ua4_1

一、直接数据通道传送 二、常用DMAC芯片— Intel 8237 三、IBM PC/XT中的 DMA 控制逻辑 四、应用举例 (A direct transfer two data channels, often DMAC chip- Intel 8237 3, IBM PC/XT in the DMA control logic 4, Application Examples)

本程序是一个用短时傅立叶变换实现的心音时间、频率分析(This program is a short-time Fourier transform implemented with the heart sound time frequency analysis)

说明：  常用的matlab算法源码，包括统计分析、图形图像等(some matlab source code programs about statastic analysis and figure processing.)

使用MATLAB软件工具来解决他和著名的TSP(Using MATLAB software tools to solve the TSP famous)

说明：  该代码是一个基于MATLAB语言编辑的四面体有限元长应变四面体算法，包含一个例子很实用，性能稳定。感谢大家的分享。(This code is a kind of constrain Tetrahedral fem compution on MATLAB。there are total code and an example in cube。It is very practical and stable。thank you for your exchanging。 )

求最短路径，用matlab编写的贪婪算法。(greedy algorithm)

QPSK调制解调技术在瑞利信道中的研究分析。(QPSK modulation and demodulation in Rayleigh Channel analysis.)

多天线中的实现迫零检测算法和mmse算法的blast检测算法(Realize multi-antenna in the Zero-Forcing and MMSE detection algorithm algorithm blast detection algorithm)

同步发电机短路分析,可以在示波器中看到结果(Synchronous generator short-circuit analysis。Can see the result on the oscilloscope)

说明：  此程序描述基于最大似然准则的频率估计。该算法可以估计短突发信号的载波频偏，这种算法估计的精确度高。(This procedure describes the frequency estimation based on the maximum likelihood criterion. This algorithm can estimate the carrier frequency offset of the short burst signal, and the accuracy of this algorithm is high.)