環路定時 的英文怎麼說

中文拼音 [huánlùdìngshí]
環路定時 英文
lootiming
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 時 : 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...
  1. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  2. By analyzing on nature, society and economy conditions as well as distribution characteristics of sand source in the lower lhasa river valley, put forward a series of comprehensive renovation scheme to harness sand sources, mainly including dredging channel, planting farmland shelter - forest network, constructing arbor - bush - herb shelter forest and shifting sand stabilization, this scheme will not only control blown - sand threat, and improve local ecological environment ; at the same time, also lay the strong foundation for enlarging lhasa city space and effectively utilizing local resource, embody a sustainable thought on how to make comprehensive renovation in high cold valley region

    摘要在深入分析本區自然社會經濟條件和風沙源分佈特徵基礎上，提出把拉薩河下遊河道疏浚與風沙源治理相結合，以河道疏浚、農田防護林、喬灌草防風護沙林和流沙固定等物理工程、生物和機械措施為主體，進行風沙源綜合整治，一方面可有效控制風沙災害的威脅，改善河谷區生態環境，同時為拉薩市城市空間發展和當地資源的有效利用奠定了基礎，體現了在高寒河谷區進行風沙源綜合整治的可持續性思路。
  3. In the light of the fundamental method of analysis of the theories concerning enterprise competitiveness, this essay deals with the study on the enterprise competitiveness in lanzhou railway bureau. first, it makes a holistic analysis on the competitive environment and elaborates the status quo of development ; second, it establishes the index system for the assessment of the enterprise competitiveness in lanzhou railway bureau, and makes general and comparative assessment of the enterprise competitiveness, and then a conclusion is drawn ; lastly, it presents the ways and solutions to upgrade enterprise competitiveness in lanzhou railway bureau, based on the analysis of causes for the conclusion. the method of analysis in this essay is valuable in reference for the study of other enterprises in the same industry

    首先，對蘭州鐵路局競爭環境進行了宏觀環境分析和競爭環境分析，認為在現階段蘭州鐵路局擁有良好發展環境，同時也面臨著替代性運輸方式、潛在競爭對手和現代物流發展的強大威脅；其次，對蘭州鐵路局的發展現狀進行了闡述，從運輸生產、經營管理、市場競爭等不同角度進行了深入分析，認為現階段蘭州鐵路局在西北運輸市場仍然佔有一定優勢；第三，運用企業競爭力評價理論建立了蘭州鐵路局競爭力評價的指標體系，並採用模糊數學和dea評價方法對蘭州鐵路局競爭力進行了總體評價和比較評價，得出了蘭州鐵路局競爭力不強的結論，並針對評價結果進行了原因分析；最後，提出了蘭州鐵路局競爭力提升的思路和對策。
  4. 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、環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計思路，同時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，設計了基於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。
  5. 3. with comprehensive improvement of transponder including structural adjustment to lna ; optimization of ( phase locked loop ) pll filter ; structural adjustment to the transmitter and phase error adjustment to the intermediate frequency demodulation circuit, we have successfully enhanced sensitivity, expanded dynamic range, increased transmitting power and improved the spectrum purity ; decreased capture time for pll ; improved the signal quality after demodulation ; reduced its volume and power consumption. 4

    3 、對通信機的全面改進，包括lna結構的調整、鎖相環環路濾波器的優化、發射部分結構的調整以及中頻解調電路的相差調整，提高了系統的接收靈敏度、改善了本振的頻譜純度、減少了鎖相環的鎖定時間、使中頻解調后的信號質量大為提高，同時還減少了體積、節約了系統的功耗。
  6. 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

    同時，電路設計採用同步整流技術、低功耗電流采樣技術降低功耗，提高轉換效率;採用靈活的外部環路補償技術、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。
  7. Since commercial pll ic came out, phase - locked - loop frequency synthesis has become widely accepted. but when narrow frequency - step is required, the loop bandwidth has to decrease while cannot meet the demand of frequency - hopping speed

    數字鎖相集成器件出現以來，鎖相式頻率合成器得到迅速發展，但是當需要窄頻率步進時，環路帶寬需要降低，致使鎖定時間變長，不能滿足快速跳頻的要求。
  8. 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環節的單元器件進行合理建模，得出整個環路總的開環及閉環傳遞函數，論證了本課題所設計的atp跟蹤控制環路的可行性及其視軸輸入為斜坡信號時的理論穩態誤差。
  9. Cool wall wizard dreaming to automatically download various colors wallpaper to work intensely all day into your computer, no longer feel monotonous and boring ; extremely rich in the network wallpaper, the 12 classification, support manually download new wallpaper ; intelligent frame rapid trimming technology, adaptive various popular display size ; timing can be manually or replacement of desktop wallpaper, different timing of the transformation also supports random transform mode ; circle player in the process, support the insertion of local wallpaper, wallpaper and local networks of pictures that turn ; to hide / show desktop icons, wallpaper and user - friendly viewing ; since the launch set to boot, the first time you gave surprise ; cool wall wizard provide three kinds of styles console skin ( white fashion, classic black, gray and elegant ) ; wallpaper borders can set the color to the background transparent desktop text

    雪狐酷壁精靈自動下載各類絢麗的壁紙，讓整天對著電腦埋頭工作的你，不再感到單調、無聊；極豐富的網路壁紙庫，十二大分類，支持手動下載新壁紙；智能邊框快速切邊技術，能自適應各種流行的顯示器尺寸；可以定時或手動更換桌面壁紙，提供不同變換時間的選擇，還支持隨機變換模式；循環播放過程中，支持插入本地壁紙，實現網路壁紙和本地圖片的交替顯示；可隱藏/顯示桌面圖標，方便用戶觀賞壁紙；允許設定開機自啟動，第一時間就給你驚喜；酷壁精靈提供有3種風格的控制臺皮膚（白色時尚、黑色經典、灰色典雅） ；還能設置壁紙邊框的顏色，讓桌面文字的背景透明。
  10. This article analyses the operation principle of the semiconductor laser power in detail, and demonstrates the feasible scheme of the main part of the power according to the special request under the quasi - successive working way, designs the corresponding hardware circuits and software procedures which implement the accurate automatic control of timing, steady voltage and invariable current power supply without pulse voltage and surge current for digital display semiconductor laser power

    本文深入分析了半導體激光電源的工作原理，根據準連續工作方式下的特殊要求，論證了電源的主要環節的可行性方案，設計了相應的硬體電路與軟體程序， （實現了定時的精密自動化控制、數字式顯示機半導體激光電源的無脈沖電壓、無浪涌電流的穩壓恆流供電。
  11. Firstly, the thesis studies the characteristic and the key of the design of the control system of short circuit test bench. secondly, we discuss the different ways to control the initial fault current angle, and give some different design projects based on pc

    然後對合閘角控制的不同方法進行了研究，並根據合閘角控制的方法不同提出了基於pc機的不同設計方案，並對各種方案進行了詳細說明，特別是windows和dos環境下精確短定時的實現以及在電力系統短路試驗控制系統中的應用。
  12. On the basis of studying the theory of mrp ii, jit and the analysis of state and requirement of the production planning management in machine and dynamicale filiale of china national south aeroengine & machnery company, this article presents a production planning management mode which suits ( he state of the factory, and researches the architecture, function model, information model of the production planning management system running on client / server network. and accomplishes the production planning management system of electric lamp - house equipment which is a mrp application system and meets the requirement of our plant. using the system we can manage production plans and get the information of material short in time. a right management module is given to achieve system security satisfactorily

    本文在研究mrp 、 jit理論和分析南方公司機動分公司生產計劃管理現狀和需求的基礎上，提出了一種適合於廠情的生產計劃管理模式，研究了在客戶服務器網路環境下生產計劃系統的體系結構、功能模型、信息模型；通過採用可視化、面向對象的快速開發工具成功地開發了適合於本公司實際需要的mrp應用系統? ?電光源設備生產計劃管理系統，實現了計算機輔助生產計劃管理、缺件情況定時預報等功能；通過用戶權限管理，較好地解決了系統的安全性問題。
  13. 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路，同時設計了包括加盟連鎖、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、物流三個環節上降低企業的成本。
  14. It can be deduced from the characteristics of ilpll circuit that injection - locking bandwidth is not only related to the injection - locking bandwidth without feedback loop, but also related to the characteristics of frequency mixing, loop gain and the change of the loop phase. thus, the needed bandwidth can be obtained by adjusting the loop parameters. and the phase noise characteristics are mainly determined by loop transmission factor

    由ilpll電路特性的推導得出:注入鎖定帶寬不僅跟開環時的注鎖帶寬有關，而且與混頻特性、環路增益以及環路相位變化相關聯，可以通過調節環路的參數得到所需帶寬;相噪特性主要由環路傳輸因子決定，可以通過調節環路濾波得到比開環注入鎖定相噪更優的特性。
  15. When the new steady state of closed - loop system can be planed, the steady - state input distribution can be produced such that the lowest possible number and positions of actuators can be determined

    當此閉環路系統的新穩態值被指定時，則可由穩態下輸入分怖型態決定控制器可能的最少數量反其位置。
  16. Analyze the interpolation filter, timing - error detector and controller in loop of timing recovery detailedly

    詳細分析了定時恢復環路中的內插濾波器、定時誤差信號的提取、數控振蕩器。
  17. 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時恢復環的模擬，討論了環路的收斂情況，比較了所設計的數字預濾波器和無預濾波器時環路定時抖動與信噪比、定時抖動與環路噪聲帶寬、誤碼率與信噪比的數量關系，證實所設計的數字預濾波器對減少定時抖動非常有效。
  18. 3. the methods to improve and enhance the performance parameters of frequency synthesizer, such as phase noise and frequency stability, are discussed detailly and deeply through the linear phase model of pll which is using to implement the

    3 .利用鎖相環路的線性相位模型，詳細討論了利用鎖相環進行頻率合成時，頻率合成器的主要性能參數如相位噪聲和頻率穩定度的改進方法。
  19. It is not only available for network connected by tcp ip, netbios or ipx spx protocol, but also available for defining user crowd

    不僅適用在利用tcp ip ， netbios或是ipx spx等通訊協議來連接的網路環境，同時更提供給您自行設定使用人數的功能。
  20. These results prove that the design method has great affection to reduced timing jitter. at the same time, simulate the convergence characteristic of timing recovery loop which is added prefilter when the input qam

    同時還模擬了加預濾波器后定時恢復環路在有載波誤差、交叉串擾情況下的收斂情況，證明了所設計定時恢復環路是正確的。
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