量測準確度 的英文怎麼說
中文拼音 [liángcèzhǔnquèdù]
量測準確度
英文
accuracy of measurement- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 準 : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
- 確 : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 量測 : measuration量測精度 accuracy in measurement
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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。Manual measure tools, such as micrometer were used to measure outside and inside diameter of tube product, which is effected by people factor and has long measuring period and low precision and dose not fulfill the on - line measuring need of batch production. so, according to the product line structure of tube product, the on - line measuring method with linear ccd is brought forward in this article and imitating operation is done by the mentioned method
傳統的對管狀產品的檢測方法是利用千分尺等工具手工測量,測量周期長、準確度不高且受人為因素影響大,不能滿足批量生產的在線檢測要求。為此,本文根據所研究管狀產品的生產線結構,提出了一種以線掃描ccd攝像機為基礎的在線檢測方法並對此方法進行模擬計算。Then we present a toa / tdoa data fusion model based on mathematical statistics for radiolocation in cellular network, and fuse toa / tdoa measurements through a best linear fusion method and a mobile position based dynamic location algorithm, which shows good performance of robustness and accuracy
然後,從數理統計的角度出發,構造了一個toa和tdoa進行位置估計的數據融合模型。主要利用一種最佳線性融合策略和基於移動臺位置的動態定位演算法對toa和tdoa測量數據進行融合,有效的提高了演算法可靠性和準確度。We have developed a high precision wavemeter with an accuracy of 2 10 ^ ( - 8 ) in measuring vacuum wavelength, and a frequency measurement instrument by femtosecond modelocked laser with an accuracy of commercial cs standard
為了適應研究工作的需要,研製了高精度激光波長計,測量真空波長的準確度可達2 10 ^ ( - 8 )的量級,同時研製了飛秒鎖模激光的測頻裝置,目前的測量精度可與小銫鐘的精度相同。Limit of quantification ( loq ) is the lowest concentration of the analyte in a sample that can be determined with acceptable precision and accuracy under the stated experimental conditions
定量限系指樣品中被測物能被定量測定的最低量,其測定結果應具有一定準確度和精密度。This product is a type of professional handset infrared rays used thermometer, not need to touch with testing object, with facility - using, stability - design, exactitude - measurement, wide - measuring range. it has laser ranging, apheliotropic display, automatic numerical reading lock - in and automatic tailoff
手持式紅外線本產品是一種專業型的手持式非接觸紅外線測溫儀,使用簡易,設計堅實,測量準確度高,測溫量程范圍寬等特點。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。It is mainly used to measure bearing temperature of various bearing equipment in the power station, which measured end is closely cling to surface of the measured bearing depend on shock - proof structure, hence improving accuracy in measuring temperature
主要用於測量電站各種帶有軸承設備的軸承溫度,由於產品採用防震結構,使測量端緊貼被測軸承表面,從而提高了溫度測量的準確度。Structural matching is a main approach for on - line chinese character recognition. in order to reduce its great computational comple xity and improve its performance, people have been seeking for a way to guide the whole matching by the result of partial matching. in this paper, the authors prop osed 45 basic components from 3, 755 categories of the daily - used chinese charac ters to guide the stroke segment matching. because they always locate at either the beginning or the end of the stroke segment string, these components are easy to extract and separate from other parts of the character. besides, the reference templates of these components are dynamically extracted from the reference segmen tstring and dependent on the current matched character so that a more accurate matching is carried out. experiments show that the segment matching computation h as reduced almost 50 %. the approach is also enlightening for other similar object matching problem
結構匹配是一種有效的聯機手寫漢寫識別方法,為了減少匹配運算,人們一直在尋求利用部分匹配的結果來引導整體匹配的方法.在特徵匹配與結構匹配綜合的基礎上,從3 . 755個一級國標漢字中提取出45個子結構,利用它們來引導結構匹配.由於這些子結構總出現在字首或字尾,因而對它們的檢測比較容易.同時,通過建立子結構活動模板及設計子結構動態抽取演算法,使得子結構匹配的準確度得到很大提高.實驗結構表明,該方法使結構匹配的運算量減少約50 % ,並對類似的物體識別問題有一定的啟發意義Calibration graph obtained by the modified procedure for ddmbac showed good linearity and its correlation coefficient was above 0. 999. the coefficients of variation and average recovery of added ddmbac were up to the mustard. the linear concentration ranges for batch determination of ddmbac were 0. 06 ~ 3. 33mg / l
利用改進后的方法對ddmbac的測定建立了質量控制體系,其標準曲線的相關系數大於0 . 999 ,線性良好,精密度和準確度均符合檢測要求,線性范圍為0 . 06 ~ 3 . 33mg / l 。Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes
本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。In order to improve measurement precision and display fidelity of the instrument, three new methods of nonlinear calibration of thermal instruments, which are based on intelligent control theory, are presented in this paper, such as nonlinear compensation of zr02 oxygen measurement instrument using bp nn, nonlinear calibration of temperature measurement sensors using cmac nn and nonlinear identification of throttle flow meter using ga. these methods prove to be not only simple but also effective
火電廠熱工儀表普遍存在非線性特性,為了提高參數測量的準確度和儀表顯示的精確度,基於智能控制理論,文中提出了熱工儀表非線性校正的新方法: bp神經網路補償氧化鋯氧量計非線性特性的方法、 cmac神經網路校正測溫傳感器非線性特性的方法、遺傳演算法辯識節流式流量儀表非線性特性的方法。The paper studies the mechanism of the monitoring system and gives it ' s structure. considering the practice, the software is compiled which is based on win98 dll and used to control the sample and disposing data
提出了微水含量在線監測系統的工作原理及實施方案,設計了系統的整體硬體結構以提高測量的準確度和穩定度並降低溫度的影響和雜散干擾。Abstract : a new non - contact measurement system of the ammunition energy is discussed, which can be used to measure the performance parameters of all kinds of ammunition chemical battery in non - contact means. as infra - red optical medium is applied to send signals in this system, the problems in the traditional measuring such as low - precision measurement, existing of the ac - dc boundary and the multi - factors arising thereform are overcome, and the noncontact measurement precision of the ammunition energy performance parameters is improved
文摘:論述一種彈載能源非接觸測量系統,適用於各型彈載化學電池性能參數的非接觸測量,該系統採用紅外光介質從電磁場中傳遞信號,克服了傳統測量方法精度低和「交直流界線」及其導致的「多系數」等問題,大大提高了彈載能源性能參數非接觸測量的準確度。Guidelines for decision rules : considering measurement uncertainty in determining conformance to specifications
決議規則指南:根據規范確定一致性時對測量不準確度的考慮The other one is a morphological corner extraction algorithm based on the “ hit - number ”, which is suitable to both the binary and the gray - scale images. the algorithm has high detection accuracy, strong noise restraining ability, and is simple in calculation and easy to be realized on hardware
二是基於「擊中數」的角點提取演算法,可以在二值圖像和灰度圖像中提取角點,具有檢測準確度高、抗噪性能好、計算量小和硬體實現方便等優點。The basic calibration for a phasemeter include checking of phase angle measurement accuracy at equal signal levels for 4 different frequencies
相位計的基本校正工作包括按四個不同頻率的相等訊號電平,檢查相角測量的準確度。An economical and effective new technology using sound card is proposed in this paper. it collects the leakage current from high voltage insulator, and then deals with the noise elimination using wavelet analysis. compared with the traditional signal analyzing method, the wavelet analyzing technology not only can distill the leakage current signal from the noise precisely, but also can distinguish the low quality character of leakage current signal. this method plays an important role to the device in early fault diagnosis, and can improve the accuracy of measurement and fault diagnosis in the application
介紹了一種利用電腦的聲卡對高壓絕緣子的泄漏電流進行採集的經濟有效的新技術,並通過小波分析技術對所獲得的信號進行消噪處理.與傳統的信號分析方法相比,小波分析技術不僅能從噪聲中準確提取待測泄漏電流信號,同時又可真實復現泄漏電流信號中的劣化特徵,這對設備的早期故障診斷具有重要意義.顯著提高了測量的準確度,增強了設備故障診斷的準確性An investigation on increasing accurcy of alcohol content measurement by abbe refractometer
提高用阿貝折射儀測定乙醇含量的準確度W hen mensurating the ventilator that is being used on site, it is the key on the whole technological measurement work that how to make the work not or little to affect mine ' s natural produce, how to utilize the condition on site and determine the ventilator ' s resistance regulation plan, how to select appropriate measure points and how to improve the measure veracity
測定現場使用的通風機時,如何使測定工作不影響或少影響礦井正常生產,如何利用現場條件確定通風機阻力調節案,選擇合理的測量點,提高測量的準確度,是整個技術測定作的關鍵。分享友人