static precision 中文意思是什麼

static precision 解釋
靜態精密度
  • static : adj 1 靜止的,靜態的,靜力的。2 【物理學】天電的,靜電的。3 【無線電】靜態特性。4 固定的,不活潑...
  • precision : n 精密,精確性;嚴格;精密度;【修辭學】精確。 arms of precision 裝有瞄準儀的槍炮。adj 精確的,精...
  1. Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips

    精確的監測有助於提高鍋爐燃燒的安全型、經濟性,也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量,精度可達。本文首先研究鍋爐送風矩形大管道測量理論,提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。
  2. With the fea software ansys and shell element which has high - precision, this dissertation optimize the size and thickness of skeleton section and seek steel pipe which still have strength and stiffness surplus under static state working condition : sinkage of 240mm of rear wheel. it ' s fully loaded in the state of static bending and torsion. after that, amelioration is achieved for even strength design

    本課題運用ansys有限元分析軟體,並且使用精度較高的shell殼單元作為建模單元,在靜態條件下,通過對左右後輪下沉240mm的彎扭聯合工況的模擬分析,尋找出骨架中存在強度和剛度富裕的構件,使之達到輕量化改進的目的。
  3. Box packaging machine, static elimina tion machine, inverter power ageing equipment, automatic welding machine, magnet head 、 disk driver business backup of precision to clings 、 fixture etc

    彩盒包裝機;除靜電除塵機;變頻電源老化設備;自動化焊接機;磁頭、盤片行業配套的精密工裝、夾具等。
  4. Static and dynamic trial experiments indicate that the system, not only can well simulate the prime governor and self _ equilibrium characteristics of a prime mover with its simple hardware line, small size and versatility, but also can highly improve the whole system ' s control precision, reliability and stability when compared with the system design of the analogy circuits

    靜態、動態測試實驗表明:該控制系統,不僅硬體線路大為簡化、體積小、通用性強,能夠很好地實現對原型調速器及原動機自平衡特性的模擬,而且與模擬電路的設計方案相比,整個系統的控制精度、可靠性和穩定性等大幅度提高,具有明顯的優勢。
  5. Based on the characteristics of information, there are two kinds of consistence test methods : static method and dynamic one. static consistence test method contains rank sum test, mood test, etc. as for the dynamic consistency test methods, the emphasis is focused on spectrum analyses, such as maximum entropy spectrum estimation, etc. in engineering applications, constituting precision evaluation projects of diverse war indexes have been intensively analyzed, all steps of evaluation have been synthetically analyzed and applied to engineering : an integrated evaluation example is provided

    驗前信息的一致性檢驗的優劣對小樣本下試驗鑒定的影響是很大的,文中根據驗前信息的特性給出了小樣本靜態檢驗方法和動態檢驗方法,靜態檢驗法有秩和檢驗、 mood檢驗法等,動態檢驗中重點對頻譜檢驗法,如對最大熵譜等作了理論分析。
  6. A good vibration damping measure is very important for the enhanced working accuracy of machine tools, especially for that of ultra - precision machines. taking the sub - micron cnc ultra - precision turning machining for an example, this paper illustrated the vibration damping design features on configuration and material selecting, and put the emphasis on the vibration analysis of air spring vibration and aero - static bearing spindle. the theoretical analysis and experimental result have proved that the vibration damping measure is practical

    良好的減振措施是提高機床,特別是超精密機床加工精度的重要技術之一.本文以亞微米超精密車床為研究對象,論述了該機床從結構到材料選取上的減振特點,並重點進行了空氣彈簧和空氣靜壓軸承主軸減振分析,由理論分析和實驗表明:減振措施合理,減振效果良好
  7. In this paper the research object is new model alternating current servo system. according to the request that was the static state - dynamic state precision and the celerity of response brought forward by task book, aimed at the bad circs of large inertia variety load and the sway of launch flat, we made deep research

    本文以新型交流伺服系統作為研究對象,依據設計任務書所提出的靜態、動態精度和響應快的要求,針對大慣量、變負載和力矩干擾等惡劣情況之下的伺服控制問題進行了深入研究。
  8. The wave - front aberration ' s cumulating of optics elements in multi - pass amplifying system was researched more deeply. considering the correlation between optics elements " wave - front aberrations caused by the similar fabrication technique, the correlation coefficient was adopted to revise calculation rule of superimposition which used in estimating system ' s static wave - front aberration and allocating optical machining precision. 3

    進一步研究了多程放大系統中光學元件波前誤差的疊加規律,並考慮到釹玻璃片加工工藝的相似性所導致的波前相關性,將相關系數耦合到波前誤差疊加公式中,使修正後的公式能更準確地預估系統靜態波前和分配光學元件加工精度要求; 3
  9. Using this device, we can measure gun ' s height angle and level angle static state directional precision

    應用該裝置對炮管高低角靜態定向精度、水平角靜態定向精度進行了測試。
  10. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括:消除近地表因素對資料採集的影響,包括靜校正和噪音壓制技術等;疊前拓寬地震資料領帶,包括振幅補償和疊前反褶積技術等;藉助高精度速度分析、剩餘靜校正和高次項nmo技術,通過多次覆蓋疊加,消除資料中隨機噪聲干擾、提高資料信噪比,尤其是高頻端反射信息的信噪比,改善高頻反射和弱反射信號信噪比,提高「高頻反射死亡線」 ;疊後有限反射頗帶識別、抬高優勢頻率等。
  11. Then the author experimented them. from the simulate and experiment i can see, the static precision of three - axes of testing table can reach the request, the controlling maneuver which the

    對常用測試方法和工作原理進行分析,確定用光學自準直儀測試轉臺回轉精度和軸系垂直度的測試方法,並進行實際測試,完成數據的處理和精度分析。
  12. It analyses the causes to bright image movement, studies principle to compensate image movement, conforms project to compensate image movement, and designs framework to compensate image movement in the article ; to analyze and design configuration of the scanning mirror, to select matters of mirror and its support structures on the principle of consistent line expansion coefficient ; to ascertain type of moment electromotor by most rotating angle speed and most rotating moment which are required by loads in the period to take pictures, as well as by figuration size of electromotor ; to design retarder according as the electromotor parameters ; to design and optimize lightweighted mirror shapes, because the mirror is key part ; to design flexure support structure, to analyze static and dynamic characteristics of the support structure by name of patran program for validating desig n rationality ; to study function of the scanning mirror electric control system ; to test precision of the system, the results indicate the rationality of design of the scanning mirror system

    本文通過分析像移產生原因、研究像移補償原理,確定像移補償方案,並根據像移補償原理設計補償機構;分析與設計掃描反射鏡系統結構,根據材料線膨脹系數一致原則,選擇反射鏡及其背部支撐的材料;由掃描反射鏡在擺掃周期內的最大擺掃角速度確定力矩電機的額定轉速,根據負載力矩確定電機的額定轉距,綜合電機外型尺寸等因素,確定執行元件? ?電機的型號;根據所選電機的參數指標,設計1 : 6速比的減速器;利用patran軟體對掃描反射鏡系統中的關鍵件? ?反射鏡進行輕量化設計與優化;設計反射鏡柔性支撐結構,並通過軟體分析支撐結構的力學特性,驗證反射鏡柔性支撐結構設計的合理性;從原理上研究掃描反射鏡控制系統功能;進行系統精度測試,測試結果表明掃描反射鏡系統設計的合理性。
  13. In order to the requirement of the full - bridge shift - phase control it designs the pwm wave engender which bases on epld. the pwm wave engender improves the static precision and dynamic speed of the whole control system

    為滿足單相全橋移相逆變器的軟開關工作條件,本文重點開發研究了由epld構成的pwm波形發生器,使得整個控制系統的控制精度和動態響應速度大大提高。
  14. Combining the methods of in - phase variable - frequency adjusting speed with brushless dc control, this system uses repmsm ( rare earth permanent magnet synchronous motor ) as executing motor. this system makes full use of characteristic of high static precision and dynamic fast response

    以正弦波永磁同步電動機為執行電機,採用他控式磁通軌跡法變頻調速和無刷直流方式調速方法相結合的控制策略,充分發揮了同步電機的穩態高精度和直流電機的動態快速性的特點。
  15. Combining the methods of in - phase variable - frequency adjusting speed with brushless dc control, this system makes full use of characteristic of high static precision and dynamic fast response. in the synchronous model, based on the idea of symmetrical svpwm pattern generator using cpld device implementation

    本文首先探討了同步電動機調速系統的控制理論,針對本轉速源的設計要求,作者提出了他控式變頻調速與自控式無刷直流調速相結合的調速方案。
  16. The imperfect static precision is a weakness of classical fuzzy control

    穩態精度欠佳是經典模糊控制的一個弱點。
  17. Simulation results shows that this method is better static precision and dynamic characteristic than the pid controlling

    模擬結果表明,與傳統的pid控制相比,該方法有著較高的穩態精度和動態特性。
  18. In order to conquer the shortcoming of the un - ideal dynamic with taking traditional pid control strategy, it uses fuzzy + pid control strategy to the close loop of the output current and voltage, the control way is realized with software program in the processor. the emulation results shows the fuzzy + pid control strategy which is used in the electroplating power has good dynamic performance, little overshoot and the good static precision

    針對傳統pid控制策略動態性能不理想等缺陷,本文研究了電流和電壓模糊+ pid閉環控制系統,對電鍍電源的輸出電流、電壓控制進行了控制演算法設計,模擬結果表明模糊+ pid控制系統具有超調量小、動態響應快,穩態誤差小的特點,優于傳統pid控制。
  19. Then the author analyzed the three - axis position servo system, deduced the transfer function. in order to know what affect the steady precision and static precision the author made a detailed analysis about them. then the author put forward the measure which can improve the steady precision and static precision

    以位置控制的電機帶載伺服系統為研究對象,建立三軸電動測試轉臺的數學模型並進行理論分析,求出開環傳遞函數,對系統的穩態精度和靜態誤差進行分析,找出影響因素及提高措施。
  20. At last, the paper did a detailed analysis on the measurement principle, measurement method, measurement data and measurement precision. explicit the purpose and meaning of measuring the static precision of turn table. after comparison the author decided the reasonable and fitting method to measure the turn table ’ s static precision which include turn table ’ s angular error, intersection and perpendicularity

    最後,本文將重點放在了轉臺機械臺體的靜態精度測試方面,明確對轉臺機械臺體靜態精度測試的目的,指出靜態精度測試包含的三個內容,即轉臺的回轉精度測試、軸系相交度測試和軸系垂直度測試。
分享友人