儀器偏差 的英文怎麼說

中文拼音 [piānchā]
儀器偏差 英文
instrumental bias
  • : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  1. Standard practice for calculation of color tolerances and color differences from instrumentally measured color coordinates

    測定顏色一致性的方法計算色和色公的標準規范
  2. 53 maize standard samples diffuse reflectance spectra were collected from 4000cm - 1 ~ 10000cm - 1 at 8 cm - 1 resolution on perkin - elmer spectrum one nts near - infrared instrument at different energy level. 3 samples were scanned 10 times repeatedly at 100 %, 76 % and 34 % energy level for energy variance analysis

    結果表明,隨著能量降低,模型相對標準( rsd )有增大趨勢,相對能量從100衰減到18后,模型預測值rsd從2 . 5增至4 . 72 。
  3. Aberration of electronic lens made by electron gun and aberration of magnetic deflection system made by dy are comprehensively investigated, so is the shadow mask ' s effect on electron beam landing screen error. the conclusion can be get that, because the distribution of electron beam landing screen ( distribution of luminance ) is affected by many kinds of factors, it cannot get the correct function by calculation, and should be get by measurement instead

    全面分析了cpt電子槍發射系統形成的電子透鏡像與磁轉系統形成的轉像;分析了蔭罩的自身厚度與位移對電子束著屏的影響,並由此得出結論,著屏電子束分佈(即亮度分佈)受著許多因素的影響,理論分析是半定量的,著屏電子束分佈需要用精確的測量來測量。
  4. In addition, the importance of eliminating the instrumental bias during calculating the vtec is pointed out

    指出在計算vtec值的過程中,消除儀器偏差的重要性。
  5. ( 2 ) different calculating schemes are designed which are used to analyze in detail the characteristics of the effect from instrumental bias ( ib ) in gps observations on determining ionospheric delays

    ( 2 )設計了幾種不同的計算方案,用於分析儀器偏差對確定電離層延遲的影響的特點。研究表明,儀器偏差對求解電離層延遲的影響遠大於觀測噪聲的影響,給電離層延遲觀測值帶來高達數米的系統誤
  6. The advantages of the new method of calculating the vtec including : ( 1 ) because the instrumental bias is considered, the vtec ' s change going with time is closer to their real change. ( 2 ) with the precision of calculated the vtec improved, the vtec can reflect the increase of the vtec resulted from the solar flare

    新的求解vtec的方法具有以下優點:考慮了gps衛星和接收機的儀器偏差的影響,計算的電子總量隨時間的變化更接近電離層的實際情況;提高了求解電子總量的精度,計算出的vtec值更能反映耀斑引起的電子總量的增加情況。
  7. According to the present status of studying the solar flare using gps, a new algorithm of processing gps data studying the solar flare is brought forward : after the instrumental bias has been determined, with the data of dual - frequency gps code and phase and navigation message, the vtec at the satellite ' s epp can be worked out

    根據現在研究太陽耀斑的實際情況,提出了利用gps研究太陽耀斑的數據處理方法:利用雙頻觀測值確定出儀器偏差后,再利用碼和相位觀測值,結合導航電文就可以求出電離層交叉點的沿天頂方向上的電子總量vtec值。
  8. 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接收機的觀測信息確定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觀測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測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監測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低軌衛星的精密測軌中的電離層延遲改正要求。
  9. The limit errors without tolerance indication on drawings and technical documents for educational equipment

    教學產品圖樣和技術文件未注公尺寸的極限
  10. Based on investigation and analysis, this paper found out the factors affecting deviation of marine piling, i. e. geological & geomorphological features, hydrometeorogical situation, vessel machines, underwater barriers, staff ' s sense of responsibility and experience, error of surveying and mapping instruments, as well as the passing vessels, etc

    摘要通過調查分析,找出影響水上沉樁位的因素:地質地貌、水文氣象、船機設備、水下障礙物、人員責任心和經驗、測繪的誤、過往船隻,等等。
  11. The result indicates that the method is as accurate as the imo ' s method. secondly, three methods being generally adopted to measure diesel power on - board ship are itemized and roundly compared, emphasizing on their principles, steps and error analysis

    然後,以imo規定的「實船測試相關參數的的允許」為基準,對目前通常採用的各種柴油機功率實船測量方法:示功圖法、經驗法和扭矩法進行了系統的分析比較。
  12. 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的測定;設計不同動態測量實驗,對全站動態跟蹤的誤來源和特點進行了分析;從實驗角度,對全站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;比較了全站和計算機的內部時間系統,發現兩者存在較大異。
  13. Measuring instrument calibration, gear pitch and runout measurements

    測量校準齒距和測量
  14. Other imperfections are due to the practical limits to which correction can be made for systematic effects, such as offset of a measuring instrument, drift in its characteristics between calibrations, personal bias in reading an analogue scale or the uncertainty of the value of a reference standard

    其它非理想性因素是由於對系統效應的修正產生的實際限制,比如測量的誤,兩次校驗之間的性質移,個人讀取量數的或者參考標準值的不確定性。
  15. School areas are too large and the schoolyards and green spaces are too small ; classroom construction is not up to national standards ; and classrooms contain too many students. furthermore, the school desks and chairs often are not compatible ; and books, instruments and sports equipment are far from enough. there is a gap between software and hardware in the configuration of audio - visual aids ; and the coefficient of the utilization of existing equipment is low and ineffective

    通過研究發現,西峰市普通完全中學目前存在著布點不合理,學校規模過大,校園及綠化面積小,教室建築規范性,室內學生容納過量,課桌椅不配套,圖書、、體育材嚴重不足,電化教學設備軟硬體配置比例失調,現有教學設備利用率低、效益,學校管理者教學設施建設中作風浮夸等問題。
  16. The whole system has friendly interface, convenient operation and comprehensive functions, which can be used widely in scientific research institutes and factories. the system of blower performance auto - testing improves the stability of testing process, avoids the error of reading, the error of calculation and the error of result causing by relative datas can not be recorded at the same time, the precision and efficiency of testing is largely improved

    整個系統具有界面友好、操作方便、功能齊全等優點,試驗結果表明研製基於虛擬的風機性能自動測試系統,增加了試驗過程的穩定性,避免了人為的讀數誤、計算誤以及相關數據不能同時記錄所引起的試驗結果的,提高了測試精度和試驗效率。
  17. In field gps work, errors of receiver ' s antenna phase center and instrument height measurement are inevitable, so in this paper the influence of the error of instrument height measurement on planar coordinates is studied and it is proved theoretically that the influence of the error of instrument height measurement on planar coordinates can be neglected ; 3

    在gps實際作業中,接收機天線相位中心高的量測誤都是不可避免的。基於此原因,本文研究了高量測誤對平面坐標的影響,並從理論上證明了高量測誤對平面坐標的影響可忽略不計; 3
  18. There are many factors that may affect the aircraft s flown track - the wind speed and direction relative to the aircraft s intended flight path, the performance characteristics of the aircraft, tolerances in navigational aids and different piloting skills and techniques etc. in practice, the flown tracks may deviate either side of the nominal centre line shown in the map in

    飛行中的飛機不能如火車般緊貼路軌行走。飛機在飛行中會受多方因素影響:這包括相對于飛行航道的風速及風向、飛機的操作性能、導航、機師駕駛技巧等。基於以上原因,實際的飛行航道可能有別于
  19. Wide - mouth glass containers ; deviation from flatness of top sealing surface ; test methods iso 9885 : 1991 ; german version en 29885 : 1994

    廣口玻璃.瓶口密封面不平度.試驗方法
  20. The experimental results show that the effect of ib is much larger than that of the noise on estimating ionospheic delay, and ib can cause ionospheric delay measurements to include systematic errors of the order of several meters. therefore, one must significantly take notice of ib and remove its negative effect, and should not casually consider ib as part of noise whenever gps data are used to fit ionospheric model or to directly calculate ionospheric delay. ( 3 ) stability of ib is studied with a refined method for separating it from ionospheric delay using multi - day gps phase - smoothed code data

    算例表明,新方法通過採用平均去噪分離方法后處理相位丞于g陀的電官唇監剝及延遲改正工論與方法的研究平滑測碼數據,求出儀器偏差並對需要實時處理儀器偏差的觀測數據進行預報改止,直接利用觀測值確定電離層延遲量,待估參數少、能消除儀器偏差的大部分影響,具有較好的精度,可作為waas及其他gps網路系統確定電離層延遲的可行的參考方案。
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