risk456_3

vit程序清晰简单，容易阅读，matlab调用易实现(vit procedures clear and straightforward, easy to read, matlab call easy to realize)

Current mode signal processing

短时相关器，利用噪声和信号相关性的不同，来检测瞬态信号。(Short-time correlator, the use of noise and signal correlation of different, to detect transient signals.)

calculate the coefficients of the Newton form of the interpolating polynomial using divided differences

This is the presentation explaining implementation of DES algorithm.

说明：  递推的极大似然法辨识程序 用递推的极大似然法对系统辨识的参数集 (recurrence of maximum likelihood method recursive identification procedures used by maximum likelihood method of system identification parameter sets)

采用M2M4信噪比估计算法对QPSK调制解调器的接收端信噪比进行了估计(M2M4 SNR estimation algorithm on the the QPSK modem receiving end signal-to-noise ratio estimated)

一种非常实用的识别数字的matlab程序，内有使用说明(the code can be used to recognition numbers)

飞机自然特性分析。 给定一个飞机纵向与横侧向运动状态空间方程，分别在时域、幅频域、复域分析飞机的纵向和横侧向自然特性(Given the natural characteristics of the aircraft an aircraft longitudinal and lateral motion state space equation, respectively, in test domain, amplitude and frequency domain, complex domain of the aircraft longitudinal and lateral natural features)

隐马尔科夫模型相关算法，包括前向算法、后向算法，维特比算法等(Hidden markov model algorithm, including the forward algorithm and backward algorithm and viterbi algorithm, etc)