precision accuracy 中文意思是什麼

precision accuracy 解釋
精度
  • 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...
  • accuracy : n. 正確,準確(度);精確。 firing accuracy 命中率。 with accuracy 正確地。
  1. By taking the miniature ceramic rod which is easily to machine high accuracy as sensitive structure, and by printing and polarizing six belt - shaped electrodes above it to constitute three pairs of electrodes, this paper designed package and the phase - sensitive detection circuit in the system so that it effectively reduced the sensitive structure size and improved its processing precision to realize the angular rate gyro microminiaturization

    首先採用易於加工成高精度的微型陶瓷棒作為敏感體,在其上印刷成六個帶狀電極並予以極化構成三副電極對,然後設計了封裝及相敏檢波電路,從而有效地減小了敏感結構的尺寸,提高了其加工精度,實現了角速率陀螺微型化。
  2. 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。
  3. Another recent innovation is their precision direct - drive technology for their 12 - inch prober, the eg6000, which allows this system to achieve the highest accuracy available today

    這比那些早期系統更容易使用,如今的生產環境中只需非常少量的操作或者支持即可。
  4. Aerostatic bearings have been applied widely on the ultra - precision in the aviation, aerospace and the main axes and the slide of the precision measuring instrument and inertial measuring apparatus because of high rotation accuracy, calm operation, low friction and long life - span etc. they can also be used in fields range from both high and low temperature to both high and low velocity, sometime even to environment full of radioelement

    氣體靜壓軸承回轉精度高、運轉平穩、摩擦小、使用壽命長,可以在極高和極低的溫度、超低到超高的速度下,以及輻射環境中工作,因此在航空、航天領域以及精密測量和慣性測試設備上得到廣泛應用。
  5. We have developed a high precision wavemeter with an accuracy of 2 10 ^ ( - 8 ) in measuring vacuum wavelength, and a frequency measurement instrument by femtosecond modelocked laser with an accuracy of commercial cs standard

    為了適應研究工作的需要,研製了高精度激光波長計,測量真空波長的準確度可達2 10 ^ ( - 8 )的量級,同時研製了飛秒鎖模激光的測頻裝置,目前的測量精度可與小銫鐘的精度相同。
  6. Control over high alignment accuracy and high speed of a precision alignment system based on laser moire signals

    基於激光莫爾信號精密定位裝置的高速高精度定位控制
  7. Limit of quantification ( loq ) is the lowest concentration of the analyte in a sample that can be determined with acceptable precision and accuracy under the stated experimental conditions

    定量限系指樣品中被測物能被定量測定的最低量,其測定結果應具有一定準確度和精密度。
  8. Abstract : the ashing loss of pb in water samples has been studied in digestive method for determination of lead by dithizone spectrophotometry ( gb 5750 - 85 ). after the digestive conditions are improved, the digestive loss of pb in some polluted water samples is prevented. the recovery of pb rised, the accuracy and precision of the analytical date are guaranteed

    文摘:對國標5750 - 85雙硫腙分光光度法中消化水樣時鉛的灰化損失進行了探討,針對某些污染嚴重的水樣,改進了消化處理的條件,有效地消除了灰化損失,提高了鉛加標回收率,保證了分析測試數據的精密度和準確度。
  9. Therefore, how to ensure the simulation precision and accuracy is crucial to engineering applications. further improve the automated theory, and continually enhance the accuracy of simulated body structure is the focus of research on anti - collision simulation

    基於一步成形逆有限元方法可以對車身結構件的成形厚度和塑性應變進行預示,改進這一方法,並應用於車身結構件碰撞計算模擬中。
  10. The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement

    短基線干涉儀測角精度受相位差測量精度、基線長度測量精度、系統工作波長(頻率)測量精度等因素的影響,文中,在對原有理論進行分析的基礎上著重分析了基線長度測量精度對系統角度測量精度的影響。
  11. Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state

    文摘:研究了四能級系統中基於五階極化的拍頻效應,考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說,這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時,可得到消除多普勒增寬的精度
  12. In order to attain high accuracy of gps satellite navigation, positioning and low cost in precision agriculture, it is studied a method of gps pseudo - range observation and carrier phase measurement to combine the actual conditions of agriculture. it is presented a method of high accuracy positioning and measure based on gps oem board in this paper, and proved the feasibility of key technology with emulations and field tests

    為了適應精準農業高精度、低成本的gps定位導航應用要求,本文通過對gps偽距和載波相位定位方法的研究,結合精準農業的實際情況,提出了基於gpsoem板的高精度定位與測量方法,並用模擬和田間試驗驗證了各關鍵技術的可行性。
  13. This machine tool is characterized by high power, good igidity, large accuracy margin and serice life and it is an ideal equipment for machining medium and small precision and comples pats made in all kinds of material ( especlally non - ferrous metals ) and autometic large - lot production

    機床功率大,剛性好,精度儲備量大,壽命長,是加工各種材料(特別是有色金屬)的中小型企業及大批量自動化生產的理想設備。
  14. Culpepper, m. l., et al. " design of integrated eccentric mechanisms and exact constraint fixtures for micron - level repeatability and accuracy. " paper accepted for publication in precision engineering

    等,微米水平上重復性和精確性的綜合離心裝置和精確約束裝置. 《精確工程學》同意發表的論文
  15. The computer acquires the image of dial gauge by high precision ccd video, after that the computer will process the dial gauge image by some image - processing algorithms such as image segmentations, edge searching, area segmentations and locating the pointer by the " circle ". at last the computer will recognise the dial pointer position and work out the precision of dial gauge in accordance with nation criterion of dial gauge. this study presents several optimum algorithms to realize quick recognition of the pointer and calibration lines of detected dial and improve the accuracy and real time quality of detecting

    本系統由計算機控制步進電動機的運動,進而驅動指示表表針的運動,通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括閾值分割、邊緣檢測、圖像銳化以及區域分割和定心圓檢測等,最終快速識別出表盤指針所處位置,最後根據國家指示表類檢定規程所制定的演算法檢定出指示表的各種精度,本系統所採用的圖像處理演算法運算量少,速度快,從而大大提高了系統的實時性。
  16. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題,新型橢圓凸輪波發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  17. Precision gear shaping machines - testing of the accuracy

    精密插齒機精度
  18. Analysis of the precision accuracy of the photospot coordinate in parallel photogrammetry

    平行攝影測量像點坐標的精度分析
  19. Methods : its experimentative conditions, including detected wavelength, fluid medium, disposal of special specimens, linear range of methods, minimum contents, precision, accuracy, currecy and application, have been investigated

    方法:對測定方法中涉及到的檢測波長、流動相、操作方法以及方法的線性范圍和最低檢出量、精密度和準確度等方面進行實驗研究。
  20. In only a few minutes, the computerized embroidery machine will stitch a design that would take a week to do by hand and embroider with precision accuracy that no human can match for near perfect quality

    只需短短幾分鐘,刺繡機器就能完成一個人手需要一星期才能完成的設計,而且,用機器非常準確,質素極高。
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