time quadrature 中文意思是什麼

time quadrature 解釋
90°時間相移
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • quadrature : n. 1. 【數學】求積分，求面積。2. 【天文學】矩；（月的）上[下]弦；方照。3. 【物理學】正交；轉象差；九十度相位差。
  1. Changing temperature velocity in inner barrel is not a stable constant, and it will vary with advancement of measuring from time to time, thus cooling emendation quadrature model is established to compensate temperature dissipation

    提出以內外桶溫差導致的量熱系統溫度變化的速度對主期測量時間進行積分的冷卻校正計算模型。
  2. The paper also studies fast arithmetic and programming of discrete time quadrature wt and wpt and takes a deep look into their additional applications in motor testing, including denoising, filtering and so on. starting from basic theory of time - frequency analysis and wavelet analysis of asymptotic signals, this paper investigates several if law extraction methods and presents an especially effective one using wavelet ridge

    論文從時頻分析的基本理論出發，在漸進信號小波分析的基礎上，研究了漸進信號小波變換的漸進估計方法，提出了利用小波脊線來提取信號頻率隨時間連續變化規律（即瞬時頻率）的方法。
  3. By adopting qam ( quadrature amplitude modulation ) modulation, we have researched and implemented a high - speed data broadcasting system compatible with dvb ( digital video broadcasting ) standard in the past years, and integrated and applicated the system into sdh / hfc ( synchronous digital hierarchy / hybrid fiber coax ) network for the first time in china

    經過多年的研究，開發出了符合dvb標準、採用qam調制方式的陽光網高速數據廣播系統，同時在國內首次實現了基於sdh hfc網路的高速數據廣播系統集成應用。
  4. A real time method for the calibration of the quadrature demodulation error of the rcs measurement radar receiver is proposed

    摘要針對脈間變頻rcs測量雷達採用模擬正交解調方法獲得同相分量和正交分量所引入的解調誤差，提出了一種實時校準方法。
  5. In addition, according to the characteristics of wavelet packet transform and that of conjugate quadrature filter bank, we bring forward the ameliorated arithmetic of wavelet packet. the amplitude of time - varying harmonics can be measured accurately through the ameliorated arithmetic

    另外我們結合小波包分解和正交鏡像對稱濾波器的特點，提出了小波包的改進演算法，利用該演算法可對時變諧波信號的幅值進行比較精確的分析。
  6. Through the analysis of advantages of several gmsk arithmetic and requirement of system processing, the base - band time lag demodulating algorithm based on quadrature demodulation and tms320vc5402 are selected for base - band processing

    通過分析gmsk幾種演算法的優越性以及系統對處理的需求，選擇基於正交解調的基帶時延檢波演算法以及tms320vc5402進行基帶處理。
  7. Then this quadrature is used to classifying the blocks in the encoding phase, resulting in a great reduction to number of domain blocks to search for, hence shortening the encoding time dramatically

    在分形編碼時，用該不變量來對圖像塊進行分類，極大地減少了編碼時定義域塊的搜索數目，達到了加速編碼的目的。
  8. Abstract : the paper mainly introduces how to optimize the existed filtration method with statistics normal distribution and quadrature optimization, which make the optimized filtration method economic 、 time saving and effective

    摘要：主要介紹了如何利用正態分佈和正態優化對現有的篩選方法進行優化，從而使優化后的篩選方法在達到預期篩選目的的情況下做到最經濟，省時和有效。
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