磁探頭 的英文怎麼說
中文拼音 [cítàntóu]
磁探頭
英文
magnetic field sensor-
In this system, the oil pipe be locally magnetized through the longitudial and circumferential direction, the oil pipe be circumvolved by the electromotor, the detector will has a linear movement on the surface of the pipe, so it can realize the combined testing of horizontal flaw ( cankerous pits and cankerous holes etc. ) and vertical flaw ( pole flaw and crack etc )
該系統在油管局部實施軸向和周向磁化,油管由電機主軸帶動旋轉,檢測探頭緊貼油管直線運動,從而實現對腐蝕坑、腐蝕孔等橫向缺陷和桿狀損傷、劈縫等縱向缺陷的綜合檢測。As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )
光纖光柵傳感器除了具有重量輕、耐腐蝕、抗電磁干擾、靈敏度高、結構緊湊等優點外,還有其獨特的優越性,如探頭尺寸小,其直徑與光纖等同;易於與光纖耦合,耦合損耗小;波長調制型,抗干擾能力強;集傳感與傳輸於一體且具有極強的復用能力,易於構成傳感網路;測量對象廣泛,易於實現多參數傳感測量等等。This article briefly introduce recent advance in nmr technology and application including high field magnets, shielding techniques, probe heads, analytical applications and methods in biomolecular nmr
本文將簡單介紹近幾年高磁場核磁共振的發展、磁場遮蔽技術的改進、探頭設計的突破以及在分析方法與生物巨分子方面的新應用。Professor has constructed a measuring sonde, based on magnetostriction.
教授根據磁致伸縮研製了一種測量探頭。However, recent years the study of electric eddy - current detection mostly overweights the study of measuring system, and the design of the eddy - current. methods are still equivalent magnetic circuit and equivalent electric circuit model calculation and experiment ' s experience design method
然而,近幾年電渦流測量方法的研究多偏重於測量系統的研究,而對渦流檢測探頭的設計至今仍採用等效磁路、等效電路模型計算同實驗相結合的經驗設計方法。Purpose : to demonstrate the value of multi detector computed tomography ( mdct ) and magnetic resonance imaging ( mri ) in the preoperative work up of temporal bone tumors and to present, especially, ct and mr image fusion for surgical planning and performance in computer assisted navigated neurosurgery of temporal bone tumors
目的論證多探頭計算機斷層掃描( mdct )和核磁共振成像( mri )在顳骨腫瘤手術前設計的價值,尤其是顳骨腫瘤計算機輔助導航神經外科手術路徑的設計。When used in conjuction with a spectrum analyzer or a measuring receiver, the probes can be used to locate and qualify emi sources, as well as evaluate emc problems at the
電纜饋送,當探頭與頻譜儀或測量接收機連用時,探頭可用於探測電磁干擾源,以及評估電路板和樣機試驗階段的電磁相容問題。Probe, and one high impedance probe - are all matched to the 50 inputs of
一個是磁場探頭,一個是電場探頭,還有一個是高阻抗探頭。A new magnetic leakage flux testing technique with a stationary probe and spiral transporting tubes was presented and its differences with traditional ones were analysed
摘要介紹了一種新開發的「探頭固定鋼管螺旋前進」的鋼管漏磁探傷技術,分析了它與傳統漏磁探傷方式的差異和優劣。One kind of electromagnetic radiation leakage of computers is conducted emission, with radiation through power wires and signal lines ; the other kind thereof is due to that : magnetic fields produced by signal current of computer processors and displays in equipment may leak through the cable sleeves and be picked up by the current probes clamped on lines, and the signals received may be sent to the specially - made receiver for processing and restoration
計算機電磁波輻射泄漏一類傳導發射,通過電源線和信號線輻射;另一類是由於設備中的計算機處理機、顯示器信號電流產生的磁場可能透過外套泄漏出來,被卡在線上的電流探頭檢拾到。We also derive the expression of the signal obtained from random position by the magnetic field sensor. then we construct five - dimension nonlinear equation group for the signal obtained by the magnetic field sensor and solve them, so that we can realize 3d localizing and navigation for endoscope probe
我們根據電磁場理論推導出位於正四面體六條棱上的差分磁偶極子在空間任意點的場強表達式及探頭感應磁場信號的原理,然後建立起五元非線性方程組進行定位求解。Is characterized by colour digital display with 4 probes, ultrasonic induction, accuratedetection and entering back action, automatic start of anto - collision indication system, digtal display with location, perspective of barriers position and easy installation, which improves substantially the car s practicability, that is it is not disturbed in rain ang nighe, performing its advantages for it s against the disturbance of the strong electromagnetic waves. it is applied to the temperature in the range of - 40 85. it is also characterized by the three - grade dulcet for foretelling, colour digital indication, anti - vibration protection device, durable damp - proof treatment, inserting installation, original configuration, beautiful appearance and firmness. it also adopts anti mal alarm technology. it is specially produced, and its quality is ensured
數碼四探頭彩色顯示超聲波感應,偵測準確進入倒檔,自動開啟防撞提示系統數碼加方位顯示,效果能透視障礙物位置安裝容易,大大提高原車實用性能不受雨天黑夜等影響,盡顯優勢抗強電磁波干擾適應溫度寬40 85三級悅耳預The results of calculation prove : the new structured coaxial probe is superior to the traditional coaxial probe in both sensitivity and penetrating depth when used to measure the dielectric properties of chemical reactants or layered biological tissues, and the relationship between the measurement sensitivity of this new structured probe and the frequency of electromagnetic wave are obtained, which provides the optimal frequency for the actual application
計算結果表明:在化學反應溶液及生物分層組織介電特性參數的測量中,這種新型的同軸探頭在測量靈敏度及透入深度兩方面都優于傳統的平口同軸探頭。通過計算模擬還得出了這種新型同軸線探頭的測量靈敏度與電磁波頻率的關系,為進一步研究其最佳測試頻率提供了有價值的參考依據。In order to compensate the frequency characteristic of the probe, a digital frequency balancing method is proposed, and the digital balancing network is designed
針對磁場探頭變換特性的頻變問題,提出了利用數字技術對傳感系統的標度因子進行頻率均衡的方法。Which include magnetic - field probe, wide - band amplifier, transmission cable and its compensator
該系統包括磁場測量探頭、寬帶信號放大器、信號傳輸電纜和補償器等。Secondly, methods of improving on probe are investigated in detail : using the electromagnetic shielding effect to decay the direct - coupled magnetic field and using the dual probe to control the energy flow, so as to make the probe to be shorter ; designing 3 - d pick - up coil array to increase detection sensitivity. at last, experiment system is set up to verify the simulation result and the comparing result shows simulation result agrees with experiment result
其次,對改進傳感器性能的幾種方法進行了詳細研究:利用電磁屏蔽效應以衰減在直接路徑上的磁場傳播、採用復式探頭激勵方式以實現能流控制,從而減小傳感器體積,模擬證實這兩種改進方案有效;設計三維周向檢測線圈陣列以提高缺陷檢測靈敏度,模擬結果證實三維探頭的周向靈敏性。Isotropic field probe
迷向磁場探頭Numeric analysis of inductive resistance probe and application in atmospheric corrosion
磁阻探頭系統腐蝕速率解析及在大氣腐蝕中的應用These methods have many problems to the design and numerical number analogy of electric wire. electric potential and electric eddy - current detector, such as the wire size, the wire core type ( solid core or twisted line ), the wire core conductivity, the magnetic permittivity and the optimize match of the detector ' s form, are n ' t made an incisive analysis
這種方法對電線電位電渦流透視探頭的設計和數值模擬中的很多問題,如線徑大小,線芯類型(實芯、絞線) ,線芯電導率,磁導率與探頭形狀的優化匹配等問題,還不能透徹分析。Some methods for overcoming these disadvantages are investigated as follows : first, using shield and magnetic circuit to shorten the sensor length and enhance the signal magnitude ; second, improving the data acquisition system to intensify the capability of fine defect detection ; at last, adopting digital signal processing technology such as homomorphic filter, wavelet transform and error correction to ensure detecting reliability
本文結合有限元模擬和實驗方法,研究了改進遠場渦流技術性能的幾種方法,即:採用電磁屏蔽、磁路進行傳感器優化設計以縮短探頭長度、增大信號強度;改進信號調理電路以提高細微缺陷檢出能力;利用同態濾波、小波變換以及誤差修正等數字信號處理技術確保檢測結果的可靠性。分享友人