pwm

说明：  用matlab自带的GUI界面设计了一个成绩管理界面，可进行成绩的载入、查询、绘图、求平均分和存储！可直接用！ (Matlab GUI interface that comes with the design of a performance management interface, the results of the load, query, plot, find the average and store! Can be used directly!)

The Matlab Toolbox for Pattern Recognition

说明：  matlab编写，文件1将十进制数据转换成二进制数据的小程序；文件2将matlab的mat数据转成适用FPGA的mif格式(matlab write, file a decimal data into binary data of small programs file 2 to the mat matlab data into the FPGA-mif format for)

程序给出了三种窗函数的短时傅里叶计算方法，已经尝试过，程序是可以运行的。(Program gives three short-time Fourier window function calculation methods have been tried, the program is run.)

输入为一个序列或两个序列，输出为其自相关序列或互相关序列(Input as a sequence or two sequences, the output of its autocorrelation sequence or cross-correlation sequence)

DFT进行频谱分析时的三种现象 1、混叠：对连续信号采样，要求连续信号是带限的，采样频率要足够高。Fs应满足Nyquist采样定理才不产生混叠。 采样前加低通滤波器防混叠 2、频谱泄漏：DFT对时域信号进行了截断（相当于采样信号乘了一个窗函数），时域的乘积相当于频域卷积，改变了原信号频谱。 改用其他窗函数（非矩形）改善泄漏。 3、栅栏现象：DFT 只给出了频谱在采样点上的取值，采样点间的频谱内容丢失。(DFT spectrum analysis of a three phenomena, aliasing : continuous signal sampling, requiring continuous signal is band-limited, the sampling frequency should be high enough. Fs meet the Nyquist Sampling Theorem would not have aliasing. Sampling former low-pass filter plus anti-aliasing 2, spectrum leakage : DFT right time domain signal a disconnect (equivalent to a sampling signal by a window function). time domain is equivalent to the product of frequency-domain convolution, changes in the spectrum of the original signal. Window functions to switch to other (non-rectangular) to improve leakage. 3, fenced phenomenon : DFT spectrum is given only at the sampling point value, sampling points of the spectrum as lost.)

General Embedded Quantization for Wavelet-Based Lossy Image Coding

Band Pass Filter matlab command

使用MATLAB软件实现基于模拟退火算法的实例，对于模拟退火算法的理解，模拟退火工具箱的应用有帮助 (Using the MATLAB software examples based on simulated annealing algorithm, simulated annealing algorithm for the understanding of application of simulated annealing of the toolbox help)

this is matlab code for bic (bayesian information criterion)