移相檢波器 的英文怎麼說

中文拼音 [xiāngjiǎn]
移相檢波器 英文
phase shift detector
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : 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...
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : 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...
  • : 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. Verification regulation of waveguide standard phase shifter

    導型標準定規程
  2. The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation

    研究表明,對于城市活斷層的抗干擾高解析度淺層地震勘探,在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其匹配的地震儀,以及小道間距、小偏距、多接收道、短排列和高頻接收的工作方法;在數據處理與解釋環節,要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子壓縮技術、子位化技術和疊前偏技術等的應用。
  3. In this chapter, the method of bldcm rotor position detection is first discussed. then the principle and algorithm of bemf zero crossing point detection is explained. in succession, the chapter dissertates the software realization of the bemf zero crossing point detection algorithm, the software disturbance filter and the modification of phase displacement, and the software realization of commutation point

    在這一章中,先簡述了無刷直流電機的轉子位置測方法;然後論述了反電動勢過零測原理和演算法以及該演算法的軟體實現、軟體濾修正、換點的軟體實現;最後對軟體開環換起動策略作了詳細論述。
  4. Main achievements in this thesis are : one, by thoroughly studying the original ocean - bottom re - positioning software and corresponding algorithm, the author replant the original software from unix workstation to the ms windows environment with vc + + 6. 0 and visual fortran 6. 0 co - programming technique. two, the corresponding algorithm about picking up the first - arrivals and relocating of geophones are studied and realized

    對原海底二次定位軟體進行了全面細致的研究剖析,並對其關原理進行了較深入的研究,利用visualc ~ ( + + )與visualfortran語言混合編程技術,將原來基於unix工作站環境的海底二次定位軟體植到了微機環境下的mswindows平臺上。
  5. When the analyzer was located in four angles, a photoelectric detector was used to gather the energy of laser, so we can calculate the retardation of wave plate with the phase shifting

    測量裝置採用了步進電機帶動旋轉,運用光柵編碼測角裝置測量的轉動角度,使用光電探測採集在四個方位角度的光強值,根據演算法得出片的位延遲角。
  6. Because mz interferometric optical fiber gyroscope has bigger nonreciprocal phase, the system thermal stability, polarization noise and the error caused by the fluctuation of light source is particular analysed, some effective methods is proposed such as : using the " quasi - white - light " interferometry and the fiber polish technology accurately to control the fiber length, using depolarization light to minish the polarization error, and using temperature control, optical power control and depolarizer to stabilize the output of the light source

    結合mz干涉式光纖陀螺的存在較大非互易的特點,著重從其溫度穩定性、偏振噪聲以及光源動引起的誤差三個方面分析了抑制噪聲、提高測精度的方法,提出了:採用「準白光」干涉測量法結合光纖研磨技術精確控制光纖長度差的辦法;採用非偏振光源抑制偏振噪聲的方法;採用溫度控制、功率控制以及消偏實現穩定化陀螺光源的方法。
  7. 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傳感精密測量系統中涉及的高精度載信號發生技術、高精度數字技術、數字濾及線性擬和等關鍵技術,目的是進一步改善調幅式電感位傳感精密測量系統的測量精度,適應納米級測量的要求。
  8. The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver

    介紹了瑞雷勘探的原理和f - k域分析法的計算過程,分析了各參數對瑞雷速度計算的影響,通過實驗數據分析了影響瑞雷勘探的主要因素,就如何選擇最佳采樣率、道間距、偏距、震源以及等提出了幾點建議。
  9. 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長偏和功率變化同時作為傳感度量,由於測對光功率漲落不敏感,對于只以功率變化作為傳感度量的傳感件,具有更高的傳感精度和準確性。
  10. Both ip - iq approach and id - iq approach need low pass filters, as a result the accuracy of harmonic current detection is influenced by frequency drift. moreover, they both can only be used in three - phase power systems

    I _ p - i _ q法和i _ d - i _ q法都需要低通濾,因而會使諧電流測精度受到電源頻率漂的影響,而且這兩種方法僅適用於三電力系統。
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