key system parameter 中文意思是什麼

key system parameter 解釋
鍵系統參數
  • key : n 1 鑰匙。2 要害,關口,要沖。3 關鍵,線索,秘訣;解法。4 (外國書的)直譯本,圖例,題解,圖解,...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  • parameter : n. 1. 【數學】參數,變數;參詞;參項。2. 【物理學】參量;(結晶體的)標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
  1. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  2. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。
  3. Second, it presents the project design of an astronauts ’ kinetic measurement system that can precisely measure the forces and moments of key points on motorial person. it presents a principle and flow of the project design of an astronauts ’ kinetic measurement system. and it particularly discusses the demarcate of camera system, the gathering and storage of experiment pictures, pick - up of the symbol data, the parameter calculating method of target movement, and the general design of assistant equipment

    然後給出航天員作用力測量實驗系統的設計方案,該系統能夠克服重力影響,較精確地得出運動時人體各關鍵點產生的力和力矩;給出了航天員運動參數測量實驗系統的原理及流程,並詳細論述了攝像系統標定,實驗圖像的採集與存儲,標志點數據的提取及目標運動參數解算的方法;給出了輔助設備的概要設計。
  4. To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain, to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2. combining the quondam achievements, researching the design method of observation system objective of the complicated construction belt based on seismic - geology model, firstly, building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model, secondly, designing the observation system aiming at the overthrust nappe structure in section and in area ; 3. aiming at the complicated earth ' s surface condition of front - zone of mountain, how to select the exciting method and the parameter, how to optimize the environment of exciting method and reception, how to pledge the normal combination of the datum of different exciting method ; 4

    根據山前帶的地震地質條件特點,本文主要研究了以下幾個方面的內容: 1 、對以往山前帶地震攻關成果開展調研工作,分析研究在山地山前復雜構造帶所採用的地震勘探採集技術的適用性; 2 、研究基於地震地質模型的復雜構造帶觀測系統目標設計方法:如何建立復雜構造帶的表層、深層地震地質模型,利用正演分析目標區的觀測系統;針對逆掩推覆體構造,如何分區分段有針對性設計觀測系統等; 3 、針對復雜地表條件的山地山前帶,如何選擇激發方式、參數,如何優選激發、接收環境,如何保證不同激發方式的資料能正常拼接; 4 、山前帶巨厚礫石區的表層結構調查技術及靜校正方法研究。
  5. Bed temperature and mainstream pressure are important parameter of circulating fluidized bed boiler ( cfbb ) combustion control system. to maintain them normal is key to the stable and economic operation of cfbb

    床溫和主汽壓是循環流化床鍋爐燃燒控制系統中的兩個重要參數,維持正常的床溫和主汽壓是循環流化床鍋爐穩定、經濟運行的關鍵。
  6. Introduced working state real time monitoring and testing, fault diagnosis system and its key instrument, including the working principle of torsion, axial force, rotary speed as a whole sensor, the main parameter index of oil well using progressing cavity pump

    介紹了螺桿泵採油系統工況實時監測與故障診斷系統及其核心儀器:扭矩、軸向力、轉速一體化傳感器工作原理、主要參數指標。
  7. Abstract : introduced working state real time monitoring and testing, fault diagnosis system and its key instrument, including the working principle of torsion, axial force, rotary speed as a whole sensor, the main parameter index of oil well using progressing cavity pump

    文摘:介紹了螺桿泵採油系統工況實時監測與故障診斷系統及其核心儀器:扭矩、軸向力、轉速一體化傳感器工作原理、主要參數指標。
  8. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和長度流道中的流動規律,得到了喂料在流道中的速度場、壓力場和溫度場,找到了流道長徑比的合理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線,得到了注射壓力對充填時間和型腔壓力的影響規律,確定了最佳的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆口設置。
  9. ( 3 ) p and s wave velocity and dynamic & static modul of sand rock in huanhua basin are the first time measured using " mts rock physical parameter testing system under formation condition " of " state key laboratory of oil and gas reservoir geology and exploitation ". at the same time, relationship between seismic response and oil & gas is discussed and summarized

    ( 3 )利用「油氣藏地質與開發工程」國家重點實驗室mts巖石物性測試系統,首次對黃驊坳陷砂巖進行了高溫高壓下的縱、橫波速度及動彈模量的測定,對黃驊坳陷砂巖的地震響應與油氣關系進行了分析和總結。
  10. As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory

    為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估,針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據,基於不同觀測過程的解析關系,將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗,與原落點的先驗進行了最大熵加權融合,得到混合后驗分佈,從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下,這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據,穩健性更好,準確性更高
  11. In order to understand the key parameter, which influence the vibration isolation efficiency of floating slab track and provide theoretical support for simulation, we analyze the vibration isolation principle of floating slab track. coupling dynamics of vehicle - rail - floating slab - foundation system is calculated using the general software - ansys. the dynamic performances of the floating slab and the efficiencies of the vibration isolation are analyzed in detail

    建立了車輛?鋼軌?浮置板?地基二維有限元模型,並採用有限元計算軟體ansys ,對整個耦合系統進行了不同工況下的動力學計算模擬,詳細分析了浮置板式軌道結構的動力學性能和浮置板式軌道結構的隔振效果。
  12. Stability of main steam pressure is the foundation of the key parameter stability ( include the main steam temperature, the vapor pack water level, the oxygen content in the smoke etc. ) in the units, deb system increase the dependability and the economy greatly with the settlement of the energy ' s equilibrium between the boiler and the steamer

    本機組利用先進的硬體設備dcs和優化的控制策略deb ,圓滿解決了機組協調控制系統中主汽壓力穩定性及負荷適應性這一主要矛盾。主蒸汽壓力穩定是機組一切關鍵參數(包括主蒸汽溫度、汽包水位、煙氣含氧量等)穩定的基礎, deb系統解決了機組鍋爐和汽輪機之間能量平衡,使機組可靠性和經濟性大大提高。
  13. The general requirement of communication system and the application potential in secure communication are expatiated. the chaotic secure communication methods home and abroad are also summarized, including chaos spread spectrum communication, chaos key - shifting, chaos parameter modulation, chaos masking, chaos cdma. the exiting problems and development direction are also pointed out respectively

    介紹了混沌學的發展過程和意義,闡述了通信系統的一般要求和混沌在保密通信中的應用潛力,綜述了國內外現有的混沌保密通信方法,其中包括:混沌擴頻通信,混沌鍵控,混沌參數調制,混沌掩蓋,混沌數字碼分多址等五大類,指出了各自存在的問題和發展方向。
  14. By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control

    通過使用plc ,使該自控系統可以完成如下功能:適用於溫度及煙塵量變化快、控制過程難以操作的場合;通過溫控表自動跟蹤增濕塔出口溫度,誤差達到3以內;通過自動噴霧來降低粉塵比電阻,以此充分發揮電收塵器的作用;由於採取了閉環反饋迴路,達到了響應速度快,恆溫控制精度高;通過使用各種檢測傳感器,使得異常情況泄水快;該自控系統具有多套控制參數,增濕塔出口控制溫度及調節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。
  15. The fourth part analyzed the intermediate dc voltage and its control principle and the technical parameter of the main parts in the ac transmission system. several key technical problems such as parallel working of the ac motors, the wheel diameter difference under the bogie - control mode, the ac motor - inverter matching principle are studied in detail. the principles to determine the electrical parameters are also discussed

    論文第4章重點研究了變流器的中間直流電壓的確定及其控制規律,確定了交流電傳動系統主要部件的技術參數;研究了架控方式工作下電動機並聯工作、輪徑差、電機?變流器匹配原則等關鍵的技術問題;詳細分析了交流傳動系統在牽引工況和電阻制動工況下各參數的工作過程和控制原則。
  16. Accomplish the liquid level measurement system design, and the selection and computation of key parameter. 2. accomplishing the design and simulator of the signal processing arithmetic, a curving arithmetic of increase the accuracy of the level measurement system is researched, and compared with maximum estimation at the same time

    本文所作的主要工作: 1 .根據液位測量雷達系統的要求提出系統設計指標以及方案; 2 .提出了一種提高液位測量精度的擬合演算法,通過模擬計算將其與最大估值法進行比較; 3 .設計差拍信號處理軟體處理演算法; 4 .利用c8051f02x開發板和自己開發的外部顯控終端板實現了信號處理樣機,對信號處理演算法進行了驗證。
  17. In general, there have some specific instruments and equipments on spot which monitor electrical parameter, including insulate and aging degree of the spot equipments, the node voltage, currents, total consume of electricity. in tradition, these data of monitoring delivers control centre by the remote technique and it works key function for the safe stability running of power system

    對于現場以及相應節點電壓電流、絕緣老化、用電量的監測,一般都在現場安排了專門的測量儀器和監控設備,這些設備的測量數據傳統上以遠動技術來傳遞到控制中心,而遠動也一直為電力系統的安全運行做出了重要的貢獻。
  18. Parameter - tuning stochastic resonance ( psr ) is a more realistic way to handle the phenomenon of sr in a broad sense. based on the theory of psr, some key problems of using sr in signal processing are studied, these issues include : the application of intrawell sr in multi - frequency analog signal processing, recovery of the waveform distortion caused by the bistable system and other post treatments, measure of system performance with multi - frequency analog digital input and measurement of system performance of binary digital input. the results are used in signal detecting under the background of the real sea noise

    隨著參數調節隨機共振( psr )概念的提出,隨機共振在信號處理中的應用有著很大拓展的空間,本文就主要研究幾個目前隨機共振在信號處理中應用時經常碰到的問題,其中包括阱內隨機共振現象對多頻模擬信號處理的應用、雙穩態系統輸出的波形畸變的消除及其他后處理、適用於多頻信號的輸出性能衡量指標、二進制數字信號輸入情況下的系統輸出的性能衡量,並將所得的結果應用到了一個自然界的噪聲? ?海洋噪聲背景下的信號檢測中,這些研究對于隨機共振理論的進一步發展及其在非線性信號處理中的應用具有重要的意義。
  19. It consists of demanding analysis, system structure, data flowing diagram, function module and the application of key techniques, takes and organizes offer parameter and data, uses entity - relation ( e - r ) pattern to design data pattern, selects ms sql server 7 as database, founds database physical structure

    說明了基於c s和b s混合結構模式的設計與實現,包括系統的需求分析,系統的解決方案,系統的體系結構、數據流圖、功能模塊圖以及各關鍵技術的應用。
  20. Many chaos secure communication systems presented in literatures is designed based on apd method, and some scheme take the system parameter as key

    論文通過對apd同步方法對參數的靈敏性的分析,發現低維混飩系統容易被重構。
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