periodogram analysis
英
美
网络 周期图分析; 周期循环分析
双语例句
- In this paper, seismic period sequence of northeast china is dealt with by the periodogram, maximun entropy analysis and Fisher.
利用周期图，最大熵谱分析及最优分割方法，对东北地区地震活动的时间序列进行了分析处理。 - The results show that Q derived from measurement of half-power width generally differs from the intrinsic Qr. In periodogram analysis the information of QT is usually submerged in the effects of finite data window.
结果表明由谱峰半功率点宽度测定的Q值一般与本征Qr值不同，周期图分析中，Qr的讯息往往淹没在有限资料窗效应内。 - In chapter four, selects periodogram realizes the power spectrum analysis, take advantage of Radix-4 algorithm to calculate FFT, and describes the realization in MCU.
第四章选择周期图法实现功率谱分析，采用优化了的基4算法实现快速傅里叶变换，并阐述了在单片机上的实现。 - In this paper the midium and short periodic fluctuations of meteorological components related to crop yield in China are discussed by means of spectrum analysis, periodogram and variance analysis.
本文应用功率谱、周期图和方差分析等方法探讨了全国及部分代表省（区）粮食单产中气象分量的中短周期波动。 - The maximum entropy analysis and the periodogram analysis are made for the temporal variations of the A ( b) indexes.
求出本世纪各年Ⅰ，Ⅱ，Ⅲ三带的地震活动性指数A（b），并对A（b）指数随时间的变化作了最大熵谱分析和周期图分析。 - This paper investigates the possibility of determining Q by periodogram and AR spectral analysis with the aid of synthetic series. It also tests the function of estimating eigenfrequency and Q by AR spectral analysis with complex coefficients.
本文用合成序列考察了周期图和AR谱分析估计Chandler摆动Q值的可行性，同时试验了复系数AR谱检测本征频率及估计Q值的能力。 - In this paper, an improved periodogram analysis proposed by Welch is used to estimate power spectrum of ship's magnetic signals, and some normalized characteristic curves are given.
本文采用修正的周期图法（Welch法）对舰船磁场信号进行了功率谱估计并给出归一化曲线。 - Many techniques have been proposed for statistically analyzing fMRI data, like statistical parametric mapping, periodogram, multi-taper spectrum estimation, independent component analysis, correlated coefficients methods, and so on.
目前已经有多种用来对功能磁共振成像数据进行统计分析的方法，如统计参数映射（SPM）、周期图法、多窗口谱估计法、独立成分分析（ICA）、相关系数法等等。