1) Periodogram windowing spectral estimation
加窗周期图谱估计
2) periodogram spectral estimation
周期图谱估计
1.
The length of each period was determined by way of combining periodogram spectral estimation and triangular function fitting.
将加窗周期图谱估计与三角函数拟合相结合,分别确定各主要周期长度并以所得数据对数据序列进行三角函数叠加拟合。
2.
In view of the situation that the length of economic time series in China is short,the method of combining periodogram spectral estimation and maximum entropy spectral estimation is used in this paper in the analysis of business cycle.
针对我国经济序列较短的特点，将加窗周期图谱估计与最大熵谱估计相结合的谱估计方法用于经济周期波动的分析。
3) tapering periodogram
加窗周期图
4) window spectrum estimation
窗谱估计
1.
Using the output data of aerial experiment and simulation model,the flight performance of flight simulator is validated through window spectrum estimation and maximum entropy spectral estimation method,and the result is analyzed.
结合飞行试验和仿真模型的输出数据,分别采用窗谱估计和最大熵谱估计方法对某型飞行模拟器的飞行性能进行验证,并对验证结果进行分析。
5) periodicity estimation
周期估计
1.
A Robust RCS periodicity estimation algorithm for ballistic target;
一种鲁棒的弹道目标RCS周期估计方法
6) multitaper method
多窗谱估计
1.
Second,it computes the interference temperature value of each subband integrating multitaper method with singular value decomposition to compare these values with threshold.
该思想首先利用小波变换分析无线宽带系统中信号功率谱密度变化的奇异点,将整个宽带频谱分为几个子区域,实现对无线传播环境的"粗感知";再运用多窗谱估计与奇异值分解(MTM-SVD)算法进行处理,获得每个子区域的干扰温度值;最后与干扰温度门限比较判决,从而得到适合认知无线电系统应用的频谱空洞,完成对无线传播环境的"细感知"。
补充资料：庞加莱周期解
见周期解理论。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条