minus1topower

说明：  this application is based on optical character recognition

BPSK信号的仿真，解调，仿真结果误码率计算(BPSK signal simulation, demodulation, bit error rate simulation results)

说明：  MATLAB和QuartusⅡ的FIR滤波器设计与仿真(MATLAB and the Quartus Ⅱ FIR filter design and simulation of)

在MATLAB开发平台上，在做图像的处理进行分割时，可采用迭代法求阈值进行分割。(In the MATLAB development platform to do image processing in the segmentation, the iterative method can be used to segment the threshold requirements.)

维纳滤波语音增强算法:语音增强算法的维纳滤波器，通过scalart 1996提出的实现。使用一个决策指导的方法跟踪的先验信噪比。请注意，该信号的第一0.25sec用于模型的噪声，即，它是假定的演讲之后，0.25sec开始(Wiener Filter for Noisy Speech Enhancement, implemented as proposed by Scalart 1996. Uses a decision directed method to track the a priori SNR. Note that the first 0.25sec of the signal is used to model the noise, that is, it is assumed that speech starts after that 0.25sec)

***************CPM modulation***************** 关联长度为L=3 连续相位调制 by yyf 2010.11.12 ***************CPM modulation*****************( ***************CPM modulation***************** 关联长度为L=3 连续相位调制 by yyf 2010.11.12 ***************CPM modulation*****************)

这是机械工业张德丰《MATLAB与外部程序接口编程》随书源码，这本书详细介绍了MATLAB与C、C++、Excel、VB、Delphi、FORTRAN相互调用的方法，使得我们可以综合利用传统编程语言执行效率高和MATLAB函数库功能强大的优势，本书对于MEX和MAT文件、MATLAB引擎、MATLAB C/C++函数库、Matcom等都作了详细的介绍并举例说明，书籍最后还介绍了MATLAB的串口接口。(This is the machine-building industry张德丰" MATLAB and external program interface programming" with the source book, this book details MATLAB with C, C++, Excel, VB, Delphi, FORTRAN calls each method, allows us to provision of comprehensive utilization of traditional efficient way to implement the language and MATLAB function library powerful advantages, this book MEX and MAT files for, MATLAB engine, MATLAB C/C++ function library, Matcom have made a detailed introduction and examples, the book also introduced the final MATLAB serial interface.)

In this work, the Mel frequency Cepstrum Coefficient (MFCC) feature has been used for designing a text dependent speaker identification system. The extracted speech features (MFCC’s) of a speaker are quantized to a number of centroids using vector quantization algorithm. These centroids constitute the codebook of that speaker. MFCC’s are calculated in training phase and again in testing phase. Speakers uttered same words once in a training session and once in a testing session later. The Euclidean distance between the MFCC’s of each speaker in training phase to the centroids of individual speaker in testing phase is measured and the speaker is identified according to the minimum Euclidean distance. The code is developed in the MATLAB environment and performs the identification satisfactorily.

很快的求出各点对之间的最短距离，并且记录路径。(Quickly find out the point to the shortest distance between, and record path.)

意信号卷积的运算,并且绘制图象，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。( Convolution operation is intended to signal and image rendering, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, ofdm system simulation including 16qam modulation fft windowing modules plus cp.)