磁強傳感器 的英文怎麼說
中文拼音 [cíqiángzhuàngǎnqì]
磁強傳感器
英文
magnetometer sensor- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 強 : 強形容詞(強硬不屈;固執) stubborn; unyielding
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 感 : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
- 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
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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。The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done
自1989年在摻雜鈣鈦礦型錳氧化物ra _ ( 1 - x ) m _ xmno _ 3 (其中m為金屬離子, ra為三價稀土離子)中發現龐磁電阻( cmr )以來由於其在磁記錄、磁傳感器等方面潛在的應用前景,以及金屬?絕緣體相變等所涉及的強關聯效應,使該類化合物吸引了物理學界的廣泛注意。Because the field caused by the eddy - current transducer in the dissertation is not only axially symmetrical, but also plane symmetrical, there is no normal component of the electrical field strength and we cannot apply the condition en = 0 to solve such a problem
由於本文中的渦流傳感器模型,其電磁場不僅是軸對稱場,而且還是平面對稱場,不含有電場強度的法向分量,所以無法利用邊界條件e _ n = 0來求解。The effect of static magnetic field on the growth of eschrichia coli was discussed by the sensitive response of spqc sensor to the conductivity of solutioa a relative frequency shift response model was derived on the basis of theory analysis and the relative parameters were estimated
利用spqc傳感器對溶液電導率的靈敏響應,探討了了一定強度的靜磁場對大腸桿菌的生長狀況的影響。在理論分析的基礎上,導出了相關的頻移響應模型,估計了有關參數。The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply
交流勵磁發電機的基本結構與繞線式異步電機相同,其定子側接電網,轉子上採用三相對稱分佈的勵磁繞組,由變頻器提供對稱交流電勵磁,且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制,從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速,使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力,性能超越傳統同步發電機和感應發電機,因而有著廣闊的應用前景。3, the output linear resolution of the bridge is about to 0. 84 % and has a better property in comparison of some typical mr angular sensors. 4, the output sensitivity of the bridge is about 1. 0667mv / and better than ferrimag angular sensors
4 ,該自旋閥晶元組成的橋路輸出的靈敏度達到了1 . 0667mv ,相對于強磁性薄膜為敏感元件的角度傳感器有了很大的提高。The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics
採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管道軸截面漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法;分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。This system based on optical effects is greatly superior to the traditional electromagnetic pt, ct in the following aspects : electric insulation of the low voltage side from the high voltage side through optic fiber, no electrical connection and electromagnetic interference in signal transmission, avoidance of magnetic saturation, small in volume and light in weight. it has a prospective future in the electric power system
基於光學原理的光纖電流、電壓傳感器較傳統的電磁式pt 、 ct具有明顯的優勢:高、低壓側通過光纖隔離使得信號傳輸既無電氣連接又無電磁干擾,絕緣能力強且無磁飽和問題,體積小重量輕,在電力系統有較好的應用前景。Compared with traditional sensors, the saw sensors can be used for wireless passive sensing with no need for a separate power supply, which makes it possible to measure parameters of fast moving or rotating objects. in addition, wireless passive sensing in extreme environment likes strong electromagnetic interference and low temperature becomes obtainable
與傳統傳感器相比,其最大優勢在於它能實現無源無線遙測,這使得它能運用在諸如快速移動物體、旋轉體等無接觸測量中,並且在強電磁干擾、低溫等極端工作條件下也能正常工作。Feasibility of this method is verified by simulation. the vsc by use of the sensorless magnetic bearing is investigated for the first time. the state space model of sensorless amb milling spindle is formulated and a discrete time vsc strategy is presented to stabilize the spindle system
模擬結果表明,採用變結構控制的無傳感器磁懸浮主軸系統對于外擾動及系統模型攝動的魯棒性、以及在變切厚情況下的控制效果均明顯強于pid控制器。Soco magnet is widely used in motors, watch, transducers, instruments, positional detector, generators, radar communications, medical equipments, various magnetism spreading devices, magnetic processor, electrical engineering and magnetic derrick
具有很強的抗腐蝕和抗氧化性;所以被廣泛應用在航空航天、國防軍工、微波器件、通訊、醫療設備、儀器、儀表,各種磁性傳動裝置,傳感器,磁處理器,電機,磁力起重機等。It neednt to be coated because it is difficult to be eroded and oxidized. soco magnet is widely used in motors, watch, transducers, instruments, positional detector, generators, radar communications, medical equipments, various magnetism spreading devices, magnetic processor, electrical engineering and magnetic derrick
具有很強的抗腐蝕和抗氧化性所以被廣泛應用在航空航天國防軍工微波器件通訊醫療設備儀器儀表,各種磁性傳動裝置,傳感器,磁處理器,電機,磁力起重機等。The sensor array that based on the optical measurement has the advantages of high sensitive, small size, low power and immunity to electro - magnetic interference
這種基於光學強度調制測量法的傳感器陣列具有精度高、抗電磁干擾、尺寸小、耗能低等優點。Strong magnetic film revolution speed transducer
強磁性薄膜式轉速傳感器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。Meanwhile, this article brings forward a control method on account of magnetic field and designs a high - precision control circuit based on dsp. also, this system detects magnetic field with hall ' s sensor and controls the closed loop system, then controls the output displacement. moreover, this article designs
同時,本系統採用基於磁感應強度的閉環控制系統,設計了基於dsp微處理器的高精度控制電路,採用霍爾傳感器對磁感應強度進行監測,進行閉環控制,以通過對磁感應強度的監測來實現對輸出位移的控制,此外,本文還設計了溫度檢測和反饋控制系統,保證了超磁致伸縮棒工作在恆溫環境,減小了附加熱變形對工作精度的影響。Now, the reported fgs can measure many physical parameters including temperature, strain, stress, displacement, pressure, torsional angle, twist moment ( moment of torque ), accelerated velocity, current, voltage, magnetic field, frequency, density, coefficient of thermal expansion, trembling etc. some of the fiber grating sensing systems have been put into practical use
目前,已報道的光纖光柵傳感器可以檢測的物理量有:溫度、應變、壓力、位移、壓強、扭角、扭矩(扭應力) 、加速度、電流、電壓、磁場、頻率、濃度、熱膨脹系數、振動等,其中一部分光纖光柵傳感系統已經實際應用。分享友人