相敏 的英文怎麼說

中文拼音 [xiāngmǐn]
相敏 英文
phase sensitivity
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 敏 : Ⅰ形容詞（靈敏;敏捷） quick; agile; smart; nimble Ⅱ名詞（姓氏） a surname
  1. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    （ 2 ）根據不同的前提條件，採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數；深入地研究了寬帶匹配場處理中的相干與非相干問題；在分析參數反演的敏感性之後，提出了淺海環境參數寬帶匹配場反演的多步優化策略，並與全參數反演方法進行了性能上的模擬比較。
  2. Science considers to make clear, the baby is to comparative to outside information of acumen, acceptance rate is quite rapid also

    科學研究表明，嬰兒對外界信息是相當敏銳的，接受的速度也相當快。
  3. We found that tio2 thin films are a amorphism when they are not annealed ; they are anatase when annealed at 300 c ; rutile occured be anneled at 700 ; ti02 thin films are transformed into rutile completely when be anneled at 1100. oxygen - sensing properties of tio2 thin films were analysised, and we found the variation law of sensitivity with the partial pressure of o2 and temperatures. sensitivity increases with po2 / ( po2 + pn2 ) at a constant temperature. the higher working temperature is, the slower sensitivity increasing with po2 / ( po2 + pn2 ) is

    對tio _ 2薄膜氧敏器件特性進行了分析，發現靈敏度隨工作溫度和氧分壓變化的規律， 400以上時，在一定工作溫度下，隨氧分壓的增加，靈敏度逐漸升高；工作溫度越高，隨p _ （ o _ 2 ） （ p _ （ o _ 2 ） + p _ （ n _ 2 ） ）的增加，靈敏度增加越緩慢，在400下靈敏度隨氧分壓增加最快；在我們所測試的工作溫度點中， 400時具有最高的靈敏度，相對於他人的工作此溫度是比較低的。
  4. Antigen interacts with the surface of sensitized mast cells.

    抗原與致敏的肥大細胞表面互相作用。
  5. By taking the miniature ceramic rod which is easily to machine high accuracy as sensitive structure, and by printing and polarizing six belt - shaped electrodes above it to constitute three pairs of electrodes, this paper designed package and the phase - sensitive detection circuit in the system so that it effectively reduced the sensitive structure size and improved its processing precision to realize the angular rate gyro microminiaturization

    首先採用易於加工成高精度的微型陶瓷棒作為敏感體，在其上印刷成六個帶狀電極並予以極化構成三副電極對，然後設計了封裝及相敏檢波電路，從而有效地減小了敏感結構的尺寸，提高了其加工精度，實現了角速率陀螺微型化。
  6. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  7. In the thesis, a signal processing scheme of polarization - insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation

    本文主要介紹了偏振無關光纖michelson干涉型微弱磁場傳感器信號處理的方案:通過閉環控制工作點演算法使干涉儀工作在正交工作點處，再利用相敏檢波演算法提取傳感器輸出信號的基頻分量，以測量直流磁場的大小。
  8. This paper developed a micro angular rate gyro based on micro piezoelectric ceramic rod structure instead of the sensitive double - deck structure as well as piezoelectric ceramic strain foils, and designed a phase - sensitive detection circuit

    摘要研製了基於微型壓電陶瓷棒結構代替雙敏感梁結構及壓電陶瓷片的微型角速率陀螺，並設計了相敏檢波電路。
  9. The effect of phase - shift between pumping and signal light on the transmission performance of dynamic - soliton system using phase sensitive amplifier ( psa ) as on - line amplifiers is theoretically analyzed by computer simulation

    摘要採用計算機系統模擬方法，研究抽運光與信號光之間的相位漂移對在線放大器為相敏光放大器的動態孤子傳輸性能的影響。
  10. All resonance assignments of 5h nmr were made with the two - dimensional correlation spectroscopy

    所有相敏二維實驗均用時間正比的相增量方法（ tppi ） 。
  11. 25hz phase detecting track circuit microelectronic receiver

    25hz相敏軌道電路微電子接收器
  12. Research of digital phase signal detecting in remote field eddy current detecting

    遠場渦流檢測中的數字相敏檢波器的研究
  13. Phase sensitive detector

    相敏檢波器
  14. Phase sensitive detection

    相敏檢波
  15. The design and application of the measuring circuit of inductance sensor base on the soft digital phase sensitivity detection

    基於軟相敏檢波演算法的電感傳感器測量電路的設計
  16. Non - magnetic metallic coatings on metallic and non - metallic basis materials - measurement of coating thickness - phase - sensitive eddy - current method

    金屬和非金屬基材的非磁性金屬覆層.覆層厚度測量.相敏渦流法
  17. The paper introduced a kind of high performance protection strategy about electric motor starting - phase - sensitive protection and the realized process according to spce061a chip

    文章介紹了一種高性能的電動機啟動保護策略相敏保護，及其基於凌陽spce061a單片機晶元的實現過程。
  18. Secondly, the noise of the system is analyzed. to improving the signal - to - noise of the system, design the phase sensitive demodulation system which contains three parts : signal channel, reference channel and correlation demodulator

    其次，分析了系統各部分的噪聲，以提高系統信噪比為原則，設計了由信號通道、參考通道、相關解調器三部分組成的相敏檢波系統。
  19. The purpose of this paper is to resolve some key technologies of the amplitude - modulation inductive displacement transducer signal processing circuit with nanometer resolution, such as the design of high stability signal generating circuit ; the technology of high precision digital phase - sensitive detection circuit ; the technology of digital filter and linearization, etc

    本文主要研究調幅式電感位移傳感器精密測量系統中涉及的高精度載波信號發生技術、高精度數字相敏檢波技術、數字濾波及線性擬和等關鍵技術，目的是進一步改善調幅式電感位移傳感器精密測量系統的測量精度，適應納米級測量的要求。
  20. The article relates that the tool ' s measurement precision has been improved by applying cycling acquisition method, self calibration function and phase - sensitive detector. the image coverage rate is improved and reached to 60 percent by increasing the number of pad ' s buttons. the tool carried out two logging functions : fast - scanner mode and dip mode

    本文敘述了採用循環採集法、自刻度功能、相敏檢波等方法提高了儀器的測量精度；通過增加極板電扣的數量將圖像覆蓋率提高到60 ；實現了快掃描、傾角兩種測井模式；將測斜短節與預處理短節合二為一，縮短了儀器長度；去除了零伺服控制系統，簡化了電路；用fpga晶元對採集控制器重新設計。
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