頻帶傳感器 的英文怎麼說

中文拼音 [bīndàizhuàngǎnqì]
頻帶傳感器 英文
spectral band sensor
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 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
  1. The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.

    聲發射源與接收訊號傳感器間的距離以及環境噪聲的電平是選擇頻帶的主要依據。
  2. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻，通過低通濾波取其差頻，並經整形後由數字信號處理電路處理。
  3. Total radiation instruments employ some broad spectral band sensors.

    全輻射儀器要使用某些寬頻帶傳感器。
  4. The transducer made by this research not only has the feature of measuring high precision and good currency, but also the mini volume and light weight, convenience to take, it is suitable for the scale and analysis of ulf absolute vibratory signal in production

    根據這種方案研製的傳感器系統不僅測量精度高、通用性好，而且體積小重量輕，攜帶方便，適合在生產現場對超低頻絕對振動信號進行測量與分析。
  5. A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector

    通過與大華無線電廠合作，研製了超高頻傳感器，其主要由天線、超高頻放大器、高通濾波器、寬帶檢波器等組成。
  6. Basing on other researchers ’ work, this paper has put forward a novel type of icc ( induced current cancellation ) shielding layer for rfic / mmic performance improvement, to reduce high frequency loss, increase q value, and expand its application frequency range. and present how to realize rfic / mmic components such as i / o pad, inductors, baluns and so on by applying icc shielding layer structures. furthermore co - design methods of ic component structure and foundry process structure designs has been presented in this thesis

    在無線通信技術對cmos射頻/微波集成電路需求的大背景下，本論文提出了用於高頻集成電路（ rfic / mmic ）器件的各類新型icc （ inducedcurrentcancellation ，感應電流相消）屏蔽工藝結構，由此設計製造的ic部件解決了傳統半導體工藝無法實現射頻/微波集成電路的難題，以達到降低高頻集成電路器件的高頻損耗，提高器件q值以及擴寬器件應用頻帶的目的。
  7. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  8. Combined with researches on propagation characteristics, the micro - current sensor for on - line pd monitoring is developed and the effects of coil number, stray capacitance and loading resistance on pass - band and sensitivity are also studied

    同時，結合傳播特性，研究了局部放電在線監測寬帶微電流傳感器，並就線圈匝數、雜散電容和負載電阻等對傳感器通頻帶、靈敏度等性能參數的影響進行了分析。
  9. Based on the requirement of electrica l power plants, we designed a new type of sensors for stator winding partial discharge measurement online. the sensors are of good insulation, high sensitivity, easy installation on site, and good safety, suitable for on - site application

    根據現場的要求，本文研製出一種非接觸式空氣電容傳感器，它具有頻帶寬、絕緣性能好、靈敏度高的特點，可以在高壓端測量高頻放電脈沖，可以代替各種接觸式傳感器在發電機高壓母線端進行在線局部放電監測。
  10. For the former has inductance winding and ferromagnetic material, its measurement range is restricted by saturation, so it has a narrower range of frequency. being an inductance, it has the possibility of resonance

    由於電磁式電壓互感器帶有電感線圈和磁性材料，測量范圍受鐵心磁飽和的限制，傳輸頻帶不夠寬；作為感性元件，存在鐵磁諧振的可能，可靠性差。
  11. The arising mechanism and character of leakage current are analyzed. based on these analyses, a high precise and wide bandwidth sensor is developed

    分析了泄漏電流的產生機理和特點，並在此基礎上研製了一種精度高、頻帶寬的泄漏電流傳感器。
  12. These methods are analyzed and disadvantages of them are pointed out. the nature and character of leakage current are analyzed. a high precised and broad bandwidth sensor is developed

    本文分析了泄漏電流的產生機理和特點，並在此基礎上研製了一種精度高、頻帶寬的泄漏電流傳感器。
  13. High g micromachined piezoresistive accelerometers usually need wider bandwidth than the low range piezoresistive accelerometers, for example, the highest load acceleration of these sensors can arrive at the 100, 000g, the sensitivity is 0. 2 0. 4 v / gv, and the installation frequency can reach the magnitude of mhz

    高量程加速度傳感器往往需要很寬的頻帶，例如高量程加速度傳感器量程可以達到100 ， 000g ，靈敏度0 . 2 0 . 4 v / gv ，安裝固有頻率可以達到mhz量級。
  14. The programable unit of inspac is used first to work out the frequency compensating circuit adapted itself, the frequency band is extended. the application range of the manual sensor is extended

    首次使用isppac可編程器件製作自適應頻率補償電路，展寬了頻帶，拓寬了手持式傳感器的應用范圍。
  15. First and second band - gap filters amplify small signals and shift direct current voltage, which filter interference and noise by frequency. then, comparator restrains noise and interference through 700mv voltage window

    兩級帶通濾波放大器對熱釋電紅外傳感器採集人體的微弱小信號進行交流放大和直流電平的轉換，並根據頻率對噪聲和干擾進行過濾。
  16. Design principles and rules of y type and s type sensors including input and output idts multistrip coupler and mass loading area are introduced in detail. their operating frequency, bandwidth and insertion loss are 122mhz

    所研究的y型和s型雙聲路saw質量傳感器件的工作頻率為122mhz ，帶寬為2 . 75mhz ，插入損耗約為14db 。
  17. The signals of multi - channel sensor at measuring spot were processed and translated by signal encoding technology to fuse into a baseband signal and then the signal was transmitted directly or in frequency - hand mode

    該方法利用信號編碼技術對測控現場的多路傳感器信號進行處理和變換，使其融合為一路基帶信號后，或直接以基帶傳輸或以頻帶傳輸。
  18. Speed sensor has the limitation of high cost, taking up more space, low reliability and high dependency of working condition. speed - - sensorless frequency modulation system avoids those defects and can meet the need of high performance of ac motor driving which is a stress field

    無速度傳感器變頻調速系統既避免了速度傳感器帶來的成本增加、體積增大、可靠性降低、易受工作環境影響等缺陷，又能夠滿足高性能交流傳動的需要，是運動控制發展的一個重要方向。
  19. In the vwf system of induction motor, it is indispensable to need a speed - sensor in order to realize speed close - loop control. some matters that are brought by speed - sensor fixed and the system running condition usually become the system ' s a breakdown root and low the system ' s dependable, which is in contravention of people ' s original intention to use induction motor

    在感應電動機變頻調速系統中，為了實現轉速的閉環控制，速度傳感器是必不可少的，速度傳感器的安裝及其運行環境所帶來的問題，往往成為系統的一種故障源，進而降低了系統的可靠性，這有悖於人們採用感應電動機的初衷。
  20. In this paper, the control system of rectifying strip steel deviation based on ppf control algorithm is designed, and a way of detecting the deviation signal of strip steel is introduced, which adopted redundancy control that involves capacitance sensor and highfrequency photoelectricity sensor, and improved reliability of the system. the system includes : siemens s7 200 programmabled logic controller, em235 analog signal module expanded, td200 for manipulating and displaying

    本文設計了基於ppf控制演算法的帶鋼糾偏控制系統，並提出採用電容傳感器與高頻光電傳感器冗餘檢測帶鋼偏移信號的方法，增加了系統的可靠性。系統採用siemenss7 - 200plc控制，擴展了em235模擬模塊， td200用於操作及顯示。
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