精密測定 的英文怎麼說

中文拼音 [jīngdìng]
精密測定 英文
micrometric measurement
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 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...
  • 精密 : precise; precision; accurate
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  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

    對高壓背壓式氣動量用於小量程線性尺寸量的靜態特性曲線的理論工作拐點進行了推導,對氣動量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和量噴嘴的參數進行了理論設計,對主噴嘴和量噴嘴的不同組合,將影響量系統靜、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 ,量不確度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸量分組的要求。
  2. This paper studies the inductive displacement transducer ’ s structure and its measuring principle, also studies the whole classical measurement system and analyzes its merits and drawbacks according to related experimental findings. to get rid of classical measurement system ’ s drawbacks such as low stability, narrow linear measuring range, etc. and improve measuring system ’ s performance index, this paper ’ s improves several key technologies in the high - accuracy measuring circuit

    本文研究了電感位移傳感器的結構、量機理以及其整個量系統的系統架構,並通過試驗認真分析了傳統的電感位移傳感器量電路的優缺點,結合本課題的研究需要和技術要求,對傳統電感位移傳感器量系統穩不高,線性量范圍小等不足之處進行了改進。
  3. Precision micrometer microdisplacement inspection instrument

    微檢
  4. Ocean tide has an effect on gps stations and there is a strong correlation between the vertical displacement and the zenith delay at a gps station, so the effect of ocean tide on the precise determination of gps stations " coordinates, baseline vectors, and zenith delay should not be neglectable

    由於海潮對站位移的影響以及站垂直位移與天頂延遲存在很強的相關性,所以海潮對精密測定站坐標、基線和天頂延遲的影響不可忽略。
  5. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀信息確電離層延遲改正模型,為小范圍的單頻用戶服務;研究如何實時分離gps觀中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動觀網路深入研究我國領域的電離層的電子濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的軌中的電離層延遲改正要求。
  6. And the calibrating method being used nowadays can not meet the specific needs, because the operation is complex, and the calibration precision is low

    由於其工作環境特殊,現有的各種角方法都不適用。目前採用的標方法操作復雜,校準度較低,不能滿足要求。
  7. The tensile and compression experiment on bulk nanocrystalline ag prepared by igc method was carried on mt810 with different grain sizes and zwick 10tn2s machine at different strain rates under normal temperature respectively. the stain rate sensitivity m was found to be 0. 025, which was extremely lower than the ordinary values. also the work hardening exponent is very low

    本文從用惰性氣體蒸發冷凝和真空原位壓結法( igc )制備得到的直徑80mm ,厚度7 . 6mm的大尺寸納米晶金屬ag樣品上切割得到符合力學實驗要求的拉伸和壓縮試樣,在mts810和zwick力學試機上分別了拉伸和壓縮應力?應變曲線與晶粒尺寸和應變速率的關系。
  8. To build up the competitive power the satisefaction of customer, the quantity of products and mangement accomplishment sanow continuously invests to creat new product to meet the demand of market. at the same time we are appling iso9001 authetication to keep pace of the world s advanced management excellent staff and perfect products

    在汽車影音系統car a v和全球位系統gps領域,公司都有著自己的優勢。公司具備4000平米的廠房良的恆溫恆濕試驗箱冷熱沖擊試驗箱cmm量儀跌落試驗機以及振動試驗儀等等。
  9. It is a new tool to detect and observe the structure and status of underground media by accurately measuring its transfer function through sinusoidal elastic wave accurately controlled in frequency and stable in phase

    它是使用一種控制頻率和相位穩的彈性波,對發射和接收兩點間的傳遞函數進行精密測定從而監視和觀地下構造和狀態的一種新型手段。
  10. ( 2 ) in order to validate the rightness of the parameters, hydrogeology parameters is measured, such as discharge, percolation coefficient and hydraulic pressure using the precise instruments and existing formula and arithmetic

    (二)利用各種量儀器進行滲流量、滲透系數、水壓力等水文地質參數的,結合已有的公式和演算法,驗證各種數據的取值合理性。
  11. Based on the tidal gravity observation recorded with the gwr c032 superconducting gravimeter at jiufeng station, wuhan / china, the scale values of the gwr c032 scg and the lcr - et20 spring gravimeter are accurately determined with the method of instrumental same - site observing

    本文基於武漢九峰臺超導重力儀固體潮觀數據,採用儀器同址觀的方法,實現了gwrco32超導重力儀和lcret20彈簧型重力儀格值的;採用由比利時皇家天文臺p
  12. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外生產的汽車動力轉向泵是用數控機床加工的,其噪聲值為71db ( a ) ,國內生產的汽車動力轉向泵是用靠模方法加工的,其噪聲值分別為73db ( a )和75db ( a ) ,為了分析子曲線對泵的噪聲的影響,本人用三坐標量儀對子內表面進行量,獲得子內表面的離散點坐標,以matlab語言為工具對離散點進行曲線擬合,觀察擬合效果,然後,用回歸方法求出了子過渡曲線的方程,並把該方程與理論方程標準型進行了比較,得出如下結論:用數控機床生產的汽車動力轉向泵的子過渡曲線方程非常接近理論5次曲線標準型,而用靠模方法加工的汽車動力轉向泵的子過渡曲線與理論5次曲線標準型相比較,則存在著較大的誤差,結合噪聲試結果可知,子過渡曲線的優劣,對泵的噪聲大小有著重要的影響。
  13. Quadrants sensor based on silicon are now widely used in many fields, such as laser collimation, homing, tracking and searching devices, precision measurement et al

    基於硅光電傳感的象限傳感器廣泛應用於激光的瞄準、制導、跟蹤,搜索裝置,量,如激光微位、位移監控、機床的光電控制等領域。
  14. Notched bar tests - method for precision determination of charpy v - notch impact energies for metals

    劃痕棒材試驗.第6部分:金屬擺式v劃痕沖擊能量精密測定方法
  15. Notched bar tests - specification for verification of the test machine used for precision determination of charpy v - notch impact energies for metals

    劃痕棒材試驗.第7部分:金屬擺式v劃痕沖擊能量精密測定試驗機檢驗規范
  16. Two suitable base stations were set up on the rooftop of the building of department of agricultural chemistry, tari and adjacent the experimental plot of precision agriculture, respectively, to determine the accurate coordinate for sampling and fertilization

    摘要在農業試驗所農化系頂樓及準農業十公頃試驗田附近,各建立二個適當之基地站位置,並委?民間量公司精密測定座標,可以供作每次采樣及施肥時動態插分位所需。
  17. Abstract : the possible problems and solving methods for the a / d conversion device built inside the micro - processor in application to precision measurement are proposed and analysed. it is useful for the inside integrated resources of micro - processor to been rationally applied, been fully developed, been improved and been enhanced

    文摘:較系統地分析和研究了微處理器內嵌式a / d轉換器在量儀器應用中可能遇到的問題及解決方法,希望在合理利用、充分開發以及改善和增強微處理器內部集成資源方面具有一參考價值。
  18. Laser and photoelectric technology, digital image processing technology and exact measurement and control technology were used in the system. wheel set parameters could be measured by non - contacted and automatic way. the accuracy, stability and reliability of the system can meet the demand of wheel sets maintainingt

    該系統是綜合激光與光電技術、數字圖像處理技術、控技術於一體的自動化設備,能非接觸自動量輪對綜合參數,檢度較高、重復性好、維護量小,工作穩可靠,現場使用達到段修使用要求的技術指標。
  19. The computer vision and image processing technology being used in the exact measurement is a new method, and it has many good points such as : high precision and efficiency

    量中採用計算機視覺以及圖象處理技術是一種比較新的方法,它擁有其他方法所不具有的優點:檢度、效率都較高。
  20. The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media. time signal stacker receive signal by stacking and doing fft to measure the transfer function of media. " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window

    可控震源用於產生頻率確相位穩的正弦彈性波以照射地層內部,信號疊加器通過對接收信號進行疊加和進行傅立葉變換的方式實現對介質傳遞函數的量, 「存否」倒譜方法能夠根據一段窄帶頻域傳遞函數數據獲得時域上各個波成分的群速度傳播時間和介質衰減因子。
分享友人