電感測定計 的英文怎麼說
中文拼音 [diàngǎncèdìngjì]
電感測定計
英文
inductanc mete- 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...
- 感 : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
- 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...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
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In this thesis, the oxygen sensitive materials and glucose sensitive materials had been developed by thermo - polymerization method including carrier covalence method and carrier covalence - cross linking method, and the properties had been investigated using the detection experiment of oxygen and spectrophotometer, at the mean time, the applications of oxygen sensitive materials in fiber optical gaseous oxygen sensor and fiber optical dis solved oxygen sensor, and that of biology sensitive materials in fiber optical dextrose sensor had been studied in this paper. major content of this work includes five aspects as follows : ( 1 ). oxygen sensitive materials had been prepared by carrier covalence method, and the preparation mechanism of the materials had been investigated by fi - ir, sem, and the detection experiment of oxygen
本論文主要包括以下五個方面的內容: ( 1 )載體共價法制備氧敏感材料:通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理,通過氧測試實驗評價該氧敏感材料的氧敏感性和穩定性,同時研究了各種因素對該氧敏感材料性能的影響( 2 )載體共價?交聯法制備氧敏感材料:通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理,通過氧測試實驗和分光光度計評價該氧敏感材料的氧敏感性和穩定性,同時研究了各種因素對該氧敏感材料性能的影響( 3 )氧敏感材料在光纖氣態氧傳感器中的應用:該傳感器的響應時間為10s ,檢測下限為5ppm ,檢測精度為0 . 5 ,具有較好的重復性和穩定性,遲滯較小,使用壽命至少為1年,適合各種環境下氣態氧濃度的檢測。In this thesis, a kind of reversible immobilization method based on the plasma - polymerized film ( ppf ) used for effective immobilization of active bio - molecules and easy reproduction of sensors is developed. the surface of quartz crystal microbalance ( qcm ) is firstly prepared with plasma - polymerized film of butyl amine by glow - charge technique and then covered with a negative - charged polyelectrolyte by self - assembling. through strong electrostatic attraction, antibodies ( antigens ) positive - charged are immobilized for the determination of antigens ( antibodies )
本論文基於等離子體聚合膜,設計了一種既能固定生物活性物質又易於傳感器再生的可逆固定化方法,即採用輝光放電的等離子體沉積技術,先在石英晶體上沉積一層正丁胺等離子體聚合膜,再在膜上自組裝一層帶負電的聚電解質,用以靜電吸附固定抗體(抗原)測定抗原(抗體) 。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。Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現:激勵源電路部分,由分頻電路和頻率合成電路組成,產生頻率穩定的激勵信號以確保檢測任務的正常進行;傳感器變換電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成,主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號,易於后續電路處理;由dsp晶元構成的微處理系統,主要完成檢測系統的數據擬合、顯示及與主機通信等功能。In the experimental system apd transferred laser pulse to weak electrical current. after two - level amplification we got a voltage pulse that had a enough amplitude to be applied, the timing point was discriminated by the constant - fraction timing discriminator circuit. timing circuits transferred the pulse flight time to digital signal accurately
實驗系統採用apd作為光電傳感器,將激光脈沖信號轉變為微弱電流脈沖,經過兩級放大后,信號變為幅度較大的電壓脈沖,經過時點鑒別電路分別確定計時起點和終點后,由計時電路來精確測量兩個時間點之間的時間間隔。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found
本文對現有氣隙式電感傳感器在原理和機械結構上作了深入的分析,對其參數進行了靜態標定;並且針對常規電感傳感器動態響應低,不宜用於快速動態測量的缺點,引入測試系統動力學的思想,設計了一套動態校準系統,對現有傳感器進行多次動態校準,根據動態校準的實驗結果對現有傳感器建立數學模型,得到現有傳感器的動態特性;在此基礎上,根據磨床工件在線檢測的要求,設計一個硬體補償系統來提高整個測試系統的動態特性。Using flyer velocity gained from energy characterizing method, definite parameters of flyer and explosive, deterministic parameters of initiation system critical initiation energy to flyer of explosive can be theoretically calculated. associating with critical initiation voltage of explosive experiment measuring comparisons and evaluations can be conducted for flyer sensitivity of explosive
利用能量損失法求出的飛片速度以及已知的飛片參數、炸藥參數、起爆系統中的既定參數,可以對炸藥的飛片臨界起爆能量進行理論上的計算,結合實驗測量的炸藥臨界起爆電壓值,可以對炸藥的飛片感度進行比較和評價。A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g
加速度計的解析度、靈敏度閾值和高的熱穩定性是設計時主要考慮的參數。本論文中使用推?挽式長撓性結構來保證低靈敏度閾值,同時保證抗振魯棒性。為了提高熱穩定性,本文中討論了利用永久磁鐵作為磁場源;微加工技術被引入擺組件的結構設計和利用力矩線圈作為激勵線圈來簡化電感式的檢測裝置。The observer makes use of motor parameters to estimate speed, but these parameters ( stator and rotor resistance, magnetizing inductance ) will vary because of the change of environmental temperature, iron loss and main flux saturation. so parameter variation will lead to the error of estimation, the purpose of this paper is to study the influence and the compensation of parameter variation
因為觀測器在估計轉速時利用的是電機的額定參數,而電機的參數(定子電阻、轉子電阻、勵磁電感)由於環境溫度的變化、鐵心損耗和主磁飽和的影響將發生變化,所以必然有估計誤差產生。The influence of induction - motor ration on the problem of transient stability is discussed. the case of henan provincial power system using actual load parameters is studied. comparative results show that the influence of dynamic load characteristics on the stability of power system is important and profound
模擬計算了在暫態穩定問題中,負荷感應電動機比例對極限切除時間的影響,採用實測的三階感應電動機負荷模型來進行河南全網的穩定計算,並與以往使用的近似的負荷模型計算結果進行比較。Automatic water - measuring meter is the combinative production of traditional method and present cmos integration circuit technology. it consists of water - level sensor and mainframe circuit. on the basis of analyzing its application, this paper gives the design of mainframe circuit, including time circuit, time - sequence circuit, input - interface circuit, switch circuit and power circuit
本文在分析cmos集成電路應用的基礎上,給出了自動量水儀表主機電路的設計,包括定時電路、時序電路、輸入介面電路、開關電路和電源電路的設計;其次,對水位傳感器進行了研究,分析了水位傳感器的工作原理、測量使用條件、動態特性、靜態特性以及水位傳感器的率定、標定方法。This system is designed to measure motor ’ s three important parameters including stator coil inductance, stalling torque and back emf. all of these test results are used as basis for product detect
設計這套測試系統用來檢測電機定子繞組電感、堵轉扭矩及反電動勢等三個重要電機參數,把其結果作為檢驗產品質量的依據。There is very important application in the drying process of the materiel and in the monitor & measurement of the milieu. the theory of this kind of sensor is introduced
介紹了這種傳感器的工作原理,討論了基於8031單片機的微量水分在線測定儀的結構,設計了傳感器信號調理電路及8031單片機系統,給出了軟體流程圖。By integeral design of the senser and the circuits, the products has advantages of minisize, light weight, wide responding range, high sensitivity, etc. the results of performance test and environment examination indicate that, the design is reasonable, the arts rational, all performances arrive or exceed the demands of the contract. the product has passed the appraise rate of minister, arrived the international leading level
該傳感器具有微型化、重量輕、頻響寬、靈敏度高、傳感器與調理電路一體化的特點。經性能測試和環境試驗表明:該傳感器設計合理、工藝可行,各項性能指標均達到或超過合同規定的要求,通過部級鑒定,達到國際先進水平。According to the reality of engineering, the article makes a deep study of the electricity - magnetism detection of the loss of metallic cross - sectional area of wire rope, brings forward a designing method of lma detecting sensor based on the theory of magnetic bridge, develops out a data collecting and dealing system that is assorted to it, and accomplishes all the designing and confecting work of the hardware and software of the system
金屬截面積損失是一種較常見且非常重要的鋼絲繩缺陷,本論文結合工程實際,對鋼絲繩金屬截面積損失信號的電磁法定量檢測作了深入的研究。提出了一種基於磁橋路原理的鋼絲繩金屬截面積檢測傳感器的設計方法,研製出與之相配套的數據採集與處理的cpu系統,完成了系統各部分軟硬體的開發與調試工作。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。In the design of optical system, to improve system precision, the fiber optic coupler is added to make a laser pulse circle ; in the unit of photo detection, we make a high - precision temperature compensation apd bias circuit, which allows system to abate the noise caused by temperature changer and dark current
應變測量系統主要由光源、傳感光纖、光電探測器和信號處理電路組成。在光學系統設計中為提高系統的精度採用了光纖定向耦合器實現光脈沖的循環;在光電轉換單元上採用高精度溫度補償的apd偏置電路,減小了溫度和暗電流帶來的噪聲干擾。Chapter 2 in the design of sensors and switches based on photoinduced electron transfer, fluorescence was often used with high sensitivity and convenience. it is noteworthy that room temperature phosphorescence ( rtf ) has many advantages over fluorescence, e. g., large stokes shift, higher signal to noise ratio, good selectivity and easily measurable luminescence lifetimes etc., and it can be found as a helpful complementary method of fluorescence sensing
第二章在光誘導電子轉移傳感器和分子開關的設計中,熒光由於其靈敏度高、使用方便,受到人們的廣泛關注,相對于熒光室溫磷光選擇性好、信噪比高、較大的stokes位移、壽命易測定等優點,在許多方面與熒光互補。Sensors are used to detect the content of water and the temperature of grains, to measure the velocity of influx and to position the grains in the drying machines respectively. thermal sensors are thermocouples to monitor the temperature of heated air current and thermo resistances to measure the temperature of grains on different surfaces ; water sensors include neutron probes and condensates to measure the content of water of grains before and after drying respectively ; the velocity of flow of grains is measured by the indicators of flow
溫度傳感器主要採用熱電偶和熱電阻,分別探測熱風溫度和乾燥機各個層面上的糧食溫度;水分傳感器主要採用中子式在線水分測量儀和電容式在線水分測量儀,中子式在線水分測量儀由於不受穀物解凍的影響,用來測量烘前穀物的水分,電容式在線水分測量儀用來測定烘后的糧食水分;在線流量計採用沖板式流量計,用來記錄排糧流量,統計產量。分享友人