度引起的誤差、後退距離引起的誤差、角度誤差、數據採集電誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了算,最後對誤差進行合成。
  8. The synchronous rectifying and low power sampling technology is used to reduce the power consumption, flexible external loop compensation, error amplifier output clamp are adopted for better system large signal response. the piecewise slope compensation technology is employed to minimize the consequence of over compensation. the sensor resistor is externally connected, which realize output voltage programmable. the overheat protection and under voltage protection modules are integrated in the die to allow the reliable operation of the system

    ,電採用同步整流技術、低功耗電流采樣技術降低功耗,提高轉換效率;採用靈活的外部補償技術、誤差放大器輸出嵌位技術以實現良好大信號特性;採用分段斜坡補償技術,消除不穩定因素,並最大程度地減小過補償帶來的問題;採用外接輸出采樣電阻的方式,實現輸出電壓的可編程。
  9. The wiener index of peptoids, when the fragment graph is a path, has been calculated, see the reference [ 40 ]. we study the wiener index of peptoids, when the fragment graph is more complicated : a complete graph, a wheel, a cycle and a circulant graph. we get the exact expressions for them

    有關類肽圖的骨架圖為的wiener數的算結果已經有了,我們研究的骨架圖為比較復雜的幾個:完全圖、輪、圈和循圖等,並獲得了它們的wiener數的顯式表達式。
  10. Today in information age, deepenning gradually of technical application of broadband, broadband impacts tremendously on the original billing mode. the single " month - rent " and accounting on time under the narrowband network conditions can not meet the real application demands of the broadband network because of its abundant network content and enormous data flow

    在信息代的今天,伴隨寬帶技術應用的逐步深入,寬帶對原有的網費模式產生了巨大的沖擊,豐富的網內容、巨大的數據流量使得窄帶境下的粗放包月制和按費方式已經不能滿足實際的應用需求。
  11. And so on, the mathematical model and transfer function of the tracking system are built, and the feasibility of the tracking control system design is demonstrated. furthermore, the static error of the system with a unit incline input is deduced. a majority of model of unit is based on analytics, so the general model can apply to other optical intersatellite communications systems

    在此基礎上,將atp跟蹤控制子系統視為線性定常系統,通過解析法和實驗法對子系統的各個控制節的單元器件進行合理建模,得出整個總的開及閉傳遞函數,論證了本課題所設的atp跟蹤控制的可行性及其視軸輸入為斜坡信號的理論穩態誤差。
  12. In order to offer a systemically conceptual framework for the efficacy of policy design and implementation, this study intends to explore the conception of democratic governance and use the concept of level analysis to connect varied governance instruments in policy process

    面對政策系絡的復雜性和不確定性,預期運用單一制度性架構達成政策目標,是不切實際且不夠周全;亦即不論司法、市場、政治性途徑,抑或新近所謂的政策網研究皆可視為新治理架構的一,亦皆為政策設必須審慎思考的有用機制。
  13. Three layer architecture client / web / server of computer wide area network was adopted in this system, applying internet technique, using java language and informix database, the automation during the whole process of transmission circuit dispatching was realized, including application, approval, dispatching feedback, manual operation process was reduced, meantime convenient and rapid inquire method was provided, the work efficiency and data accuracy were increased

    本課題採用client web server算機廣域網的三層體系結構,運用internert技術,使用java語言和informix數據庫,實現了對傳輸電調度的過程中申請、批復、派發、反饋全過程的自動化,減少了人工操作的節,同提供了方便、快捷的查詢手段,提高了工作效率和數據的準確性。
  14. Chongqing expressway networking toll data communication network cotains 2 - ring and 8 - ray network structure based on expressway physical structure, setting up a trasmission trunk layer of sdh stm - 4 ( can be up - graded to stm - 16 ), and channel protection business entry layer consisting of sdh onu / olt stm - 1 ( can be up - graded to stm - 4 ). data exchange layer, through ip route exchange network above sdh network, forms 3 - level computer network structure of account settlement center - road section management company - toll station. to ensure obtaining original and reliable toll data from communication network, 2m circuitous chain is established between each toll station, accountsettlement center and road section management company, and also pstn dialing backup chain is set up between toll station and account settlement center. in order to maintain clock synchronization of the whole communication network, a proposal of sub - stage clock sychrononization signal network for differet network construction scale has been put forward in this design. in view of sensitivity and importance of toll data, this design particularly gives considerations of network safety and information safety for external and internel of network. therefore, communication safety, smoothness and reliability of networking toll system can be able to maintained in many ways

    重慶高速公聯網收費數據通信網的結構是根據高速公的物理結構構築了28射的網狀結構,建立了以sdhstm - 4 (可升級到stm - 16 )的傳輸主幹層,以sdhonu / oltstm - 1 (可升級到stm - 4 )組成的通道保護業務接入層。數據的交換層是在sdh網之上的ip由交換網,形成了結算中心-段管理公司-收費站之間的3級算機網結構。為從通信網上保證收費數據的原始性和可靠性,每個收費站和結算中心、段管理公司之間建立了2m迂迴鏈,同在收費站和結算中心之間建立了pstn的撥號備份鏈
  15. As object of exemplification studying. and the suggestions of hengtai ' s taking the stratagem of low - cost - focus are certain on the bases of analyses its present situation of supply chain. at the same time, the plan of supply chain management of hengtai, including concatenation plan, management of vender pal and tpl plan, was set up so as to cut down the cost of hengtai from the aspects of provider - seller, producer - vendor and logistics

    本文以楊凌亨泰綠色高科有限公司為實證研究對象,在分析了其供應鏈現狀的基礎上,確定了企業採用低成本聚焦戰略的基本思,同了包括加盟連鎖、供應商管理和第三方物流子方案在內的楊凌亨泰低成本運營管理方案,力圖在生產商-經銷商、供應商-生產商、物流三個節上降低企業的成本。
  16. As token ring has dual rings, it displays better fault - tolerant capacity than that of bus architecture. employing tokens to pass protocols, token ring is once again a better choice as compared with bus using csmaicd in real time

    形網具有獨特的雙比總線結構有更好的容錯性;而採用令牌傳遞協議又使其在實性上優于採用載波偵聽多訪問技術的以太網。
  17. Meb are non - inductively wound with metallized polyester dielectric / eletrode and copper - clad steel leads encapsulated in a plastic case sealed with epoxy resin. they are suitable for filtering, by - pass, coupling decoupling and timing circuits with applications in telecommunications, data processing, industrial instruments and automatic control system equipments

    Meb為非感應式,用鍍金屬聚酯電介質/電極繞制而成,導線採用鍍錫銅包線,用氧樹脂密封在一塑料套內,本品適合於耦合、濾波、和中,廣泛御用於遠程通訊、數據處理、工業儀表和自動控制系統的設備中。
  18. Mef are non - indluctively wound with metallized polyester film as the dielectric / electrode with copper - clad steel leads and epoxy resin coating they are suitable for blocking, copling decoupling filtering, by - pass and timing circuits, they find application in telecommunication, date processing, industrial instruments. and automatic control system epuipments

    Mef為非感應式,用鍍金屬聚酯薄膜作為電介質/電極,導線採用鍍錫銅包線和氧樹脂包封.本品適合於耦合、濾波、整流和中,在遠程通訊、數據處理、工業儀表和自動控制系統的設備中得到了運用。
  19. The development of fieldbus and the protocol content of can are first presented in this paper, and the circumstance and performanceof real - time communication in modern industry control system are discussed. on a basis of the research founded by shaanxi project " design of smart electrical actuator based on fieldbus " and xi ' an project " design of intelligent measurement and control node based on can ", the following problems are studied : flexible control and real - time communication in modern factory automation ; the model and protocol in can circumstance, including several popular can highlayer protocol such as canopen, devicnet ; time trigger and event trigger schedule in can ; design of intelligent can node based on 80c51mcu

    結合陜西省火炬劃項目「基於現場總線的智能電動執行器關鍵技術研製開發」和西安市科技攻關項目「現場總線智能電動執行器研製」 ,研究了現代工業系統的「柔性控制」和實性問題;研究了C A N現場總線網境相關的通訊協議和模型,其中包括了C A N o p e n 、 D e v i c N e t等幾種流行的C A N總線高層協議;研究了在現場總線網境中間觸發和事件觸發的調度機制;研究了基於5 1單片機系統如何進行C A N現場總線智能節點的設
  20. Design a kind of sub - optimum digital prefilter. through the simulation of timing recovery loop which is n ' t added prefilter and which is added prefilter, discuss the convergence characteristic and compare the relation between timing jitter and signal to noise ratio, the relation between timing jitter and noise bandwidth of loop, the relation between symbol error ratio and signal to noise ratio

    通過對加預濾波器后的定恢復的模擬,討論了的收斂情況,比較了所設的數字預濾波器和無預濾波器抖動與信噪比、定抖動與噪聲帶寬、誤碼率與信噪比的數量關系,證實所設的數字預濾波器對減少定抖動非常有效。
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