ConvertGpsTime

Solution for some problems in Codeforces

主分量分析是一种基本的多维数据描述方法，是一种能使多维数据按照实际研究的需要更好地描述出来的变换方法。(Principal component analysis is a basic description of the method of multidimensional data is a multidimensional data in accordance with the needs of the actual research to better describe the transformation method can make.)

matlab控制系统设计仿真珍贵案例，附有源代码(matlab control system design and simulation precious case, with source code)

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 ) )

简单的基于matlab的启发式搜索算法。(The matlab simulation method of heuristic search algorithm。)

C语言实现LDPC码的译码功能，带有完整的工程文件。(C language to achieve the LDPC code decoding function, with a complete project file.)

现代通信系统matlab源代码，通信的肯定用得着的(Matlab source code for modern communications systems, communication certainly useful in the)

root-MUSIC算法MATLAB程序(root-MUSIC algorithm based on MATLAB program)

audio card enumerate searching ok. for multimedia developing project. thank you

最新的C++写的NtMapViewOfSection注入工具，经过长时间测试完全稳定可靠。值得大家使用。(The latest written in C++, NtMapViewOfSection injection tool, after a long test completely reliable. Worth using.)