準直差 的英文怎麼說

中文拼音 [zhǔnzhíchā]
準直差 英文
collimation error
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  1. In the technique of pre - processing on night vision images, such algorithms as image registration, non - uniformity correction, image enhancement are mainly studied and realized. an innovatory algorithm of full - scale non - uniformity correction on ir images is presented and an arithmetical progression histogram equalization algorithm in the enhancement of image is validated and developed in this dissertation

    在夜視圖像預處理技術方面,主要研究實現了圖像配、非均勻校正、圖像增強等演算法,並創新性地提出了紅外圖像基於全局的非均勻校正演算法,驗證並發展了等數列方圖均衡圖像增強方法。
  2. The mathematical statistics method and extrema variance clustering method can be used to visible automatic classifying and reading of logging curves. the lithofacies classifying program basing on multi - mineral model analysis presents a new method to analyze logging - facies and more accuracy and visualized logging facies section can be reached by using this method. in addition, it supplies reliable lithologic layering reference for search and evaluation of oil / gas caprock and it also made up for the high cost of core - drilling and the inaccuration between lithic fragment description and depth

    採用基於「數理統計-極值方聚類法」的面向對象可視化操作方法可有效地解決測井曲線的可視化自動分層取值問題;而基於多礦物模型分析的巖相劃分程序又提供了一種新的測井相分析方法,能得到更為觀的測井相剖面,為尋找和評價油氣蓋層提供了可靠的巖性分層依據,同時彌補了鉆井取心費用高和錄井巖屑描述與深度有誤的缺陷。
  3. By using a reflector and two pentaprisms, one beam of light is separated into two parallel beams, then respectively they are received by two optical systems of the large scale photoelectric theodolite with certain imaging d - value which correspondingly represents each optic axis parallel error of these two optical systems

    方法是利用一塊反射鏡和兩塊五棱鏡將一束光束分光成兩束平行光束,大型經緯儀的兩個光學系統分別接收這兩束平行光,兩束平行光所成像的脫靶量值即為兩光學系統的光軸平行度。
  4. It is shown by analyzing large test data that the empirical formula presented in the paper has higher linearly dependent coefficient, lower average relative error and relative standard deviation compared with the traditional empirical formula of orthoscopic and power function

    試驗數據表明,本文提出的經驗公式比傳統的線式和冪函數式經驗公式的線性相關系數更高,且平均相對誤和相對標都低。
  5. Based on developed experimental testing facility, the shading performances of southing horizontal shading devices, vertical shading devices and integrative shading devices of external windows are measured, the performance parameters including indoor temperature, air - conditioned cooling load and shading coefficient as so on. and the shading coefficient of experimental test results and calculation results based on design standard for building energy efficiency are compared, and the windows5. 2 simulation results are compared also. the measured results are consistent with the calculation results of horizontal shading devices and vertical shading devices

    本文利用研製的建築遮陽性能檢測裝置,對南向水平遮陽板、垂遮陽板和綜合遮陽板外窗的遮陽性能(包括室內溫度、空調耗冷量和遮陽系數等)進行了實驗測試,並對遮陽系數的實驗測試結果與節能設計標的計算值以及windows5 . 2軟體的模擬結果進行了比較分析,測試結果表明水平遮陽板和垂遮陽板外窗的遮陽系數與計算結果比較一致,相對誤分別為2 . 5 %和4 % ,而綜合遮陽板外窗的遮陽系數與計算結果的值比較大,相對誤達到10 %以上。
  6. Open and shut - down is operated by the density variati on bet ween condensation water and steam, condesation water can drive valve directly, featuring precision and reliability

    倒置桶疏水閥的開啟和關閉是根據凝結水和蒸汽的密度來動作的,凝結水可接驅動疏水閥啟閉,其動作確,可靠性高。
  7. The alignment error and positioning precision of the wiggler are analyzed

    對超導扭擺磁鐵的誤和精度進行了分析。
  8. It is very important for minutia extraction in afit ( automatic fingerprint identification technology ) based on minutia matching. the fingerprint image always has much noise and can not be adapted to extract minutia directly, so pre - processing of fingerprint image to get a point - line image is an important part of afit domain

    細節特徵點的確提取在基於細節特徵點匹配的自動指紋識別技術中十分重要,然而由於各種噪聲的影響,使得所採集的指紋圖像質量比較,並不適合接用來提取細節特徵點,所以對指紋圖像進行預處理以獲得清晰的點線圖是自動指紋識別研究領域的一個重要組成部分。
  9. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了錯控制技術、多進制調制( mqam ) 、 nyquist則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括(整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現) 、分散式演算法、 cic濾波器、接數字頻率合成( dds ) 、 cordic演算法。
  10. We estimated the weighted mean differences or standardized mean differences, with their 95 % confidence interals, in mechanical axis alignment, duration of surgery, and functional scales between naigated and conentional surgery

    對于導航和傳統術式的力軸校、手術時間和功能得分,我們計算了加權均數值或標均數值的95 %可行區間。
  11. From the result we get the following conclusion : for narrow - band signal, the effect of the method based on fft is best. for wide - band signal, when snr is up to certain degree ( higher than - 7db or so ), the curves of square error of modified methods are more obvious and closer to crb. for an echo composed of more than one frequency or direction, space - frequency distribution could show more direct information of frequency and direction, which is more advantaged to make precise judge and estimation for doa of echo

    從估計結果發現,對于窄帶回波信號,基於fft的方法估計性能大大優于其他方法;對于寬帶回波信號,在信噪比達到一定程度(高於約- 7db )時,補償后的幾種估計法的性能改善均比較明顯,誤曲線越來越接近crb曲線;對于回波中存在多頻率多方位的情況,空間?頻率分布圖能提供較為觀的頻率及方位信息,因此應用空間?頻率估計法來進行方位估計,更有利於進一步對回波的具體方位進行確判斷和估計。
  12. In many performance check, artillery control systematic dynamic trail aimed error is one of relatively important parameter, dynamic trail aimed error denote : when high cannon system is dynamic trailing, set bullet pellet flight time is 0, in the condition of not considering advance quantity ( 0 fly working ), the axis of artillery pipe should direct goal

    在諸多的性能考核中,火控系統的動態跟蹤瞄是較為重要的參數之一。所謂動態跟蹤瞄是指:當高炮系統在進行動態跟蹤時,設定彈丸飛行時間為零,即在不帶提前量的條件下(即零飛工作方式下) ,火炮身管的軸線應接指向目標。
  13. The results show that the asymmetry of temperature field in detection equipment is influenced by super temperature in natural environment, and the standard temperature sensor and the ones regulated are not installed appropriately in the temperature equipment

    結果表明:造成校接原因是自然環境溫度過高引起溫度校設備內的溫度分佈不均勻,間接原因是標溫度傳感器與被校溫度傳感器在溫度槽內不恰當的安裝。
  14. The regional deformation anomaly of medium - term phase ( 1 ~ 3 years or more ) before strong earthquake occurrence usually shows three aspects of common characteristics : for regional vertical deformation, it shows distribution features of anomalous uplift area and concentration belt - high gradient belt of vertical differential deformation ( some of them reflect distribution of four quadrants ) related to tectonics ; for horizontal movement, it shows features of centralized high strain area ( or zone ) of domination shear deformation related to active blocks and faults ; it shows common features of regional vertical deformation anomaly area and high strain distribution area of horizontal deformation

    摘要強震前中期階段( 1 ~ 3年或稍長)區域性形變異常往往表現出3個方面的共性特徵:區域垂運動變形呈現與構造有關的異常隆起區、垂異變形高梯度帶(有的還呈「四象限」 )分佈特徵;水運動變形呈現與活動地塊及斷裂構造有關的、以剪切變形?主的高應變集中區(帶)特徵;區域性垂形變異常區與水形變的高應變分佈區共性的特徵。
  15. The autoaligment instrument and accuracy turntable with digital display are used to detect the step angle after 32 subdivision, and the experiment results are given, the mean - square error of step angle after 32 subdivision is less than 3. 7 %

    為了檢測32細分后的步距角,採用了自儀加精密數顯轉臺的光學測量方法,並給出了實驗結果, 32細分步距角的均方誤不大於3 . 7 。
  16. Presented four methods of laser collimation, realized 3 of them with the software of zemax, and meted the requirement of the system design ; 3. realized the laser beam expanding from point - laser to line - laser wide enough to cover the flange trackside ; 4. after image grabbing and processing, picked up the profile of the train wheel

    作者獨立完成的工作包括: 1 、提出了曲面測量的光學系統的整體方案; 2 、提出了四種激光擴束的方案,用光學設計軟體zemax完成了其中三種的設計;經過像分析和追跡,達到了擴束的要求; 3 、點光源到線光源的單方向擴展,達到了覆蓋輪緣踏面的要求; 4 、通過實驗採集圖像和圖像處理,提取出被測輪緣的輪廓。
  17. In addition, pending new drug applications ( nda ), abbreviated new drug applications ( anda ), or export approval requests may not be approved until the aforementioned deviations are corrected

    此外,還未決定的新藥申請( nda ) 、簡略新藥申請( anda )以及出口批申請可能不會被批到上述偏已得到整改。
  18. The recovery can reach 95 % after it extracts once, rsd % is lower than 10 %, the detection limit of zirconium is 1. 3u. g / ml. and increasing the application of film in xrf is studied. the method of using organic sample to make resource after extracted by tta can be used to determine zirconium in simulated p rocess solution of spent fuel reprocessing quickly and veraciouly

    萃取一次便可達到理想的萃取效果,回收率可達95 ,相對標10 ,鋯的檢出限為1 . 30 g / ml ,同時改進了薄膜法在x射線熒光光譜法中的應用范圍,此方法採用tta萃取分離的有機相接制源可快速、確地對測定purex模擬工藝料液中的鋯含量。
  19. An atmosphere structure constant cn2 model, which varies with height, is presented based on itu - r amplitude scintillation model, existing itu - r optical cn2 model and meteorologic measurement relative humidity and temperature profile data, at 10 ~ 30ghz. the log - amplitude scintillation deviation calculated in terms of the cn2 model based on humidity and temperature vertical profile compare with values predicted by means of itu - r and ortgies model. it is emerged that the calculation results based on the cn2 model agree almost with prediction results by itu - r and ortgies model at 10 ~ 30ghz and there is an advantage that relative humidity and temperature varied with height has be considered in the cn2 model

    根據光波段的itu - rc _ n ~ 2模型, itu - r幅度閃爍標模型,和溫度和相對濕度隨高度變化的氣象數據,在10 30ghz ,分析得到了大氣結構常數c _ n ~ 2隨高度變化的模型;並根據溫度和濕度垂分佈數據計算了對數幅度閃爍_ x ,還與itu - r和ortgies模型的預測結果進行了比較,結果表明,在10 30ghz ,用該c _ n ~ 2模型計算的結果和用itu - r及ortgies模型預測的值符合較好,且在用c _ n ~ 2模型計算時考慮了溫度和相對濕度隨高度變化關系。
  20. Another means is to extract rotation - invariant and translation - invariant features without registration. the purpose of this means is to avoid error cause by registration

    為了避免圖像配時引入的偏,本文採用的另一類特徵提取思路是不進行圖像配接提取對旋轉和平移都保持恆值的不變特徵。
分享友人