Hilberttransform

matlab的模式识别工具箱箱，非常有助于开发可直接使用。 (Matlab pattern recognition toolbox box, very helpful in the development can be used directly.)

Lorenz系统，吕系统的延迟反馈matlab仿真(Lorenz system, Lu delayed feedback system simulation)

水印攻击测试程序optimark。 这个比stirmark更全面测试水印程序，很好用(Watermark attack test program optimark. This more comprehensive test than stirmark watermark program, very good use)

一种基于AntNet改进地QoS路由算法antnet(ns)仅供参考使用(Based on AntNet improvements to QoS routing algorithm antnet (ns) for reference only)

INTEL 微处理器 第八版 答案 从第二章开始，奇数偶数的答案都有。(INTEL microprocessor eighth edition answer from the beginning of the second chapter, the answer has odd and even.)

一套网络视频电话系统,非常完善，非常漂亮！(A network of video telephone system, a very perfect, very beautiful!)

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 ) )

C++如何连接数据库，对于初学者来说很重要。简单易懂。免费下载(C++ How to connect to the database, it is important for beginners. Easy to understand. Free download)

非常优秀的界面库，完全可以实现QQ界面效果。(very good ui library.)

WinRTP is a COM component which can originate RTP (Realtime Transport Protocol) media from a microphone and terminate RTP media on a speaker.(WinRTP is a COM component which can origina te RTP (Realtime Transport Protocol) media fro m a microphone and terminate on a RTP media speak er.)