swsa

Vector Templates for Handprinted Symbol Recognition

精度颇高的转子临界转速及不平和响应算法，主要采用了传递矩阵法(High precision of the rotor critical speed and the uneven and response algorithms, mainly in the transfer matrix method)

该程序为一个基于支持相量机的图形图形处理的matlab 演示程序(the procedures for an equivalent amount based on support for the graphic graphics processing the Matlab demo program)

m序列应用于跳频通信系统，给出了跳频序列的生成函数，并给出高斯白噪声下和多用户干扰下的误码率曲线。(m sequence used in frequency hopping communications systems, frequency hopping sequences give the generating function, and give under the white Gaussian noise and multi-user interference of the bit error rate curve.)

此算法先把伤病人员进行特殊对待，在计算出其他人的入院日期，表二的出院日期为 统计的期望值 运用是要改变 数据的初值 和u值（数据录入个数）；(This algorithm first special treat the sick and wounded, in the calculation of other people' s admission date, discharge date in Table II used for the statistical expectation is to change the initial data and u values ​ ​ (the number of data entry) )

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Matlab的简单实用方法，能让初学者很快的了解Matlab、实用Matlab(Matlab s simple and practical method that allows beginners to quickly learn Matlab, Matlab practical)

已知语音文件求出其LPC系数后，调用a_lsf_conversion.m函数求其对应的LSF(Known find their voice files LPC coefficients, call a_lsf_conversion.m corresponding LSF function evaluation)

说明：  提供NMF程序，非负矩阵分解 用于人脸图像的表示(lnmf and nmf)

例4：在sinc(t)信号中叠加噪声，分析对应频谱 fs=100 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=2 时间窗大小 ( x=x+0.1*randn(1,N) x=awgn(x,-10, measured ) figure plot(t,x) title( 时域信号图 ) xlabel( t /s ) y=fft(x,N) figure if mod(N,2)~=0 N=N-1 end f=linspace(0,fs/2,N/2) plot(f,abs(y(1:N/2))*2/N) title( 叠加噪声的sinc(t)信号频谱 ) xlabel( f /Hz ) figure y0=y(1:N/2) P=y0.*conj(y0)/N P=10*log10(P) plot(f,P) title( 功率谱 ) xlabel( f /Hz ) )