In the proposed algorithm by means of singular value decomposition (SVD) of a new augmented matrix and by use of a simple and practical method to deter.

Propagation properties of high-order Bessel-Gaussian beam through a misaligned first-order ABCD system have been studied by using the generalized Huygens-Fresnel diffraction integral and augmented matrix.

This paper introduces an improving method of the augmented matrix and the principal propram flow chart.

Azimuth/elevation angle estimation based on MEMP method;

For the digital simulation of a class of nonlinear continuous control system includ-ing a typicaI nonlinear block，based on the generalized augmented matrix algorithm，a newsimulation method has been proposed by establishing equivalent linear models of the simula-ed system sectionally.

Using polynomial interpolating function to approximate the, system input and introducing the result obtained with augmented matrix algorithm, a fast simulation algorithm based on discrete analog method is presented in this paper.

For the simulation of linear time-invariant system, the augmented matrix algorithm is of high accu-racy and speed.

Having found all square roots of an identity matrix.