率定站 的英文怎麼說

中文拼音 [lǜdìngzhàn]
率定站 英文
rating station
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 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...
  • 站 : Ⅰ動詞1 （站立） stand; be on one s feet 2 （停下來; 停留） stop; halt; pause Ⅱ名詞1 （停車點） st...
  1. The quantitative method is used to evaluate subject catalogues on all indicators including quantity of pages, update rate of pages per month and mean of all page ’ s significance in each subject catalogue

    本文採用定量的方法，從每個主題目錄所包含的網頁數量、網頁每月更新率及包含所有網頁的重要性均值等評價指標出發進行網站主題目錄的評價。
  2. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  3. Highways winter maintenance plant and highways side equipment maintenance - deicing agent sprayer - fixed station test method for flow rate measurement

    高速公路冬季維修設備和高速路路邊設備維修.除冰劑噴灑機.流率測量固定站試驗方法
  4. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  5. It has some important potential applications in geodesy and geodynamics, including the definition, practical realization, and the interconnection of different reference frames, determining the geocentric positions of vlbi stations, estimation of the gravity field of the earth, and satellite orbit determination using the delay and delay rate observables

    它在大地測量和地球動力學方面很有應用潛力，如不同參考框架的定義、實現和相互連接，利用延遲和延遲速率來進行vlbi測站地心坐標的測定，地球重力場的估計和衛星定軌等。
  6. A crowded car with a load near a preset value will bypass hall calls in order to maintain maximum operation efficiency

    如轎內擠滿乘客，或負載接近預定值，為保持最大運行效率，該轎將自動越過召喚層站。
  7. Determination of power losses in high - voltage direct current converter stations

    高壓直流電換流站功率損耗測定
  8. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  9. Observed stream flow at 17 hydrological stations along the main river was used to calibrate the model

    模擬總水量同實測總水量的相對誤差在5 %以內，其中有11個站效率系數（確定性系數）在。
  10. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統，采樣率大於5hz ，在跟蹤小於2cm / s低速運動目標時，測量精度好於2mm ；完成對饋源二次精調系統的檢測，包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定；設計不同動態測量實驗，對全站儀動態跟蹤的誤差來源和特點進行了分析；從實驗角度，對全站儀的測量時滯及其穩定性進行了測試分析，給出了定量的結果；比較了全站儀和計算機的內部時間系統，發現兩者存在較大差異。
  11. This paper ' s study is focused on the principle of bistatic sar on the basis of giving a brief introduction of sar principle, including azimuth resolution, mapping width, focusing deepness, pulse repetition frequency limitation and radar equation etc. then the paper studies the special form of bistatic sar with stationary transmitter

    在簡要介紹了合成孔徑雷達的成像原理后，本文著重從原理方面對雙站sar進行了分析，討論雙站sar的方位向解析度，測繪帶寬，聚焦深度，脈沖重復頻率限制，雷達方程等問題，然後對發射機固定的雙站sar這種特殊的雙站sar模式進行分析。
  12. The single - observer passive locating method with phase difference rate of change and some key technologies - are studied in this dissertation on the applying background of locating remote slow offing targets with fast plane. this dissertation is outlined as follows

    本文面向快速運動的空中觀測平臺對海面慢速運動目標定位的特定應用背景，利用相位差變化率方法進行了單站無源定位體制和關鍵技術的理論研究。
  13. Error rates are also displayed for gauging severity of the error stream from a particular station

    還可以顯示誤差率，用於測量特定臺站誤差流的嚴重性。
  14. A lot of papers about the report of probabilistic risk assessment of daya bay npp and system manuals has been read by the author and let as the basis. in this paper, based on the reliability analysis methods of failure mode and effect analysis and failure tree analysis, according to the result of event tree analysis of probabilistic risk assessment report of daya bay npp, the top events of the fault trees of reactor protection system and the success criteria were established. by using risk - spectrum procedure, the unavailability and the minimal cut - sets ( mcs ) of the fault trees were obtained

    本文在閱讀了大量的大亞灣核電站pra報告和各種系統手冊等資料的基礎上，採用fmea （故障模式和影響分析）和fta （故障樹分析）可靠性分析方法，依據大亞灣核電站pra事件樹分析的結果，建立了以緊急停堆失效和專設安全設施驅動失效為頂事件的故障樹，利用risk - spectrum程序，對所建的故障樹進行定量分析，計算，得到系統故障樹的失效概率和最小割集，從而為大亞灣核電站可視化風險分析軟體提供數據支持。
  15. The method of the total station transfer leveling parameter applied to the construction of yunyang yangtse river highway bridge shows that in can not only ensure the surveying precision but also improve the work efficiency

    通過雲陽長江大橋施工中的應用表明，在一定的條件下採用全站儀間視法三角高程測量來實現高程的傳遞，不僅能保證測量精度，而且可以提高工作效率。
  16. This paper studies the hillock plc control system that the south i - i gathers station to transfer the oil to turn on the water, has put the operation since last year, data acquisition accurate, systems control stable, movement safe reliable, the system provides direct - viewing for the post operator has been convenient, the content rich man - machine contact surface, enhanced the working efficiency, the management level, the economic efficiency, has guaranteed the safety in production

    本文所研究的採油一廠某聯合站轉油放水崗的plc控制系統，自去年投入運行以來，數據採集準確，系統控制穩定，運行安全可靠，為崗位操作人員提供了直觀方便、內容豐富的人機界面，提高了工作效率、管理水平、經濟效益，保證了安全生產。
  17. The yellow river water environment information management system is a computer network system covering the whole basin, the construction of which includes a computer network construction and software development. the software involves database, gis, and man - machine interface. the investment in the system is huge and the period of construction is long, thus, a good design is very important. the design schemes are summarized in this paper. according to the present computer technology, some new methods used in network design and software development are introduced, and it is suggested that expandability and opening of the system should be considered in system construction

    黃石?水電站輸水渠道地處地質結構比較復雜的地方，由於渠道建成投運的時間較早，且原設計的標準較低，糙率較大.在電站機組已更新改造的情況下，若不進行輸水渠道挖潛改造，已難于滿足電站機組的設計流量要求.經反復比較，決定採取減小渠道糙率的方案，對輸水渠道進行三面光護面加固防滲，增加過流，效果很好
  18. In the first part, we compute the site design flood of given design frequency ( 0. 01 %. 0. 1 %. 0. 2 % and 1 % ) using the design flood hydrograph. then we get the design reservoir inflow flood of the same design frequency by the resultant discharge method. according to the computing value we compare the site design flood and design reservoir inflow flood of different time interval

    本論文以廣西紅水河龍灘水電站為例，在第一篇中採用洪水過程線法計算了給定設計頻率為0 . 01 、 0 . 1 、 0 . 2和1的壩址設計洪水，並利用合成流量法計算了相應設計頻率的入庫設計洪水。
  19. The existence and quantity of air leak affects the boiler ' s thermal efficiency greatly. so on - line monitoring and diagnosing for the boiler ' s air leak is an important item of energy - saving potential diagnosis in power station, there is n ' t an effective method to solve this problem and few researches are made on this task at the present time

    漏風的存在和漏風量的大小對電站鍋爐熱效率的影響十分明顯，在線確定鍋爐系統各區域的漏風狀況是火力發電機組節能潛力診斷的一項重要內容，但對此目前國內外尚無有效的方法，相關的研究亦十分少見。
  20. Direct separation of co _ ( 2 ) from flue gas will lead to a reduction of power generation efficiency and an increase of power generation cost. the content of co _ ( 2 ) in flue gas is only about 3 - 15 %, which will lead to complicated separation process and high cost. this is because co _ ( 2 ) separation is very difficult from common flue gas, which has low co _ ( 2 ) concentration and high n _ ( 2 ) concentration at normal pressure

    從鍋爐排煙中分離co _ 2將在一定程度上使電站效率降低，發電成本增加，其主要原因是燃煤電站鍋爐排煙中co _ 2濃度一般僅為3 15 ，在較低的壓力下從以氮氣為主要成分的混合氣體中分離較低濃度的co _ 2氣體的難度很大，從而導致分離設備復雜，成本較高。
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