periodogram meaning in Chinese

Pronunciation:   "periodogram" in a sentence
  • 期法
  • 周期图
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  1. The variance problem can be reduced by smoothing the periodogram . various techniques to reduce spectral bias and variance are the subject of spectral estimation
  2. Various apsd estimate arithmetics including periodogram method , correlogram method , blackman - tukey method , barlett method , yule - walker method , lda , and dga were implemented on ccs ( code composer studio )
    谱估计算法分别采用了经典非参数方法中的周期图法、相关图法、 bt法、 bartlett法,和参数法中的yule - walker算法、 lda 、 dga 。
  3. Lastly , we change the unequal time distance wheel speed to equal time distance wheel speed . according to the model of torsional vibrations , we introduce the spectral estimation method to design tpms . when the tirepressure is leaking , the peakvalue of the periodogram of the wheel speed will move to the real axis
    4 .利用核函数,提出了基于epanechnikov核函数的插值方法将采得的不等间隔的轮速信号转换成等间隔的轮速信号。利用轮胎滚动方向的振动性质提出了谱估计法。
  4. In this paper , according to the periodically active characteristics shown in the historical earthquake data in this region since 1900 , we describe the rule of seismicity with sine function and furthermore make a preliminary forecast of the seismicity intensity and the developing trend in northeast china till the year of 2008 by using the periodogram of time sequence and other analytical methods
    摘要根据东北地区1900年以来的历史地震资料所显示的周期性活动特点,用正弦函数描述其地震活动规律,并结合时间序列的周期图及其他一些地震活动性分析方法,对该地区未来1 ~ 3年地震活动发展趋势和地震强度作了初步预测。
  5. Due to existing signal processing technology ’ s shortage such aslow measurement , narrow measurement range precision and other poor performance , we introduced a high - precise signal processing technology : firstly , to get power spectrum with hanning windowed welch modified periodogram , search its peak value frequency ; secondly , to apply zooming analysis via goertzel algorithm ; at last , to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology , we designed a signal processing scheme , and developed a signal processing system . the running result showed high performance , verified the feasibility and reliability of the highly precise signal processing technology introduced . in a word , the technology improved ldv ’ s performance such as measurement precision , measurement range , dynamic response time 。 and it will have a wide application foreground

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