電診斷法測驗 的英文怎麼說
中文拼音 [diànzhěnduànfǎcèyàn]
電診斷法測驗
英文
electrodiagnostic testing- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 診 : 動詞(診察) examine (a patient)
- 斷 : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 診斷 : diagnose; diagnosis; diacrisis
- 測驗 : test; trial run; examination; testing
-
But its accuracy of detecting is low in application. in this paper we try to find a method based on artificial neural network to improve the accuracy of detecting faulty insulators
本文力圖通過大量的實驗室和現場數據的分析,發展一種基於人工神經網路的不良絕緣子診斷方法,提高脈沖電流法用於檢測不良絕緣子的準確性。The determination of human thymidine kinase ( htk ) in human serum, which is a key indicator of cancers can give information for the diagnosis and treatment of the malign diseases. the protein a layer was first self - assembled onto the gold electrode surfaces of quartz crystals, the monoclonal antibodies were then orientedly immobilized through the specific binding between the fc terminals of the antibodies and the self - assembled protein a. with this sensor, the affinity constant of antigen - antibody binding was estimated to be 1. 85 106 l / mol according to the scatchard ’ s plotting method, which proved the high bioactivity of antibody. finally, an amplified piezoelectric immunosensor was designed to determine the htk in
實驗中將蛋白a吸附於鍍金壓電石英晶體電極表面,用於定向固定htk單克隆抗體,成功研製了檢測htk的壓電石英晶體傳感器,並基於標準scatchard繪圖法,計算出免疫反應的親和常數為1 . 85 106l / mol ,證明該單克隆抗體具有較高的免疫活性;同時基於酶催化沉澱技術,設計了的檢測htk的質量放大壓電石英晶體傳感器,該傳感器可在0 . 1 - 10ng范圍內對htk進行定量檢測,應用此傳感器成功地對5種癌癥病人血清中htk的濃度進行了測定,實驗結果為癌癥的臨床診斷與治療提供了參考。It mainly includes following aspects : in this paper, firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail, and on this foundation signal given frequency band component extraction method is proposed. then we investigate frequency aliasing phenomenon, reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis, and frequency bands where frequency aliasing phenomenon is easer happened, and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon. third we set up vibration signal detected system, design experiments to obtain three groups of fault signals : eccentricity fault, mixed fault of eccentricity plus mild rub, mixed fault of eccentricity plus moderate rub, and process these data using analysis method proposed in this paper
首先對論文的選題以及相關背景進行了探討,並對相關的小波基礎理論進行了闡述,主要針對感應電動機的偏心故障和偏心+碰摩復合故障形式及相關的應用演算法進行了詳細探討,主要工作內容包括下面幾個方面:在論文中,首先對小波分析在信號的諧波分量提取中的應用進行了研究,在此基礎上,提出了信號的特定頻帶成分的提取方法;研究了小波分析的頻域混疊現象,探討了小波分析應用於電機故障診斷領域時易發生頻域混疊現象的原因,以及混疊現象較易發生的頻帶,提出了可以有效減輕頻域混疊現象的改進的morlet小波分析方法;搭建了振動信號檢測系統,設計實驗採集得到三組故障數據:偏心故障,偏心+輕微碰摩復合故障,偏心+中度碰摩復合故障,並對這些數據應用本文提出的分析方法進行信號處理,提取出的特徵參數可有效區分這兩種故障形式;研究了基於matlab和labview的混合編程方法,完成了電機故障檢測系統的軟體開發。In order to meet with the status and develop demand qf the oilfield electric power system, basing on the many series of transformer and the high performance demand to transformer in oilfield and the fact that measure instruments are incomplete now, by use computer control technology, a suit of oilfield electric power transformer performance and parameter integrated measure system is developed, which is for in - use, standby and choose type
論文結合電力系統現狀和發展需求,根據變壓器系列多、對變壓器性能要求高和目前檢測手段不完善的實際,藉助微機控制技術,從理論上研究變壓器在線試驗與故障診斷的技術方法,用以指導變壓器投運后能夠可靠、安全、經濟運行。Complete fuel cell condition monitoring and fault diagnosis soft and hardware system, adopting the fit fault diagnosis algorithm, through the verify of practice, basically satisfy prescriptive technique target, obtaining the favourable result
完成了燃料電池狀態監測與故障診斷系統硬體和軟體設計,採用了合適的故障診斷演算法,經過了實踐的檢驗,基本滿足了所規定的技術指標,取得了良好的效果。Intergrated anslysis and disposal of problems in mechanical, electronical hydraulical and instrumental fields ; designing and debugging of hydraulic systems ; development of function tests ; designing of metering and testing methods ; diagnosis and fixing of system breakdowns
機電液儀問題的綜合分析與處理液壓系統設計與調試;產品性能試驗開發;測量與測試方法的設計;系統故障診斷與排除。Based on predecessors " studies on steam turbine generator - set ' s state monitoring and fault diagnose, this paper focuses on the models and methods used to judge the multiple faults. these models and models, which are based on fuzzy sets theory, probability causal model, artificial neural network technology and genetic algorithms, are tested by some existing examples and some useful conclusions are drawn. all above will put the theory of multiple fault diagnosis of a large turbine generator set a further step
本文在總結和借鑒前人關于汽輪發電機組狀態監測和故障診斷的基礎上,重點研究基於模糊集理論、概率因果模型、人工神經網路技術以及遺傳演算法的多故障診斷理論和方法,並用已有的汽輪發電機組振動故障事例進行了驗證,得出了一些具有實用價值的結論,進一步豐富和推進了大型汽輪發電機組振動多故障診斷的理論,並提出了一些可靠的、實用的新方法。In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described
汽輪發電機、空氣壓縮機等採用油膜支撐的大型轉動機械,由於安裝或運行中的原因,在轉子旋轉過程中,可能和器壁發生輕微的摩擦和碰擊,簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計數、幅度、能量和持續時間等聲發射特性參數,而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場試驗都表明這種方法對碰摩檢測很敏感,在碰摩發生的起始階段,包絡譜中與轉速同步的周期性分量顯著增加.根據這種新的設計思想自行研製了buaa碰摩聲發射檢測儀並對此作了介紹分享友人