時值測定器 的英文怎麼說
中文拼音 [shízhícèdìngqì]
時值測定器
英文
chronaximeter- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 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
- 時值 : [生理學] chronaxie;[音樂] duration; value時值測定法 chronaximetry; 時值計 chronaximeter
- 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
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At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation
在實驗中,利用測速管等儀器對在不同速度下的單閥和雙閥固定閥周圍的流場進行了點壓力測量,然後把點壓力轉化為點速度后繪出固定閥周圍流場的二維流線圖,同時測定了塔板的干板壓降,來考察新型固定閥帶折邊后對流場分佈和壓降的影響,為隨后的數值模擬提供對比和依據。Control of discharge - sand gate discharge - sand gate adopts electro - hydraulic handspike ; it uses displacement transducer to measure opening of sluice gate ; when opening of displacement transducer is smaller than set point, the electro - hydraulic handspike will open this gate ; when opening of displacement transducer is larger than set point, the electro - hydraulic handspike will close the gate
卸砂門採用電液推桿,由位移傳感器檢測砂門的開度,當位移傳感器檢測的開度小於控制系統的給定值時,電液推桿工作將門開大,當位移傳感器檢測的開度大於控制系統的給定值時,電液推桿工作將門關小。The measuring device cooperating with displacement sensors and prepositive device can monitor vibration signals including peek - peek value and average value etc. besides, it can auto - detect the distance that the sensor installed with and alarm if the interval exceeds the alarm value
該測量儀與位移傳感器及前置器配合使用,能夠在線監測包括振動峰峰值和平均值等振動信號量,同時測量儀可以自動檢測傳感器安裝距離,在危險的情況下可以根據事先設定好的報警值進行報警。The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating
圍繞這一工作核心,作者完成了以下幾項工作: ( 1 )以實現寬量程電流互感器為目標,提出了基於bang - bang控制的有源補償方法,採用雙級電流互感器,將復雜的狀態控制分量轉化為偏差控制,該方法結構簡單,調試方便,有源補償器輸出電流小,可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變化到120時,測量誤差不超過一次電流額定值100時準確度為0 . 1級的測量標準。The algorithm can not only eliminate the influence of the cumulative errors of the photoelectric code recorder, but also it can satisfy the requirement of the real - time control. a direct inverse model controller of fuzzy neural network with changeable structure based on takagi - sugeno inference is presented and it is used to the motion control of mobile robot. in order to avoid the obstacles successfully, detection results from ccd and ultrasonic sensors are fused by a fuzzy neural network, which acts as an avoidance controller
包括移動機器人的融合自定位問題:移動機器人利用光電編碼器進行自定位,同時用擴展卡爾曼濾波器融合多個超聲波傳感器的測量值,採用回朔演算法將融合值用於復位光電編碼器,消除了光電編碼器累積誤差的影響,並能滿足實時控制的要求:並提出一種基於takagi - sugeno模型的變結構模糊神經網路直接逆模型控制器,並應用於移動機器人的運動控制;利用模糊神經網路避障控制器融合ccd攝象機與超聲波傳感器探測到的環境信息,以實現機器人的安全避障。A lot of data of elevation in different places of the shallow water of n antong were obtained by fish - exploring machine and gps determining and tide cor recting. an image which reflects landforms of nantong was obtained by selecting f rom the many noaa images on different channels and in different phases. based on the image, grey scales corresponding to different places were obtained. by using c la ssifying liner regression technique, liner regression equations were established between the elevation and grey scale, and the threshold values of grey scales of the different elevations were determined. according to the threshold values, the a reas of the tidal zone above different elevations of the shallow water of nanton g were estimated
通過利用gps及漁探器實測,並進行潮位訂正,獲得南通淺海海域大量測點的高程資料;通過對多時相各通道noaa衛星照片進行篩選,挑選能反映淺海地貌的通道資料,從中讀取各測點相對應的灰度值,在此基礎上利用分級線性回歸,建立不同高程范圍內的高程、灰度線性回歸方程,確定不同高程的灰度閾值,從而測量出南通市淺海海域不同高程以上的潮間帶面積、分佈。Instrumental method : the estimate value of loq is the concentration when the signal - to - noise ratio is 10 : 1
儀器分析方法:一般以信噪比為10 : 1時相應的濃度作為定量限的估計值,然後配製相應定量限濃度的樣品,反復測試來確定。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。Ultraviolet absorption detector, photodiode array detector ( dad ), fluorescence detector, and electrochemical detector are optional detectors, response value of which is relative to not only quality of the object under test, but also structure of the compound ; refractive index detector and evaporative light - scattering detector are universal detector, responding to structure of all compounds ; evaporative light - scattering detector is quality - type detector, whose responding value only relates to quality of the object under test for compounds with similiar structures ; photodiode array detector ( dad ) can, at the same time, record absorption spectra of the object under test in a prescribed wave scope, consequently, it can be used in spectrum control and inspection of purity of chromatographic peaks of the object under test
紫外、二極體陣列、熒光、電化學檢測器為選擇性檢測器,其響應值不僅與待測物的質量有關,還與化合物的結構有關;示差折光檢測器和蒸發光散射檢測器為通用型檢測器,對所有的化合物結構均有響應;蒸發光散射檢測器屬質量型檢測器,對結構類似的化合物,其響應值幾乎僅與待測物的質量有關;二極體陣列檢測器可以同時記錄待測物在規定波長范圍內的吸收光譜,故可用於待測物的光譜管制和色譜峰純度的檢查。In order to solve the problems of flux estimation using the voltage model, such as the initial value and the drift of pure integrator, a flux - observer - based method is applied
利用磁通觀測器,可避免用電壓模型推算轉子磁通時遇到的積分運算問題(初始值確定和誤差積累引起的積分漂移) 。Sb2015 - 3 precision decade dc resistance box adopts high voltage glass glaze resistors and special high voltage seal switch. its 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 to calibrate insulation resistance meter, and suitable to be used as high resistance standard
3型精密十進位直流電阻箱採用高壓玻璃釉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,也可作為高阻標準。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 order to better detect the image edge information, firstly, non ? linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filter, and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately
在激光探測系統中,微弱的回波圖像淹沒在強背景噪聲中,為更好地檢測這類含噪圖像的邊緣信息,首先應用特徵方向非線性中值濾波技術,濾去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小波作為原始小波濾波器,採用提升方案構造最優雙正交小波濾波器,應用構造的雙正交小波進行多尺度小波邊緣檢測;同時,通過定義浮動閾值,並應用於圖像邊緣檢測,較準確地定位了邊緣位置。In order to better detect the image edge information, firstly, non - linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filters and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately
在激光探測系統中,微弱的回波圖像淹沒在強背景噪聲中,為更好地檢測這類含噪圖像的邊緣信息,首先應用特徵方向非線性中值濾波技術,濾去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小波作為原始小波濾波器,採用提升方案構造最優雙正交小波濾波器,應用構造的雙正交小波進行多尺度小波邊緣檢測;同時,通過定義浮動閾值,並應用於圖像邊緣檢測,較準確地定位了邊緣位置。During the low strain dynamic test of the foundation pile, the adoption of the velocity sensor to the direct measurement of the relative displacement of the pile head is helpful to reducing the improper dependence upon the measured intrinsic frequency valuesof the pile soil system in calculating vertical bearing capacity of the single pile, and is hence conducive to raising the accuracy of the calculated vertical bearing capacity of the single pile
基樁低應變動測中,採用速度傳感器直接測出樁頭的相對位移,在推算單樁豎向承載力時,有助於降低對樁土體系固有頻率測定值的過分依賴,從而有利於提高單樁豎向承載力推算值的準確程度。Electrical relays. single input energizing quantity measuring relays with non - specified time or with independent specified time
電氣繼電器.無規定時限或自定時限的單輸入激勵數值測量繼電器The orpadtc model can always match the real process and the upldt output, which can be used as the feed back signal of the control system, can be predicted. the orpadtc completely solves the problems, sensitive to the error of the model parameters and the low power against disturbance, which exist in the traditional smith c ompensator
這樣無論實際受控過程的參數怎樣變化,只要不影響系統的穩定性,對象參考參數自適應時滯補償器的模型總能和實際過程趨於一致,並提前獲得大時滯不確定過程實際輸出的預測值,以便在構成閉環控制系統時替代實際輸出作為反饋信號。When a smoothing function ' s first derivative is adopted as wavelet function, the local maxima of wavelet transform modulus detect the location of signal ' s singularities, in this thesis, these characters are not only applied to measure the magnitude of dead angles of the dissymmetry inrush but also the symmetry inrush in three - phase transformer
當小波函數取光滑函數的一階導數時,信號小波變換的模在信號突變點將取得局部極大值。本文利用這些性質不僅對三相變壓器的非對稱性涌流間斷角的大小進行測量,同時還測量了對稱性涌流的間斷角,測量精度有一定的改善。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。分享友人