pijian

Extended kalman filter

信噪比，计算公式是信号能量比上噪声能量，有助于分析信号成分的(Signal-to-noise ratio, and the calculation is signal energy on energy than noise, help analysis of signal components )

使用快速FFT求序列平均周期.输入时间序列，返回快速傅里叶变换FFT计算出的序列平均周期。求混沌序列最大Lyapunov指数时，要求序列平均周期。(Fast FFT request sequence the average cycle)

说明：  合成孔径雷达(SAR)的三个点目标仿真-RD算法(RD algorithm)

Lanczos algorithm for tridiagunalization of a matrix.

利用authorware制作的丽江旅游介绍，利用authorware的四种交互，对于初学者是一个较好的实用例子。(produced using authorware tourism on Lijiang, using authorware four interactive, for beginners is a good practical example.)

Estimates the power spectral densities (PSDs) using the ML-based empirical Bayes method for deciding the diagonal loading.

宽带信号方位估计的克拉美罗界，研究CRB与SNR及方位角的关系。(Wideband signal DOA estimation Cramer Rao Bound, Relationship CRB and SNR and azimuth.)

压缩感知中有名的SLEP算法，用来对数据进行稀疏表达的。(SLEP in the compressed sensing algorithm is known, for the expression of the data sparse.)

分别用改进的Euler方法和四阶Runge-Kutta方法求解。 (Were improved Euler method and fourth-order Runge-Kutta method.)