儀器的不準度 的英文怎麼說
中文拼音 [yíqìdebùzhǔndù]
儀器的不準度
英文
instrument error- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
- 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
- 的 : 4次方是 The fourth power of 2 is direction
- 不 : 名詞[書面語] (剁物所用的木墩) a block of wood
- 準 : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
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Compared with primary second sampling a / d converter, it realizes digital feedback by digital circuit and does n ' t adopt high accuracy d / a converter with complex technology and high price. it has many excellent qualities, such as high - integration, high - accuracy, widely used, low - price. it can be widely used in test and measure system, scientific instrument, iatric instrument, automatic test system etc. so popularizing this new type a / d converter has very significant meaning
與原有的兩次采樣a / d轉換器相比,用數字電路實現數字反饋可不用技術復雜、價格昂貴的高準確度d / a轉換器,具有集成度高、準確度高、適用性強、價格低等優點,可廣泛應用於測量測試系統、科學儀器、醫療儀器、稱重儀器、自動測試系統等。During the precess of color identifying or matching, different light source, daylight or environment would cauld cause in correct recognizing upon color, with standard and objective light source, this apparatus provides precise control upon the idenification of the color of maerial or products
在產品的對色或配色上,不同的光源,照度或環境會使肉眼對色彩產生錯誤的判斷,本儀器可提供標準客觀的光源使得原料及產品顏色的對比,能有精確的控制。The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。" with the implementation of the ifr procedures, pilots can utilise signals from ground navigation aids and fly along the designated ifr routes even when the visibility precludes visual flights. the regularity of the helicopter service between hong kong and macau is therefore improved, " the spokesman said
他說:儀表飛行規則程序獲準使用后,即使能見度低至不可能靠目視飛行,飛行員仍可根據地面導航儀器所發出的信息,以設定的儀表飛行規則路線飛行,令來往港澳之間的直升機服務更有規律。The instrument can easily and correctly location, depth of the underground pipes and the exact position of leak points on the insulating anticorrosive coating without digging ground
本儀器不挖開復土的情況下,方便而準確地查出地下管道的走向、深度和絕緣防腐層的漏蝕點的精確位置,使整個管道表面不再屢遭到處開搪破土之苦。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儀器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偏心差的測定;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀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;比較了全站儀和計算機的內部時間系統,發現兩者存在較大差異。It has wide frequency width and high frequency relution. the maximum output frequency can get to 80m and the highest frequency relution can get to 1 u hz, the waveform memory is 64k. it has the important reference value for three classical structures - pc bus card, stand alone, vxi module
該任意波形發生器不僅能產生正弦波,方波,三角波等常用的標準信號,還可根據用戶的需要生成任意波形,具有寬頻帶,高的頻率解析度等特點,其波形最高輸出頻率可達80m ,頻率解析度可達1 hz ,波形最大存儲深度為64k ,對于目前三種典型的任意波形發生器的結構? pc總線插卡式,獨立儀器, vxi模塊都有重要的參考價值。Measuring technology of multi - channel is the foundation of matter composition and radioactivity verifying by way of nuclear methods. the dissertation aims at developing tendency of measuring technology of multi - channel nuclear energy spectrum, combining the characteristics of field working, focusing on systematically reseach on some key techniques such as the design of multi - channel analyzer ( mca ) and apparatus, with a view to resolve defects exsisting in current portable apparatus
論文瞄準國內外多道核能譜測量技術的發展趨勢,結合現場工作的特點,針對目前現場多道核能譜測量儀器中存在的諸如儀器功耗、重量、體積偏大,不便於現場操作等問題,在多道脈沖幅度分析器以及儀器的單片機機化等方面作了較為系統的研究。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。Based on a set of multi - function intelligent security appliance, this text redesigned the hardware and software on the part of low voltage startup and power testing, not only condensed old hardware circuit but enhanced the stabilization of the hardware circuit, and made the testing precision of voltage, current and power no more than 2 % o measure, designed interlock protect of the whole system, and finished the experimental appliance
本文基於一套多功能智能電器安全測試儀,在低壓啟動,功率測量兩個方面在原有的基礎上重新設計了硬體,不但精簡了原來的硬體電路,而且提高了電路的穩定性。重新設計了軟體,使其電壓,電流,和功率的測量精度都不超過千分之二的量度標準,還對整個系統作了聯鎖保護的設計,並且做出了樣機。On the basis of investigation on oscillometric technique for non - invasive blood pressure measurements, and combined the technique with pulse - wave theory, this paper designs a blood pressure and artery stiffness measuring apparatus, which not only can measure blood pressure and heart - beat - rate accurately, but can calculate the measurer ' s arterial stiffness index and vascular compliance. the apparatus provides an effective instrument for doctors to determine the measurer ' s cirrhosis level
本論文在研究分析無創血壓測量方法示波法的基礎上,結合脈搏波理論,設計出一種準確高效的血壓與血管硬度測量儀,該儀器不僅能夠準確測量出受試者的血壓與心率,還能夠計算出受試者的動脈彈性指數和臂動脈順應性,為醫生判斷患者的動脈硬化程度提供一種有效的檢測手段。Additional internal amfm modulation accuracy check on the same unit ( maximum carrier frequency limited to 1. 3 ghz )
檢測儀器的本身調幅及調頻的內調制功能的準確度(最高載頻不超過1We 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) 。Because the measured standard is not unified, the result of measure has great errors. so the materials are not effectively researched and used
這樣,由於沒有統一的度量標準和標準測量儀器,使測量結果存在較大的誤差,給這種高性能材料的研究與應用帶來了很大的不便。The results of calculation and evaluation showed that the main factors were the precision of standard curve and the excursion of instrument
對測量不確定度進行計算和評定,結果表明,影響其測量不確定度的主要因素是標準曲線精密度以及儀器漂移。The introducing of control techniques of virtual instrument ( vi ) in the calibration system by this thesis not only makes the costly instruments is not necessary, but also make use of computer to control the calibration system and acquire, analysis, handle and save output data of piezoelectric accelerometer
論文引入了虛擬儀器控制技術到校準系統中,不僅可以省去了相對昂貴的多的實際測量儀器,而且還利用了計算機對整個校準系統的自動控制,以及對壓電加速度傳感器的輸出信號數據的自動採集、分析、處理和保存。A : a transmissometer is a piece of highly sophisticated optical equipment for measuring the visual range. its accuracy depends on the cleanliness of the lens, the same way as a pair of soiled glasses will blur one s vision
答:跑道視程透射表是一部很精確的光學儀器,鏡面的清潔程度會影響它的準確性,好像眼鏡沾了污垢,看東西也不清楚一樣。3. the exposure time and recovery time of the optode membrane are 5s and 25s respectively. the reversibility of the fluorescence signal was evaluated by alternate measurements in air saturated water and nitrogen - purged water. the relative standard deviation
與標準法相對照,用本儀器系統測定了不同鹽度的人工海水中的溶解氧濃度,兩種方法在不同濃度水平下的溶解氧測定值均無顯著性差異。The standard equipment for measuring the intensity of uv ultraviolet radiation at different wavelengths needed for calculating the uv index is the
要計算紫外線指數需要量度不同波長的紫外線強度,進行這種量度的最標準儀器是分享友人