SPEC

+1A 是!" 世纪$" 年代中期发展起来的用于模拟流动现象的计算方法( 它从分子运动论统计力学的观 点和理论出发，以微观的粒子尺度为基础，建立离散的速度模型，在满足质量、动量和能量守恒的条件下，得 出粒子分布函数，然后对粒子分布函数进行统计计算，得到压力、流速等宏观变量( 其主要思想就是以简单规 则的微观粒子运动代替复杂多变的宏观现象，用迁移和碰撞两个相对简单的过程再现流体的宏观特性。(Lattice boltzmann studies of fluid flow)

Signal Processing Toolbox for Use with MATLAB - User s Guide(Signal Processing Toolbox for Use with MATLAB- User s Guide)

此代码是利用 MATLAB 工具设计的一个指纹数字图像识别系统的关键代码(fingerprint identification)

QPSK BER SER AWGN 正交相移键控的基带数字通信系统(QPSK BER SER AWGN )

MIMO通信系统预编码技术中两种MMSE（TPMMSE，JMMSE）准则下的误码率性能的仿真(Two MMSE precoding techniques in MIMO communication system (TPMMSE JMMSE) of bit error rate performance under the guidelines of the simulation )

本程序是用粒子群算法优化神经网络算法的MATLAB源程序(This MATLAB procedure is to use particle swarm algorithm to optimize neural network algorithm )

Carrier-phase synchronization can be approached in a general manner by estimating the multiplicative distortion (MD) to which a baseband received signal in an RF or coherent optical transmission system is subjected. This paper presents a unified modeling and estimation of the MD in finite-alphabet digital communication systems. A simple form of MD is the camer phase exp GO) which has to be estimated and compensated for in a coherent receiver. A more general case with fading must, however, allow for amplitude as well as phase variations of the MD. We assume a state-variable model for the MD and generally obtain a nonlinear estimation problem with additional randomly-varying system parameters such as received signal power, frequency offset, and Doppler spread. An extended Kalman filter is then applied as a near-optimal solution to the adaptive MD and channel parameter estimation problem. Examples are given to show the use and some advantages of this scheme.

This file includes the source code of the Uncoded OFDM 16QAM with AWGN channel..

基于最大相关熵准则的时延估计 对称稳定分布噪声环境 时延估计(Time delay estimation based on maximal entropy criterion Symmetric stable distribution noise environment Time delay estimation)

MATLAB的程序最大熵谱法,Brug法和Levinson法MATLAB procedures maximum entropy spectrum, Brug law and the law Levinson(MATLAB procedure for maximum entropy spectral method, Brug law and Levinson Law MATLAB procedures maximum entropy spectrum, Brug law and the law Levinson)