• 基于密集頻譜校正的電流信號高準確度分離技術
    中國測試雷小亞1,2, 李貴子1,2, 朱 琳1,2, 王 季1,2
    摘  要:為實現具有密集頻譜的頻譜校正分離,通過研究基于復調制移頻和低通濾波器的傳統Zoom-FFT方法和頻譜校正方法,提出一種電流信號高準確度分離方法。該方法采用基于復解析帶通濾波器和復調制移頻的頻譜細化方法和比值校正法對電流信號進行頻譜細化校正,實現電流信號的高準確度分離。研究結果表明,該文采用的頻譜細化校正方法運算量小,計算速度快、準確度高,能夠實現電流信號的高準確度分離。
    關鍵詞:電流信號;密集頻譜;頻率細化;頻譜校正
    文獻標志碼:A     文章編號:1674-5124(2015)12-0111-04
    High-precision separation technology of current signal based on
    intensive spectrum correction
    LEI Xiaoya1,2, LI Guizi1,2, ZHU Lin1,2, WANG Ji1,2
    (1. Key Laboratory of Mechanical Product Testing and Technical evaluation,Lanzhou 730030,China;
    2. Gansu Academy of Mechanical Sciences,Lanzhou 730030,China)
    Abstract: To achieve the correction and separation of the spectrum that has dense spectrum, the spectrum correction, a high-precision separation method of the current signal has been proposed through studying the methods of traditional Zoom-FFT based on the multiple modulation frequency-shifting and low-pass filter. Methods of spectrum zoom based on the multiple analytical band-pass filter and multiple modulation frequency-shifting and the ratio correction have been used to realize the refinement and correction of the current signal. Finally, high-precision separation of current signal has been achieved. The results have shown that the methods of spectrum zoom and spectrum correction that this paper has used have less computing amount, the quick computing speed and high accuracy, and the high-precision separation of current signal can be achieved.
    Keywords: current signals; intensive spectrum; spectrum zoom; spectrum correction
     
     
    網站首頁  |  關于我們  |  聯系我們  |  廣告服務  |  版權隱私  |  友情鏈接  |  站點導航
     
    国产成人综合久久精品下载| 亚洲国产精品无码一线岛国| 久久精品国产亚洲AV网站| 精品国产高清自在线一区二区三区| 国产精品国产三级国产普通话| 成人综合婷婷国产精品久久蜜臀| 99精品在线免费观看| 国产成人精品久久综合| 精品无码久久久久久国产| 久久国产精品久久国产片| 国产激情精品一区二区三区| 亚洲精品无码专区| 99精品视频观看| 精品乱子伦一区二区三区| 国产精品秘入口18禁麻豆免会员| 99久热只有精品视频免费观看17| 一本色道久久综合亚洲精品高清 | 狠狠入ady亚洲精品| 2019国产精品青青草原| 伊人久久精品无码av一区| 亚洲AV无码成人精品区大在线| 宅男宅女精品国产av天堂| 久久久久久夜精品精品免费啦| 国产在线精品免费aaa片| 亚洲国产综合精品中文字幕 | 国产女主播精品大秀系列| 青青青青久久精品国产h久久精品五福影院1421 | heyzo加勒比高清国产精品| 香蕉久久精品国产| 久久久久久亚洲精品影院| 91精品国产免费| 亚洲精品高清久久| 精品一区二区三区中文字幕| 久久精品无码免费不卡| 国产高清在线精品一本大道| 日韩精品视频在线观看免费| 六月婷婷精品视频在线观看| 国产精品亚洲专区一区| 国产精品白浆在线播放| 国内久久精品视频| 国产精品免费看香蕉|