相敏檢波 的英文怎麼說

中文拼音 [xiāngmǐnjiǎnbō]
相敏檢波 英文
phase sensitive detection
  • 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
  • 檢 : Ⅰ動詞1 （查） check up; inspect; examine 2 （約束; 檢點） restrain oneself; be careful in one s c...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  1. 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。
  2. 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。
  3. 4. in data acquisition system, the application of phase - locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. carrier signal and modulation signal achieve entirely synchronous too

    數據採集系統採用鎖相技術、同步檢波的原理，降低了整個系統的成本，提高了靈敏度，並使得載波信號與調制信號完全達到同步。
  4. The fourth chapter " reseach on fractai structure of stock price " anaiyzed the fractai structure of stock price, deduced the investment function, caiculated the hurst exponent, 3 correlation dimension, and max lyaponov exponent, analyzed the self - similarity, long range dependence, circulation period of stock price and sensitivity of stock price to the initial value, suggested took the exponent characterize fractal instead of variance as instrument to measure risk

    第四章分析並檢驗了股票市場的分形混沌特徵，推導了投資函數，計算了表徵股票市場分形特徵的hurst指數，關聯維和最大lyapunov指數，分析了股票價格的自相似性、長期記憶和循環周期，分析了股票價格的波動對初始條件的敏感性，提出中國股票市場具有混沌分形的特性，用傳統的方差法度量股票風險是無效的，必須使用混沌分析能夠理論來刻畫股票收益的風險，建立收益模型。
  5. 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。
  6. 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
  7. Phase sensitive detector

    相敏檢波器
  8. Phase sensitive detection

    相敏檢波
  9. 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
  10. 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。
  11. 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。
  12. 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。
  13. The conventional methods of edge detection have good effect on clear image, but are sensitive to noise. though mallat used multiresolution wavelet to detect edge of noisy images, it was not effective for much noisy image

    傳統的檢測方法對清晰圖像的邊緣檢測效果很好，但對噪聲相對敏感，盡管mallat用多尺度小波變換來壓制噪聲，可是對于有大量噪聲的圖像，邊緣檢測效果並不好。
  14. Compared with d - shaped fiber, the d - shaped fiber bragg grating index sensor is more precise and reliable because the sensed information is encoded into wavelength, which is an absolute parameter, the output does not depend on the light levels, loss in the connecting fibers and couplers, or source power

    光纖布喇格光柵傳感器以波長偏移和功率變化同時作為傳感度量，由於波長檢測對光功率漲落不敏感，相對于只以功率變化作為傳感度量的傳感器件，具有更高的傳感精度和準確性。
  15. All the schemes mostly include gathering and disposing signal by computer technology, realizing the automatization of experimental inspecting system, checking signal by concerning inspect technology, and improving inspecting sensitivity and precision

    在微波段電子順磁共振實驗中設計了三個實驗方案，主要包括應用計算機技術採集、處理信號，實現實驗檢測系統的自動化。應用相干檢測技術檢測信號，提高檢測靈敏度和精度。
  16. Normally, we search the frame synchronization through computing the peak of self - correlation. because of frequency offset, the peak of self - correlation maybe vanishes. first, this thesis presents a solution trough compute the peak of auto - correlation basing on the standard 802

    針對傳統相關檢測對載波頻偏偏差敏感的問題，根據802 . 11a傳輸的幀結構特點，這兒提出了共軛互相關檢測的幀同步演算法，從而消除載波頻偏對幀同步相關檢測的影響。
  17. There are several methods that are usually applied in engineering practice to examine structure stress : resistance variation method, barkhousen noise method, x radial method and ultrasonic method, etc. with comparasion to others, the ultrasonic method is acknowledged to be one of the most promising non - damaging inspection method in structural stress measurement filed for its fine sensitivity, veracity and good operation features

    工程實踐中常用於應力檢測的方法有電阻應變法、巴克豪森法、 x射線法和超聲波法等。同其它檢測方法相比，超聲波應力檢測法具有靈敏度高、準確性好及可操作性強等優點，從而成為一種公認為最有前途的無損檢測方法。
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