細度測定器 的英文怎麼說
中文拼音 [xìdùcèdìngqì]
細度測定器
英文
fineness tester- 細 : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 定 : 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...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
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And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology
本文研究設計了測定光合、蒸騰速率的主從式虛擬儀器系統,系統採用紅外線分析法測定光合速率,設置有開路和閉路兩種測定方式,可以測量植物葉片的光合速率、蒸騰速率、氣孔導度和細胞間隙co _ 2濃度等與植物光合作用相關的參數。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。The method of exterior measuring shore beacon has been put forward by using evaluation precision of original azimuth of missile aiming on the background of test for the precision of missile aiming " xx " underwater to surface missile on the sea, established math model and analyzed main parameters of measurement, principle, calibration and azimuth calculating for method of exterior measuring shore beacon was discussed
對國內主要代表型號的導彈瞄準系統進行了比較詳細的綜述。文章是以「 xx 」潛地導彈海上瞄準精度試驗為背景,給出了一種外測岸標的方法來評估艦載導彈武器系統方位瞄準精度的鑒定方法,適用於潛地導彈初始方位瞄準精度的鑒定。Sb2015 - 2 precision decade dc resistance box adopts high resistance superfine glass silk and special high voltage seal switch. it electric performance is very stable and insulation intension is very high. the resistance value can be adjusted under the condition of ceaselessly opening voltage ( note : the using switch should not be at the point of 0. ) it is easy to operate and suitable to be used as dc resistance standard to calibrate insulation resistance meter
2型精密十進位直流電阻箱採用高阻玻璃微細絲電阻器及獨特的高壓密封開關,電性能穩定可靠、絕緣強度高、可在不斷開測試電壓的條件下調節電阻值(正在使用的那隻開關不處在「 0 」位置時) 、操作方便,適用於檢定/校準絕緣電阻表,也可作為直流電阻標準。In the base of investigating and analyzing to working theory, measure methods and relevant standard, the text processes particular analyses to the working theory of billing system and reason of making billing wrong and puts forward technology index and measure method that can externally evaluate the capability of billing system and is suit to the situation of our country. some indexes and measure way are put forward for the first time ( example error of call clock, time error and measure method to moving exchanger ' s billing system. ) through analyzing telecom charging way, charging users, charging point and charging methods of telecom basic and all kinds value - added operation and utilizing the newest measure apparatus, modern measure technology, communication technology and probable method, this text puts more scientific, efficient and easily operated measure methods and process a uncertain analysis to measure methods
本文在調查和分析國內外局用交換機計費系統工作原理、檢測方法和相關標準的基礎上,對計費系統的工作原理和產生計費錯誤的原因進行了詳細的分析,提出了適合國情的能夠客觀評價計費系統計量性能的技術指標和檢測方法,有些指標和檢測方法在國內相關資料中屬首次提出,如通話計時誤差和時刻誤差和對移動交換機計費系統的一些檢測方法;本文通過對電信基礎業務和各類增值業務的計費方式、計費用戶、計費點和計費方法的分析,利用國內外最新檢測儀器、現代檢測技術、通信技術和概率統計方法,提出了較科學、有效和利於實施的檢測方法,並對檢測結果的測量不確定度進行了分析。In the paper we amply introduce the logical structure and design of software and hardware of the virtual multi - channel instrument system for temperature measurement. applying the object oriented programming ( oop ) method, center control module, transmitter demarcating module, channels and scopes module, data collection and process module, data analyze module, data display module, data redisplay module, print module and the other auxiliary functions are designed, which realize the collection, process, analyze and display of the powerful virtual instrument
在本文中,作者詳細介紹了虛擬式多通道溫度測試儀系統的邏輯結構和軟硬體設計,運用面向對象( oop )的軟體設計方法,通過中心控制模塊、變送器標定模塊、測溫通道和測溫范圍設置模塊、數據採集與處理模塊、數據分析模塊、數據顯示模塊、數據回放模塊、列印輸出模塊和其他輔助功能模塊的設計,實現了對溫度信號進行採集、處理、分析和顯示的功能很強的虛擬測溫儀器。In order to compare the retention time ( rt ) and limits of detection of 20 organophosphorous insecticides in different conditions the experiments were carried out using a medium polar capillary column ( db - 1701 ) and a no polar capillary column ( db - 1 ) with two detectors ( gc - fpd and npd ). the rt of 20 organophosphorous insecticides in two different polar capillary columns was a retention qualitative method for 20 organophosphorous insecticides. db - 1701 capillary column coupled with gc - fpd detector was used in the following study, the limits of detection were in range of 5x10 - 11 ~ 2x 10 - 12 g, the linear range was 2x 10 - 9 ~ 1 x 10 - 11g
本研究用兩種檢測器(氮磷檢測器和火焰光度檢測器儀器)和兩種不同極性色譜梓(中極性毛細管色譜柱db - 1701 、非極性毛細管色譜柱db - 1 )作為研究手段,比較了20種有機磷殺蟲劑在兩種色譜柱( db - 1 、 db - 1701 ) 、兩種檢測器( fpd 、 npd )上的保留時間及最小檢測量,建立了用不同極性色譜柱上有機磷農藥的保留時間可作為有機磷農藥雙柱定性確證的的方法;建立了db - 1701 , gc - fpd測定蔬菜中20種有機磷殺蟲劑的氣相色譜法,該方法的最小檢測量為5 10 ~ ( - 11 ) 2 10 ~ ( - 12 ) g ,線性范圍在2 10 ~ ( - 9 ) 1 10 ~ ( - 11 ) g時,相關性良好。Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process
飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力The study of this paper indicates that, the combined binarization method can keep details well and tolerate the abominable state ; the method to estimate skew angle based on radon transformation is very exact, and the distortion of corrected image is also very little ; the vlp location method based on wavelet analysis and intensity moment has a high location exactness and a soon processing time ; and intelligent character recognition machine can accomplish the function of self - adaption, self - correction, self - study, etc
本文研究表明:混合二值化方法能較好的保留圖像細節,抗噪聲能力強;基於radon變換估計傾斜角度的方法檢測角度精確,校正後圖像失真較小;基於小波分析和亮度矩的車牌定位方法定位準確率高,速度快;仿人智能字元識別器則能實現識別字元過程中的自適應、自校正、自學習功能等。We select crm without coal as reference ; select semi - dynamic atmosphere to operate machine ; use the method fixing the temperature of hearth and that of sample holders when the analysis begins, which ensures the consistency of heating samples ; adopt the dta curve of " at - t " to analyzing crm heat, which decreases possible influences from the fluctuation of heating velocity ; draw conclusions that crm proportion and granularity influence the analysis little, but not crm moisture and coal species ; advise that there be a warm - up to the crm with much moisture before analysis and a modification to the crm with variable species of coal ; then obtain the feasible operation conditions and operation curve ( together with the curve function )
選用白生料作標樣;選用準動態測定氣氛;採用恆定爐膛溫度( 650 )和固定支持器初始溫度( 60 )的方法,確保了樣品受熱過程的一致性;採用「 t ? ? t (時間) 」 dta曲線分析生料熱,減少了升溫速率的微弱變化對測定結果的可能影響;得出生料配比和細度對差熱儀測定結果影響小、生料水分和煤品種影響大的結論,並提出對大水分生料測定前要進行預熱處理、對不同品種煤的測定結果要進行修正的建議。最終,得到了差熱儀適宜的工況條件和工作曲線(及方程) 。Our past record of achievement includes the production of cystoscopy devices, mass measurement devices employing 3d imaging, furnace interior temperature measurement devices, large - size raw garbage processors, industrial craft - use sand blasters, etc. as some of the above items suggest, we are have a keen interest in the development of food - related equipment and welfare equipment
作為過去的業績,除了細胞檢查裝置,三維映像質量測定裝置,爐內溫度測定裝置,大型含水垃圾處理機,工藝噴沙機外,我們也在一直開發食品和福利設施相關的機器。The chapter of software design firstly introduces the flowing chart of whole system, and discusses the whole design idea, giving the flowing chart of main program and interrupting service sub - routine of timer and part of program code. then interrupting service sub - program and velocity measuring sub - program are expatiated in detail
軟體部分首先介紹了系統軟體流程圖,論述了軟體的整體設計思想,給出了主程序、定時器中斷服務子程序流程圖及部分程序代碼,較詳細地介紹了定時器中斷服務子程序、速度檢測子程序。Standard test method for fineness of hydraulic cement by air permeability apparatus
用透氣性儀器測定水凝水泥細度的標準試驗方法Results show that triple reflection signal and quintuple reflection signal of ytype and s type are less 12db, 16. 67 db and 11. 8 db, 17. 3 db than that of " - ' " type saw mass sensor device. experiment results show that insertion loss ( about 14db ) of the devices in center frequency is close to the theoretical value ( about 16db ) developed by p matrix representation. sensing characteristics of y type and s type saw mass sensors have been also tested and analysed in detail. ethanol and pure water mixed solution containning trace nacl is titrated into mass loading area of y type and s type saw mass sensors devices to detect their mass loading sensitivities
本文對y型和s型雙聲路saw質量傳感器件的傳感特性進行詳細測試分析,在y廠書型和s型雙聲路聲表面波器件的質量沉積區中滴定含有微量naci溶質的乙醉和水的混合溶液,以測試器件的質量沉積效應靈敏度,它們分別約為2967ppm . cm丫夢g ( y型)和3一15ppm . emz /協g ( s型) ,與理論值38 . 93ppm . emz / 「 g相近,拼處于國內外同型和s型雙聲路聲表面波器件的頻率一溫度特性幾,其單聲雙聲路相對溫度系數約為10一12hz / ,處于國內外同類研究先進水平。The importance of uncertainty application and the development of uncertainty were expound based on apply uncertainty on the field of quality control and quality management. stated the basic theory and method of uncertainty, set focus on the conceptions and the method that often be confused of complicated. researched the standards, specialty of electrical application quality test and took some typical parameter of electricity from industry practice for example, comprehended the measurement deeply, analyzed the sources of uncertainty from aspects of the equipment of measurement, the method of measurement, the environment of measurement, the person of measurement and the measurand, evaluated the uncertainty completely and correctly
本文從在質量控制及企業的質量管理中應用不確定度出發,闡述了應用不確定度的重要性;不確定的基本理論和不確定度評定方法;並對其中易混淆的概念、難以理解和操作的部分作了重點分析;研究家用電器質量檢驗的依據、特點及典型儀器設備,並選擇工業現場中的一些有代表性的電學參數的檢驗進行案例分析,深入了解電器質量檢驗方法;從測量儀器、測量方法、測量環境、測量人員、被測量等方面詳細分析不確定度來源,在此基礎上全面評估和正確評定其測量結果的不確定度。Firstly, a method to estimate the rotor speed, which is based on bp neural network, is introduced in this paper. secondly, the park vector approach is used to monitor and diagnose the inter - turn fault of the stator winding. finally, this paper studies thoroughly a novel approach to detect rotor bar breaking fault, which is based on the perfect combination of the hilbert transform and digital filter
具體工作如下:採用bp神經網路對異步電動機轉子轉速進行無速度傳感器估計;對定子繞組匝間短路故障,採用派克矢量方法進行監測與診斷;對于轉子斷條故障,詳細介紹了一種新的基於希爾伯特變換與數字濾波的在線監測方法。So in this paper, the principle of electroptical non - invasive dual - ray methods are fist present in detail. in the theorem of simple structure and low power consumption, we select detecter with fitble wavelenth and low power msp430 processor, and design high stable ray - emitt circuit, low noise pre - amplifier, background disturbance counteract circuit, the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing
為此,本文詳細分析了光電無創雙光束法測定脈搏血氧飽和度的基本原理,在結構簡單,功耗小的原則下,選用合適發光波長的探頭和信號處理器,設計出光強穩定的發光電路,低噪聲前級,以及本底干擾對消電路,通過兩級低通直接送至ti公司的超低功耗混合信號處理器msp430進行a / d變換得到原始的數字信號。分享友人